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review.shift-gmbh.com / SHIFTPHONES / kernel / common / 32436aaa226fb13ab2e63372c4453377c2a658fc / . / drivers / scsi / qla4xxx / ql4_os.c
blob: e6fa19cc0d3280335991c18784b8e34e52e8dd3f [file] [log] [blame]
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]1/*
2 * QLogic iSCSI HBA Driver
Vikas Chaudhary4a4f51e2013-08-16 07:03:04 -0400[diff] [blame]3 * Copyright (c) 2003-2013 QLogic Corporation
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]4 *
5 * See LICENSE.qla4xxx for copyright and licensing details.
6 */
7#include <linux/moduleparam.h>
Tejun Heo5a0e3ad2010-03-24 17:04:11 +0900[diff] [blame]8#include <linux/slab.h>
Manish Rangankar2a991c22011-07-25 13:48:55 -0500[diff] [blame]9#include <linux/blkdev.h>
10#include <linux/iscsi_boot_sysfs.h>
Mike Christie13483732011-12-01 21:38:41 -0600[diff] [blame]11#include <linux/inet.h>
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]12
13#include <scsi/scsi_tcq.h>
14#include <scsi/scsicam.h>
15
16#include "ql4_def.h"
David C Somayajulubee4fe82007-05-23 18:03:32 -0700[diff] [blame]17#include "ql4_version.h"
18#include "ql4_glbl.h"
19#include "ql4_dbg.h"
20#include "ql4_inline.h"
Vikas Chaudhary6e7b4292012-08-22 07:55:08 -0400[diff] [blame]21#include "ql4_83xx.h"
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]22
23/*
24 * Driver version
25 */
Adrian Bunk47975472007-04-26 00:35:16 -0700[diff] [blame]26static char qla4xxx_version_str[40];
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]27
28/*
29 * SRB allocation cache
30 */
Christoph Lametere18b8902006-12-06 20:33:20 -0800[diff] [blame]31static struct kmem_cache *srb_cachep;
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]32
33/*
34 * Module parameter information and variables
35 */
Vikas Chaudharya7380a62012-02-27 03:08:56 -0800[diff] [blame]36static int ql4xdisablesysfsboot = 1;
Mike Christie13483732011-12-01 21:38:41 -0600[diff] [blame]37module_param(ql4xdisablesysfsboot, int, S_IRUGO | S_IWUSR);
38MODULE_PARM_DESC(ql4xdisablesysfsboot,
Karen Higginsa4e8a712012-01-11 02:44:20 -0800[diff] [blame]39 " Set to disable exporting boot targets to sysfs.\n"
40 "\t\t 0 - Export boot targets\n"
41 "\t\t 1 - Do not export boot targets (Default)");
Mike Christie13483732011-12-01 21:38:41 -0600[diff] [blame]42
Vikas Chaudhary3573bfb2012-02-27 03:08:57 -0800[diff] [blame]43int ql4xdontresethba;
Vikas Chaudharyf4f5df232010-07-28 15:53:44 +0530[diff] [blame]44module_param(ql4xdontresethba, int, S_IRUGO | S_IWUSR);
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]45MODULE_PARM_DESC(ql4xdontresethba,
Karen Higginsa4e8a712012-01-11 02:44:20 -0800[diff] [blame]46 " Don't reset the HBA for driver recovery.\n"
47 "\t\t 0 - It will reset HBA (Default)\n"
48 "\t\t 1 - It will NOT reset HBA");
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]49
Karen Higginsa4e8a712012-01-11 02:44:20 -0800[diff] [blame]50int ql4xextended_error_logging;
Vikas Chaudharyf4f5df232010-07-28 15:53:44 +0530[diff] [blame]51module_param(ql4xextended_error_logging, int, S_IRUGO | S_IWUSR);
Andrew Vasquez11010fe2006-10-06 09:54:59 -0700[diff] [blame]52MODULE_PARM_DESC(ql4xextended_error_logging,
Karen Higginsa4e8a712012-01-11 02:44:20 -0800[diff] [blame]53 " Option to enable extended error logging.\n"
54 "\t\t 0 - no logging (Default)\n"
55 "\t\t 2 - debug logging");
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]56
Vikas Chaudharyf4f5df232010-07-28 15:53:44 +0530[diff] [blame]57int ql4xenablemsix = 1;
58module_param(ql4xenablemsix, int, S_IRUGO|S_IWUSR);
59MODULE_PARM_DESC(ql4xenablemsix,
Karen Higginsa4e8a712012-01-11 02:44:20 -0800[diff] [blame]60 " Set to enable MSI or MSI-X interrupt mechanism.\n"
61 "\t\t 0 = enable INTx interrupt mechanism.\n"
62 "\t\t 1 = enable MSI-X interrupt mechanism (Default).\n"
63 "\t\t 2 = enable MSI interrupt mechanism.");
David C Somayajulu477ffb92007-01-22 12:26:11 -0800[diff] [blame]64
Mike Christied510d962008-07-11 19:50:33 -0500[diff] [blame]65#define QL4_DEF_QDEPTH 32
Vikas Chaudhary8bb40332011-03-21 03:34:31 -0700[diff] [blame]66static int ql4xmaxqdepth = QL4_DEF_QDEPTH;
67module_param(ql4xmaxqdepth, int, S_IRUGO | S_IWUSR);
68MODULE_PARM_DESC(ql4xmaxqdepth,
Karen Higginsa4e8a712012-01-11 02:44:20 -0800[diff] [blame]69 " Maximum queue depth to report for target devices.\n"
70 "\t\t Default: 32.");
Mike Christied510d962008-07-11 19:50:33 -0500[diff] [blame]71
Tej Parkashf7b4aa62012-04-30 04:12:19 -0700[diff] [blame]72static int ql4xqfulltracking = 1;
73module_param(ql4xqfulltracking, int, S_IRUGO | S_IWUSR);
74MODULE_PARM_DESC(ql4xqfulltracking,
75 " Enable or disable dynamic tracking and adjustment of\n"
76 "\t\t scsi device queue depth.\n"
77 "\t\t 0 - Disable.\n"
78 "\t\t 1 - Enable. (Default)");
79
Vikas Chaudhary30387272011-03-21 03:34:32 -0700[diff] [blame]80static int ql4xsess_recovery_tmo = QL4_SESS_RECOVERY_TMO;
81module_param(ql4xsess_recovery_tmo, int, S_IRUGO);
82MODULE_PARM_DESC(ql4xsess_recovery_tmo,
Vikas Chaudhary3573bfb2012-02-27 03:08:57 -0800[diff] [blame]83 " Target Session Recovery Timeout.\n"
Karen Higginsa4e8a712012-01-11 02:44:20 -0800[diff] [blame]84 "\t\t Default: 120 sec.");
Vikas Chaudhary30387272011-03-21 03:34:32 -0700[diff] [blame]85
Tej Parkash068237c82012-05-18 04:41:44 -0400[diff] [blame]86int ql4xmdcapmask = 0x1F;
87module_param(ql4xmdcapmask, int, S_IRUGO);
88MODULE_PARM_DESC(ql4xmdcapmask,
89 " Set the Minidump driver capture mask level.\n"
90 "\t\t Default is 0x1F.\n"
91 "\t\t Can be set to 0x3, 0x7, 0xF, 0x1F, 0x3F, 0x7F");
92
93int ql4xenablemd = 1;
94module_param(ql4xenablemd, int, S_IRUGO | S_IWUSR);
95MODULE_PARM_DESC(ql4xenablemd,
96 " Set to enable minidump.\n"
97 "\t\t 0 - disable minidump\n"
98 "\t\t 1 - enable minidump (Default)");
99
Manish Rangankarb3a271a2011-07-25 13:48:53 -0500[diff] [blame]100static int qla4xxx_wait_for_hba_online(struct scsi_qla_host *ha);
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]101/*
102 * SCSI host template entry points
103 */
Adrian Bunk47975472007-04-26 00:35:16 -0700[diff] [blame]104static void qla4xxx_config_dma_addressing(struct scsi_qla_host *ha);
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]105
106/*
107 * iSCSI template entry points
108 */
Mike Christiefca9f042012-02-27 03:08:54 -0800[diff] [blame]109static int qla4xxx_session_get_param(struct iscsi_cls_session *cls_sess,
110 enum iscsi_param param, char *buf);
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]111static int qla4xxx_conn_get_param(struct iscsi_cls_conn *conn,
112 enum iscsi_param param, char *buf);
Mike Christieaa1e93a2007-05-30 12:57:09 -0500[diff] [blame]113static int qla4xxx_host_get_param(struct Scsi_Host *shost,
114 enum iscsi_host_param param, char *buf);
Mike Christie00c31882011-10-06 03:56:59 -0500[diff] [blame]115static int qla4xxx_iface_set_param(struct Scsi_Host *shost, void *data,
116 uint32_t len);
Vikas Chaudharyed1086e2011-07-25 13:48:41 -0500[diff] [blame]117static int qla4xxx_get_iface_param(struct iscsi_iface *iface,
118 enum iscsi_param_type param_type,
119 int param, char *buf);
Mike Christie5c656af2009-07-15 15:02:59 -0500[diff] [blame]120static enum blk_eh_timer_return qla4xxx_eh_cmd_timed_out(struct scsi_cmnd *sc);
Manish Rangankarb3a271a2011-07-25 13:48:53 -0500[diff] [blame]121static struct iscsi_endpoint *qla4xxx_ep_connect(struct Scsi_Host *shost,
122 struct sockaddr *dst_addr,
123 int non_blocking);
124static int qla4xxx_ep_poll(struct iscsi_endpoint *ep, int timeout_ms);
125static void qla4xxx_ep_disconnect(struct iscsi_endpoint *ep);
126static int qla4xxx_get_ep_param(struct iscsi_endpoint *ep,
127 enum iscsi_param param, char *buf);
128static int qla4xxx_conn_start(struct iscsi_cls_conn *conn);
129static struct iscsi_cls_conn *
130qla4xxx_conn_create(struct iscsi_cls_session *cls_sess, uint32_t conn_idx);
131static int qla4xxx_conn_bind(struct iscsi_cls_session *cls_session,
132 struct iscsi_cls_conn *cls_conn,
133 uint64_t transport_fd, int is_leading);
134static void qla4xxx_conn_destroy(struct iscsi_cls_conn *conn);
135static struct iscsi_cls_session *
136qla4xxx_session_create(struct iscsi_endpoint *ep, uint16_t cmds_max,
137 uint16_t qdepth, uint32_t initial_cmdsn);
138static void qla4xxx_session_destroy(struct iscsi_cls_session *sess);
139static void qla4xxx_task_work(struct work_struct *wdata);
140static int qla4xxx_alloc_pdu(struct iscsi_task *, uint8_t);
141static int qla4xxx_task_xmit(struct iscsi_task *);
142static void qla4xxx_task_cleanup(struct iscsi_task *);
143static void qla4xxx_fail_session(struct iscsi_cls_session *cls_session);
144static void qla4xxx_conn_get_stats(struct iscsi_cls_conn *cls_conn,
145 struct iscsi_stats *stats);
Vikas Chaudharyc0b9d3f2012-02-13 18:30:49 +0530[diff] [blame]146static int qla4xxx_send_ping(struct Scsi_Host *shost, uint32_t iface_num,
147 uint32_t iface_type, uint32_t payload_size,
148 uint32_t pid, struct sockaddr *dst_addr);
Nilesh Javali376738a2012-02-27 03:08:52 -0800[diff] [blame]149static int qla4xxx_get_chap_list(struct Scsi_Host *shost, uint16_t chap_tbl_idx,
150 uint32_t *num_entries, char *buf);
151static int qla4xxx_delete_chap(struct Scsi_Host *shost, uint16_t chap_tbl_idx);
Adheer Chandravanshi26ffd7b2013-09-17 07:54:49 -0400[diff] [blame]152static int qla4xxx_set_chap_entry(struct Scsi_Host *shost, void *data,
153 int len);
Lalit Chandivade4161cee2013-11-22 05:28:19 -0500[diff] [blame]154static int qla4xxx_get_host_stats(struct Scsi_Host *shost, char *buf, int len);
Vikas Chaudharyc0b9d3f2012-02-13 18:30:49 +0530[diff] [blame]155
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]156/*
157 * SCSI host template entry points
158 */
Jeff Garzikf2812332010-11-16 02:10:29 -0500[diff] [blame]159static int qla4xxx_queuecommand(struct Scsi_Host *h, struct scsi_cmnd *cmd);
Vikas Chaudhary09a0f712010-04-28 11:42:24 +0530[diff] [blame]160static int qla4xxx_eh_abort(struct scsi_cmnd *cmd);
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]161static int qla4xxx_eh_device_reset(struct scsi_cmnd *cmd);
Mike Christiece545032008-02-29 18:25:20 -0600[diff] [blame]162static int qla4xxx_eh_target_reset(struct scsi_cmnd *cmd);
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]163static int qla4xxx_eh_host_reset(struct scsi_cmnd *cmd);
164static int qla4xxx_slave_alloc(struct scsi_device *device);
165static int qla4xxx_slave_configure(struct scsi_device *device);
166static void qla4xxx_slave_destroy(struct scsi_device *sdev);
Vikas Chaudhary5e9bcec2012-08-22 07:55:01 -0400[diff] [blame]167static umode_t qla4_attr_is_visible(int param_type, int param);
Vikas Chaudhary95d31262011-08-12 02:51:29 -0700[diff] [blame]168static int qla4xxx_host_reset(struct Scsi_Host *shost, int reset_type);
Tej Parkashf7b4aa62012-04-30 04:12:19 -0700[diff] [blame]169static int qla4xxx_change_queue_depth(struct scsi_device *sdev, int qdepth,
170 int reason);
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]171
Adheer Chandravanshi1e9e2be2013-03-22 07:41:31 -0400[diff] [blame]172/*
173 * iSCSI Flash DDB sysfs entry points
174 */
175static int
176qla4xxx_sysfs_ddb_set_param(struct iscsi_bus_flash_session *fnode_sess,
177 struct iscsi_bus_flash_conn *fnode_conn,
178 void *data, int len);
179static int
180qla4xxx_sysfs_ddb_get_param(struct iscsi_bus_flash_session *fnode_sess,
181 int param, char *buf);
182static int qla4xxx_sysfs_ddb_add(struct Scsi_Host *shost, const char *buf,
183 int len);
184static int
185qla4xxx_sysfs_ddb_delete(struct iscsi_bus_flash_session *fnode_sess);
186static int qla4xxx_sysfs_ddb_login(struct iscsi_bus_flash_session *fnode_sess,
187 struct iscsi_bus_flash_conn *fnode_conn);
188static int qla4xxx_sysfs_ddb_logout(struct iscsi_bus_flash_session *fnode_sess,
189 struct iscsi_bus_flash_conn *fnode_conn);
190static int qla4xxx_sysfs_ddb_logout_sid(struct iscsi_cls_session *cls_sess);
191
Vikas Chaudharyf4f5df232010-07-28 15:53:44 +0530[diff] [blame]192static struct qla4_8xxx_legacy_intr_set legacy_intr[] =
193 QLA82XX_LEGACY_INTR_CONFIG;
194
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]195static struct scsi_host_template qla4xxx_driver_template = {
196 .module = THIS_MODULE,
197 .name = DRIVER_NAME,
198 .proc_name = DRIVER_NAME,
199 .queuecommand = qla4xxx_queuecommand,
200
Vikas Chaudhary09a0f712010-04-28 11:42:24 +0530[diff] [blame]201 .eh_abort_handler = qla4xxx_eh_abort,
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]202 .eh_device_reset_handler = qla4xxx_eh_device_reset,
Mike Christiece545032008-02-29 18:25:20 -0600[diff] [blame]203 .eh_target_reset_handler = qla4xxx_eh_target_reset,
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]204 .eh_host_reset_handler = qla4xxx_eh_host_reset,
Mike Christie5c656af2009-07-15 15:02:59 -0500[diff] [blame]205 .eh_timed_out = qla4xxx_eh_cmd_timed_out,
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]206
207 .slave_configure = qla4xxx_slave_configure,
208 .slave_alloc = qla4xxx_slave_alloc,
209 .slave_destroy = qla4xxx_slave_destroy,
Tej Parkashf7b4aa62012-04-30 04:12:19 -0700[diff] [blame]210 .change_queue_depth = qla4xxx_change_queue_depth,
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]211
212 .this_id = -1,
213 .cmd_per_lun = 3,
214 .use_clustering = ENABLE_CLUSTERING,
215 .sg_tablesize = SG_ALL,
216
217 .max_sectors = 0xFFFF,
Harish Zunjarrao7ad633c2011-05-17 23:17:11 -0700[diff] [blame]218 .shost_attrs = qla4xxx_host_attrs,
Vikas Chaudhary95d31262011-08-12 02:51:29 -0700[diff] [blame]219 .host_reset = qla4xxx_host_reset,
Vikas Chaudharya3559432011-07-25 13:48:51 -0500[diff] [blame]220 .vendor_id = SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_QLOGIC,
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]221};
222
223static struct iscsi_transport qla4xxx_iscsi_transport = {
224 .owner = THIS_MODULE,
225 .name = DRIVER_NAME,
Manish Rangankarb3a271a2011-07-25 13:48:53 -0500[diff] [blame]226 .caps = CAP_TEXT_NEGO |
227 CAP_DATA_PATH_OFFLOAD | CAP_HDRDGST |
228 CAP_DATADGST | CAP_LOGIN_OFFLOAD |
229 CAP_MULTI_R2T,
Vikas Chaudhary5e9bcec2012-08-22 07:55:01 -0400[diff] [blame]230 .attr_is_visible = qla4_attr_is_visible,
Manish Rangankarb3a271a2011-07-25 13:48:53 -0500[diff] [blame]231 .create_session = qla4xxx_session_create,
232 .destroy_session = qla4xxx_session_destroy,
233 .start_conn = qla4xxx_conn_start,
234 .create_conn = qla4xxx_conn_create,
235 .bind_conn = qla4xxx_conn_bind,
236 .stop_conn = iscsi_conn_stop,
237 .destroy_conn = qla4xxx_conn_destroy,
238 .set_param = iscsi_set_param,
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]239 .get_conn_param = qla4xxx_conn_get_param,
Mike Christiefca9f042012-02-27 03:08:54 -0800[diff] [blame]240 .get_session_param = qla4xxx_session_get_param,
Manish Rangankarb3a271a2011-07-25 13:48:53 -0500[diff] [blame]241 .get_ep_param = qla4xxx_get_ep_param,
242 .ep_connect = qla4xxx_ep_connect,
243 .ep_poll = qla4xxx_ep_poll,
244 .ep_disconnect = qla4xxx_ep_disconnect,
245 .get_stats = qla4xxx_conn_get_stats,
246 .send_pdu = iscsi_conn_send_pdu,
247 .xmit_task = qla4xxx_task_xmit,
248 .cleanup_task = qla4xxx_task_cleanup,
249 .alloc_pdu = qla4xxx_alloc_pdu,
250
Mike Christieaa1e93a2007-05-30 12:57:09 -0500[diff] [blame]251 .get_host_param = qla4xxx_host_get_param,
Mike Christied00efe32011-07-25 13:48:38 -0500[diff] [blame]252 .set_iface_param = qla4xxx_iface_set_param,
Vikas Chaudharyed1086e2011-07-25 13:48:41 -0500[diff] [blame]253 .get_iface_param = qla4xxx_get_iface_param,
Vikas Chaudharya3559432011-07-25 13:48:51 -0500[diff] [blame]254 .bsg_request = qla4xxx_bsg_request,
Vikas Chaudharyc0b9d3f2012-02-13 18:30:49 +0530[diff] [blame]255 .send_ping = qla4xxx_send_ping,
Nilesh Javali376738a2012-02-27 03:08:52 -0800[diff] [blame]256 .get_chap = qla4xxx_get_chap_list,
257 .delete_chap = qla4xxx_delete_chap,
Adheer Chandravanshi26ffd7b2013-09-17 07:54:49 -0400[diff] [blame]258 .set_chap = qla4xxx_set_chap_entry,
Adheer Chandravanshi1e9e2be2013-03-22 07:41:31 -0400[diff] [blame]259 .get_flashnode_param = qla4xxx_sysfs_ddb_get_param,
260 .set_flashnode_param = qla4xxx_sysfs_ddb_set_param,
261 .new_flashnode = qla4xxx_sysfs_ddb_add,
262 .del_flashnode = qla4xxx_sysfs_ddb_delete,
263 .login_flashnode = qla4xxx_sysfs_ddb_login,
264 .logout_flashnode = qla4xxx_sysfs_ddb_logout,
265 .logout_flashnode_sid = qla4xxx_sysfs_ddb_logout_sid,
Lalit Chandivade4161cee2013-11-22 05:28:19 -0500[diff] [blame]266 .get_host_stats = qla4xxx_get_host_stats,
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]267};
268
269static struct scsi_transport_template *qla4xxx_scsi_transport;
270
Vikas Chaudharyc0b9d3f2012-02-13 18:30:49 +0530[diff] [blame]271static int qla4xxx_send_ping(struct Scsi_Host *shost, uint32_t iface_num,
272 uint32_t iface_type, uint32_t payload_size,
273 uint32_t pid, struct sockaddr *dst_addr)
274{
275 struct scsi_qla_host *ha = to_qla_host(shost);
276 struct sockaddr_in *addr;
277 struct sockaddr_in6 *addr6;
278 uint32_t options = 0;
279 uint8_t ipaddr[IPv6_ADDR_LEN];
280 int rval;
281
282 memset(ipaddr, 0, IPv6_ADDR_LEN);
283 /* IPv4 to IPv4 */
284 if ((iface_type == ISCSI_IFACE_TYPE_IPV4) &&
285 (dst_addr->sa_family == AF_INET)) {
286 addr = (struct sockaddr_in *)dst_addr;
287 memcpy(ipaddr, &addr->sin_addr.s_addr, IP_ADDR_LEN);
288 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: IPv4 Ping src: %pI4 "
289 "dest: %pI4\n", __func__,
290 &ha->ip_config.ip_address, ipaddr));
291 rval = qla4xxx_ping_iocb(ha, options, payload_size, pid,
292 ipaddr);
293 if (rval)
294 rval = -EINVAL;
295 } else if ((iface_type == ISCSI_IFACE_TYPE_IPV6) &&
296 (dst_addr->sa_family == AF_INET6)) {
297 /* IPv6 to IPv6 */
298 addr6 = (struct sockaddr_in6 *)dst_addr;
299 memcpy(ipaddr, &addr6->sin6_addr.in6_u.u6_addr8, IPv6_ADDR_LEN);
300
301 options |= PING_IPV6_PROTOCOL_ENABLE;
302
303 /* Ping using LinkLocal address */
304 if ((iface_num == 0) || (iface_num == 1)) {
305 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: LinkLocal Ping "
306 "src: %pI6 dest: %pI6\n", __func__,
307 &ha->ip_config.ipv6_link_local_addr,
308 ipaddr));
309 options |= PING_IPV6_LINKLOCAL_ADDR;
310 rval = qla4xxx_ping_iocb(ha, options, payload_size,
311 pid, ipaddr);
312 } else {
313 ql4_printk(KERN_WARNING, ha, "%s: iface num = %d "
314 "not supported\n", __func__, iface_num);
315 rval = -ENOSYS;
316 goto exit_send_ping;
317 }
318
319 /*
320 * If ping using LinkLocal address fails, try ping using
321 * IPv6 address
322 */
323 if (rval != QLA_SUCCESS) {
324 options &= ~PING_IPV6_LINKLOCAL_ADDR;
325 if (iface_num == 0) {
326 options |= PING_IPV6_ADDR0;
327 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: IPv6 "
328 "Ping src: %pI6 "
329 "dest: %pI6\n", __func__,
330 &ha->ip_config.ipv6_addr0,
331 ipaddr));
332 } else if (iface_num == 1) {
333 options |= PING_IPV6_ADDR1;
334 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: IPv6 "
335 "Ping src: %pI6 "
336 "dest: %pI6\n", __func__,
337 &ha->ip_config.ipv6_addr1,
338 ipaddr));
339 }
340 rval = qla4xxx_ping_iocb(ha, options, payload_size,
341 pid, ipaddr);
342 if (rval)
343 rval = -EINVAL;
344 }
345 } else
346 rval = -ENOSYS;
347exit_send_ping:
348 return rval;
349}
350
Vikas Chaudhary5e9bcec2012-08-22 07:55:01 -0400[diff] [blame]351static umode_t qla4_attr_is_visible(int param_type, int param)
Mike Christie3128c6c2011-07-25 13:48:42 -0500[diff] [blame]352{
353 switch (param_type) {
Mike Christief27fb2e2011-07-25 13:48:45 -0500[diff] [blame]354 case ISCSI_HOST_PARAM:
355 switch (param) {
356 case ISCSI_HOST_PARAM_HWADDRESS:
357 case ISCSI_HOST_PARAM_IPADDRESS:
358 case ISCSI_HOST_PARAM_INITIATOR_NAME:
Vikas Chaudhary3254dbe2012-01-19 03:06:56 -0800[diff] [blame]359 case ISCSI_HOST_PARAM_PORT_STATE:
360 case ISCSI_HOST_PARAM_PORT_SPEED:
Mike Christief27fb2e2011-07-25 13:48:45 -0500[diff] [blame]361 return S_IRUGO;
362 default:
363 return 0;
364 }
Mike Christie3128c6c2011-07-25 13:48:42 -0500[diff] [blame]365 case ISCSI_PARAM:
366 switch (param) {
Mike Christie590134f2011-10-17 22:42:13 -0500[diff] [blame]367 case ISCSI_PARAM_PERSISTENT_ADDRESS:
368 case ISCSI_PARAM_PERSISTENT_PORT:
Mike Christie3128c6c2011-07-25 13:48:42 -0500[diff] [blame]369 case ISCSI_PARAM_CONN_ADDRESS:
370 case ISCSI_PARAM_CONN_PORT:
Mike Christie1d063c12011-07-25 13:48:43 -0500[diff] [blame]371 case ISCSI_PARAM_TARGET_NAME:
372 case ISCSI_PARAM_TPGT:
373 case ISCSI_PARAM_TARGET_ALIAS:
Manish Rangankarb3a271a2011-07-25 13:48:53 -0500[diff] [blame]374 case ISCSI_PARAM_MAX_BURST:
375 case ISCSI_PARAM_MAX_R2T:
376 case ISCSI_PARAM_FIRST_BURST:
377 case ISCSI_PARAM_MAX_RECV_DLENGTH:
378 case ISCSI_PARAM_MAX_XMIT_DLENGTH:
Mike Christiede379202011-08-14 20:42:56 -0500[diff] [blame]379 case ISCSI_PARAM_IFACE_NAME:
Mike Christiefca9f042012-02-27 03:08:54 -0800[diff] [blame]380 case ISCSI_PARAM_CHAP_OUT_IDX:
381 case ISCSI_PARAM_CHAP_IN_IDX:
382 case ISCSI_PARAM_USERNAME:
383 case ISCSI_PARAM_PASSWORD:
384 case ISCSI_PARAM_USERNAME_IN:
385 case ISCSI_PARAM_PASSWORD_IN:
Adheer Chandravanshi8cc91d42013-07-01 05:54:13 -0400[diff] [blame]386 case ISCSI_PARAM_AUTO_SND_TGT_DISABLE:
387 case ISCSI_PARAM_DISCOVERY_SESS:
388 case ISCSI_PARAM_PORTAL_TYPE:
389 case ISCSI_PARAM_CHAP_AUTH_EN:
390 case ISCSI_PARAM_DISCOVERY_LOGOUT_EN:
391 case ISCSI_PARAM_BIDI_CHAP_EN:
392 case ISCSI_PARAM_DISCOVERY_AUTH_OPTIONAL:
393 case ISCSI_PARAM_DEF_TIME2WAIT:
394 case ISCSI_PARAM_DEF_TIME2RETAIN:
395 case ISCSI_PARAM_HDRDGST_EN:
396 case ISCSI_PARAM_DATADGST_EN:
397 case ISCSI_PARAM_INITIAL_R2T_EN:
398 case ISCSI_PARAM_IMM_DATA_EN:
399 case ISCSI_PARAM_PDU_INORDER_EN:
400 case ISCSI_PARAM_DATASEQ_INORDER_EN:
401 case ISCSI_PARAM_MAX_SEGMENT_SIZE:
402 case ISCSI_PARAM_TCP_TIMESTAMP_STAT:
403 case ISCSI_PARAM_TCP_WSF_DISABLE:
404 case ISCSI_PARAM_TCP_NAGLE_DISABLE:
405 case ISCSI_PARAM_TCP_TIMER_SCALE:
406 case ISCSI_PARAM_TCP_TIMESTAMP_EN:
407 case ISCSI_PARAM_TCP_XMIT_WSF:
408 case ISCSI_PARAM_TCP_RECV_WSF:
409 case ISCSI_PARAM_IP_FRAGMENT_DISABLE:
410 case ISCSI_PARAM_IPV4_TOS:
411 case ISCSI_PARAM_IPV6_TC:
412 case ISCSI_PARAM_IPV6_FLOW_LABEL:
413 case ISCSI_PARAM_IS_FW_ASSIGNED_IPV6:
414 case ISCSI_PARAM_KEEPALIVE_TMO:
415 case ISCSI_PARAM_LOCAL_PORT:
416 case ISCSI_PARAM_ISID:
417 case ISCSI_PARAM_TSID:
418 case ISCSI_PARAM_DEF_TASKMGMT_TMO:
419 case ISCSI_PARAM_ERL:
420 case ISCSI_PARAM_STATSN:
421 case ISCSI_PARAM_EXP_STATSN:
422 case ISCSI_PARAM_DISCOVERY_PARENT_IDX:
423 case ISCSI_PARAM_DISCOVERY_PARENT_TYPE:
Adheer Chandravanshifb734ee32013-11-22 05:28:22 -0500[diff] [blame]424 case ISCSI_PARAM_LOCAL_IPADDR:
Mike Christie3128c6c2011-07-25 13:48:42 -0500[diff] [blame]425 return S_IRUGO;
426 default:
427 return 0;
428 }
Mike Christieb78dbba2011-07-25 13:48:44 -0500[diff] [blame]429 case ISCSI_NET_PARAM:
430 switch (param) {
431 case ISCSI_NET_PARAM_IPV4_ADDR:
432 case ISCSI_NET_PARAM_IPV4_SUBNET:
433 case ISCSI_NET_PARAM_IPV4_GW:
434 case ISCSI_NET_PARAM_IPV4_BOOTPROTO:
435 case ISCSI_NET_PARAM_IFACE_ENABLE:
436 case ISCSI_NET_PARAM_IPV6_LINKLOCAL:
437 case ISCSI_NET_PARAM_IPV6_ADDR:
438 case ISCSI_NET_PARAM_IPV6_ROUTER:
439 case ISCSI_NET_PARAM_IPV6_ADDR_AUTOCFG:
440 case ISCSI_NET_PARAM_IPV6_LINKLOCAL_AUTOCFG:
Vikas Chaudhary6ac73e82011-07-25 13:48:49 -0500[diff] [blame]441 case ISCSI_NET_PARAM_VLAN_ID:
442 case ISCSI_NET_PARAM_VLAN_PRIORITY:
443 case ISCSI_NET_PARAM_VLAN_ENABLED:
Vikas Chaudhary943c1572011-08-01 03:26:13 -0700[diff] [blame]444 case ISCSI_NET_PARAM_MTU:
Vikas Chaudhary2ada7fc2011-08-01 03:26:19 -0700[diff] [blame]445 case ISCSI_NET_PARAM_PORT:
Harish Zunjarraof8e93412013-10-18 09:01:42 -0400[diff] [blame]446 case ISCSI_NET_PARAM_IPADDR_STATE:
447 case ISCSI_NET_PARAM_IPV6_LINKLOCAL_STATE:
448 case ISCSI_NET_PARAM_IPV6_ROUTER_STATE:
449 case ISCSI_NET_PARAM_DELAYED_ACK_EN:
450 case ISCSI_NET_PARAM_TCP_NAGLE_DISABLE:
451 case ISCSI_NET_PARAM_TCP_WSF_DISABLE:
452 case ISCSI_NET_PARAM_TCP_WSF:
453 case ISCSI_NET_PARAM_TCP_TIMER_SCALE:
454 case ISCSI_NET_PARAM_TCP_TIMESTAMP_EN:
455 case ISCSI_NET_PARAM_CACHE_ID:
456 case ISCSI_NET_PARAM_IPV4_DHCP_DNS_ADDR_EN:
457 case ISCSI_NET_PARAM_IPV4_DHCP_SLP_DA_EN:
458 case ISCSI_NET_PARAM_IPV4_TOS_EN:
459 case ISCSI_NET_PARAM_IPV4_TOS:
460 case ISCSI_NET_PARAM_IPV4_GRAT_ARP_EN:
461 case ISCSI_NET_PARAM_IPV4_DHCP_ALT_CLIENT_ID_EN:
462 case ISCSI_NET_PARAM_IPV4_DHCP_ALT_CLIENT_ID:
463 case ISCSI_NET_PARAM_IPV4_DHCP_REQ_VENDOR_ID_EN:
464 case ISCSI_NET_PARAM_IPV4_DHCP_USE_VENDOR_ID_EN:
465 case ISCSI_NET_PARAM_IPV4_DHCP_VENDOR_ID:
466 case ISCSI_NET_PARAM_IPV4_DHCP_LEARN_IQN_EN:
467 case ISCSI_NET_PARAM_IPV4_FRAGMENT_DISABLE:
468 case ISCSI_NET_PARAM_IPV4_IN_FORWARD_EN:
469 case ISCSI_NET_PARAM_REDIRECT_EN:
470 case ISCSI_NET_PARAM_IPV4_TTL:
471 case ISCSI_NET_PARAM_IPV6_GRAT_NEIGHBOR_ADV_EN:
472 case ISCSI_NET_PARAM_IPV6_MLD_EN:
473 case ISCSI_NET_PARAM_IPV6_FLOW_LABEL:
474 case ISCSI_NET_PARAM_IPV6_TRAFFIC_CLASS:
475 case ISCSI_NET_PARAM_IPV6_HOP_LIMIT:
476 case ISCSI_NET_PARAM_IPV6_ND_REACHABLE_TMO:
477 case ISCSI_NET_PARAM_IPV6_ND_REXMIT_TIME:
478 case ISCSI_NET_PARAM_IPV6_ND_STALE_TMO:
479 case ISCSI_NET_PARAM_IPV6_DUP_ADDR_DETECT_CNT:
480 case ISCSI_NET_PARAM_IPV6_RTR_ADV_LINK_MTU:
481 return S_IRUGO;
482 default:
483 return 0;
484 }
485 case ISCSI_IFACE_PARAM:
486 switch (param) {
487 case ISCSI_IFACE_PARAM_DEF_TASKMGMT_TMO:
488 case ISCSI_IFACE_PARAM_HDRDGST_EN:
489 case ISCSI_IFACE_PARAM_DATADGST_EN:
490 case ISCSI_IFACE_PARAM_IMM_DATA_EN:
491 case ISCSI_IFACE_PARAM_INITIAL_R2T_EN:
492 case ISCSI_IFACE_PARAM_DATASEQ_INORDER_EN:
493 case ISCSI_IFACE_PARAM_PDU_INORDER_EN:
494 case ISCSI_IFACE_PARAM_ERL:
495 case ISCSI_IFACE_PARAM_MAX_RECV_DLENGTH:
496 case ISCSI_IFACE_PARAM_FIRST_BURST:
497 case ISCSI_IFACE_PARAM_MAX_R2T:
498 case ISCSI_IFACE_PARAM_MAX_BURST:
499 case ISCSI_IFACE_PARAM_CHAP_AUTH_EN:
500 case ISCSI_IFACE_PARAM_BIDI_CHAP_EN:
501 case ISCSI_IFACE_PARAM_DISCOVERY_AUTH_OPTIONAL:
502 case ISCSI_IFACE_PARAM_DISCOVERY_LOGOUT_EN:
503 case ISCSI_IFACE_PARAM_STRICT_LOGIN_COMP_EN:
504 case ISCSI_IFACE_PARAM_INITIATOR_NAME:
Mike Christieb78dbba2011-07-25 13:48:44 -0500[diff] [blame]505 return S_IRUGO;
506 default:
507 return 0;
508 }
Adheer Chandravanshi1e9e2be2013-03-22 07:41:31 -0400[diff] [blame]509 case ISCSI_FLASHNODE_PARAM:
510 switch (param) {
511 case ISCSI_FLASHNODE_IS_FW_ASSIGNED_IPV6:
512 case ISCSI_FLASHNODE_PORTAL_TYPE:
513 case ISCSI_FLASHNODE_AUTO_SND_TGT_DISABLE:
514 case ISCSI_FLASHNODE_DISCOVERY_SESS:
515 case ISCSI_FLASHNODE_ENTRY_EN:
516 case ISCSI_FLASHNODE_HDR_DGST_EN:
517 case ISCSI_FLASHNODE_DATA_DGST_EN:
518 case ISCSI_FLASHNODE_IMM_DATA_EN:
519 case ISCSI_FLASHNODE_INITIAL_R2T_EN:
520 case ISCSI_FLASHNODE_DATASEQ_INORDER:
521 case ISCSI_FLASHNODE_PDU_INORDER:
522 case ISCSI_FLASHNODE_CHAP_AUTH_EN:
523 case ISCSI_FLASHNODE_SNACK_REQ_EN:
524 case ISCSI_FLASHNODE_DISCOVERY_LOGOUT_EN:
525 case ISCSI_FLASHNODE_BIDI_CHAP_EN:
526 case ISCSI_FLASHNODE_DISCOVERY_AUTH_OPTIONAL:
527 case ISCSI_FLASHNODE_ERL:
528 case ISCSI_FLASHNODE_TCP_TIMESTAMP_STAT:
529 case ISCSI_FLASHNODE_TCP_NAGLE_DISABLE:
530 case ISCSI_FLASHNODE_TCP_WSF_DISABLE:
531 case ISCSI_FLASHNODE_TCP_TIMER_SCALE:
532 case ISCSI_FLASHNODE_TCP_TIMESTAMP_EN:
533 case ISCSI_FLASHNODE_IP_FRAG_DISABLE:
534 case ISCSI_FLASHNODE_MAX_RECV_DLENGTH:
535 case ISCSI_FLASHNODE_MAX_XMIT_DLENGTH:
536 case ISCSI_FLASHNODE_FIRST_BURST:
537 case ISCSI_FLASHNODE_DEF_TIME2WAIT:
538 case ISCSI_FLASHNODE_DEF_TIME2RETAIN:
539 case ISCSI_FLASHNODE_MAX_R2T:
540 case ISCSI_FLASHNODE_KEEPALIVE_TMO:
541 case ISCSI_FLASHNODE_ISID:
542 case ISCSI_FLASHNODE_TSID:
543 case ISCSI_FLASHNODE_PORT:
544 case ISCSI_FLASHNODE_MAX_BURST:
545 case ISCSI_FLASHNODE_DEF_TASKMGMT_TMO:
546 case ISCSI_FLASHNODE_IPADDR:
547 case ISCSI_FLASHNODE_ALIAS:
548 case ISCSI_FLASHNODE_REDIRECT_IPADDR:
549 case ISCSI_FLASHNODE_MAX_SEGMENT_SIZE:
550 case ISCSI_FLASHNODE_LOCAL_PORT:
551 case ISCSI_FLASHNODE_IPV4_TOS:
552 case ISCSI_FLASHNODE_IPV6_TC:
553 case ISCSI_FLASHNODE_IPV6_FLOW_LABEL:
554 case ISCSI_FLASHNODE_NAME:
555 case ISCSI_FLASHNODE_TPGT:
556 case ISCSI_FLASHNODE_LINK_LOCAL_IPV6:
557 case ISCSI_FLASHNODE_DISCOVERY_PARENT_IDX:
558 case ISCSI_FLASHNODE_DISCOVERY_PARENT_TYPE:
559 case ISCSI_FLASHNODE_TCP_XMIT_WSF:
560 case ISCSI_FLASHNODE_TCP_RECV_WSF:
561 case ISCSI_FLASHNODE_CHAP_OUT_IDX:
562 case ISCSI_FLASHNODE_USERNAME:
563 case ISCSI_FLASHNODE_PASSWORD:
564 case ISCSI_FLASHNODE_STATSN:
565 case ISCSI_FLASHNODE_EXP_STATSN:
566 case ISCSI_FLASHNODE_IS_BOOT_TGT:
567 return S_IRUGO;
568 default:
569 return 0;
570 }
Mike Christie3128c6c2011-07-25 13:48:42 -0500[diff] [blame]571 }
572
573 return 0;
574}
575
Adheer Chandravanshiea507a22013-11-22 05:28:23 -0500[diff] [blame]576/**
577 * qla4xxx_create chap_list - Create CHAP list from FLASH
578 * @ha: pointer to adapter structure
579 *
580 * Read flash and make a list of CHAP entries, during login when a CHAP entry
581 * is received, it will be checked in this list. If entry exist then the CHAP
582 * entry index is set in the DDB. If CHAP entry does not exist in this list
583 * then a new entry is added in FLASH in CHAP table and the index obtained is
584 * used in the DDB.
585 **/
586static void qla4xxx_create_chap_list(struct scsi_qla_host *ha)
587{
588 int rval = 0;
589 uint8_t *chap_flash_data = NULL;
590 uint32_t offset;
591 dma_addr_t chap_dma;
592 uint32_t chap_size = 0;
593
594 if (is_qla40XX(ha))
595 chap_size = MAX_CHAP_ENTRIES_40XX *
596 sizeof(struct ql4_chap_table);
597 else /* Single region contains CHAP info for both
598 * ports which is divided into half for each port.
599 */
600 chap_size = ha->hw.flt_chap_size / 2;
601
602 chap_flash_data = dma_alloc_coherent(&ha->pdev->dev, chap_size,
603 &chap_dma, GFP_KERNEL);
604 if (!chap_flash_data) {
605 ql4_printk(KERN_ERR, ha, "No memory for chap_flash_data\n");
606 return;
607 }
608
609 if (is_qla40XX(ha)) {
610 offset = FLASH_CHAP_OFFSET;
611 } else {
612 offset = FLASH_RAW_ACCESS_ADDR + (ha->hw.flt_region_chap << 2);
613 if (ha->port_num == 1)
614 offset += chap_size;
615 }
616
617 rval = qla4xxx_get_flash(ha, chap_dma, offset, chap_size);
618 if (rval != QLA_SUCCESS)
619 goto exit_chap_list;
620
621 if (ha->chap_list == NULL)
622 ha->chap_list = vmalloc(chap_size);
623 if (ha->chap_list == NULL) {
624 ql4_printk(KERN_ERR, ha, "No memory for ha->chap_list\n");
625 goto exit_chap_list;
626 }
627
628 memset(ha->chap_list, 0, chap_size);
629 memcpy(ha->chap_list, chap_flash_data, chap_size);
630
631exit_chap_list:
632 dma_free_coherent(&ha->pdev->dev, chap_size, chap_flash_data, chap_dma);
633}
634
Adheer Chandravanshi26ffd7b2013-09-17 07:54:49 -0400[diff] [blame]635static int qla4xxx_get_chap_by_index(struct scsi_qla_host *ha,
636 int16_t chap_index,
637 struct ql4_chap_table **chap_entry)
638{
639 int rval = QLA_ERROR;
640 int max_chap_entries;
641
642 if (!ha->chap_list) {
643 ql4_printk(KERN_ERR, ha, "CHAP table cache is empty!\n");
644 rval = QLA_ERROR;
645 goto exit_get_chap;
646 }
647
648 if (is_qla80XX(ha))
649 max_chap_entries = (ha->hw.flt_chap_size / 2) /
650 sizeof(struct ql4_chap_table);
651 else
652 max_chap_entries = MAX_CHAP_ENTRIES_40XX;
653
654 if (chap_index > max_chap_entries) {
655 ql4_printk(KERN_ERR, ha, "Invalid Chap index\n");
656 rval = QLA_ERROR;
657 goto exit_get_chap;
658 }
659
660 *chap_entry = (struct ql4_chap_table *)ha->chap_list + chap_index;
661 if ((*chap_entry)->cookie !=
662 __constant_cpu_to_le16(CHAP_VALID_COOKIE)) {
663 rval = QLA_ERROR;
664 *chap_entry = NULL;
665 } else {
666 rval = QLA_SUCCESS;
667 }
668
669exit_get_chap:
670 return rval;
671}
672
673/**
674 * qla4xxx_find_free_chap_index - Find the first free chap index
675 * @ha: pointer to adapter structure
676 * @chap_index: CHAP index to be returned
677 *
678 * Find the first free chap index available in the chap table
679 *
680 * Note: Caller should acquire the chap lock before getting here.
681 **/
682static int qla4xxx_find_free_chap_index(struct scsi_qla_host *ha,
683 uint16_t *chap_index)
684{
685 int i, rval;
686 int free_index = -1;
687 int max_chap_entries = 0;
688 struct ql4_chap_table *chap_table;
689
690 if (is_qla80XX(ha))
691 max_chap_entries = (ha->hw.flt_chap_size / 2) /
692 sizeof(struct ql4_chap_table);
693 else
694 max_chap_entries = MAX_CHAP_ENTRIES_40XX;
695
696 if (!ha->chap_list) {
697 ql4_printk(KERN_ERR, ha, "CHAP table cache is empty!\n");
698 rval = QLA_ERROR;
699 goto exit_find_chap;
700 }
701
702 for (i = 0; i < max_chap_entries; i++) {
703 chap_table = (struct ql4_chap_table *)ha->chap_list + i;
704
705 if ((chap_table->cookie !=
706 __constant_cpu_to_le16(CHAP_VALID_COOKIE)) &&
707 (i > MAX_RESRV_CHAP_IDX)) {
708 free_index = i;
709 break;
710 }
711 }
712
713 if (free_index != -1) {
714 *chap_index = free_index;
715 rval = QLA_SUCCESS;
716 } else {
717 rval = QLA_ERROR;
718 }
719
720exit_find_chap:
721 return rval;
722}
723
Nilesh Javali376738a2012-02-27 03:08:52 -0800[diff] [blame]724static int qla4xxx_get_chap_list(struct Scsi_Host *shost, uint16_t chap_tbl_idx,
725 uint32_t *num_entries, char *buf)
726{
727 struct scsi_qla_host *ha = to_qla_host(shost);
728 struct ql4_chap_table *chap_table;
729 struct iscsi_chap_rec *chap_rec;
730 int max_chap_entries = 0;
731 int valid_chap_entries = 0;
732 int ret = 0, i;
733
Vikas Chaudharyd11b0ca2013-03-22 07:08:31 -0400[diff] [blame]734 if (is_qla80XX(ha))
Nilesh Javali376738a2012-02-27 03:08:52 -0800[diff] [blame]735 max_chap_entries = (ha->hw.flt_chap_size / 2) /
736 sizeof(struct ql4_chap_table);
737 else
738 max_chap_entries = MAX_CHAP_ENTRIES_40XX;
739
740 ql4_printk(KERN_INFO, ha, "%s: num_entries = %d, CHAP idx = %d\n",
741 __func__, *num_entries, chap_tbl_idx);
742
743 if (!buf) {
744 ret = -ENOMEM;
745 goto exit_get_chap_list;
746 }
747
Adheer Chandravanshiea507a22013-11-22 05:28:23 -0500[diff] [blame]748 qla4xxx_create_chap_list(ha);
749
Nilesh Javali376738a2012-02-27 03:08:52 -0800[diff] [blame]750 chap_rec = (struct iscsi_chap_rec *) buf;
751 mutex_lock(&ha->chap_sem);
752 for (i = chap_tbl_idx; i < max_chap_entries; i++) {
753 chap_table = (struct ql4_chap_table *)ha->chap_list + i;
754 if (chap_table->cookie !=
755 __constant_cpu_to_le16(CHAP_VALID_COOKIE))
756 continue;
757
758 chap_rec->chap_tbl_idx = i;
759 strncpy(chap_rec->username, chap_table->name,
760 ISCSI_CHAP_AUTH_NAME_MAX_LEN);
761 strncpy(chap_rec->password, chap_table->secret,
762 QL4_CHAP_MAX_SECRET_LEN);
763 chap_rec->password_length = chap_table->secret_len;
764
765 if (chap_table->flags & BIT_7) /* local */
766 chap_rec->chap_type = CHAP_TYPE_OUT;
767
768 if (chap_table->flags & BIT_6) /* peer */
769 chap_rec->chap_type = CHAP_TYPE_IN;
770
771 chap_rec++;
772
773 valid_chap_entries++;
774 if (valid_chap_entries == *num_entries)
775 break;
776 else
777 continue;
778 }
779 mutex_unlock(&ha->chap_sem);
780
781exit_get_chap_list:
782 ql4_printk(KERN_INFO, ha, "%s: Valid CHAP Entries = %d\n",
783 __func__, valid_chap_entries);
784 *num_entries = valid_chap_entries;
785 return ret;
786}
787
788static int __qla4xxx_is_chap_active(struct device *dev, void *data)
789{
790 int ret = 0;
791 uint16_t *chap_tbl_idx = (uint16_t *) data;
792 struct iscsi_cls_session *cls_session;
793 struct iscsi_session *sess;
794 struct ddb_entry *ddb_entry;
795
796 if (!iscsi_is_session_dev(dev))
797 goto exit_is_chap_active;
798
799 cls_session = iscsi_dev_to_session(dev);
800 sess = cls_session->dd_data;
801 ddb_entry = sess->dd_data;
802
803 if (iscsi_session_chkready(cls_session))
804 goto exit_is_chap_active;
805
806 if (ddb_entry->chap_tbl_idx == *chap_tbl_idx)
807 ret = 1;
808
809exit_is_chap_active:
810 return ret;
811}
812
813static int qla4xxx_is_chap_active(struct Scsi_Host *shost,
814 uint16_t chap_tbl_idx)
815{
816 int ret = 0;
817
818 ret = device_for_each_child(&shost->shost_gendev, &chap_tbl_idx,
819 __qla4xxx_is_chap_active);
820
821 return ret;
822}
823
824static int qla4xxx_delete_chap(struct Scsi_Host *shost, uint16_t chap_tbl_idx)
825{
826 struct scsi_qla_host *ha = to_qla_host(shost);
827 struct ql4_chap_table *chap_table;
828 dma_addr_t chap_dma;
829 int max_chap_entries = 0;
830 uint32_t offset = 0;
831 uint32_t chap_size;
832 int ret = 0;
833
834 chap_table = dma_pool_alloc(ha->chap_dma_pool, GFP_KERNEL, &chap_dma);
835 if (chap_table == NULL)
836 return -ENOMEM;
837
838 memset(chap_table, 0, sizeof(struct ql4_chap_table));
839
Vikas Chaudharyd11b0ca2013-03-22 07:08:31 -0400[diff] [blame]840 if (is_qla80XX(ha))
Nilesh Javali376738a2012-02-27 03:08:52 -0800[diff] [blame]841 max_chap_entries = (ha->hw.flt_chap_size / 2) /
842 sizeof(struct ql4_chap_table);
843 else
844 max_chap_entries = MAX_CHAP_ENTRIES_40XX;
845
846 if (chap_tbl_idx > max_chap_entries) {
847 ret = -EINVAL;
848 goto exit_delete_chap;
849 }
850
851 /* Check if chap index is in use.
852 * If chap is in use don't delet chap entry */
853 ret = qla4xxx_is_chap_active(shost, chap_tbl_idx);
854 if (ret) {
855 ql4_printk(KERN_INFO, ha, "CHAP entry %d is in use, cannot "
856 "delete from flash\n", chap_tbl_idx);
857 ret = -EBUSY;
858 goto exit_delete_chap;
859 }
860
861 chap_size = sizeof(struct ql4_chap_table);
862 if (is_qla40XX(ha))
863 offset = FLASH_CHAP_OFFSET | (chap_tbl_idx * chap_size);
864 else {
865 offset = FLASH_RAW_ACCESS_ADDR + (ha->hw.flt_region_chap << 2);
866 /* flt_chap_size is CHAP table size for both ports
867 * so divide it by 2 to calculate the offset for second port
868 */
869 if (ha->port_num == 1)
870 offset += (ha->hw.flt_chap_size / 2);
871 offset += (chap_tbl_idx * chap_size);
872 }
873
874 ret = qla4xxx_get_flash(ha, chap_dma, offset, chap_size);
875 if (ret != QLA_SUCCESS) {
876 ret = -EINVAL;
877 goto exit_delete_chap;
878 }
879
880 DEBUG2(ql4_printk(KERN_INFO, ha, "Chap Cookie: x%x\n",
881 __le16_to_cpu(chap_table->cookie)));
882
883 if (__le16_to_cpu(chap_table->cookie) != CHAP_VALID_COOKIE) {
884 ql4_printk(KERN_ERR, ha, "No valid chap entry found\n");
885 goto exit_delete_chap;
886 }
887
888 chap_table->cookie = __constant_cpu_to_le16(0xFFFF);
889
890 offset = FLASH_CHAP_OFFSET |
891 (chap_tbl_idx * sizeof(struct ql4_chap_table));
892 ret = qla4xxx_set_flash(ha, chap_dma, offset, chap_size,
893 FLASH_OPT_RMW_COMMIT);
894 if (ret == QLA_SUCCESS && ha->chap_list) {
895 mutex_lock(&ha->chap_sem);
896 /* Update ha chap_list cache */
897 memcpy((struct ql4_chap_table *)ha->chap_list + chap_tbl_idx,
898 chap_table, sizeof(struct ql4_chap_table));
899 mutex_unlock(&ha->chap_sem);
900 }
901 if (ret != QLA_SUCCESS)
902 ret = -EINVAL;
903
904exit_delete_chap:
905 dma_pool_free(ha->chap_dma_pool, chap_table, chap_dma);
906 return ret;
907}
908
Adheer Chandravanshi26ffd7b2013-09-17 07:54:49 -0400[diff] [blame]909/**
910 * qla4xxx_set_chap_entry - Make chap entry with given information
911 * @shost: pointer to host
912 * @data: chap info - credentials, index and type to make chap entry
913 * @len: length of data
914 *
915 * Add or update chap entry with the given information
916 **/
917static int qla4xxx_set_chap_entry(struct Scsi_Host *shost, void *data, int len)
918{
919 struct scsi_qla_host *ha = to_qla_host(shost);
920 struct iscsi_chap_rec chap_rec;
921 struct ql4_chap_table *chap_entry = NULL;
922 struct iscsi_param_info *param_info;
923 struct nlattr *attr;
924 int max_chap_entries = 0;
925 int type;
926 int rem = len;
927 int rc = 0;
Dan Carpenter3c60cfd2013-11-13 10:48:11 +0300[diff] [blame]928 int size;
Adheer Chandravanshi26ffd7b2013-09-17 07:54:49 -0400[diff] [blame]929
930 memset(&chap_rec, 0, sizeof(chap_rec));
931
932 nla_for_each_attr(attr, data, len, rem) {
933 param_info = nla_data(attr);
934
935 switch (param_info->param) {
936 case ISCSI_CHAP_PARAM_INDEX:
937 chap_rec.chap_tbl_idx = *(uint16_t *)param_info->value;
938 break;
939 case ISCSI_CHAP_PARAM_CHAP_TYPE:
940 chap_rec.chap_type = param_info->value[0];
941 break;
942 case ISCSI_CHAP_PARAM_USERNAME:
Dan Carpenter3c60cfd2013-11-13 10:48:11 +0300[diff] [blame]943 size = min_t(size_t, sizeof(chap_rec.username),
944 param_info->len);
945 memcpy(chap_rec.username, param_info->value, size);
Adheer Chandravanshi26ffd7b2013-09-17 07:54:49 -0400[diff] [blame]946 break;
947 case ISCSI_CHAP_PARAM_PASSWORD:
Dan Carpenter3c60cfd2013-11-13 10:48:11 +0300[diff] [blame]948 size = min_t(size_t, sizeof(chap_rec.password),
949 param_info->len);
950 memcpy(chap_rec.password, param_info->value, size);
Adheer Chandravanshi26ffd7b2013-09-17 07:54:49 -0400[diff] [blame]951 break;
952 case ISCSI_CHAP_PARAM_PASSWORD_LEN:
953 chap_rec.password_length = param_info->value[0];
954 break;
955 default:
956 ql4_printk(KERN_ERR, ha,
957 "%s: No such sysfs attribute\n", __func__);
958 rc = -ENOSYS;
959 goto exit_set_chap;
960 };
961 }
962
963 if (chap_rec.chap_type == CHAP_TYPE_IN)
964 type = BIDI_CHAP;
965 else
966 type = LOCAL_CHAP;
967
968 if (is_qla80XX(ha))
969 max_chap_entries = (ha->hw.flt_chap_size / 2) /
970 sizeof(struct ql4_chap_table);
971 else
972 max_chap_entries = MAX_CHAP_ENTRIES_40XX;
973
974 mutex_lock(&ha->chap_sem);
975 if (chap_rec.chap_tbl_idx < max_chap_entries) {
976 rc = qla4xxx_get_chap_by_index(ha, chap_rec.chap_tbl_idx,
977 &chap_entry);
978 if (!rc) {
979 if (!(type == qla4xxx_get_chap_type(chap_entry))) {
980 ql4_printk(KERN_INFO, ha,
981 "Type mismatch for CHAP entry %d\n",
982 chap_rec.chap_tbl_idx);
983 rc = -EINVAL;
984 goto exit_unlock_chap;
985 }
986
987 /* If chap index is in use then don't modify it */
988 rc = qla4xxx_is_chap_active(shost,
989 chap_rec.chap_tbl_idx);
990 if (rc) {
991 ql4_printk(KERN_INFO, ha,
992 "CHAP entry %d is in use\n",
993 chap_rec.chap_tbl_idx);
994 rc = -EBUSY;
995 goto exit_unlock_chap;
996 }
997 }
998 } else {
999 rc = qla4xxx_find_free_chap_index(ha, &chap_rec.chap_tbl_idx);
1000 if (rc) {
1001 ql4_printk(KERN_INFO, ha, "CHAP entry not available\n");
1002 rc = -EBUSY;
1003 goto exit_unlock_chap;
1004 }
1005 }
1006
1007 rc = qla4xxx_set_chap(ha, chap_rec.username, chap_rec.password,
1008 chap_rec.chap_tbl_idx, type);
1009
1010exit_unlock_chap:
1011 mutex_unlock(&ha->chap_sem);
1012
1013exit_set_chap:
1014 return rc;
1015}
1016
Lalit Chandivade4161cee2013-11-22 05:28:19 -0500[diff] [blame]1017
1018static int qla4xxx_get_host_stats(struct Scsi_Host *shost, char *buf, int len)
1019{
1020 struct scsi_qla_host *ha = to_qla_host(shost);
1021 struct iscsi_offload_host_stats *host_stats = NULL;
1022 int host_stats_size;
1023 int ret = 0;
1024 int ddb_idx = 0;
1025 struct ql_iscsi_stats *ql_iscsi_stats = NULL;
1026 int stats_size;
1027 dma_addr_t iscsi_stats_dma;
1028
1029 DEBUG2(ql4_printk(KERN_INFO, ha, "Func: %s\n", __func__));
1030
1031 host_stats_size = sizeof(struct iscsi_offload_host_stats);
1032
1033 if (host_stats_size != len) {
1034 ql4_printk(KERN_INFO, ha, "%s: host_stats size mismatch expected = %d, is = %d\n",
1035 __func__, len, host_stats_size);
1036 ret = -EINVAL;
1037 goto exit_host_stats;
1038 }
1039 host_stats = (struct iscsi_offload_host_stats *)buf;
1040
1041 if (!buf) {
1042 ret = -ENOMEM;
1043 goto exit_host_stats;
1044 }
1045
1046 stats_size = PAGE_ALIGN(sizeof(struct ql_iscsi_stats));
1047
1048 ql_iscsi_stats = dma_alloc_coherent(&ha->pdev->dev, stats_size,
1049 &iscsi_stats_dma, GFP_KERNEL);
1050 if (!ql_iscsi_stats) {
1051 ql4_printk(KERN_ERR, ha,
1052 "Unable to allocate memory for iscsi stats\n");
1053 goto exit_host_stats;
1054 }
1055
1056 ret = qla4xxx_get_mgmt_data(ha, ddb_idx, stats_size,
1057 iscsi_stats_dma);
1058 if (ret != QLA_SUCCESS) {
1059 ql4_printk(KERN_ERR, ha,
1060 "Unable to retrieve iscsi stats\n");
1061 goto exit_host_stats;
1062 }
1063 host_stats->mactx_frames = le64_to_cpu(ql_iscsi_stats->mac_tx_frames);
1064 host_stats->mactx_bytes = le64_to_cpu(ql_iscsi_stats->mac_tx_bytes);
1065 host_stats->mactx_multicast_frames =
1066 le64_to_cpu(ql_iscsi_stats->mac_tx_multicast_frames);
1067 host_stats->mactx_broadcast_frames =
1068 le64_to_cpu(ql_iscsi_stats->mac_tx_broadcast_frames);
1069 host_stats->mactx_pause_frames =
1070 le64_to_cpu(ql_iscsi_stats->mac_tx_pause_frames);
1071 host_stats->mactx_control_frames =
1072 le64_to_cpu(ql_iscsi_stats->mac_tx_control_frames);
1073 host_stats->mactx_deferral =
1074 le64_to_cpu(ql_iscsi_stats->mac_tx_deferral);
1075 host_stats->mactx_excess_deferral =
1076 le64_to_cpu(ql_iscsi_stats->mac_tx_excess_deferral);
1077 host_stats->mactx_late_collision =
1078 le64_to_cpu(ql_iscsi_stats->mac_tx_late_collision);
1079 host_stats->mactx_abort = le64_to_cpu(ql_iscsi_stats->mac_tx_abort);
1080 host_stats->mactx_single_collision =
1081 le64_to_cpu(ql_iscsi_stats->mac_tx_single_collision);
1082 host_stats->mactx_multiple_collision =
1083 le64_to_cpu(ql_iscsi_stats->mac_tx_multiple_collision);
1084 host_stats->mactx_collision =
1085 le64_to_cpu(ql_iscsi_stats->mac_tx_collision);
1086 host_stats->mactx_frames_dropped =
1087 le64_to_cpu(ql_iscsi_stats->mac_tx_frames_dropped);
1088 host_stats->mactx_jumbo_frames =
1089 le64_to_cpu(ql_iscsi_stats->mac_tx_jumbo_frames);
1090 host_stats->macrx_frames = le64_to_cpu(ql_iscsi_stats->mac_rx_frames);
1091 host_stats->macrx_bytes = le64_to_cpu(ql_iscsi_stats->mac_rx_bytes);
1092 host_stats->macrx_unknown_control_frames =
1093 le64_to_cpu(ql_iscsi_stats->mac_rx_unknown_control_frames);
1094 host_stats->macrx_pause_frames =
1095 le64_to_cpu(ql_iscsi_stats->mac_rx_pause_frames);
1096 host_stats->macrx_control_frames =
1097 le64_to_cpu(ql_iscsi_stats->mac_rx_control_frames);
1098 host_stats->macrx_dribble =
1099 le64_to_cpu(ql_iscsi_stats->mac_rx_dribble);
1100 host_stats->macrx_frame_length_error =
1101 le64_to_cpu(ql_iscsi_stats->mac_rx_frame_length_error);
1102 host_stats->macrx_jabber = le64_to_cpu(ql_iscsi_stats->mac_rx_jabber);
1103 host_stats->macrx_carrier_sense_error =
1104 le64_to_cpu(ql_iscsi_stats->mac_rx_carrier_sense_error);
1105 host_stats->macrx_frame_discarded =
1106 le64_to_cpu(ql_iscsi_stats->mac_rx_frame_discarded);
1107 host_stats->macrx_frames_dropped =
1108 le64_to_cpu(ql_iscsi_stats->mac_rx_frames_dropped);
1109 host_stats->mac_crc_error = le64_to_cpu(ql_iscsi_stats->mac_crc_error);
1110 host_stats->mac_encoding_error =
1111 le64_to_cpu(ql_iscsi_stats->mac_encoding_error);
1112 host_stats->macrx_length_error_large =
1113 le64_to_cpu(ql_iscsi_stats->mac_rx_length_error_large);
1114 host_stats->macrx_length_error_small =
1115 le64_to_cpu(ql_iscsi_stats->mac_rx_length_error_small);
1116 host_stats->macrx_multicast_frames =
1117 le64_to_cpu(ql_iscsi_stats->mac_rx_multicast_frames);
1118 host_stats->macrx_broadcast_frames =
1119 le64_to_cpu(ql_iscsi_stats->mac_rx_broadcast_frames);
1120 host_stats->iptx_packets = le64_to_cpu(ql_iscsi_stats->ip_tx_packets);
1121 host_stats->iptx_bytes = le64_to_cpu(ql_iscsi_stats->ip_tx_bytes);
1122 host_stats->iptx_fragments =
1123 le64_to_cpu(ql_iscsi_stats->ip_tx_fragments);
1124 host_stats->iprx_packets = le64_to_cpu(ql_iscsi_stats->ip_rx_packets);
1125 host_stats->iprx_bytes = le64_to_cpu(ql_iscsi_stats->ip_rx_bytes);
1126 host_stats->iprx_fragments =
1127 le64_to_cpu(ql_iscsi_stats->ip_rx_fragments);
1128 host_stats->ip_datagram_reassembly =
1129 le64_to_cpu(ql_iscsi_stats->ip_datagram_reassembly);
1130 host_stats->ip_invalid_address_error =
1131 le64_to_cpu(ql_iscsi_stats->ip_invalid_address_error);
1132 host_stats->ip_error_packets =
1133 le64_to_cpu(ql_iscsi_stats->ip_error_packets);
1134 host_stats->ip_fragrx_overlap =
1135 le64_to_cpu(ql_iscsi_stats->ip_fragrx_overlap);
1136 host_stats->ip_fragrx_outoforder =
1137 le64_to_cpu(ql_iscsi_stats->ip_fragrx_outoforder);
1138 host_stats->ip_datagram_reassembly_timeout =
1139 le64_to_cpu(ql_iscsi_stats->ip_datagram_reassembly_timeout);
1140 host_stats->ipv6tx_packets =
1141 le64_to_cpu(ql_iscsi_stats->ipv6_tx_packets);
1142 host_stats->ipv6tx_bytes = le64_to_cpu(ql_iscsi_stats->ipv6_tx_bytes);
1143 host_stats->ipv6tx_fragments =
1144 le64_to_cpu(ql_iscsi_stats->ipv6_tx_fragments);
1145 host_stats->ipv6rx_packets =
1146 le64_to_cpu(ql_iscsi_stats->ipv6_rx_packets);
1147 host_stats->ipv6rx_bytes = le64_to_cpu(ql_iscsi_stats->ipv6_rx_bytes);
1148 host_stats->ipv6rx_fragments =
1149 le64_to_cpu(ql_iscsi_stats->ipv6_rx_fragments);
1150 host_stats->ipv6_datagram_reassembly =
1151 le64_to_cpu(ql_iscsi_stats->ipv6_datagram_reassembly);
1152 host_stats->ipv6_invalid_address_error =
1153 le64_to_cpu(ql_iscsi_stats->ipv6_invalid_address_error);
1154 host_stats->ipv6_error_packets =
1155 le64_to_cpu(ql_iscsi_stats->ipv6_error_packets);
1156 host_stats->ipv6_fragrx_overlap =
1157 le64_to_cpu(ql_iscsi_stats->ipv6_fragrx_overlap);
1158 host_stats->ipv6_fragrx_outoforder =
1159 le64_to_cpu(ql_iscsi_stats->ipv6_fragrx_outoforder);
1160 host_stats->ipv6_datagram_reassembly_timeout =
1161 le64_to_cpu(ql_iscsi_stats->ipv6_datagram_reassembly_timeout);
1162 host_stats->tcptx_segments =
1163 le64_to_cpu(ql_iscsi_stats->tcp_tx_segments);
1164 host_stats->tcptx_bytes = le64_to_cpu(ql_iscsi_stats->tcp_tx_bytes);
1165 host_stats->tcprx_segments =
1166 le64_to_cpu(ql_iscsi_stats->tcp_rx_segments);
1167 host_stats->tcprx_byte = le64_to_cpu(ql_iscsi_stats->tcp_rx_byte);
1168 host_stats->tcp_duplicate_ack_retx =
1169 le64_to_cpu(ql_iscsi_stats->tcp_duplicate_ack_retx);
1170 host_stats->tcp_retx_timer_expired =
1171 le64_to_cpu(ql_iscsi_stats->tcp_retx_timer_expired);
1172 host_stats->tcprx_duplicate_ack =
1173 le64_to_cpu(ql_iscsi_stats->tcp_rx_duplicate_ack);
1174 host_stats->tcprx_pure_ackr =
1175 le64_to_cpu(ql_iscsi_stats->tcp_rx_pure_ackr);
1176 host_stats->tcptx_delayed_ack =
1177 le64_to_cpu(ql_iscsi_stats->tcp_tx_delayed_ack);
1178 host_stats->tcptx_pure_ack =
1179 le64_to_cpu(ql_iscsi_stats->tcp_tx_pure_ack);
1180 host_stats->tcprx_segment_error =
1181 le64_to_cpu(ql_iscsi_stats->tcp_rx_segment_error);
1182 host_stats->tcprx_segment_outoforder =
1183 le64_to_cpu(ql_iscsi_stats->tcp_rx_segment_outoforder);
1184 host_stats->tcprx_window_probe =
1185 le64_to_cpu(ql_iscsi_stats->tcp_rx_window_probe);
1186 host_stats->tcprx_window_update =
1187 le64_to_cpu(ql_iscsi_stats->tcp_rx_window_update);
1188 host_stats->tcptx_window_probe_persist =
1189 le64_to_cpu(ql_iscsi_stats->tcp_tx_window_probe_persist);
1190 host_stats->ecc_error_correction =
1191 le64_to_cpu(ql_iscsi_stats->ecc_error_correction);
1192 host_stats->iscsi_pdu_tx = le64_to_cpu(ql_iscsi_stats->iscsi_pdu_tx);
1193 host_stats->iscsi_data_bytes_tx =
1194 le64_to_cpu(ql_iscsi_stats->iscsi_data_bytes_tx);
1195 host_stats->iscsi_pdu_rx = le64_to_cpu(ql_iscsi_stats->iscsi_pdu_rx);
1196 host_stats->iscsi_data_bytes_rx =
1197 le64_to_cpu(ql_iscsi_stats->iscsi_data_bytes_rx);
1198 host_stats->iscsi_io_completed =
1199 le64_to_cpu(ql_iscsi_stats->iscsi_io_completed);
1200 host_stats->iscsi_unexpected_io_rx =
1201 le64_to_cpu(ql_iscsi_stats->iscsi_unexpected_io_rx);
1202 host_stats->iscsi_format_error =
1203 le64_to_cpu(ql_iscsi_stats->iscsi_format_error);
1204 host_stats->iscsi_hdr_digest_error =
1205 le64_to_cpu(ql_iscsi_stats->iscsi_hdr_digest_error);
1206 host_stats->iscsi_data_digest_error =
1207 le64_to_cpu(ql_iscsi_stats->iscsi_data_digest_error);
1208 host_stats->iscsi_sequence_error =
1209 le64_to_cpu(ql_iscsi_stats->iscsi_sequence_error);
1210exit_host_stats:
1211 if (ql_iscsi_stats)
1212 dma_free_coherent(&ha->pdev->dev, host_stats_size,
1213 ql_iscsi_stats, iscsi_stats_dma);
1214
1215 ql4_printk(KERN_INFO, ha, "%s: Get host stats done\n",
1216 __func__);
1217 return ret;
1218}
1219
Vikas Chaudharyed1086e2011-07-25 13:48:41 -0500[diff] [blame]1220static int qla4xxx_get_iface_param(struct iscsi_iface *iface,
1221 enum iscsi_param_type param_type,
1222 int param, char *buf)
1223{
1224 struct Scsi_Host *shost = iscsi_iface_to_shost(iface);
1225 struct scsi_qla_host *ha = to_qla_host(shost);
Harish Zunjarraof8e93412013-10-18 09:01:42 -0400[diff] [blame]1226 int ival;
1227 char *pval = NULL;
Vikas Chaudharyed1086e2011-07-25 13:48:41 -0500[diff] [blame]1228 int len = -ENOSYS;
1229
Harish Zunjarraof8e93412013-10-18 09:01:42 -0400[diff] [blame]1230 if (param_type == ISCSI_NET_PARAM) {
1231 switch (param) {
1232 case ISCSI_NET_PARAM_IPV4_ADDR:
1233 len = sprintf(buf, "%pI4\n", &ha->ip_config.ip_address);
1234 break;
1235 case ISCSI_NET_PARAM_IPV4_SUBNET:
1236 len = sprintf(buf, "%pI4\n",
1237 &ha->ip_config.subnet_mask);
1238 break;
1239 case ISCSI_NET_PARAM_IPV4_GW:
1240 len = sprintf(buf, "%pI4\n", &ha->ip_config.gateway);
1241 break;
1242 case ISCSI_NET_PARAM_IFACE_ENABLE:
1243 if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) {
1244 OP_STATE(ha->ip_config.ipv4_options,
1245 IPOPT_IPV4_PROTOCOL_ENABLE, pval);
1246 } else {
1247 OP_STATE(ha->ip_config.ipv6_options,
1248 IPV6_OPT_IPV6_PROTOCOL_ENABLE, pval);
1249 }
Vikas Chaudharyed1086e2011-07-25 13:48:41 -0500[diff] [blame]1250
Harish Zunjarraof8e93412013-10-18 09:01:42 -0400[diff] [blame]1251 len = sprintf(buf, "%s\n", pval);
1252 break;
1253 case ISCSI_NET_PARAM_IPV4_BOOTPROTO:
Vikas Chaudharyed1086e2011-07-25 13:48:41 -0500[diff] [blame]1254 len = sprintf(buf, "%s\n",
Harish Zunjarraof8e93412013-10-18 09:01:42 -0400[diff] [blame]1255 (ha->ip_config.tcp_options &
1256 TCPOPT_DHCP_ENABLE) ?
1257 "dhcp" : "static");
1258 break;
1259 case ISCSI_NET_PARAM_IPV6_ADDR:
1260 if (iface->iface_num == 0)
1261 len = sprintf(buf, "%pI6\n",
1262 &ha->ip_config.ipv6_addr0);
1263 if (iface->iface_num == 1)
1264 len = sprintf(buf, "%pI6\n",
1265 &ha->ip_config.ipv6_addr1);
1266 break;
1267 case ISCSI_NET_PARAM_IPV6_LINKLOCAL:
1268 len = sprintf(buf, "%pI6\n",
1269 &ha->ip_config.ipv6_link_local_addr);
1270 break;
1271 case ISCSI_NET_PARAM_IPV6_ROUTER:
1272 len = sprintf(buf, "%pI6\n",
1273 &ha->ip_config.ipv6_default_router_addr);
1274 break;
1275 case ISCSI_NET_PARAM_IPV6_ADDR_AUTOCFG:
1276 pval = (ha->ip_config.ipv6_addl_options &
1277 IPV6_ADDOPT_NEIGHBOR_DISCOVERY_ADDR_ENABLE) ?
1278 "nd" : "static";
1279
1280 len = sprintf(buf, "%s\n", pval);
1281 break;
1282 case ISCSI_NET_PARAM_IPV6_LINKLOCAL_AUTOCFG:
1283 pval = (ha->ip_config.ipv6_addl_options &
1284 IPV6_ADDOPT_AUTOCONFIG_LINK_LOCAL_ADDR) ?
1285 "auto" : "static";
1286
1287 len = sprintf(buf, "%s\n", pval);
1288 break;
1289 case ISCSI_NET_PARAM_VLAN_ID:
1290 if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4)
1291 ival = ha->ip_config.ipv4_vlan_tag &
1292 ISCSI_MAX_VLAN_ID;
1293 else
1294 ival = ha->ip_config.ipv6_vlan_tag &
1295 ISCSI_MAX_VLAN_ID;
1296
1297 len = sprintf(buf, "%d\n", ival);
1298 break;
1299 case ISCSI_NET_PARAM_VLAN_PRIORITY:
1300 if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4)
1301 ival = (ha->ip_config.ipv4_vlan_tag >> 13) &
1302 ISCSI_MAX_VLAN_PRIORITY;
1303 else
1304 ival = (ha->ip_config.ipv6_vlan_tag >> 13) &
1305 ISCSI_MAX_VLAN_PRIORITY;
1306
1307 len = sprintf(buf, "%d\n", ival);
1308 break;
1309 case ISCSI_NET_PARAM_VLAN_ENABLED:
1310 if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) {
1311 OP_STATE(ha->ip_config.ipv4_options,
1312 IPOPT_VLAN_TAGGING_ENABLE, pval);
1313 } else {
1314 OP_STATE(ha->ip_config.ipv6_options,
1315 IPV6_OPT_VLAN_TAGGING_ENABLE, pval);
1316 }
1317 len = sprintf(buf, "%s\n", pval);
1318 break;
1319 case ISCSI_NET_PARAM_MTU:
1320 len = sprintf(buf, "%d\n", ha->ip_config.eth_mtu_size);
1321 break;
1322 case ISCSI_NET_PARAM_PORT:
1323 if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4)
1324 len = sprintf(buf, "%d\n",
1325 ha->ip_config.ipv4_port);
1326 else
1327 len = sprintf(buf, "%d\n",
1328 ha->ip_config.ipv6_port);
1329 break;
1330 case ISCSI_NET_PARAM_IPADDR_STATE:
1331 if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) {
1332 pval = iscsi_get_ipaddress_state_name(
1333 ha->ip_config.ipv4_addr_state);
1334 } else {
1335 if (iface->iface_num == 0)
1336 pval = iscsi_get_ipaddress_state_name(
1337 ha->ip_config.ipv6_addr0_state);
1338 else if (iface->iface_num == 1)
1339 pval = iscsi_get_ipaddress_state_name(
1340 ha->ip_config.ipv6_addr1_state);
1341 }
1342
1343 len = sprintf(buf, "%s\n", pval);
1344 break;
1345 case ISCSI_NET_PARAM_IPV6_LINKLOCAL_STATE:
1346 pval = iscsi_get_ipaddress_state_name(
1347 ha->ip_config.ipv6_link_local_state);
1348 len = sprintf(buf, "%s\n", pval);
1349 break;
1350 case ISCSI_NET_PARAM_IPV6_ROUTER_STATE:
1351 pval = iscsi_get_router_state_name(
1352 ha->ip_config.ipv6_default_router_state);
1353 len = sprintf(buf, "%s\n", pval);
1354 break;
1355 case ISCSI_NET_PARAM_DELAYED_ACK_EN:
1356 if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) {
1357 OP_STATE(~ha->ip_config.tcp_options,
1358 TCPOPT_DELAYED_ACK_DISABLE, pval);
1359 } else {
1360 OP_STATE(~ha->ip_config.ipv6_tcp_options,
1361 IPV6_TCPOPT_DELAYED_ACK_DISABLE, pval);
1362 }
1363 len = sprintf(buf, "%s\n", pval);
1364 break;
1365 case ISCSI_NET_PARAM_TCP_NAGLE_DISABLE:
1366 if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) {
1367 OP_STATE(~ha->ip_config.tcp_options,
1368 TCPOPT_NAGLE_ALGO_DISABLE, pval);
1369 } else {
1370 OP_STATE(~ha->ip_config.ipv6_tcp_options,
1371 IPV6_TCPOPT_NAGLE_ALGO_DISABLE, pval);
1372 }
1373 len = sprintf(buf, "%s\n", pval);
1374 break;
1375 case ISCSI_NET_PARAM_TCP_WSF_DISABLE:
1376 if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) {
1377 OP_STATE(~ha->ip_config.tcp_options,
1378 TCPOPT_WINDOW_SCALE_DISABLE, pval);
1379 } else {
1380 OP_STATE(~ha->ip_config.ipv6_tcp_options,
1381 IPV6_TCPOPT_WINDOW_SCALE_DISABLE,
1382 pval);
1383 }
1384 len = sprintf(buf, "%s\n", pval);
1385 break;
1386 case ISCSI_NET_PARAM_TCP_WSF:
1387 if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4)
1388 len = sprintf(buf, "%d\n",
1389 ha->ip_config.tcp_wsf);
1390 else
1391 len = sprintf(buf, "%d\n",
1392 ha->ip_config.ipv6_tcp_wsf);
1393 break;
1394 case ISCSI_NET_PARAM_TCP_TIMER_SCALE:
1395 if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4)
1396 ival = (ha->ip_config.tcp_options &
1397 TCPOPT_TIMER_SCALE) >> 1;
1398 else
1399 ival = (ha->ip_config.ipv6_tcp_options &
1400 IPV6_TCPOPT_TIMER_SCALE) >> 1;
1401
1402 len = sprintf(buf, "%d\n", ival);
1403 break;
1404 case ISCSI_NET_PARAM_TCP_TIMESTAMP_EN:
1405 if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) {
1406 OP_STATE(ha->ip_config.tcp_options,
1407 TCPOPT_TIMESTAMP_ENABLE, pval);
1408 } else {
1409 OP_STATE(ha->ip_config.ipv6_tcp_options,
1410 IPV6_TCPOPT_TIMESTAMP_EN, pval);
1411 }
1412 len = sprintf(buf, "%s\n", pval);
1413 break;
1414 case ISCSI_NET_PARAM_CACHE_ID:
1415 if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4)
1416 len = sprintf(buf, "%d\n",
1417 ha->ip_config.ipv4_cache_id);
1418 else
1419 len = sprintf(buf, "%d\n",
1420 ha->ip_config.ipv6_cache_id);
1421 break;
1422 case ISCSI_NET_PARAM_IPV4_DHCP_DNS_ADDR_EN:
1423 OP_STATE(ha->ip_config.tcp_options,
1424 TCPOPT_DNS_SERVER_IP_EN, pval);
1425
1426 len = sprintf(buf, "%s\n", pval);
1427 break;
1428 case ISCSI_NET_PARAM_IPV4_DHCP_SLP_DA_EN:
1429 OP_STATE(ha->ip_config.tcp_options,
1430 TCPOPT_SLP_DA_INFO_EN, pval);
1431
1432 len = sprintf(buf, "%s\n", pval);
1433 break;
1434 case ISCSI_NET_PARAM_IPV4_TOS_EN:
1435 OP_STATE(ha->ip_config.ipv4_options,
1436 IPOPT_IPV4_TOS_EN, pval);
1437
1438 len = sprintf(buf, "%s\n", pval);
1439 break;
1440 case ISCSI_NET_PARAM_IPV4_TOS:
1441 len = sprintf(buf, "%d\n", ha->ip_config.ipv4_tos);
1442 break;
1443 case ISCSI_NET_PARAM_IPV4_GRAT_ARP_EN:
1444 OP_STATE(ha->ip_config.ipv4_options,
1445 IPOPT_GRAT_ARP_EN, pval);
1446
1447 len = sprintf(buf, "%s\n", pval);
1448 break;
1449 case ISCSI_NET_PARAM_IPV4_DHCP_ALT_CLIENT_ID_EN:
1450 OP_STATE(ha->ip_config.ipv4_options, IPOPT_ALT_CID_EN,
1451 pval);
1452
1453 len = sprintf(buf, "%s\n", pval);
1454 break;
1455 case ISCSI_NET_PARAM_IPV4_DHCP_ALT_CLIENT_ID:
1456 pval = (ha->ip_config.ipv4_alt_cid_len) ?
1457 (char *)ha->ip_config.ipv4_alt_cid : "";
1458
1459 len = sprintf(buf, "%s\n", pval);
1460 break;
1461 case ISCSI_NET_PARAM_IPV4_DHCP_REQ_VENDOR_ID_EN:
1462 OP_STATE(ha->ip_config.ipv4_options,
1463 IPOPT_REQ_VID_EN, pval);
1464
1465 len = sprintf(buf, "%s\n", pval);
1466 break;
1467 case ISCSI_NET_PARAM_IPV4_DHCP_USE_VENDOR_ID_EN:
1468 OP_STATE(ha->ip_config.ipv4_options,
1469 IPOPT_USE_VID_EN, pval);
1470
1471 len = sprintf(buf, "%s\n", pval);
1472 break;
1473 case ISCSI_NET_PARAM_IPV4_DHCP_VENDOR_ID:
1474 pval = (ha->ip_config.ipv4_vid_len) ?
1475 (char *)ha->ip_config.ipv4_vid : "";
1476
1477 len = sprintf(buf, "%s\n", pval);
1478 break;
1479 case ISCSI_NET_PARAM_IPV4_DHCP_LEARN_IQN_EN:
1480 OP_STATE(ha->ip_config.ipv4_options,
1481 IPOPT_LEARN_IQN_EN, pval);
1482
1483 len = sprintf(buf, "%s\n", pval);
1484 break;
1485 case ISCSI_NET_PARAM_IPV4_FRAGMENT_DISABLE:
1486 OP_STATE(~ha->ip_config.ipv4_options,
1487 IPOPT_FRAGMENTATION_DISABLE, pval);
1488
1489 len = sprintf(buf, "%s\n", pval);
1490 break;
1491 case ISCSI_NET_PARAM_IPV4_IN_FORWARD_EN:
1492 OP_STATE(ha->ip_config.ipv4_options,
1493 IPOPT_IN_FORWARD_EN, pval);
1494
1495 len = sprintf(buf, "%s\n", pval);
1496 break;
1497 case ISCSI_NET_PARAM_REDIRECT_EN:
1498 if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) {
1499 OP_STATE(ha->ip_config.ipv4_options,
1500 IPOPT_ARP_REDIRECT_EN, pval);
1501 } else {
1502 OP_STATE(ha->ip_config.ipv6_options,
1503 IPV6_OPT_REDIRECT_EN, pval);
1504 }
1505 len = sprintf(buf, "%s\n", pval);
1506 break;
1507 case ISCSI_NET_PARAM_IPV4_TTL:
1508 len = sprintf(buf, "%d\n", ha->ip_config.ipv4_ttl);
1509 break;
1510 case ISCSI_NET_PARAM_IPV6_GRAT_NEIGHBOR_ADV_EN:
1511 OP_STATE(ha->ip_config.ipv6_options,
1512 IPV6_OPT_GRAT_NEIGHBOR_ADV_EN, pval);
1513
1514 len = sprintf(buf, "%s\n", pval);
1515 break;
1516 case ISCSI_NET_PARAM_IPV6_MLD_EN:
1517 OP_STATE(ha->ip_config.ipv6_addl_options,
1518 IPV6_ADDOPT_MLD_EN, pval);
1519
1520 len = sprintf(buf, "%s\n", pval);
1521 break;
1522 case ISCSI_NET_PARAM_IPV6_FLOW_LABEL:
1523 len = sprintf(buf, "%u\n", ha->ip_config.ipv6_flow_lbl);
1524 break;
1525 case ISCSI_NET_PARAM_IPV6_TRAFFIC_CLASS:
Vikas Chaudhary6ac73e82011-07-25 13:48:49 -0500[diff] [blame]1526 len = sprintf(buf, "%d\n",
Harish Zunjarraof8e93412013-10-18 09:01:42 -0400[diff] [blame]1527 ha->ip_config.ipv6_traffic_class);
1528 break;
1529 case ISCSI_NET_PARAM_IPV6_HOP_LIMIT:
Vikas Chaudhary6ac73e82011-07-25 13:48:49 -0500[diff] [blame]1530 len = sprintf(buf, "%d\n",
Harish Zunjarraof8e93412013-10-18 09:01:42 -0400[diff] [blame]1531 ha->ip_config.ipv6_hop_limit);
1532 break;
1533 case ISCSI_NET_PARAM_IPV6_ND_REACHABLE_TMO:
Vikas Chaudhary6ac73e82011-07-25 13:48:49 -0500[diff] [blame]1534 len = sprintf(buf, "%d\n",
Harish Zunjarraof8e93412013-10-18 09:01:42 -0400[diff] [blame]1535 ha->ip_config.ipv6_nd_reach_time);
1536 break;
1537 case ISCSI_NET_PARAM_IPV6_ND_REXMIT_TIME:
Vikas Chaudhary6ac73e82011-07-25 13:48:49 -0500[diff] [blame]1538 len = sprintf(buf, "%d\n",
Harish Zunjarraof8e93412013-10-18 09:01:42 -0400[diff] [blame]1539 ha->ip_config.ipv6_nd_rexmit_timer);
1540 break;
1541 case ISCSI_NET_PARAM_IPV6_ND_STALE_TMO:
1542 len = sprintf(buf, "%d\n",
1543 ha->ip_config.ipv6_nd_stale_timeout);
1544 break;
1545 case ISCSI_NET_PARAM_IPV6_DUP_ADDR_DETECT_CNT:
1546 len = sprintf(buf, "%d\n",
1547 ha->ip_config.ipv6_dup_addr_detect_count);
1548 break;
1549 case ISCSI_NET_PARAM_IPV6_RTR_ADV_LINK_MTU:
1550 len = sprintf(buf, "%d\n",
1551 ha->ip_config.ipv6_gw_advrt_mtu);
1552 break;
1553 default:
1554 len = -ENOSYS;
1555 }
1556 } else if (param_type == ISCSI_IFACE_PARAM) {
1557 switch (param) {
1558 case ISCSI_IFACE_PARAM_DEF_TASKMGMT_TMO:
1559 len = sprintf(buf, "%d\n", ha->ip_config.def_timeout);
1560 break;
1561 case ISCSI_IFACE_PARAM_HDRDGST_EN:
1562 OP_STATE(ha->ip_config.iscsi_options,
1563 ISCSIOPTS_HEADER_DIGEST_EN, pval);
1564
1565 len = sprintf(buf, "%s\n", pval);
1566 break;
1567 case ISCSI_IFACE_PARAM_DATADGST_EN:
1568 OP_STATE(ha->ip_config.iscsi_options,
1569 ISCSIOPTS_DATA_DIGEST_EN, pval);
1570
1571 len = sprintf(buf, "%s\n", pval);
1572 break;
1573 case ISCSI_IFACE_PARAM_IMM_DATA_EN:
1574 OP_STATE(ha->ip_config.iscsi_options,
1575 ISCSIOPTS_IMMEDIATE_DATA_EN, pval);
1576
1577 len = sprintf(buf, "%s\n", pval);
1578 break;
1579 case ISCSI_IFACE_PARAM_INITIAL_R2T_EN:
1580 OP_STATE(ha->ip_config.iscsi_options,
1581 ISCSIOPTS_INITIAL_R2T_EN, pval);
1582
1583 len = sprintf(buf, "%s\n", pval);
1584 break;
1585 case ISCSI_IFACE_PARAM_DATASEQ_INORDER_EN:
1586 OP_STATE(ha->ip_config.iscsi_options,
1587 ISCSIOPTS_DATA_SEQ_INORDER_EN, pval);
1588
1589 len = sprintf(buf, "%s\n", pval);
1590 break;
1591 case ISCSI_IFACE_PARAM_PDU_INORDER_EN:
1592 OP_STATE(ha->ip_config.iscsi_options,
1593 ISCSIOPTS_DATA_PDU_INORDER_EN, pval);
1594
1595 len = sprintf(buf, "%s\n", pval);
1596 break;
1597 case ISCSI_IFACE_PARAM_ERL:
1598 len = sprintf(buf, "%d\n",
1599 (ha->ip_config.iscsi_options &
1600 ISCSIOPTS_ERL));
1601 break;
1602 case ISCSI_IFACE_PARAM_MAX_RECV_DLENGTH:
1603 len = sprintf(buf, "%u\n",
1604 ha->ip_config.iscsi_max_pdu_size *
1605 BYTE_UNITS);
1606 break;
1607 case ISCSI_IFACE_PARAM_FIRST_BURST:
1608 len = sprintf(buf, "%u\n",
1609 ha->ip_config.iscsi_first_burst_len *
1610 BYTE_UNITS);
1611 break;
1612 case ISCSI_IFACE_PARAM_MAX_R2T:
1613 len = sprintf(buf, "%d\n",
1614 ha->ip_config.iscsi_max_outstnd_r2t);
1615 break;
1616 case ISCSI_IFACE_PARAM_MAX_BURST:
1617 len = sprintf(buf, "%u\n",
1618 ha->ip_config.iscsi_max_burst_len *
1619 BYTE_UNITS);
1620 break;
1621 case ISCSI_IFACE_PARAM_CHAP_AUTH_EN:
1622 OP_STATE(ha->ip_config.iscsi_options,
1623 ISCSIOPTS_CHAP_AUTH_EN, pval);
1624
1625 len = sprintf(buf, "%s\n", pval);
1626 break;
1627 case ISCSI_IFACE_PARAM_BIDI_CHAP_EN:
1628 OP_STATE(ha->ip_config.iscsi_options,
1629 ISCSIOPTS_BIDI_CHAP_EN, pval);
1630
1631 len = sprintf(buf, "%s\n", pval);
1632 break;
1633 case ISCSI_IFACE_PARAM_DISCOVERY_AUTH_OPTIONAL:
1634 OP_STATE(ha->ip_config.iscsi_options,
1635 ISCSIOPTS_DISCOVERY_AUTH_EN, pval);
1636
1637 len = sprintf(buf, "%s\n", pval);
1638 break;
1639 case ISCSI_IFACE_PARAM_DISCOVERY_LOGOUT_EN:
1640 OP_STATE(ha->ip_config.iscsi_options,
1641 ISCSIOPTS_DISCOVERY_LOGOUT_EN, pval);
1642
1643 len = sprintf(buf, "%s\n", pval);
1644 break;
1645 case ISCSI_IFACE_PARAM_STRICT_LOGIN_COMP_EN:
1646 OP_STATE(ha->ip_config.iscsi_options,
1647 ISCSIOPTS_STRICT_LOGIN_COMP_EN, pval);
1648
1649 len = sprintf(buf, "%s\n", pval);
1650 break;
1651 case ISCSI_IFACE_PARAM_INITIATOR_NAME:
1652 len = sprintf(buf, "%s\n", ha->ip_config.iscsi_name);
1653 break;
1654 default:
1655 len = -ENOSYS;
1656 }
Vikas Chaudharyed1086e2011-07-25 13:48:41 -0500[diff] [blame]1657 }
1658
1659 return len;
1660}
1661
Manish Rangankarb3a271a2011-07-25 13:48:53 -0500[diff] [blame]1662static struct iscsi_endpoint *
1663qla4xxx_ep_connect(struct Scsi_Host *shost, struct sockaddr *dst_addr,
1664 int non_blocking)
1665{
1666 int ret;
1667 struct iscsi_endpoint *ep;
1668 struct qla_endpoint *qla_ep;
1669 struct scsi_qla_host *ha;
1670 struct sockaddr_in *addr;
1671 struct sockaddr_in6 *addr6;
1672
1673 DEBUG2(printk(KERN_INFO "Func: %s\n", __func__));
1674 if (!shost) {
1675 ret = -ENXIO;
1676 printk(KERN_ERR "%s: shost is NULL\n",
1677 __func__);
1678 return ERR_PTR(ret);
1679 }
1680
1681 ha = iscsi_host_priv(shost);
1682
1683 ep = iscsi_create_endpoint(sizeof(struct qla_endpoint));
1684 if (!ep) {
1685 ret = -ENOMEM;
1686 return ERR_PTR(ret);
1687 }
1688
1689 qla_ep = ep->dd_data;
1690 memset(qla_ep, 0, sizeof(struct qla_endpoint));
1691 if (dst_addr->sa_family == AF_INET) {
1692 memcpy(&qla_ep->dst_addr, dst_addr, sizeof(struct sockaddr_in));
1693 addr = (struct sockaddr_in *)&qla_ep->dst_addr;
1694 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: %pI4\n", __func__,
1695 (char *)&addr->sin_addr));
1696 } else if (dst_addr->sa_family == AF_INET6) {
1697 memcpy(&qla_ep->dst_addr, dst_addr,
1698 sizeof(struct sockaddr_in6));
1699 addr6 = (struct sockaddr_in6 *)&qla_ep->dst_addr;
1700 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: %pI6\n", __func__,
1701 (char *)&addr6->sin6_addr));
1702 }
1703
1704 qla_ep->host = shost;
1705
1706 return ep;
1707}
1708
1709static int qla4xxx_ep_poll(struct iscsi_endpoint *ep, int timeout_ms)
1710{
1711 struct qla_endpoint *qla_ep;
1712 struct scsi_qla_host *ha;
1713 int ret = 0;
1714
1715 DEBUG2(printk(KERN_INFO "Func: %s\n", __func__));
1716 qla_ep = ep->dd_data;
1717 ha = to_qla_host(qla_ep->host);
1718
Mike Christie13483732011-12-01 21:38:41 -0600[diff] [blame]1719 if (adapter_up(ha) && !test_bit(AF_BUILD_DDB_LIST, &ha->flags))
Manish Rangankarb3a271a2011-07-25 13:48:53 -0500[diff] [blame]1720 ret = 1;
1721
1722 return ret;
1723}
1724
1725static void qla4xxx_ep_disconnect(struct iscsi_endpoint *ep)
1726{
1727 DEBUG2(printk(KERN_INFO "Func: %s\n", __func__));
1728 iscsi_destroy_endpoint(ep);
1729}
1730
1731static int qla4xxx_get_ep_param(struct iscsi_endpoint *ep,
1732 enum iscsi_param param,
1733 char *buf)
1734{
1735 struct qla_endpoint *qla_ep = ep->dd_data;
1736 struct sockaddr *dst_addr;
1737
1738 DEBUG2(printk(KERN_INFO "Func: %s\n", __func__));
1739
1740 switch (param) {
1741 case ISCSI_PARAM_CONN_PORT:
1742 case ISCSI_PARAM_CONN_ADDRESS:
1743 if (!qla_ep)
1744 return -ENOTCONN;
1745
1746 dst_addr = (struct sockaddr *)&qla_ep->dst_addr;
1747 if (!dst_addr)
1748 return -ENOTCONN;
1749
1750 return iscsi_conn_get_addr_param((struct sockaddr_storage *)
1751 &qla_ep->dst_addr, param, buf);
1752 default:
1753 return -ENOSYS;
1754 }
1755}
1756
1757static void qla4xxx_conn_get_stats(struct iscsi_cls_conn *cls_conn,
1758 struct iscsi_stats *stats)
1759{
1760 struct iscsi_session *sess;
1761 struct iscsi_cls_session *cls_sess;
1762 struct ddb_entry *ddb_entry;
1763 struct scsi_qla_host *ha;
1764 struct ql_iscsi_stats *ql_iscsi_stats;
1765 int stats_size;
1766 int ret;
1767 dma_addr_t iscsi_stats_dma;
1768
1769 DEBUG2(printk(KERN_INFO "Func: %s\n", __func__));
1770
1771 cls_sess = iscsi_conn_to_session(cls_conn);
1772 sess = cls_sess->dd_data;
1773 ddb_entry = sess->dd_data;
1774 ha = ddb_entry->ha;
1775
1776 stats_size = PAGE_ALIGN(sizeof(struct ql_iscsi_stats));
1777 /* Allocate memory */
1778 ql_iscsi_stats = dma_alloc_coherent(&ha->pdev->dev, stats_size,
1779 &iscsi_stats_dma, GFP_KERNEL);
1780 if (!ql_iscsi_stats) {
1781 ql4_printk(KERN_ERR, ha,
1782 "Unable to allocate memory for iscsi stats\n");
1783 goto exit_get_stats;
1784 }
1785
1786 ret = qla4xxx_get_mgmt_data(ha, ddb_entry->fw_ddb_index, stats_size,
1787 iscsi_stats_dma);
1788 if (ret != QLA_SUCCESS) {
1789 ql4_printk(KERN_ERR, ha,
Masanari Iida59e13d42012-04-25 00:24:16 +0900[diff] [blame]1790 "Unable to retrieve iscsi stats\n");
Manish Rangankarb3a271a2011-07-25 13:48:53 -0500[diff] [blame]1791 goto free_stats;
1792 }
1793
1794 /* octets */
1795 stats->txdata_octets = le64_to_cpu(ql_iscsi_stats->tx_data_octets);
1796 stats->rxdata_octets = le64_to_cpu(ql_iscsi_stats->rx_data_octets);
1797 /* xmit pdus */
1798 stats->noptx_pdus = le32_to_cpu(ql_iscsi_stats->tx_nopout_pdus);
1799 stats->scsicmd_pdus = le32_to_cpu(ql_iscsi_stats->tx_scsi_cmd_pdus);
1800 stats->tmfcmd_pdus = le32_to_cpu(ql_iscsi_stats->tx_tmf_cmd_pdus);
1801 stats->login_pdus = le32_to_cpu(ql_iscsi_stats->tx_login_cmd_pdus);
1802 stats->text_pdus = le32_to_cpu(ql_iscsi_stats->tx_text_cmd_pdus);
1803 stats->dataout_pdus = le32_to_cpu(ql_iscsi_stats->tx_scsi_write_pdus);
1804 stats->logout_pdus = le32_to_cpu(ql_iscsi_stats->tx_logout_cmd_pdus);
1805 stats->snack_pdus = le32_to_cpu(ql_iscsi_stats->tx_snack_req_pdus);
1806 /* recv pdus */
1807 stats->noprx_pdus = le32_to_cpu(ql_iscsi_stats->rx_nopin_pdus);
1808 stats->scsirsp_pdus = le32_to_cpu(ql_iscsi_stats->rx_scsi_resp_pdus);
1809 stats->tmfrsp_pdus = le32_to_cpu(ql_iscsi_stats->rx_tmf_resp_pdus);
1810 stats->textrsp_pdus = le32_to_cpu(ql_iscsi_stats->rx_text_resp_pdus);
1811 stats->datain_pdus = le32_to_cpu(ql_iscsi_stats->rx_scsi_read_pdus);
1812 stats->logoutrsp_pdus =
1813 le32_to_cpu(ql_iscsi_stats->rx_logout_resp_pdus);
1814 stats->r2t_pdus = le32_to_cpu(ql_iscsi_stats->rx_r2t_pdus);
1815 stats->async_pdus = le32_to_cpu(ql_iscsi_stats->rx_async_pdus);
1816 stats->rjt_pdus = le32_to_cpu(ql_iscsi_stats->rx_reject_pdus);
1817
1818free_stats:
1819 dma_free_coherent(&ha->pdev->dev, stats_size, ql_iscsi_stats,
1820 iscsi_stats_dma);
1821exit_get_stats:
1822 return;
1823}
1824
Mike Christie5c656af2009-07-15 15:02:59 -0500[diff] [blame]1825static enum blk_eh_timer_return qla4xxx_eh_cmd_timed_out(struct scsi_cmnd *sc)
1826{
1827 struct iscsi_cls_session *session;
Manish Rangankarb3a271a2011-07-25 13:48:53 -0500[diff] [blame]1828 struct iscsi_session *sess;
1829 unsigned long flags;
1830 enum blk_eh_timer_return ret = BLK_EH_NOT_HANDLED;
Mike Christie5c656af2009-07-15 15:02:59 -0500[diff] [blame]1831
1832 session = starget_to_session(scsi_target(sc->device));
Manish Rangankarb3a271a2011-07-25 13:48:53 -0500[diff] [blame]1833 sess = session->dd_data;
Mike Christie5c656af2009-07-15 15:02:59 -0500[diff] [blame]1834
Manish Rangankarb3a271a2011-07-25 13:48:53 -0500[diff] [blame]1835 spin_lock_irqsave(&session->lock, flags);
1836 if (session->state == ISCSI_SESSION_FAILED)
1837 ret = BLK_EH_RESET_TIMER;
1838 spin_unlock_irqrestore(&session->lock, flags);
Mike Christie5c656af2009-07-15 15:02:59 -0500[diff] [blame]1839
Manish Rangankarb3a271a2011-07-25 13:48:53 -0500[diff] [blame]1840 return ret;
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]1841}
1842
Vikas Chaudhary3254dbe2012-01-19 03:06:56 -0800[diff] [blame]1843static void qla4xxx_set_port_speed(struct Scsi_Host *shost)
1844{
1845 struct scsi_qla_host *ha = to_qla_host(shost);
Vikas Chaudharye16d1662012-03-02 01:55:31 -0800[diff] [blame]1846 struct iscsi_cls_host *ihost = shost->shost_data;
Vikas Chaudhary3254dbe2012-01-19 03:06:56 -0800[diff] [blame]1847 uint32_t speed = ISCSI_PORT_SPEED_UNKNOWN;
1848
1849 qla4xxx_get_firmware_state(ha);
1850
1851 switch (ha->addl_fw_state & 0x0F00) {
1852 case FW_ADDSTATE_LINK_SPEED_10MBPS:
1853 speed = ISCSI_PORT_SPEED_10MBPS;
1854 break;
1855 case FW_ADDSTATE_LINK_SPEED_100MBPS:
1856 speed = ISCSI_PORT_SPEED_100MBPS;
1857 break;
1858 case FW_ADDSTATE_LINK_SPEED_1GBPS:
1859 speed = ISCSI_PORT_SPEED_1GBPS;
1860 break;
1861 case FW_ADDSTATE_LINK_SPEED_10GBPS:
1862 speed = ISCSI_PORT_SPEED_10GBPS;
1863 break;
1864 }
1865 ihost->port_speed = speed;
1866}
1867
1868static void qla4xxx_set_port_state(struct Scsi_Host *shost)
1869{
1870 struct scsi_qla_host *ha = to_qla_host(shost);
Vikas Chaudharye16d1662012-03-02 01:55:31 -0800[diff] [blame]1871 struct iscsi_cls_host *ihost = shost->shost_data;
Vikas Chaudhary3254dbe2012-01-19 03:06:56 -0800[diff] [blame]1872 uint32_t state = ISCSI_PORT_STATE_DOWN;
1873
1874 if (test_bit(AF_LINK_UP, &ha->flags))
1875 state = ISCSI_PORT_STATE_UP;
1876
1877 ihost->port_state = state;
1878}
1879
Mike Christieaa1e93a2007-05-30 12:57:09 -0500[diff] [blame]1880static int qla4xxx_host_get_param(struct Scsi_Host *shost,
1881 enum iscsi_host_param param, char *buf)
1882{
1883 struct scsi_qla_host *ha = to_qla_host(shost);
1884 int len;
1885
1886 switch (param) {
1887 case ISCSI_HOST_PARAM_HWADDRESS:
Michael Chan7ffc49a2007-12-24 21:28:09 -0800[diff] [blame]1888 len = sysfs_format_mac(buf, ha->my_mac, MAC_ADDR_LEN);
Mike Christieaa1e93a2007-05-30 12:57:09 -0500[diff] [blame]1889 break;
Mike Christie22236962007-05-30 12:57:24 -0500[diff] [blame]1890 case ISCSI_HOST_PARAM_IPADDRESS:
Vikas Chaudhary2bab08f2011-07-25 13:48:39 -0500[diff] [blame]1891 len = sprintf(buf, "%pI4\n", &ha->ip_config.ip_address);
Mike Christie22236962007-05-30 12:57:24 -0500[diff] [blame]1892 break;
Mike Christie8ad57812007-05-30 12:57:13 -0500[diff] [blame]1893 case ISCSI_HOST_PARAM_INITIATOR_NAME:
Mike Christie22236962007-05-30 12:57:24 -0500[diff] [blame]1894 len = sprintf(buf, "%s\n", ha->name_string);
Mike Christie8ad57812007-05-30 12:57:13 -0500[diff] [blame]1895 break;
Vikas Chaudhary3254dbe2012-01-19 03:06:56 -0800[diff] [blame]1896 case ISCSI_HOST_PARAM_PORT_STATE:
1897 qla4xxx_set_port_state(shost);
1898 len = sprintf(buf, "%s\n", iscsi_get_port_state_name(shost));
1899 break;
1900 case ISCSI_HOST_PARAM_PORT_SPEED:
1901 qla4xxx_set_port_speed(shost);
1902 len = sprintf(buf, "%s\n", iscsi_get_port_speed_name(shost));
1903 break;
Mike Christieaa1e93a2007-05-30 12:57:09 -0500[diff] [blame]1904 default:
1905 return -ENOSYS;
1906 }
1907
1908 return len;
1909}
1910
Vikas Chaudharyed1086e2011-07-25 13:48:41 -0500[diff] [blame]1911static void qla4xxx_create_ipv4_iface(struct scsi_qla_host *ha)
1912{
1913 if (ha->iface_ipv4)
1914 return;
1915
1916 /* IPv4 */
1917 ha->iface_ipv4 = iscsi_create_iface(ha->host,
1918 &qla4xxx_iscsi_transport,
1919 ISCSI_IFACE_TYPE_IPV4, 0, 0);
1920 if (!ha->iface_ipv4)
1921 ql4_printk(KERN_ERR, ha, "Could not create IPv4 iSCSI "
1922 "iface0.\n");
1923}
1924
1925static void qla4xxx_create_ipv6_iface(struct scsi_qla_host *ha)
1926{
1927 if (!ha->iface_ipv6_0)
1928 /* IPv6 iface-0 */
1929 ha->iface_ipv6_0 = iscsi_create_iface(ha->host,
1930 &qla4xxx_iscsi_transport,
1931 ISCSI_IFACE_TYPE_IPV6, 0,
1932 0);
1933 if (!ha->iface_ipv6_0)
1934 ql4_printk(KERN_ERR, ha, "Could not create IPv6 iSCSI "
1935 "iface0.\n");
1936
1937 if (!ha->iface_ipv6_1)
1938 /* IPv6 iface-1 */
1939 ha->iface_ipv6_1 = iscsi_create_iface(ha->host,
1940 &qla4xxx_iscsi_transport,
1941 ISCSI_IFACE_TYPE_IPV6, 1,
1942 0);
1943 if (!ha->iface_ipv6_1)
1944 ql4_printk(KERN_ERR, ha, "Could not create IPv6 iSCSI "
1945 "iface1.\n");
1946}
1947
1948static void qla4xxx_create_ifaces(struct scsi_qla_host *ha)
1949{
1950 if (ha->ip_config.ipv4_options & IPOPT_IPV4_PROTOCOL_ENABLE)
1951 qla4xxx_create_ipv4_iface(ha);
1952
1953 if (ha->ip_config.ipv6_options & IPV6_OPT_IPV6_PROTOCOL_ENABLE)
1954 qla4xxx_create_ipv6_iface(ha);
1955}
1956
1957static void qla4xxx_destroy_ipv4_iface(struct scsi_qla_host *ha)
1958{
1959 if (ha->iface_ipv4) {
1960 iscsi_destroy_iface(ha->iface_ipv4);
1961 ha->iface_ipv4 = NULL;
1962 }
1963}
1964
1965static void qla4xxx_destroy_ipv6_iface(struct scsi_qla_host *ha)
1966{
1967 if (ha->iface_ipv6_0) {
1968 iscsi_destroy_iface(ha->iface_ipv6_0);
1969 ha->iface_ipv6_0 = NULL;
1970 }
1971 if (ha->iface_ipv6_1) {
1972 iscsi_destroy_iface(ha->iface_ipv6_1);
1973 ha->iface_ipv6_1 = NULL;
1974 }
1975}
1976
1977static void qla4xxx_destroy_ifaces(struct scsi_qla_host *ha)
1978{
1979 qla4xxx_destroy_ipv4_iface(ha);
1980 qla4xxx_destroy_ipv6_iface(ha);
1981}
1982
Mike Christied00efe32011-07-25 13:48:38 -0500[diff] [blame]1983static void qla4xxx_set_ipv6(struct scsi_qla_host *ha,
1984 struct iscsi_iface_param_info *iface_param,
1985 struct addr_ctrl_blk *init_fw_cb)
1986{
1987 /*
1988 * iface_num 0 is valid for IPv6 Addr, linklocal, router, autocfg.
1989 * iface_num 1 is valid only for IPv6 Addr.
1990 */
1991 switch (iface_param->param) {
1992 case ISCSI_NET_PARAM_IPV6_ADDR:
1993 if (iface_param->iface_num & 0x1)
1994 /* IPv6 Addr 1 */
1995 memcpy(init_fw_cb->ipv6_addr1, iface_param->value,
1996 sizeof(init_fw_cb->ipv6_addr1));
1997 else
1998 /* IPv6 Addr 0 */
1999 memcpy(init_fw_cb->ipv6_addr0, iface_param->value,
2000 sizeof(init_fw_cb->ipv6_addr0));
2001 break;
2002 case ISCSI_NET_PARAM_IPV6_LINKLOCAL:
2003 if (iface_param->iface_num & 0x1)
2004 break;
2005 memcpy(init_fw_cb->ipv6_if_id, &iface_param->value[8],
2006 sizeof(init_fw_cb->ipv6_if_id));
2007 break;
2008 case ISCSI_NET_PARAM_IPV6_ROUTER:
2009 if (iface_param->iface_num & 0x1)
2010 break;
2011 memcpy(init_fw_cb->ipv6_dflt_rtr_addr, iface_param->value,
2012 sizeof(init_fw_cb->ipv6_dflt_rtr_addr));
2013 break;
2014 case ISCSI_NET_PARAM_IPV6_ADDR_AUTOCFG:
2015 /* Autocfg applies to even interface */
2016 if (iface_param->iface_num & 0x1)
2017 break;
2018
2019 if (iface_param->value[0] == ISCSI_IPV6_AUTOCFG_DISABLE)
2020 init_fw_cb->ipv6_addtl_opts &=
2021 cpu_to_le16(
2022 ~IPV6_ADDOPT_NEIGHBOR_DISCOVERY_ADDR_ENABLE);
2023 else if (iface_param->value[0] == ISCSI_IPV6_AUTOCFG_ND_ENABLE)
2024 init_fw_cb->ipv6_addtl_opts |=
2025 cpu_to_le16(
2026 IPV6_ADDOPT_NEIGHBOR_DISCOVERY_ADDR_ENABLE);
2027 else
Harish Zunjarraof8e93412013-10-18 09:01:42 -0400[diff] [blame]2028 ql4_printk(KERN_ERR, ha,
2029 "Invalid autocfg setting for IPv6 addr\n");
Mike Christied00efe32011-07-25 13:48:38 -0500[diff] [blame]2030 break;
2031 case ISCSI_NET_PARAM_IPV6_LINKLOCAL_AUTOCFG:
2032 /* Autocfg applies to even interface */
2033 if (iface_param->iface_num & 0x1)
2034 break;
2035
2036 if (iface_param->value[0] ==
2037 ISCSI_IPV6_LINKLOCAL_AUTOCFG_ENABLE)
2038 init_fw_cb->ipv6_addtl_opts |= cpu_to_le16(
2039 IPV6_ADDOPT_AUTOCONFIG_LINK_LOCAL_ADDR);
2040 else if (iface_param->value[0] ==
2041 ISCSI_IPV6_LINKLOCAL_AUTOCFG_DISABLE)
2042 init_fw_cb->ipv6_addtl_opts &= cpu_to_le16(
2043 ~IPV6_ADDOPT_AUTOCONFIG_LINK_LOCAL_ADDR);
2044 else
Harish Zunjarraof8e93412013-10-18 09:01:42 -0400[diff] [blame]2045 ql4_printk(KERN_ERR, ha,
2046 "Invalid autocfg setting for IPv6 linklocal addr\n");
Mike Christied00efe32011-07-25 13:48:38 -0500[diff] [blame]2047 break;
2048 case ISCSI_NET_PARAM_IPV6_ROUTER_AUTOCFG:
2049 /* Autocfg applies to even interface */
2050 if (iface_param->iface_num & 0x1)
2051 break;
2052
2053 if (iface_param->value[0] == ISCSI_IPV6_ROUTER_AUTOCFG_ENABLE)
2054 memset(init_fw_cb->ipv6_dflt_rtr_addr, 0,
2055 sizeof(init_fw_cb->ipv6_dflt_rtr_addr));
2056 break;
2057 case ISCSI_NET_PARAM_IFACE_ENABLE:
Vikas Chaudharyed1086e2011-07-25 13:48:41 -0500[diff] [blame]2058 if (iface_param->value[0] == ISCSI_IFACE_ENABLE) {
Mike Christied00efe32011-07-25 13:48:38 -0500[diff] [blame]2059 init_fw_cb->ipv6_opts |=
2060 cpu_to_le16(IPV6_OPT_IPV6_PROTOCOL_ENABLE);
Vikas Chaudharyed1086e2011-07-25 13:48:41 -0500[diff] [blame]2061 qla4xxx_create_ipv6_iface(ha);
2062 } else {
Mike Christied00efe32011-07-25 13:48:38 -0500[diff] [blame]2063 init_fw_cb->ipv6_opts &=
2064 cpu_to_le16(~IPV6_OPT_IPV6_PROTOCOL_ENABLE &
2065 0xFFFF);
Vikas Chaudharyed1086e2011-07-25 13:48:41 -0500[diff] [blame]2066 qla4xxx_destroy_ipv6_iface(ha);
2067 }
Mike Christied00efe32011-07-25 13:48:38 -0500[diff] [blame]2068 break;
Mike Christie2d636732011-10-11 17:55:11 -0500[diff] [blame]2069 case ISCSI_NET_PARAM_VLAN_TAG:
Mike Christied00efe32011-07-25 13:48:38 -0500[diff] [blame]2070 if (iface_param->len != sizeof(init_fw_cb->ipv6_vlan_tag))
2071 break;
Vikas Chaudhary6ac73e82011-07-25 13:48:49 -0500[diff] [blame]2072 init_fw_cb->ipv6_vlan_tag =
2073 cpu_to_be16(*(uint16_t *)iface_param->value);
2074 break;
2075 case ISCSI_NET_PARAM_VLAN_ENABLED:
2076 if (iface_param->value[0] == ISCSI_VLAN_ENABLE)
2077 init_fw_cb->ipv6_opts |=
2078 cpu_to_le16(IPV6_OPT_VLAN_TAGGING_ENABLE);
2079 else
2080 init_fw_cb->ipv6_opts &=
2081 cpu_to_le16(~IPV6_OPT_VLAN_TAGGING_ENABLE);
Mike Christied00efe32011-07-25 13:48:38 -0500[diff] [blame]2082 break;
Vikas Chaudhary943c1572011-08-01 03:26:13 -0700[diff] [blame]2083 case ISCSI_NET_PARAM_MTU:
2084 init_fw_cb->eth_mtu_size =
2085 cpu_to_le16(*(uint16_t *)iface_param->value);
2086 break;
Vikas Chaudhary2ada7fc2011-08-01 03:26:19 -0700[diff] [blame]2087 case ISCSI_NET_PARAM_PORT:
2088 /* Autocfg applies to even interface */
2089 if (iface_param->iface_num & 0x1)
2090 break;
2091
2092 init_fw_cb->ipv6_port =
2093 cpu_to_le16(*(uint16_t *)iface_param->value);
2094 break;
Harish Zunjarraof8e93412013-10-18 09:01:42 -0400[diff] [blame]2095 case ISCSI_NET_PARAM_DELAYED_ACK_EN:
2096 if (iface_param->iface_num & 0x1)
2097 break;
2098 if (iface_param->value[0] == ISCSI_NET_PARAM_DISABLE)
2099 init_fw_cb->ipv6_tcp_opts |=
2100 cpu_to_le16(IPV6_TCPOPT_DELAYED_ACK_DISABLE);
2101 else
2102 init_fw_cb->ipv6_tcp_opts &=
2103 cpu_to_le16(~IPV6_TCPOPT_DELAYED_ACK_DISABLE);
2104 break;
2105 case ISCSI_NET_PARAM_TCP_NAGLE_DISABLE:
2106 if (iface_param->iface_num & 0x1)
2107 break;
2108 if (iface_param->value[0] == ISCSI_NET_PARAM_DISABLE)
2109 init_fw_cb->ipv6_tcp_opts |=
2110 cpu_to_le16(IPV6_TCPOPT_NAGLE_ALGO_DISABLE);
2111 else
2112 init_fw_cb->ipv6_tcp_opts &=
2113 cpu_to_le16(~IPV6_TCPOPT_NAGLE_ALGO_DISABLE);
2114 break;
2115 case ISCSI_NET_PARAM_TCP_WSF_DISABLE:
2116 if (iface_param->iface_num & 0x1)
2117 break;
2118 if (iface_param->value[0] == ISCSI_NET_PARAM_DISABLE)
2119 init_fw_cb->ipv6_tcp_opts |=
2120 cpu_to_le16(IPV6_TCPOPT_WINDOW_SCALE_DISABLE);
2121 else
2122 init_fw_cb->ipv6_tcp_opts &=
2123 cpu_to_le16(~IPV6_TCPOPT_WINDOW_SCALE_DISABLE);
2124 break;
2125 case ISCSI_NET_PARAM_TCP_WSF:
2126 if (iface_param->iface_num & 0x1)
2127 break;
2128 init_fw_cb->ipv6_tcp_wsf = iface_param->value[0];
2129 break;
2130 case ISCSI_NET_PARAM_TCP_TIMER_SCALE:
2131 if (iface_param->iface_num & 0x1)
2132 break;
2133 init_fw_cb->ipv6_tcp_opts &=
2134 cpu_to_le16(~IPV6_TCPOPT_TIMER_SCALE);
2135 init_fw_cb->ipv6_tcp_opts |=
2136 cpu_to_le16((iface_param->value[0] << 1) &
2137 IPV6_TCPOPT_TIMER_SCALE);
2138 break;
2139 case ISCSI_NET_PARAM_TCP_TIMESTAMP_EN:
2140 if (iface_param->iface_num & 0x1)
2141 break;
2142 if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
2143 init_fw_cb->ipv6_tcp_opts |=
2144 cpu_to_le16(IPV6_TCPOPT_TIMESTAMP_EN);
2145 else
2146 init_fw_cb->ipv6_tcp_opts &=
2147 cpu_to_le16(~IPV6_TCPOPT_TIMESTAMP_EN);
2148 break;
2149 case ISCSI_NET_PARAM_IPV6_GRAT_NEIGHBOR_ADV_EN:
2150 if (iface_param->iface_num & 0x1)
2151 break;
2152 if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
2153 init_fw_cb->ipv6_opts |=
2154 cpu_to_le16(IPV6_OPT_GRAT_NEIGHBOR_ADV_EN);
2155 else
2156 init_fw_cb->ipv6_opts &=
2157 cpu_to_le16(~IPV6_OPT_GRAT_NEIGHBOR_ADV_EN);
2158 break;
2159 case ISCSI_NET_PARAM_REDIRECT_EN:
2160 if (iface_param->iface_num & 0x1)
2161 break;
2162 if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
2163 init_fw_cb->ipv6_opts |=
2164 cpu_to_le16(IPV6_OPT_REDIRECT_EN);
2165 else
2166 init_fw_cb->ipv6_opts &=
2167 cpu_to_le16(~IPV6_OPT_REDIRECT_EN);
2168 break;
2169 case ISCSI_NET_PARAM_IPV6_MLD_EN:
2170 if (iface_param->iface_num & 0x1)
2171 break;
2172 if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
2173 init_fw_cb->ipv6_addtl_opts |=
2174 cpu_to_le16(IPV6_ADDOPT_MLD_EN);
2175 else
2176 init_fw_cb->ipv6_addtl_opts &=
2177 cpu_to_le16(~IPV6_ADDOPT_MLD_EN);
2178 break;
2179 case ISCSI_NET_PARAM_IPV6_FLOW_LABEL:
2180 if (iface_param->iface_num & 0x1)
2181 break;
2182 init_fw_cb->ipv6_flow_lbl =
2183 cpu_to_le16(*(uint16_t *)iface_param->value);
2184 break;
2185 case ISCSI_NET_PARAM_IPV6_TRAFFIC_CLASS:
2186 if (iface_param->iface_num & 0x1)
2187 break;
2188 init_fw_cb->ipv6_traffic_class = iface_param->value[0];
2189 break;
2190 case ISCSI_NET_PARAM_IPV6_HOP_LIMIT:
2191 if (iface_param->iface_num & 0x1)
2192 break;
2193 init_fw_cb->ipv6_hop_limit = iface_param->value[0];
2194 break;
2195 case ISCSI_NET_PARAM_IPV6_ND_REACHABLE_TMO:
2196 if (iface_param->iface_num & 0x1)
2197 break;
2198 init_fw_cb->ipv6_nd_reach_time =
2199 cpu_to_le32(*(uint32_t *)iface_param->value);
2200 break;
2201 case ISCSI_NET_PARAM_IPV6_ND_REXMIT_TIME:
2202 if (iface_param->iface_num & 0x1)
2203 break;
2204 init_fw_cb->ipv6_nd_rexmit_timer =
2205 cpu_to_le32(*(uint32_t *)iface_param->value);
2206 break;
2207 case ISCSI_NET_PARAM_IPV6_ND_STALE_TMO:
2208 if (iface_param->iface_num & 0x1)
2209 break;
2210 init_fw_cb->ipv6_nd_stale_timeout =
2211 cpu_to_le32(*(uint32_t *)iface_param->value);
2212 break;
2213 case ISCSI_NET_PARAM_IPV6_DUP_ADDR_DETECT_CNT:
2214 if (iface_param->iface_num & 0x1)
2215 break;
2216 init_fw_cb->ipv6_dup_addr_detect_count = iface_param->value[0];
2217 break;
2218 case ISCSI_NET_PARAM_IPV6_RTR_ADV_LINK_MTU:
2219 if (iface_param->iface_num & 0x1)
2220 break;
2221 init_fw_cb->ipv6_gw_advrt_mtu =
2222 cpu_to_le32(*(uint32_t *)iface_param->value);
2223 break;
Mike Christied00efe32011-07-25 13:48:38 -0500[diff] [blame]2224 default:
2225 ql4_printk(KERN_ERR, ha, "Unknown IPv6 param = %d\n",
2226 iface_param->param);
2227 break;
2228 }
2229}
2230
2231static void qla4xxx_set_ipv4(struct scsi_qla_host *ha,
2232 struct iscsi_iface_param_info *iface_param,
2233 struct addr_ctrl_blk *init_fw_cb)
2234{
2235 switch (iface_param->param) {
2236 case ISCSI_NET_PARAM_IPV4_ADDR:
2237 memcpy(init_fw_cb->ipv4_addr, iface_param->value,
2238 sizeof(init_fw_cb->ipv4_addr));
2239 break;
2240 case ISCSI_NET_PARAM_IPV4_SUBNET:
2241 memcpy(init_fw_cb->ipv4_subnet, iface_param->value,
2242 sizeof(init_fw_cb->ipv4_subnet));
2243 break;
2244 case ISCSI_NET_PARAM_IPV4_GW:
2245 memcpy(init_fw_cb->ipv4_gw_addr, iface_param->value,
2246 sizeof(init_fw_cb->ipv4_gw_addr));
2247 break;
2248 case ISCSI_NET_PARAM_IPV4_BOOTPROTO:
2249 if (iface_param->value[0] == ISCSI_BOOTPROTO_DHCP)
2250 init_fw_cb->ipv4_tcp_opts |=
2251 cpu_to_le16(TCPOPT_DHCP_ENABLE);
2252 else if (iface_param->value[0] == ISCSI_BOOTPROTO_STATIC)
2253 init_fw_cb->ipv4_tcp_opts &=
2254 cpu_to_le16(~TCPOPT_DHCP_ENABLE);
2255 else
2256 ql4_printk(KERN_ERR, ha, "Invalid IPv4 bootproto\n");
2257 break;
2258 case ISCSI_NET_PARAM_IFACE_ENABLE:
Vikas Chaudharyed1086e2011-07-25 13:48:41 -0500[diff] [blame]2259 if (iface_param->value[0] == ISCSI_IFACE_ENABLE) {
Mike Christied00efe32011-07-25 13:48:38 -0500[diff] [blame]2260 init_fw_cb->ipv4_ip_opts |=
Vikas Chaudhary2bab08f2011-07-25 13:48:39 -0500[diff] [blame]2261 cpu_to_le16(IPOPT_IPV4_PROTOCOL_ENABLE);
Vikas Chaudharyed1086e2011-07-25 13:48:41 -0500[diff] [blame]2262 qla4xxx_create_ipv4_iface(ha);
2263 } else {
Mike Christied00efe32011-07-25 13:48:38 -0500[diff] [blame]2264 init_fw_cb->ipv4_ip_opts &=
Vikas Chaudhary2bab08f2011-07-25 13:48:39 -0500[diff] [blame]2265 cpu_to_le16(~IPOPT_IPV4_PROTOCOL_ENABLE &
Mike Christied00efe32011-07-25 13:48:38 -0500[diff] [blame]2266 0xFFFF);
Vikas Chaudharyed1086e2011-07-25 13:48:41 -0500[diff] [blame]2267 qla4xxx_destroy_ipv4_iface(ha);
2268 }
Mike Christied00efe32011-07-25 13:48:38 -0500[diff] [blame]2269 break;
Mike Christie2d636732011-10-11 17:55:11 -0500[diff] [blame]2270 case ISCSI_NET_PARAM_VLAN_TAG:
Mike Christied00efe32011-07-25 13:48:38 -0500[diff] [blame]2271 if (iface_param->len != sizeof(init_fw_cb->ipv4_vlan_tag))
2272 break;
Vikas Chaudhary6ac73e82011-07-25 13:48:49 -0500[diff] [blame]2273 init_fw_cb->ipv4_vlan_tag =
2274 cpu_to_be16(*(uint16_t *)iface_param->value);
2275 break;
2276 case ISCSI_NET_PARAM_VLAN_ENABLED:
2277 if (iface_param->value[0] == ISCSI_VLAN_ENABLE)
2278 init_fw_cb->ipv4_ip_opts |=
2279 cpu_to_le16(IPOPT_VLAN_TAGGING_ENABLE);
2280 else
2281 init_fw_cb->ipv4_ip_opts &=
2282 cpu_to_le16(~IPOPT_VLAN_TAGGING_ENABLE);
Mike Christied00efe32011-07-25 13:48:38 -0500[diff] [blame]2283 break;
Vikas Chaudhary943c1572011-08-01 03:26:13 -0700[diff] [blame]2284 case ISCSI_NET_PARAM_MTU:
2285 init_fw_cb->eth_mtu_size =
2286 cpu_to_le16(*(uint16_t *)iface_param->value);
2287 break;
Vikas Chaudhary2ada7fc2011-08-01 03:26:19 -0700[diff] [blame]2288 case ISCSI_NET_PARAM_PORT:
2289 init_fw_cb->ipv4_port =
2290 cpu_to_le16(*(uint16_t *)iface_param->value);
2291 break;
Harish Zunjarraof8e93412013-10-18 09:01:42 -0400[diff] [blame]2292 case ISCSI_NET_PARAM_DELAYED_ACK_EN:
2293 if (iface_param->iface_num & 0x1)
2294 break;
2295 if (iface_param->value[0] == ISCSI_NET_PARAM_DISABLE)
2296 init_fw_cb->ipv4_tcp_opts |=
2297 cpu_to_le16(TCPOPT_DELAYED_ACK_DISABLE);
2298 else
2299 init_fw_cb->ipv4_tcp_opts &=
2300 cpu_to_le16(~TCPOPT_DELAYED_ACK_DISABLE);
2301 break;
2302 case ISCSI_NET_PARAM_TCP_NAGLE_DISABLE:
2303 if (iface_param->iface_num & 0x1)
2304 break;
2305 if (iface_param->value[0] == ISCSI_NET_PARAM_DISABLE)
2306 init_fw_cb->ipv4_tcp_opts |=
2307 cpu_to_le16(TCPOPT_NAGLE_ALGO_DISABLE);
2308 else
2309 init_fw_cb->ipv4_tcp_opts &=
2310 cpu_to_le16(~TCPOPT_NAGLE_ALGO_DISABLE);
2311 break;
2312 case ISCSI_NET_PARAM_TCP_WSF_DISABLE:
2313 if (iface_param->iface_num & 0x1)
2314 break;
2315 if (iface_param->value[0] == ISCSI_NET_PARAM_DISABLE)
2316 init_fw_cb->ipv4_tcp_opts |=
2317 cpu_to_le16(TCPOPT_WINDOW_SCALE_DISABLE);
2318 else
2319 init_fw_cb->ipv4_tcp_opts &=
2320 cpu_to_le16(~TCPOPT_WINDOW_SCALE_DISABLE);
2321 break;
2322 case ISCSI_NET_PARAM_TCP_WSF:
2323 if (iface_param->iface_num & 0x1)
2324 break;
2325 init_fw_cb->ipv4_tcp_wsf = iface_param->value[0];
2326 break;
2327 case ISCSI_NET_PARAM_TCP_TIMER_SCALE:
2328 if (iface_param->iface_num & 0x1)
2329 break;
2330 init_fw_cb->ipv4_tcp_opts &= cpu_to_le16(~TCPOPT_TIMER_SCALE);
2331 init_fw_cb->ipv4_tcp_opts |=
2332 cpu_to_le16((iface_param->value[0] << 1) &
2333 TCPOPT_TIMER_SCALE);
2334 break;
2335 case ISCSI_NET_PARAM_TCP_TIMESTAMP_EN:
2336 if (iface_param->iface_num & 0x1)
2337 break;
2338 if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
2339 init_fw_cb->ipv4_tcp_opts |=
2340 cpu_to_le16(TCPOPT_TIMESTAMP_ENABLE);
2341 else
2342 init_fw_cb->ipv4_tcp_opts &=
2343 cpu_to_le16(~TCPOPT_TIMESTAMP_ENABLE);
2344 break;
2345 case ISCSI_NET_PARAM_IPV4_DHCP_DNS_ADDR_EN:
2346 if (iface_param->iface_num & 0x1)
2347 break;
2348 if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
2349 init_fw_cb->ipv4_tcp_opts |=
2350 cpu_to_le16(TCPOPT_DNS_SERVER_IP_EN);
2351 else
2352 init_fw_cb->ipv4_tcp_opts &=
2353 cpu_to_le16(~TCPOPT_DNS_SERVER_IP_EN);
2354 break;
2355 case ISCSI_NET_PARAM_IPV4_DHCP_SLP_DA_EN:
2356 if (iface_param->iface_num & 0x1)
2357 break;
2358 if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
2359 init_fw_cb->ipv4_tcp_opts |=
2360 cpu_to_le16(TCPOPT_SLP_DA_INFO_EN);
2361 else
2362 init_fw_cb->ipv4_tcp_opts &=
2363 cpu_to_le16(~TCPOPT_SLP_DA_INFO_EN);
2364 break;
2365 case ISCSI_NET_PARAM_IPV4_TOS_EN:
2366 if (iface_param->iface_num & 0x1)
2367 break;
2368 if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
2369 init_fw_cb->ipv4_ip_opts |=
2370 cpu_to_le16(IPOPT_IPV4_TOS_EN);
2371 else
2372 init_fw_cb->ipv4_ip_opts &=
2373 cpu_to_le16(~IPOPT_IPV4_TOS_EN);
2374 break;
2375 case ISCSI_NET_PARAM_IPV4_TOS:
2376 if (iface_param->iface_num & 0x1)
2377 break;
2378 init_fw_cb->ipv4_tos = iface_param->value[0];
2379 break;
2380 case ISCSI_NET_PARAM_IPV4_GRAT_ARP_EN:
2381 if (iface_param->iface_num & 0x1)
2382 break;
2383 if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
2384 init_fw_cb->ipv4_ip_opts |=
2385 cpu_to_le16(IPOPT_GRAT_ARP_EN);
2386 else
2387 init_fw_cb->ipv4_ip_opts &=
2388 cpu_to_le16(~IPOPT_GRAT_ARP_EN);
2389 break;
2390 case ISCSI_NET_PARAM_IPV4_DHCP_ALT_CLIENT_ID_EN:
2391 if (iface_param->iface_num & 0x1)
2392 break;
2393 if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
2394 init_fw_cb->ipv4_ip_opts |=
2395 cpu_to_le16(IPOPT_ALT_CID_EN);
2396 else
2397 init_fw_cb->ipv4_ip_opts &=
2398 cpu_to_le16(~IPOPT_ALT_CID_EN);
2399 break;
2400 case ISCSI_NET_PARAM_IPV4_DHCP_ALT_CLIENT_ID:
2401 if (iface_param->iface_num & 0x1)
2402 break;
2403 memcpy(init_fw_cb->ipv4_dhcp_alt_cid, iface_param->value,
2404 (sizeof(init_fw_cb->ipv4_dhcp_alt_cid) - 1));
2405 init_fw_cb->ipv4_dhcp_alt_cid_len =
2406 strlen(init_fw_cb->ipv4_dhcp_alt_cid);
2407 break;
2408 case ISCSI_NET_PARAM_IPV4_DHCP_REQ_VENDOR_ID_EN:
2409 if (iface_param->iface_num & 0x1)
2410 break;
2411 if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
2412 init_fw_cb->ipv4_ip_opts |=
2413 cpu_to_le16(IPOPT_REQ_VID_EN);
2414 else
2415 init_fw_cb->ipv4_ip_opts &=
2416 cpu_to_le16(~IPOPT_REQ_VID_EN);
2417 break;
2418 case ISCSI_NET_PARAM_IPV4_DHCP_USE_VENDOR_ID_EN:
2419 if (iface_param->iface_num & 0x1)
2420 break;
2421 if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
2422 init_fw_cb->ipv4_ip_opts |=
2423 cpu_to_le16(IPOPT_USE_VID_EN);
2424 else
2425 init_fw_cb->ipv4_ip_opts &=
2426 cpu_to_le16(~IPOPT_USE_VID_EN);
2427 break;
2428 case ISCSI_NET_PARAM_IPV4_DHCP_VENDOR_ID:
2429 if (iface_param->iface_num & 0x1)
2430 break;
2431 memcpy(init_fw_cb->ipv4_dhcp_vid, iface_param->value,
2432 (sizeof(init_fw_cb->ipv4_dhcp_vid) - 1));
2433 init_fw_cb->ipv4_dhcp_vid_len =
2434 strlen(init_fw_cb->ipv4_dhcp_vid);
2435 break;
2436 case ISCSI_NET_PARAM_IPV4_DHCP_LEARN_IQN_EN:
2437 if (iface_param->iface_num & 0x1)
2438 break;
2439 if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
2440 init_fw_cb->ipv4_ip_opts |=
2441 cpu_to_le16(IPOPT_LEARN_IQN_EN);
2442 else
2443 init_fw_cb->ipv4_ip_opts &=
2444 cpu_to_le16(~IPOPT_LEARN_IQN_EN);
2445 break;
2446 case ISCSI_NET_PARAM_IPV4_FRAGMENT_DISABLE:
2447 if (iface_param->iface_num & 0x1)
2448 break;
2449 if (iface_param->value[0] == ISCSI_NET_PARAM_DISABLE)
2450 init_fw_cb->ipv4_ip_opts |=
2451 cpu_to_le16(IPOPT_FRAGMENTATION_DISABLE);
2452 else
2453 init_fw_cb->ipv4_ip_opts &=
2454 cpu_to_le16(~IPOPT_FRAGMENTATION_DISABLE);
2455 break;
2456 case ISCSI_NET_PARAM_IPV4_IN_FORWARD_EN:
2457 if (iface_param->iface_num & 0x1)
2458 break;
2459 if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
2460 init_fw_cb->ipv4_ip_opts |=
2461 cpu_to_le16(IPOPT_IN_FORWARD_EN);
2462 else
2463 init_fw_cb->ipv4_ip_opts &=
2464 cpu_to_le16(~IPOPT_IN_FORWARD_EN);
2465 break;
2466 case ISCSI_NET_PARAM_REDIRECT_EN:
2467 if (iface_param->iface_num & 0x1)
2468 break;
2469 if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
2470 init_fw_cb->ipv4_ip_opts |=
2471 cpu_to_le16(IPOPT_ARP_REDIRECT_EN);
2472 else
2473 init_fw_cb->ipv4_ip_opts &=
2474 cpu_to_le16(~IPOPT_ARP_REDIRECT_EN);
2475 break;
2476 case ISCSI_NET_PARAM_IPV4_TTL:
2477 if (iface_param->iface_num & 0x1)
2478 break;
2479 init_fw_cb->ipv4_ttl = iface_param->value[0];
2480 break;
Mike Christied00efe32011-07-25 13:48:38 -0500[diff] [blame]2481 default:
2482 ql4_printk(KERN_ERR, ha, "Unknown IPv4 param = %d\n",
2483 iface_param->param);
2484 break;
2485 }
2486}
2487
Harish Zunjarraof8e93412013-10-18 09:01:42 -0400[diff] [blame]2488static void qla4xxx_set_iscsi_param(struct scsi_qla_host *ha,
2489 struct iscsi_iface_param_info *iface_param,
2490 struct addr_ctrl_blk *init_fw_cb)
2491{
2492 switch (iface_param->param) {
2493 case ISCSI_IFACE_PARAM_DEF_TASKMGMT_TMO:
2494 if (iface_param->iface_num & 0x1)
2495 break;
2496 init_fw_cb->def_timeout =
2497 cpu_to_le16(*(uint16_t *)iface_param->value);
2498 break;
2499 case ISCSI_IFACE_PARAM_HDRDGST_EN:
2500 if (iface_param->iface_num & 0x1)
2501 break;
2502 if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
2503 init_fw_cb->iscsi_opts |=
2504 cpu_to_le16(ISCSIOPTS_HEADER_DIGEST_EN);
2505 else
2506 init_fw_cb->iscsi_opts &=
2507 cpu_to_le16(~ISCSIOPTS_HEADER_DIGEST_EN);
2508 break;
2509 case ISCSI_IFACE_PARAM_DATADGST_EN:
2510 if (iface_param->iface_num & 0x1)
2511 break;
2512 if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
2513 init_fw_cb->iscsi_opts |=
2514 cpu_to_le16(ISCSIOPTS_DATA_DIGEST_EN);
2515 else
2516 init_fw_cb->iscsi_opts &=
2517 cpu_to_le16(~ISCSIOPTS_DATA_DIGEST_EN);
2518 break;
2519 case ISCSI_IFACE_PARAM_IMM_DATA_EN:
2520 if (iface_param->iface_num & 0x1)
2521 break;
2522 if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
2523 init_fw_cb->iscsi_opts |=
2524 cpu_to_le16(ISCSIOPTS_IMMEDIATE_DATA_EN);
2525 else
2526 init_fw_cb->iscsi_opts &=
2527 cpu_to_le16(~ISCSIOPTS_IMMEDIATE_DATA_EN);
2528 break;
2529 case ISCSI_IFACE_PARAM_INITIAL_R2T_EN:
2530 if (iface_param->iface_num & 0x1)
2531 break;
2532 if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
2533 init_fw_cb->iscsi_opts |=
2534 cpu_to_le16(ISCSIOPTS_INITIAL_R2T_EN);
2535 else
2536 init_fw_cb->iscsi_opts &=
2537 cpu_to_le16(~ISCSIOPTS_INITIAL_R2T_EN);
2538 break;
2539 case ISCSI_IFACE_PARAM_DATASEQ_INORDER_EN:
2540 if (iface_param->iface_num & 0x1)
2541 break;
2542 if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
2543 init_fw_cb->iscsi_opts |=
2544 cpu_to_le16(ISCSIOPTS_DATA_SEQ_INORDER_EN);
2545 else
2546 init_fw_cb->iscsi_opts &=
2547 cpu_to_le16(~ISCSIOPTS_DATA_SEQ_INORDER_EN);
2548 break;
2549 case ISCSI_IFACE_PARAM_PDU_INORDER_EN:
2550 if (iface_param->iface_num & 0x1)
2551 break;
2552 if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
2553 init_fw_cb->iscsi_opts |=
2554 cpu_to_le16(ISCSIOPTS_DATA_PDU_INORDER_EN);
2555 else
2556 init_fw_cb->iscsi_opts &=
2557 cpu_to_le16(~ISCSIOPTS_DATA_PDU_INORDER_EN);
2558 break;
2559 case ISCSI_IFACE_PARAM_ERL:
2560 if (iface_param->iface_num & 0x1)
2561 break;
2562 init_fw_cb->iscsi_opts &= cpu_to_le16(~ISCSIOPTS_ERL);
2563 init_fw_cb->iscsi_opts |= cpu_to_le16(iface_param->value[0] &
2564 ISCSIOPTS_ERL);
2565 break;
2566 case ISCSI_IFACE_PARAM_MAX_RECV_DLENGTH:
2567 if (iface_param->iface_num & 0x1)
2568 break;
2569 init_fw_cb->iscsi_max_pdu_size =
2570 cpu_to_le32(*(uint32_t *)iface_param->value) /
2571 BYTE_UNITS;
2572 break;
2573 case ISCSI_IFACE_PARAM_FIRST_BURST:
2574 if (iface_param->iface_num & 0x1)
2575 break;
2576 init_fw_cb->iscsi_fburst_len =
2577 cpu_to_le32(*(uint32_t *)iface_param->value) /
2578 BYTE_UNITS;
2579 break;
2580 case ISCSI_IFACE_PARAM_MAX_R2T:
2581 if (iface_param->iface_num & 0x1)
2582 break;
2583 init_fw_cb->iscsi_max_outstnd_r2t =
2584 cpu_to_le16(*(uint16_t *)iface_param->value);
2585 break;
2586 case ISCSI_IFACE_PARAM_MAX_BURST:
2587 if (iface_param->iface_num & 0x1)
2588 break;
2589 init_fw_cb->iscsi_max_burst_len =
2590 cpu_to_le32(*(uint32_t *)iface_param->value) /
2591 BYTE_UNITS;
2592 break;
2593 case ISCSI_IFACE_PARAM_CHAP_AUTH_EN:
2594 if (iface_param->iface_num & 0x1)
2595 break;
2596 if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
2597 init_fw_cb->iscsi_opts |=
2598 cpu_to_le16(ISCSIOPTS_CHAP_AUTH_EN);
2599 else
2600 init_fw_cb->iscsi_opts &=
2601 cpu_to_le16(~ISCSIOPTS_CHAP_AUTH_EN);
2602 break;
2603 case ISCSI_IFACE_PARAM_BIDI_CHAP_EN:
2604 if (iface_param->iface_num & 0x1)
2605 break;
2606 if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
2607 init_fw_cb->iscsi_opts |=
2608 cpu_to_le16(ISCSIOPTS_BIDI_CHAP_EN);
2609 else
2610 init_fw_cb->iscsi_opts &=
2611 cpu_to_le16(~ISCSIOPTS_BIDI_CHAP_EN);
2612 break;
2613 case ISCSI_IFACE_PARAM_DISCOVERY_AUTH_OPTIONAL:
2614 if (iface_param->iface_num & 0x1)
2615 break;
2616 if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
2617 init_fw_cb->iscsi_opts |=
2618 cpu_to_le16(ISCSIOPTS_DISCOVERY_AUTH_EN);
2619 else
2620 init_fw_cb->iscsi_opts &=
2621 cpu_to_le16(~ISCSIOPTS_DISCOVERY_AUTH_EN);
2622 break;
2623 case ISCSI_IFACE_PARAM_DISCOVERY_LOGOUT_EN:
2624 if (iface_param->iface_num & 0x1)
2625 break;
2626 if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
2627 init_fw_cb->iscsi_opts |=
2628 cpu_to_le16(ISCSIOPTS_DISCOVERY_LOGOUT_EN);
2629 else
2630 init_fw_cb->iscsi_opts &=
2631 cpu_to_le16(~ISCSIOPTS_DISCOVERY_LOGOUT_EN);
2632 break;
2633 case ISCSI_IFACE_PARAM_STRICT_LOGIN_COMP_EN:
2634 if (iface_param->iface_num & 0x1)
2635 break;
2636 if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
2637 init_fw_cb->iscsi_opts |=
2638 cpu_to_le16(ISCSIOPTS_STRICT_LOGIN_COMP_EN);
2639 else
2640 init_fw_cb->iscsi_opts &=
2641 cpu_to_le16(~ISCSIOPTS_STRICT_LOGIN_COMP_EN);
2642 break;
2643 default:
2644 ql4_printk(KERN_ERR, ha, "Unknown iscsi param = %d\n",
2645 iface_param->param);
2646 break;
2647 }
2648}
2649
Mike Christied00efe32011-07-25 13:48:38 -0500[diff] [blame]2650static void
2651qla4xxx_initcb_to_acb(struct addr_ctrl_blk *init_fw_cb)
2652{
2653 struct addr_ctrl_blk_def *acb;
2654 acb = (struct addr_ctrl_blk_def *)init_fw_cb;
2655 memset(acb->reserved1, 0, sizeof(acb->reserved1));
2656 memset(acb->reserved2, 0, sizeof(acb->reserved2));
2657 memset(acb->reserved3, 0, sizeof(acb->reserved3));
2658 memset(acb->reserved4, 0, sizeof(acb->reserved4));
2659 memset(acb->reserved5, 0, sizeof(acb->reserved5));
2660 memset(acb->reserved6, 0, sizeof(acb->reserved6));
2661 memset(acb->reserved7, 0, sizeof(acb->reserved7));
2662 memset(acb->reserved8, 0, sizeof(acb->reserved8));
2663 memset(acb->reserved9, 0, sizeof(acb->reserved9));
2664 memset(acb->reserved10, 0, sizeof(acb->reserved10));
2665 memset(acb->reserved11, 0, sizeof(acb->reserved11));
2666 memset(acb->reserved12, 0, sizeof(acb->reserved12));
2667 memset(acb->reserved13, 0, sizeof(acb->reserved13));
2668 memset(acb->reserved14, 0, sizeof(acb->reserved14));
2669 memset(acb->reserved15, 0, sizeof(acb->reserved15));
2670}
2671
2672static int
Mike Christie00c31882011-10-06 03:56:59 -0500[diff] [blame]2673qla4xxx_iface_set_param(struct Scsi_Host *shost, void *data, uint32_t len)
Mike Christied00efe32011-07-25 13:48:38 -0500[diff] [blame]2674{
2675 struct scsi_qla_host *ha = to_qla_host(shost);
2676 int rval = 0;
2677 struct iscsi_iface_param_info *iface_param = NULL;
2678 struct addr_ctrl_blk *init_fw_cb = NULL;
2679 dma_addr_t init_fw_cb_dma;
2680 uint32_t mbox_cmd[MBOX_REG_COUNT];
2681 uint32_t mbox_sts[MBOX_REG_COUNT];
Mike Christie00c31882011-10-06 03:56:59 -0500[diff] [blame]2682 uint32_t rem = len;
2683 struct nlattr *attr;
Mike Christied00efe32011-07-25 13:48:38 -0500[diff] [blame]2684
2685 init_fw_cb = dma_alloc_coherent(&ha->pdev->dev,
2686 sizeof(struct addr_ctrl_blk),
2687 &init_fw_cb_dma, GFP_KERNEL);
2688 if (!init_fw_cb) {
2689 ql4_printk(KERN_ERR, ha, "%s: Unable to alloc init_cb\n",
2690 __func__);
2691 return -ENOMEM;
2692 }
2693
2694 memset(init_fw_cb, 0, sizeof(struct addr_ctrl_blk));
2695 memset(&mbox_cmd, 0, sizeof(mbox_cmd));
2696 memset(&mbox_sts, 0, sizeof(mbox_sts));
2697
2698 if (qla4xxx_get_ifcb(ha, &mbox_cmd[0], &mbox_sts[0], init_fw_cb_dma)) {
2699 ql4_printk(KERN_ERR, ha, "%s: get ifcb failed\n", __func__);
2700 rval = -EIO;
2701 goto exit_init_fw_cb;
2702 }
2703
Mike Christie00c31882011-10-06 03:56:59 -0500[diff] [blame]2704 nla_for_each_attr(attr, data, len, rem) {
2705 iface_param = nla_data(attr);
Mike Christied00efe32011-07-25 13:48:38 -0500[diff] [blame]2706
Harish Zunjarraof8e93412013-10-18 09:01:42 -0400[diff] [blame]2707 if (iface_param->param_type == ISCSI_NET_PARAM) {
2708 switch (iface_param->iface_type) {
2709 case ISCSI_IFACE_TYPE_IPV4:
2710 switch (iface_param->iface_num) {
2711 case 0:
2712 qla4xxx_set_ipv4(ha, iface_param,
2713 init_fw_cb);
2714 break;
2715 default:
Mike Christied00efe32011-07-25 13:48:38 -0500[diff] [blame]2716 /* Cannot have more than one IPv4 interface */
Harish Zunjarraof8e93412013-10-18 09:01:42 -0400[diff] [blame]2717 ql4_printk(KERN_ERR, ha,
2718 "Invalid IPv4 iface number = %d\n",
2719 iface_param->iface_num);
2720 break;
2721 }
Mike Christied00efe32011-07-25 13:48:38 -0500[diff] [blame]2722 break;
Harish Zunjarraof8e93412013-10-18 09:01:42 -0400[diff] [blame]2723 case ISCSI_IFACE_TYPE_IPV6:
2724 switch (iface_param->iface_num) {
2725 case 0:
2726 case 1:
2727 qla4xxx_set_ipv6(ha, iface_param,
2728 init_fw_cb);
2729 break;
2730 default:
2731 /* Cannot have more than two IPv6 interface */
2732 ql4_printk(KERN_ERR, ha,
2733 "Invalid IPv6 iface number = %d\n",
2734 iface_param->iface_num);
2735 break;
2736 }
Mike Christied00efe32011-07-25 13:48:38 -0500[diff] [blame]2737 break;
2738 default:
Harish Zunjarraof8e93412013-10-18 09:01:42 -0400[diff] [blame]2739 ql4_printk(KERN_ERR, ha,
2740 "Invalid iface type\n");
Mike Christied00efe32011-07-25 13:48:38 -0500[diff] [blame]2741 break;
2742 }
Harish Zunjarraof8e93412013-10-18 09:01:42 -0400[diff] [blame]2743 } else if (iface_param->param_type == ISCSI_IFACE_PARAM) {
2744 qla4xxx_set_iscsi_param(ha, iface_param,
2745 init_fw_cb);
2746 } else {
2747 continue;
Mike Christied00efe32011-07-25 13:48:38 -0500[diff] [blame]2748 }
Mike Christied00efe32011-07-25 13:48:38 -0500[diff] [blame]2749 }
2750
2751 init_fw_cb->cookie = cpu_to_le32(0x11BEAD5A);
2752
2753 rval = qla4xxx_set_flash(ha, init_fw_cb_dma, FLASH_SEGMENT_IFCB,
2754 sizeof(struct addr_ctrl_blk),
2755 FLASH_OPT_RMW_COMMIT);
2756 if (rval != QLA_SUCCESS) {
2757 ql4_printk(KERN_ERR, ha, "%s: set flash mbx failed\n",
2758 __func__);
2759 rval = -EIO;
2760 goto exit_init_fw_cb;
2761 }
2762
Vikas Chaudharyce505f92011-12-01 22:42:10 -0800[diff] [blame]2763 rval = qla4xxx_disable_acb(ha);
2764 if (rval != QLA_SUCCESS) {
2765 ql4_printk(KERN_ERR, ha, "%s: disable acb mbx failed\n",
2766 __func__);
2767 rval = -EIO;
2768 goto exit_init_fw_cb;
2769 }
2770
2771 wait_for_completion_timeout(&ha->disable_acb_comp,
2772 DISABLE_ACB_TOV * HZ);
Mike Christied00efe32011-07-25 13:48:38 -0500[diff] [blame]2773
2774 qla4xxx_initcb_to_acb(init_fw_cb);
2775
2776 rval = qla4xxx_set_acb(ha, &mbox_cmd[0], &mbox_sts[0], init_fw_cb_dma);
2777 if (rval != QLA_SUCCESS) {
2778 ql4_printk(KERN_ERR, ha, "%s: set acb mbx failed\n",
2779 __func__);
2780 rval = -EIO;
2781 goto exit_init_fw_cb;
2782 }
2783
2784 memset(init_fw_cb, 0, sizeof(struct addr_ctrl_blk));
2785 qla4xxx_update_local_ifcb(ha, &mbox_cmd[0], &mbox_sts[0], init_fw_cb,
2786 init_fw_cb_dma);
2787
2788exit_init_fw_cb:
2789 dma_free_coherent(&ha->pdev->dev, sizeof(struct addr_ctrl_blk),
2790 init_fw_cb, init_fw_cb_dma);
2791
2792 return rval;
2793}
2794
Mike Christiefca9f042012-02-27 03:08:54 -0800[diff] [blame]2795static int qla4xxx_session_get_param(struct iscsi_cls_session *cls_sess,
2796 enum iscsi_param param, char *buf)
2797{
2798 struct iscsi_session *sess = cls_sess->dd_data;
2799 struct ddb_entry *ddb_entry = sess->dd_data;
2800 struct scsi_qla_host *ha = ddb_entry->ha;
Adheer Chandravanshi97c27302013-09-17 07:54:50 -0400[diff] [blame]2801 struct iscsi_cls_conn *cls_conn = ddb_entry->conn;
2802 struct ql4_chap_table chap_tbl;
Mike Christiefca9f042012-02-27 03:08:54 -0800[diff] [blame]2803 int rval, len;
2804 uint16_t idx;
2805
Adheer Chandravanshi97c27302013-09-17 07:54:50 -0400[diff] [blame]2806 memset(&chap_tbl, 0, sizeof(chap_tbl));
Mike Christiefca9f042012-02-27 03:08:54 -0800[diff] [blame]2807 switch (param) {
2808 case ISCSI_PARAM_CHAP_IN_IDX:
2809 rval = qla4xxx_get_chap_index(ha, sess->username_in,
2810 sess->password_in, BIDI_CHAP,
2811 &idx);
2812 if (rval)
Manish Rangankarc7a5e0d2013-01-20 23:51:04 -0500[diff] [blame]2813 len = sprintf(buf, "\n");
2814 else
2815 len = sprintf(buf, "%hu\n", idx);
Mike Christiefca9f042012-02-27 03:08:54 -0800[diff] [blame]2816 break;
2817 case ISCSI_PARAM_CHAP_OUT_IDX:
Adheer Chandravanshi97c27302013-09-17 07:54:50 -0400[diff] [blame]2818 if (ddb_entry->ddb_type == FLASH_DDB) {
2819 if (ddb_entry->chap_tbl_idx != INVALID_ENTRY) {
2820 idx = ddb_entry->chap_tbl_idx;
2821 rval = QLA_SUCCESS;
2822 } else {
2823 rval = QLA_ERROR;
2824 }
2825 } else {
2826 rval = qla4xxx_get_chap_index(ha, sess->username,
2827 sess->password,
2828 LOCAL_CHAP, &idx);
2829 }
Mike Christiefca9f042012-02-27 03:08:54 -0800[diff] [blame]2830 if (rval)
Manish Rangankarc7a5e0d2013-01-20 23:51:04 -0500[diff] [blame]2831 len = sprintf(buf, "\n");
2832 else
2833 len = sprintf(buf, "%hu\n", idx);
Mike Christiefca9f042012-02-27 03:08:54 -0800[diff] [blame]2834 break;
Adheer Chandravanshi97c27302013-09-17 07:54:50 -0400[diff] [blame]2835 case ISCSI_PARAM_USERNAME:
2836 case ISCSI_PARAM_PASSWORD:
2837 /* First, populate session username and password for FLASH DDB,
2838 * if not already done. This happens when session login fails
2839 * for a FLASH DDB.
2840 */
2841 if (ddb_entry->ddb_type == FLASH_DDB &&
2842 ddb_entry->chap_tbl_idx != INVALID_ENTRY &&
2843 !sess->username && !sess->password) {
2844 idx = ddb_entry->chap_tbl_idx;
2845 rval = qla4xxx_get_uni_chap_at_index(ha, chap_tbl.name,
2846 chap_tbl.secret,
2847 idx);
2848 if (!rval) {
2849 iscsi_set_param(cls_conn, ISCSI_PARAM_USERNAME,
2850 (char *)chap_tbl.name,
2851 strlen((char *)chap_tbl.name));
2852 iscsi_set_param(cls_conn, ISCSI_PARAM_PASSWORD,
2853 (char *)chap_tbl.secret,
2854 chap_tbl.secret_len);
2855 }
2856 }
2857 /* allow fall-through */
Mike Christiefca9f042012-02-27 03:08:54 -0800[diff] [blame]2858 default:
2859 return iscsi_session_get_param(cls_sess, param, buf);
2860 }
2861
2862 return len;
2863}
2864
Manish Rangankarb3a271a2011-07-25 13:48:53 -0500[diff] [blame]2865static int qla4xxx_conn_get_param(struct iscsi_cls_conn *cls_conn,
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]2866 enum iscsi_param param, char *buf)
2867{
Manish Rangankarb3a271a2011-07-25 13:48:53 -0500[diff] [blame]2868 struct iscsi_conn *conn;
2869 struct qla_conn *qla_conn;
2870 struct sockaddr *dst_addr;
2871 int len = 0;
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]2872
Manish Rangankarb3a271a2011-07-25 13:48:53 -0500[diff] [blame]2873 conn = cls_conn->dd_data;
2874 qla_conn = conn->dd_data;
Manish Rangankard46bdeb12012-08-07 07:57:13 -0400[diff] [blame]2875 dst_addr = (struct sockaddr *)&qla_conn->qla_ep->dst_addr;
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]2876
2877 switch (param) {
2878 case ISCSI_PARAM_CONN_PORT:
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]2879 case ISCSI_PARAM_CONN_ADDRESS:
Manish Rangankarb3a271a2011-07-25 13:48:53 -0500[diff] [blame]2880 return iscsi_conn_get_addr_param((struct sockaddr_storage *)
2881 dst_addr, param, buf);
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]2882 default:
Manish Rangankarb3a271a2011-07-25 13:48:53 -0500[diff] [blame]2883 return iscsi_conn_get_param(cls_conn, param, buf);
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]2884 }
2885
2886 return len;
Manish Rangankarb3a271a2011-07-25 13:48:53 -0500[diff] [blame]2887
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]2888}
2889
Mike Christie13483732011-12-01 21:38:41 -0600[diff] [blame]2890int qla4xxx_get_ddb_index(struct scsi_qla_host *ha, uint16_t *ddb_index)
2891{
2892 uint32_t mbx_sts = 0;
2893 uint16_t tmp_ddb_index;
2894 int ret;
2895
2896get_ddb_index:
2897 tmp_ddb_index = find_first_zero_bit(ha->ddb_idx_map, MAX_DDB_ENTRIES);
2898
2899 if (tmp_ddb_index >= MAX_DDB_ENTRIES) {
2900 DEBUG2(ql4_printk(KERN_INFO, ha,
2901 "Free DDB index not available\n"));
2902 ret = QLA_ERROR;
2903 goto exit_get_ddb_index;
2904 }
2905
2906 if (test_and_set_bit(tmp_ddb_index, ha->ddb_idx_map))
2907 goto get_ddb_index;
2908
2909 DEBUG2(ql4_printk(KERN_INFO, ha,
2910 "Found a free DDB index at %d\n", tmp_ddb_index));
2911 ret = qla4xxx_req_ddb_entry(ha, tmp_ddb_index, &mbx_sts);
2912 if (ret == QLA_ERROR) {
2913 if (mbx_sts == MBOX_STS_COMMAND_ERROR) {
2914 ql4_printk(KERN_INFO, ha,
2915 "DDB index = %d not available trying next\n",
2916 tmp_ddb_index);
2917 goto get_ddb_index;
2918 }
2919 DEBUG2(ql4_printk(KERN_INFO, ha,
2920 "Free FW DDB not available\n"));
2921 }
2922
2923 *ddb_index = tmp_ddb_index;
2924
2925exit_get_ddb_index:
2926 return ret;
2927}
2928
2929static int qla4xxx_match_ipaddress(struct scsi_qla_host *ha,
2930 struct ddb_entry *ddb_entry,
2931 char *existing_ipaddr,
2932 char *user_ipaddr)
2933{
2934 uint8_t dst_ipaddr[IPv6_ADDR_LEN];
2935 char formatted_ipaddr[DDB_IPADDR_LEN];
2936 int status = QLA_SUCCESS, ret = 0;
2937
2938 if (ddb_entry->fw_ddb_entry.options & DDB_OPT_IPV6_DEVICE) {
2939 ret = in6_pton(user_ipaddr, strlen(user_ipaddr), dst_ipaddr,
2940 '\0', NULL);
2941 if (ret == 0) {
2942 status = QLA_ERROR;
2943 goto out_match;
2944 }
2945 ret = sprintf(formatted_ipaddr, "%pI6", dst_ipaddr);
2946 } else {
2947 ret = in4_pton(user_ipaddr, strlen(user_ipaddr), dst_ipaddr,
2948 '\0', NULL);
2949 if (ret == 0) {
2950 status = QLA_ERROR;
2951 goto out_match;
2952 }
2953 ret = sprintf(formatted_ipaddr, "%pI4", dst_ipaddr);
2954 }
2955
2956 if (strcmp(existing_ipaddr, formatted_ipaddr))
2957 status = QLA_ERROR;
2958
2959out_match:
2960 return status;
2961}
2962
2963static int qla4xxx_match_fwdb_session(struct scsi_qla_host *ha,
2964 struct iscsi_cls_conn *cls_conn)
2965{
2966 int idx = 0, max_ddbs, rval;
2967 struct iscsi_cls_session *cls_sess = iscsi_conn_to_session(cls_conn);
2968 struct iscsi_session *sess, *existing_sess;
2969 struct iscsi_conn *conn, *existing_conn;
2970 struct ddb_entry *ddb_entry;
2971
2972 sess = cls_sess->dd_data;
2973 conn = cls_conn->dd_data;
2974
2975 if (sess->targetname == NULL ||
2976 conn->persistent_address == NULL ||
2977 conn->persistent_port == 0)
2978 return QLA_ERROR;
2979
2980 max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX :
2981 MAX_DEV_DB_ENTRIES;
2982
2983 for (idx = 0; idx < max_ddbs; idx++) {
2984 ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx);
2985 if (ddb_entry == NULL)
2986 continue;
2987
2988 if (ddb_entry->ddb_type != FLASH_DDB)
2989 continue;
2990
2991 existing_sess = ddb_entry->sess->dd_data;
2992 existing_conn = ddb_entry->conn->dd_data;
2993
2994 if (existing_sess->targetname == NULL ||
2995 existing_conn->persistent_address == NULL ||
2996 existing_conn->persistent_port == 0)
2997 continue;
2998
2999 DEBUG2(ql4_printk(KERN_INFO, ha,
3000 "IQN = %s User IQN = %s\n",
3001 existing_sess->targetname,
3002 sess->targetname));
3003
3004 DEBUG2(ql4_printk(KERN_INFO, ha,
3005 "IP = %s User IP = %s\n",
3006 existing_conn->persistent_address,
3007 conn->persistent_address));
3008
3009 DEBUG2(ql4_printk(KERN_INFO, ha,
3010 "Port = %d User Port = %d\n",
3011 existing_conn->persistent_port,
3012 conn->persistent_port));
3013
3014 if (strcmp(existing_sess->targetname, sess->targetname))
3015 continue;
3016 rval = qla4xxx_match_ipaddress(ha, ddb_entry,
3017 existing_conn->persistent_address,
3018 conn->persistent_address);
3019 if (rval == QLA_ERROR)
3020 continue;
3021 if (existing_conn->persistent_port != conn->persistent_port)
3022 continue;
3023 break;
3024 }
3025
3026 if (idx == max_ddbs)
3027 return QLA_ERROR;
3028
3029 DEBUG2(ql4_printk(KERN_INFO, ha,
3030 "Match found in fwdb sessions\n"));
3031 return QLA_SUCCESS;
3032}
3033
Manish Rangankarb3a271a2011-07-25 13:48:53 -0500[diff] [blame]3034static struct iscsi_cls_session *
3035qla4xxx_session_create(struct iscsi_endpoint *ep,
3036 uint16_t cmds_max, uint16_t qdepth,
3037 uint32_t initial_cmdsn)
3038{
3039 struct iscsi_cls_session *cls_sess;
3040 struct scsi_qla_host *ha;
3041 struct qla_endpoint *qla_ep;
3042 struct ddb_entry *ddb_entry;
Mike Christie13483732011-12-01 21:38:41 -0600[diff] [blame]3043 uint16_t ddb_index;
Manish Rangankarb3a271a2011-07-25 13:48:53 -0500[diff] [blame]3044 struct iscsi_session *sess;
3045 struct sockaddr *dst_addr;
3046 int ret;
3047
3048 DEBUG2(printk(KERN_INFO "Func: %s\n", __func__));
3049 if (!ep) {
3050 printk(KERN_ERR "qla4xxx: missing ep.\n");
3051 return NULL;
3052 }
3053
3054 qla_ep = ep->dd_data;
3055 dst_addr = (struct sockaddr *)&qla_ep->dst_addr;
3056 ha = to_qla_host(qla_ep->host);
Manish Rangankar736cf362011-10-07 16:55:46 -0700[diff] [blame]3057
Mike Christie13483732011-12-01 21:38:41 -0600[diff] [blame]3058 ret = qla4xxx_get_ddb_index(ha, &ddb_index);
3059 if (ret == QLA_ERROR)
Manish Rangankarb3a271a2011-07-25 13:48:53 -0500[diff] [blame]3060 return NULL;
Manish Rangankarb3a271a2011-07-25 13:48:53 -0500[diff] [blame]3061
3062 cls_sess = iscsi_session_setup(&qla4xxx_iscsi_transport, qla_ep->host,
3063 cmds_max, sizeof(struct ddb_entry),
3064 sizeof(struct ql4_task_data),
3065 initial_cmdsn, ddb_index);
3066 if (!cls_sess)
3067 return NULL;
3068
3069 sess = cls_sess->dd_data;
3070 ddb_entry = sess->dd_data;
3071 ddb_entry->fw_ddb_index = ddb_index;
3072 ddb_entry->fw_ddb_device_state = DDB_DS_NO_CONNECTION_ACTIVE;
3073 ddb_entry->ha = ha;
3074 ddb_entry->sess = cls_sess;
Mike Christie13483732011-12-01 21:38:41 -0600[diff] [blame]3075 ddb_entry->unblock_sess = qla4xxx_unblock_ddb;
3076 ddb_entry->ddb_change = qla4xxx_ddb_change;
Manish Rangankarb3a271a2011-07-25 13:48:53 -0500[diff] [blame]3077 cls_sess->recovery_tmo = ql4xsess_recovery_tmo;
3078 ha->fw_ddb_index_map[ddb_entry->fw_ddb_index] = ddb_entry;
3079 ha->tot_ddbs++;
3080
3081 return cls_sess;
3082}
3083
3084static void qla4xxx_session_destroy(struct iscsi_cls_session *cls_sess)
3085{
3086 struct iscsi_session *sess;
3087 struct ddb_entry *ddb_entry;
3088 struct scsi_qla_host *ha;
Manish Rangankar90599b62012-04-23 22:32:34 -0700[diff] [blame]3089 unsigned long flags, wtime;
3090 struct dev_db_entry *fw_ddb_entry = NULL;
3091 dma_addr_t fw_ddb_entry_dma;
3092 uint32_t ddb_state;
3093 int ret;
Manish Rangankarb3a271a2011-07-25 13:48:53 -0500[diff] [blame]3094
3095 DEBUG2(printk(KERN_INFO "Func: %s\n", __func__));
3096 sess = cls_sess->dd_data;
3097 ddb_entry = sess->dd_data;
3098 ha = ddb_entry->ha;
3099
Manish Rangankar90599b62012-04-23 22:32:34 -0700[diff] [blame]3100 fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
3101 &fw_ddb_entry_dma, GFP_KERNEL);
3102 if (!fw_ddb_entry) {
3103 ql4_printk(KERN_ERR, ha,
3104 "%s: Unable to allocate dma buffer\n", __func__);
3105 goto destroy_session;
3106 }
3107
3108 wtime = jiffies + (HZ * LOGOUT_TOV);
3109 do {
3110 ret = qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index,
3111 fw_ddb_entry, fw_ddb_entry_dma,
3112 NULL, NULL, &ddb_state, NULL,
3113 NULL, NULL);
3114 if (ret == QLA_ERROR)
3115 goto destroy_session;
3116
3117 if ((ddb_state == DDB_DS_NO_CONNECTION_ACTIVE) ||
3118 (ddb_state == DDB_DS_SESSION_FAILED))
3119 goto destroy_session;
3120
3121 schedule_timeout_uninterruptible(HZ);
3122 } while ((time_after(wtime, jiffies)));
3123
3124destroy_session:
Manish Rangankar736cf362011-10-07 16:55:46 -0700[diff] [blame]3125 qla4xxx_clear_ddb_entry(ha, ddb_entry->fw_ddb_index);
3126
Manish Rangankarb3a271a2011-07-25 13:48:53 -0500[diff] [blame]3127 spin_lock_irqsave(&ha->hardware_lock, flags);
3128 qla4xxx_free_ddb(ha, ddb_entry);
3129 spin_unlock_irqrestore(&ha->hardware_lock, flags);
Manish Rangankar90599b62012-04-23 22:32:34 -0700[diff] [blame]3130
Manish Rangankarb3a271a2011-07-25 13:48:53 -0500[diff] [blame]3131 iscsi_session_teardown(cls_sess);
Manish Rangankar90599b62012-04-23 22:32:34 -0700[diff] [blame]3132
3133 if (fw_ddb_entry)
3134 dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
3135 fw_ddb_entry, fw_ddb_entry_dma);
Manish Rangankarb3a271a2011-07-25 13:48:53 -0500[diff] [blame]3136}
3137
Manish Rangankarb3a271a2011-07-25 13:48:53 -0500[diff] [blame]3138static struct iscsi_cls_conn *
3139qla4xxx_conn_create(struct iscsi_cls_session *cls_sess, uint32_t conn_idx)
3140{
3141 struct iscsi_cls_conn *cls_conn;
3142 struct iscsi_session *sess;
3143 struct ddb_entry *ddb_entry;
3144
3145 DEBUG2(printk(KERN_INFO "Func: %s\n", __func__));
3146 cls_conn = iscsi_conn_setup(cls_sess, sizeof(struct qla_conn),
3147 conn_idx);
Mike Christieff1d0312011-12-01 21:38:43 -0600[diff] [blame]3148 if (!cls_conn)
3149 return NULL;
3150
Manish Rangankarb3a271a2011-07-25 13:48:53 -0500[diff] [blame]3151 sess = cls_sess->dd_data;
3152 ddb_entry = sess->dd_data;
3153 ddb_entry->conn = cls_conn;
3154
3155 return cls_conn;
3156}
3157
3158static int qla4xxx_conn_bind(struct iscsi_cls_session *cls_session,
3159 struct iscsi_cls_conn *cls_conn,
3160 uint64_t transport_fd, int is_leading)
3161{
3162 struct iscsi_conn *conn;
3163 struct qla_conn *qla_conn;
3164 struct iscsi_endpoint *ep;
3165
3166 DEBUG2(printk(KERN_INFO "Func: %s\n", __func__));
3167
3168 if (iscsi_conn_bind(cls_session, cls_conn, is_leading))
3169 return -EINVAL;
3170 ep = iscsi_lookup_endpoint(transport_fd);
3171 conn = cls_conn->dd_data;
3172 qla_conn = conn->dd_data;
3173 qla_conn->qla_ep = ep->dd_data;
3174 return 0;
3175}
3176
3177static int qla4xxx_conn_start(struct iscsi_cls_conn *cls_conn)
3178{
3179 struct iscsi_cls_session *cls_sess = iscsi_conn_to_session(cls_conn);
3180 struct iscsi_session *sess;
3181 struct ddb_entry *ddb_entry;
3182 struct scsi_qla_host *ha;
Mike Christie13483732011-12-01 21:38:41 -0600[diff] [blame]3183 struct dev_db_entry *fw_ddb_entry = NULL;
Manish Rangankarb3a271a2011-07-25 13:48:53 -0500[diff] [blame]3184 dma_addr_t fw_ddb_entry_dma;
Manish Rangankarb3a271a2011-07-25 13:48:53 -0500[diff] [blame]3185 uint32_t mbx_sts = 0;
3186 int ret = 0;
3187 int status = QLA_SUCCESS;
3188
3189 DEBUG2(printk(KERN_INFO "Func: %s\n", __func__));
3190 sess = cls_sess->dd_data;
3191 ddb_entry = sess->dd_data;
3192 ha = ddb_entry->ha;
3193
Mike Christie13483732011-12-01 21:38:41 -0600[diff] [blame]3194 /* Check if we have matching FW DDB, if yes then do not
3195 * login to this target. This could cause target to logout previous
3196 * connection
3197 */
3198 ret = qla4xxx_match_fwdb_session(ha, cls_conn);
3199 if (ret == QLA_SUCCESS) {
3200 ql4_printk(KERN_INFO, ha,
3201 "Session already exist in FW.\n");
3202 ret = -EEXIST;
3203 goto exit_conn_start;
3204 }
3205
Manish Rangankarb3a271a2011-07-25 13:48:53 -0500[diff] [blame]3206 fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
3207 &fw_ddb_entry_dma, GFP_KERNEL);
3208 if (!fw_ddb_entry) {
3209 ql4_printk(KERN_ERR, ha,
3210 "%s: Unable to allocate dma buffer\n", __func__);
Mike Christie13483732011-12-01 21:38:41 -0600[diff] [blame]3211 ret = -ENOMEM;
3212 goto exit_conn_start;
Manish Rangankarb3a271a2011-07-25 13:48:53 -0500[diff] [blame]3213 }
3214
3215 ret = qla4xxx_set_param_ddbentry(ha, ddb_entry, cls_conn, &mbx_sts);
3216 if (ret) {
3217 /* If iscsid is stopped and started then no need to do
3218 * set param again since ddb state will be already
3219 * active and FW does not allow set ddb to an
3220 * active session.
3221 */
3222 if (mbx_sts)
3223 if (ddb_entry->fw_ddb_device_state ==
Manish Rangankarf922da72011-10-07 16:55:49 -0700[diff] [blame]3224 DDB_DS_SESSION_ACTIVE) {
Mike Christie13483732011-12-01 21:38:41 -0600[diff] [blame]3225 ddb_entry->unblock_sess(ddb_entry->sess);
Manish Rangankarb3a271a2011-07-25 13:48:53 -0500[diff] [blame]3226 goto exit_set_param;
Manish Rangankarf922da72011-10-07 16:55:49 -0700[diff] [blame]3227 }
Manish Rangankarb3a271a2011-07-25 13:48:53 -0500[diff] [blame]3228
3229 ql4_printk(KERN_ERR, ha, "%s: Failed set param for index[%d]\n",
3230 __func__, ddb_entry->fw_ddb_index);
3231 goto exit_conn_start;
3232 }
3233
3234 status = qla4xxx_conn_open(ha, ddb_entry->fw_ddb_index);
3235 if (status == QLA_ERROR) {
Manish Rangankar0e7e8502011-07-25 13:48:54 -0500[diff] [blame]3236 ql4_printk(KERN_ERR, ha, "%s: Login failed: %s\n", __func__,
3237 sess->targetname);
Manish Rangankarb3a271a2011-07-25 13:48:53 -0500[diff] [blame]3238 ret = -EINVAL;
3239 goto exit_conn_start;
3240 }
3241
Manish Rangankar98270ab2011-10-07 16:55:47 -0700[diff] [blame]3242 if (ddb_entry->fw_ddb_device_state == DDB_DS_NO_CONNECTION_ACTIVE)
3243 ddb_entry->fw_ddb_device_state = DDB_DS_LOGIN_IN_PROCESS;
3244
3245 DEBUG2(printk(KERN_INFO "%s: DDB state [%d]\n", __func__,
3246 ddb_entry->fw_ddb_device_state));
Manish Rangankarb3a271a2011-07-25 13:48:53 -0500[diff] [blame]3247
3248exit_set_param:
Manish Rangankarb3a271a2011-07-25 13:48:53 -0500[diff] [blame]3249 ret = 0;
3250
3251exit_conn_start:
Mike Christie13483732011-12-01 21:38:41 -0600[diff] [blame]3252 if (fw_ddb_entry)
3253 dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
3254 fw_ddb_entry, fw_ddb_entry_dma);
Manish Rangankarb3a271a2011-07-25 13:48:53 -0500[diff] [blame]3255 return ret;
3256}
3257
3258static void qla4xxx_conn_destroy(struct iscsi_cls_conn *cls_conn)
3259{
3260 struct iscsi_cls_session *cls_sess = iscsi_conn_to_session(cls_conn);
3261 struct iscsi_session *sess;
3262 struct scsi_qla_host *ha;
3263 struct ddb_entry *ddb_entry;
3264 int options;
3265
3266 DEBUG2(printk(KERN_INFO "Func: %s\n", __func__));
3267 sess = cls_sess->dd_data;
3268 ddb_entry = sess->dd_data;
3269 ha = ddb_entry->ha;
3270
3271 options = LOGOUT_OPTION_CLOSE_SESSION;
3272 if (qla4xxx_session_logout_ddb(ha, ddb_entry, options) == QLA_ERROR)
3273 ql4_printk(KERN_ERR, ha, "%s: Logout failed\n", __func__);
Manish Rangankarb3a271a2011-07-25 13:48:53 -0500[diff] [blame]3274}
3275
3276static void qla4xxx_task_work(struct work_struct *wdata)
3277{
3278 struct ql4_task_data *task_data;
3279 struct scsi_qla_host *ha;
3280 struct passthru_status *sts;
3281 struct iscsi_task *task;
3282 struct iscsi_hdr *hdr;
3283 uint8_t *data;
3284 uint32_t data_len;
3285 struct iscsi_conn *conn;
3286 int hdr_len;
3287 itt_t itt;
3288
3289 task_data = container_of(wdata, struct ql4_task_data, task_work);
3290 ha = task_data->ha;
3291 task = task_data->task;
3292 sts = &task_data->sts;
3293 hdr_len = sizeof(struct iscsi_hdr);
3294
3295 DEBUG3(printk(KERN_INFO "Status returned\n"));
3296 DEBUG3(qla4xxx_dump_buffer(sts, 64));
3297 DEBUG3(printk(KERN_INFO "Response buffer"));
3298 DEBUG3(qla4xxx_dump_buffer(task_data->resp_buffer, 64));
3299
3300 conn = task->conn;
3301
3302 switch (sts->completionStatus) {
3303 case PASSTHRU_STATUS_COMPLETE:
3304 hdr = (struct iscsi_hdr *)task_data->resp_buffer;
3305 /* Assign back the itt in hdr, until we use the PREASSIGN_TAG */
3306 itt = sts->handle;
3307 hdr->itt = itt;
3308 data = task_data->resp_buffer + hdr_len;
3309 data_len = task_data->resp_len - hdr_len;
3310 iscsi_complete_pdu(conn, hdr, data, data_len);
3311 break;
3312 default:
3313 ql4_printk(KERN_ERR, ha, "Passthru failed status = 0x%x\n",
3314 sts->completionStatus);
3315 break;
3316 }
3317 return;
3318}
3319
3320static int qla4xxx_alloc_pdu(struct iscsi_task *task, uint8_t opcode)
3321{
3322 struct ql4_task_data *task_data;
3323 struct iscsi_session *sess;
3324 struct ddb_entry *ddb_entry;
3325 struct scsi_qla_host *ha;
3326 int hdr_len;
3327
3328 sess = task->conn->session;
3329 ddb_entry = sess->dd_data;
3330 ha = ddb_entry->ha;
3331 task_data = task->dd_data;
3332 memset(task_data, 0, sizeof(struct ql4_task_data));
3333
3334 if (task->sc) {
3335 ql4_printk(KERN_INFO, ha,
3336 "%s: SCSI Commands not implemented\n", __func__);
3337 return -EINVAL;
3338 }
3339
3340 hdr_len = sizeof(struct iscsi_hdr);
3341 task_data->ha = ha;
3342 task_data->task = task;
3343
3344 if (task->data_count) {
3345 task_data->data_dma = dma_map_single(&ha->pdev->dev, task->data,
3346 task->data_count,
3347 PCI_DMA_TODEVICE);
3348 }
3349
3350 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: MaxRecvLen %u, iscsi hrd %d\n",
3351 __func__, task->conn->max_recv_dlength, hdr_len));
3352
Manish Rangankar69ca2162011-10-07 16:55:50 -0700[diff] [blame]3353 task_data->resp_len = task->conn->max_recv_dlength + hdr_len;
Manish Rangankarb3a271a2011-07-25 13:48:53 -0500[diff] [blame]3354 task_data->resp_buffer = dma_alloc_coherent(&ha->pdev->dev,
3355 task_data->resp_len,
3356 &task_data->resp_dma,
3357 GFP_ATOMIC);
3358 if (!task_data->resp_buffer)
3359 goto exit_alloc_pdu;
3360
Manish Rangankar69ca2162011-10-07 16:55:50 -0700[diff] [blame]3361 task_data->req_len = task->data_count + hdr_len;
Manish Rangankarb3a271a2011-07-25 13:48:53 -0500[diff] [blame]3362 task_data->req_buffer = dma_alloc_coherent(&ha->pdev->dev,
Manish Rangankar69ca2162011-10-07 16:55:50 -0700[diff] [blame]3363 task_data->req_len,
Manish Rangankarb3a271a2011-07-25 13:48:53 -0500[diff] [blame]3364 &task_data->req_dma,
3365 GFP_ATOMIC);
3366 if (!task_data->req_buffer)
3367 goto exit_alloc_pdu;
3368
3369 task->hdr = task_data->req_buffer;
3370
3371 INIT_WORK(&task_data->task_work, qla4xxx_task_work);
3372
3373 return 0;
3374
3375exit_alloc_pdu:
3376 if (task_data->resp_buffer)
3377 dma_free_coherent(&ha->pdev->dev, task_data->resp_len,
3378 task_data->resp_buffer, task_data->resp_dma);
3379
3380 if (task_data->req_buffer)
Manish Rangankar69ca2162011-10-07 16:55:50 -0700[diff] [blame]3381 dma_free_coherent(&ha->pdev->dev, task_data->req_len,
Manish Rangankarb3a271a2011-07-25 13:48:53 -0500[diff] [blame]3382 task_data->req_buffer, task_data->req_dma);
3383 return -ENOMEM;
3384}
3385
3386static void qla4xxx_task_cleanup(struct iscsi_task *task)
3387{
3388 struct ql4_task_data *task_data;
3389 struct iscsi_session *sess;
3390 struct ddb_entry *ddb_entry;
3391 struct scsi_qla_host *ha;
3392 int hdr_len;
3393
3394 hdr_len = sizeof(struct iscsi_hdr);
3395 sess = task->conn->session;
3396 ddb_entry = sess->dd_data;
3397 ha = ddb_entry->ha;
3398 task_data = task->dd_data;
3399
3400 if (task->data_count) {
3401 dma_unmap_single(&ha->pdev->dev, task_data->data_dma,
3402 task->data_count, PCI_DMA_TODEVICE);
3403 }
3404
3405 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: MaxRecvLen %u, iscsi hrd %d\n",
3406 __func__, task->conn->max_recv_dlength, hdr_len));
3407
3408 dma_free_coherent(&ha->pdev->dev, task_data->resp_len,
3409 task_data->resp_buffer, task_data->resp_dma);
Manish Rangankar69ca2162011-10-07 16:55:50 -0700[diff] [blame]3410 dma_free_coherent(&ha->pdev->dev, task_data->req_len,
Manish Rangankarb3a271a2011-07-25 13:48:53 -0500[diff] [blame]3411 task_data->req_buffer, task_data->req_dma);
3412 return;
3413}
3414
3415static int qla4xxx_task_xmit(struct iscsi_task *task)
3416{
3417 struct scsi_cmnd *sc = task->sc;
3418 struct iscsi_session *sess = task->conn->session;
3419 struct ddb_entry *ddb_entry = sess->dd_data;
3420 struct scsi_qla_host *ha = ddb_entry->ha;
3421
3422 if (!sc)
3423 return qla4xxx_send_passthru0(task);
3424
3425 ql4_printk(KERN_INFO, ha, "%s: scsi cmd xmit not implemented\n",
3426 __func__);
3427 return -ENOSYS;
3428}
3429
Adheer Chandravanshi1e9e2be2013-03-22 07:41:31 -0400[diff] [blame]3430static int qla4xxx_copy_from_fwddb_param(struct iscsi_bus_flash_session *sess,
3431 struct iscsi_bus_flash_conn *conn,
3432 struct dev_db_entry *fw_ddb_entry)
3433{
3434 unsigned long options = 0;
3435 int rc = 0;
3436
3437 options = le16_to_cpu(fw_ddb_entry->options);
3438 conn->is_fw_assigned_ipv6 = test_bit(OPT_IS_FW_ASSIGNED_IPV6, &options);
3439 if (test_bit(OPT_IPV6_DEVICE, &options)) {
Adheer Chandravanshic962c182013-03-25 08:08:32 -0400[diff] [blame]3440 rc = iscsi_switch_str_param(&sess->portal_type,
3441 PORTAL_TYPE_IPV6);
Adheer Chandravanshi1e9e2be2013-03-22 07:41:31 -0400[diff] [blame]3442 if (rc)
3443 goto exit_copy;
3444 } else {
Adheer Chandravanshic962c182013-03-25 08:08:32 -0400[diff] [blame]3445 rc = iscsi_switch_str_param(&sess->portal_type,
3446 PORTAL_TYPE_IPV4);
Adheer Chandravanshi1e9e2be2013-03-22 07:41:31 -0400[diff] [blame]3447 if (rc)
3448 goto exit_copy;
3449 }
3450
3451 sess->auto_snd_tgt_disable = test_bit(OPT_AUTO_SENDTGTS_DISABLE,
3452 &options);
3453 sess->discovery_sess = test_bit(OPT_DISC_SESSION, &options);
3454 sess->entry_state = test_bit(OPT_ENTRY_STATE, &options);
3455
3456 options = le16_to_cpu(fw_ddb_entry->iscsi_options);
3457 conn->hdrdgst_en = test_bit(ISCSIOPT_HEADER_DIGEST_EN, &options);
3458 conn->datadgst_en = test_bit(ISCSIOPT_DATA_DIGEST_EN, &options);
3459 sess->imm_data_en = test_bit(ISCSIOPT_IMMEDIATE_DATA_EN, &options);
3460 sess->initial_r2t_en = test_bit(ISCSIOPT_INITIAL_R2T_EN, &options);
3461 sess->dataseq_inorder_en = test_bit(ISCSIOPT_DATA_SEQ_IN_ORDER,
3462 &options);
3463 sess->pdu_inorder_en = test_bit(ISCSIOPT_DATA_PDU_IN_ORDER, &options);
3464 sess->chap_auth_en = test_bit(ISCSIOPT_CHAP_AUTH_EN, &options);
3465 conn->snack_req_en = test_bit(ISCSIOPT_SNACK_REQ_EN, &options);
3466 sess->discovery_logout_en = test_bit(ISCSIOPT_DISCOVERY_LOGOUT_EN,
3467 &options);
3468 sess->bidi_chap_en = test_bit(ISCSIOPT_BIDI_CHAP_EN, &options);
3469 sess->discovery_auth_optional =
3470 test_bit(ISCSIOPT_DISCOVERY_AUTH_OPTIONAL, &options);
3471 if (test_bit(ISCSIOPT_ERL1, &options))
3472 sess->erl |= BIT_1;
3473 if (test_bit(ISCSIOPT_ERL0, &options))
3474 sess->erl |= BIT_0;
3475
3476 options = le16_to_cpu(fw_ddb_entry->tcp_options);
3477 conn->tcp_timestamp_stat = test_bit(TCPOPT_TIMESTAMP_STAT, &options);
3478 conn->tcp_nagle_disable = test_bit(TCPOPT_NAGLE_DISABLE, &options);
3479 conn->tcp_wsf_disable = test_bit(TCPOPT_WSF_DISABLE, &options);
3480 if (test_bit(TCPOPT_TIMER_SCALE3, &options))
3481 conn->tcp_timer_scale |= BIT_3;
3482 if (test_bit(TCPOPT_TIMER_SCALE2, &options))
3483 conn->tcp_timer_scale |= BIT_2;
3484 if (test_bit(TCPOPT_TIMER_SCALE1, &options))
3485 conn->tcp_timer_scale |= BIT_1;
3486
3487 conn->tcp_timer_scale >>= 1;
3488 conn->tcp_timestamp_en = test_bit(TCPOPT_TIMESTAMP_EN, &options);
3489
3490 options = le16_to_cpu(fw_ddb_entry->ip_options);
3491 conn->fragment_disable = test_bit(IPOPT_FRAGMENT_DISABLE, &options);
3492
3493 conn->max_recv_dlength = BYTE_UNITS *
3494 le16_to_cpu(fw_ddb_entry->iscsi_max_rcv_data_seg_len);
3495 conn->max_xmit_dlength = BYTE_UNITS *
3496 le16_to_cpu(fw_ddb_entry->iscsi_max_snd_data_seg_len);
3497 sess->first_burst = BYTE_UNITS *
3498 le16_to_cpu(fw_ddb_entry->iscsi_first_burst_len);
3499 sess->max_burst = BYTE_UNITS *
3500 le16_to_cpu(fw_ddb_entry->iscsi_max_burst_len);
3501 sess->max_r2t = le16_to_cpu(fw_ddb_entry->iscsi_max_outsnd_r2t);
3502 sess->time2wait = le16_to_cpu(fw_ddb_entry->iscsi_def_time2wait);
3503 sess->time2retain = le16_to_cpu(fw_ddb_entry->iscsi_def_time2retain);
3504 sess->tpgt = le32_to_cpu(fw_ddb_entry->tgt_portal_grp);
3505 conn->max_segment_size = le16_to_cpu(fw_ddb_entry->mss);
3506 conn->tcp_xmit_wsf = fw_ddb_entry->tcp_xmt_wsf;
3507 conn->tcp_recv_wsf = fw_ddb_entry->tcp_rcv_wsf;
3508 conn->ipv6_flow_label = le16_to_cpu(fw_ddb_entry->ipv6_flow_lbl);
3509 conn->keepalive_timeout = le16_to_cpu(fw_ddb_entry->ka_timeout);
3510 conn->local_port = le16_to_cpu(fw_ddb_entry->lcl_port);
3511 conn->statsn = le32_to_cpu(fw_ddb_entry->stat_sn);
3512 conn->exp_statsn = le32_to_cpu(fw_ddb_entry->exp_stat_sn);
3513 sess->discovery_parent_idx = le16_to_cpu(fw_ddb_entry->ddb_link);
3514 sess->discovery_parent_type = le16_to_cpu(fw_ddb_entry->ddb_link);
3515 sess->chap_out_idx = le16_to_cpu(fw_ddb_entry->chap_tbl_idx);
3516 sess->tsid = le16_to_cpu(fw_ddb_entry->tsid);
3517
3518 sess->default_taskmgmt_timeout =
3519 le16_to_cpu(fw_ddb_entry->def_timeout);
3520 conn->port = le16_to_cpu(fw_ddb_entry->port);
3521
3522 options = le16_to_cpu(fw_ddb_entry->options);
3523 conn->ipaddress = kzalloc(IPv6_ADDR_LEN, GFP_KERNEL);
3524 if (!conn->ipaddress) {
3525 rc = -ENOMEM;
3526 goto exit_copy;
3527 }
3528
3529 conn->redirect_ipaddr = kzalloc(IPv6_ADDR_LEN, GFP_KERNEL);
3530 if (!conn->redirect_ipaddr) {
3531 rc = -ENOMEM;
3532 goto exit_copy;
3533 }
3534
3535 memcpy(conn->ipaddress, fw_ddb_entry->ip_addr, IPv6_ADDR_LEN);
3536 memcpy(conn->redirect_ipaddr, fw_ddb_entry->tgt_addr, IPv6_ADDR_LEN);
3537
3538 if (test_bit(OPT_IPV6_DEVICE, &options)) {
3539 conn->ipv6_traffic_class = fw_ddb_entry->ipv4_tos;
3540
3541 conn->link_local_ipv6_addr = kzalloc(IPv6_ADDR_LEN, GFP_KERNEL);
3542 if (!conn->link_local_ipv6_addr) {
3543 rc = -ENOMEM;
3544 goto exit_copy;
3545 }
3546
3547 memcpy(conn->link_local_ipv6_addr,
3548 fw_ddb_entry->link_local_ipv6_addr, IPv6_ADDR_LEN);
3549 } else {
3550 conn->ipv4_tos = fw_ddb_entry->ipv4_tos;
3551 }
3552
3553 if (fw_ddb_entry->iscsi_name[0]) {
3554 rc = iscsi_switch_str_param(&sess->targetname,
3555 (char *)fw_ddb_entry->iscsi_name);
3556 if (rc)
3557 goto exit_copy;
3558 }
3559
3560 if (fw_ddb_entry->iscsi_alias[0]) {
3561 rc = iscsi_switch_str_param(&sess->targetalias,
3562 (char *)fw_ddb_entry->iscsi_alias);
3563 if (rc)
3564 goto exit_copy;
3565 }
3566
3567 COPY_ISID(sess->isid, fw_ddb_entry->isid);
3568
3569exit_copy:
3570 return rc;
3571}
3572
3573static int qla4xxx_copy_to_fwddb_param(struct iscsi_bus_flash_session *sess,
3574 struct iscsi_bus_flash_conn *conn,
3575 struct dev_db_entry *fw_ddb_entry)
3576{
3577 uint16_t options;
3578 int rc = 0;
3579
3580 options = le16_to_cpu(fw_ddb_entry->options);
3581 SET_BITVAL(conn->is_fw_assigned_ipv6, options, BIT_11);
Adheer Chandravanshic962c182013-03-25 08:08:32 -0400[diff] [blame]3582 if (!strncmp(sess->portal_type, PORTAL_TYPE_IPV6, 4))
Adheer Chandravanshi1e9e2be2013-03-22 07:41:31 -0400[diff] [blame]3583 options |= BIT_8;
3584 else
3585 options &= ~BIT_8;
3586
3587 SET_BITVAL(sess->auto_snd_tgt_disable, options, BIT_6);
3588 SET_BITVAL(sess->discovery_sess, options, BIT_4);
3589 SET_BITVAL(sess->entry_state, options, BIT_3);
3590 fw_ddb_entry->options = cpu_to_le16(options);
3591
3592 options = le16_to_cpu(fw_ddb_entry->iscsi_options);
3593 SET_BITVAL(conn->hdrdgst_en, options, BIT_13);
3594 SET_BITVAL(conn->datadgst_en, options, BIT_12);
3595 SET_BITVAL(sess->imm_data_en, options, BIT_11);
3596 SET_BITVAL(sess->initial_r2t_en, options, BIT_10);
3597 SET_BITVAL(sess->dataseq_inorder_en, options, BIT_9);
3598 SET_BITVAL(sess->pdu_inorder_en, options, BIT_8);
3599 SET_BITVAL(sess->chap_auth_en, options, BIT_7);
3600 SET_BITVAL(conn->snack_req_en, options, BIT_6);
3601 SET_BITVAL(sess->discovery_logout_en, options, BIT_5);
3602 SET_BITVAL(sess->bidi_chap_en, options, BIT_4);
3603 SET_BITVAL(sess->discovery_auth_optional, options, BIT_3);
3604 SET_BITVAL(sess->erl & BIT_1, options, BIT_1);
3605 SET_BITVAL(sess->erl & BIT_0, options, BIT_0);
3606 fw_ddb_entry->iscsi_options = cpu_to_le16(options);
3607
3608 options = le16_to_cpu(fw_ddb_entry->tcp_options);
3609 SET_BITVAL(conn->tcp_timestamp_stat, options, BIT_6);
3610 SET_BITVAL(conn->tcp_nagle_disable, options, BIT_5);
3611 SET_BITVAL(conn->tcp_wsf_disable, options, BIT_4);
3612 SET_BITVAL(conn->tcp_timer_scale & BIT_2, options, BIT_3);
3613 SET_BITVAL(conn->tcp_timer_scale & BIT_1, options, BIT_2);
3614 SET_BITVAL(conn->tcp_timer_scale & BIT_0, options, BIT_1);
3615 SET_BITVAL(conn->tcp_timestamp_en, options, BIT_0);
3616 fw_ddb_entry->tcp_options = cpu_to_le16(options);
3617
3618 options = le16_to_cpu(fw_ddb_entry->ip_options);
3619 SET_BITVAL(conn->fragment_disable, options, BIT_4);
3620 fw_ddb_entry->ip_options = cpu_to_le16(options);
3621
3622 fw_ddb_entry->iscsi_max_outsnd_r2t = cpu_to_le16(sess->max_r2t);
3623 fw_ddb_entry->iscsi_max_rcv_data_seg_len =
3624 cpu_to_le16(conn->max_recv_dlength / BYTE_UNITS);
3625 fw_ddb_entry->iscsi_max_snd_data_seg_len =
3626 cpu_to_le16(conn->max_xmit_dlength / BYTE_UNITS);
3627 fw_ddb_entry->iscsi_first_burst_len =
3628 cpu_to_le16(sess->first_burst / BYTE_UNITS);
3629 fw_ddb_entry->iscsi_max_burst_len = cpu_to_le16(sess->max_burst /
3630 BYTE_UNITS);
3631 fw_ddb_entry->iscsi_def_time2wait = cpu_to_le16(sess->time2wait);
3632 fw_ddb_entry->iscsi_def_time2retain = cpu_to_le16(sess->time2retain);
3633 fw_ddb_entry->tgt_portal_grp = cpu_to_le16(sess->tpgt);
3634 fw_ddb_entry->mss = cpu_to_le16(conn->max_segment_size);
Adheer Chandravanshifbcd4832013-04-17 05:15:29 -0400[diff] [blame]3635 fw_ddb_entry->tcp_xmt_wsf = (uint8_t) cpu_to_le32(conn->tcp_xmit_wsf);
3636 fw_ddb_entry->tcp_rcv_wsf = (uint8_t) cpu_to_le32(conn->tcp_recv_wsf);
Adheer Chandravanshi1e9e2be2013-03-22 07:41:31 -0400[diff] [blame]3637 fw_ddb_entry->ipv6_flow_lbl = cpu_to_le16(conn->ipv6_flow_label);
3638 fw_ddb_entry->ka_timeout = cpu_to_le16(conn->keepalive_timeout);
3639 fw_ddb_entry->lcl_port = cpu_to_le16(conn->local_port);
Adheer Chandravanshifbcd4832013-04-17 05:15:29 -0400[diff] [blame]3640 fw_ddb_entry->stat_sn = cpu_to_le32(conn->statsn);
3641 fw_ddb_entry->exp_stat_sn = cpu_to_le32(conn->exp_statsn);
Adheer Chandravanshi65560162013-07-08 08:33:06 -0400[diff] [blame]3642 fw_ddb_entry->ddb_link = cpu_to_le16(sess->discovery_parent_idx);
Adheer Chandravanshi1e9e2be2013-03-22 07:41:31 -0400[diff] [blame]3643 fw_ddb_entry->chap_tbl_idx = cpu_to_le16(sess->chap_out_idx);
3644 fw_ddb_entry->tsid = cpu_to_le16(sess->tsid);
3645 fw_ddb_entry->port = cpu_to_le16(conn->port);
3646 fw_ddb_entry->def_timeout =
3647 cpu_to_le16(sess->default_taskmgmt_timeout);
3648
Adheer Chandravanshi84595802013-07-08 08:33:07 -0400[diff] [blame]3649 if (!strncmp(sess->portal_type, PORTAL_TYPE_IPV6, 4))
3650 fw_ddb_entry->ipv4_tos = conn->ipv6_traffic_class;
3651 else
3652 fw_ddb_entry->ipv4_tos = conn->ipv4_tos;
3653
Adheer Chandravanshi1e9e2be2013-03-22 07:41:31 -0400[diff] [blame]3654 if (conn->ipaddress)
3655 memcpy(fw_ddb_entry->ip_addr, conn->ipaddress,
3656 sizeof(fw_ddb_entry->ip_addr));
3657
3658 if (conn->redirect_ipaddr)
3659 memcpy(fw_ddb_entry->tgt_addr, conn->redirect_ipaddr,
3660 sizeof(fw_ddb_entry->tgt_addr));
3661
3662 if (conn->link_local_ipv6_addr)
3663 memcpy(fw_ddb_entry->link_local_ipv6_addr,
3664 conn->link_local_ipv6_addr,
3665 sizeof(fw_ddb_entry->link_local_ipv6_addr));
3666
3667 if (sess->targetname)
3668 memcpy(fw_ddb_entry->iscsi_name, sess->targetname,
3669 sizeof(fw_ddb_entry->iscsi_name));
3670
3671 if (sess->targetalias)
3672 memcpy(fw_ddb_entry->iscsi_alias, sess->targetalias,
3673 sizeof(fw_ddb_entry->iscsi_alias));
3674
3675 COPY_ISID(fw_ddb_entry->isid, sess->isid);
3676
3677 return rc;
3678}
3679
Adheer Chandravanshi8cc91d42013-07-01 05:54:13 -0400[diff] [blame]3680static void qla4xxx_copy_to_sess_conn_params(struct iscsi_conn *conn,
3681 struct iscsi_session *sess,
3682 struct dev_db_entry *fw_ddb_entry)
3683{
3684 unsigned long options = 0;
3685 uint16_t ddb_link;
3686 uint16_t disc_parent;
Adheer Chandravanshifb734ee32013-11-22 05:28:22 -0500[diff] [blame]3687 char ip_addr[DDB_IPADDR_LEN];
Adheer Chandravanshi8cc91d42013-07-01 05:54:13 -0400[diff] [blame]3688
3689 options = le16_to_cpu(fw_ddb_entry->options);
3690 conn->is_fw_assigned_ipv6 = test_bit(OPT_IS_FW_ASSIGNED_IPV6, &options);
3691 sess->auto_snd_tgt_disable = test_bit(OPT_AUTO_SENDTGTS_DISABLE,
3692 &options);
3693 sess->discovery_sess = test_bit(OPT_DISC_SESSION, &options);
3694
3695 options = le16_to_cpu(fw_ddb_entry->iscsi_options);
3696 conn->hdrdgst_en = test_bit(ISCSIOPT_HEADER_DIGEST_EN, &options);
3697 conn->datadgst_en = test_bit(ISCSIOPT_DATA_DIGEST_EN, &options);
3698 sess->imm_data_en = test_bit(ISCSIOPT_IMMEDIATE_DATA_EN, &options);
3699 sess->initial_r2t_en = test_bit(ISCSIOPT_INITIAL_R2T_EN, &options);
3700 sess->dataseq_inorder_en = test_bit(ISCSIOPT_DATA_SEQ_IN_ORDER,
3701 &options);
3702 sess->pdu_inorder_en = test_bit(ISCSIOPT_DATA_PDU_IN_ORDER, &options);
3703 sess->chap_auth_en = test_bit(ISCSIOPT_CHAP_AUTH_EN, &options);
3704 sess->discovery_logout_en = test_bit(ISCSIOPT_DISCOVERY_LOGOUT_EN,
3705 &options);
3706 sess->bidi_chap_en = test_bit(ISCSIOPT_BIDI_CHAP_EN, &options);
3707 sess->discovery_auth_optional =
3708 test_bit(ISCSIOPT_DISCOVERY_AUTH_OPTIONAL, &options);
3709 if (test_bit(ISCSIOPT_ERL1, &options))
3710 sess->erl |= BIT_1;
3711 if (test_bit(ISCSIOPT_ERL0, &options))
3712 sess->erl |= BIT_0;
3713
3714 options = le16_to_cpu(fw_ddb_entry->tcp_options);
3715 conn->tcp_timestamp_stat = test_bit(TCPOPT_TIMESTAMP_STAT, &options);
3716 conn->tcp_nagle_disable = test_bit(TCPOPT_NAGLE_DISABLE, &options);
3717 conn->tcp_wsf_disable = test_bit(TCPOPT_WSF_DISABLE, &options);
3718 if (test_bit(TCPOPT_TIMER_SCALE3, &options))
3719 conn->tcp_timer_scale |= BIT_3;
3720 if (test_bit(TCPOPT_TIMER_SCALE2, &options))
3721 conn->tcp_timer_scale |= BIT_2;
3722 if (test_bit(TCPOPT_TIMER_SCALE1, &options))
3723 conn->tcp_timer_scale |= BIT_1;
3724
3725 conn->tcp_timer_scale >>= 1;
3726 conn->tcp_timestamp_en = test_bit(TCPOPT_TIMESTAMP_EN, &options);
3727
3728 options = le16_to_cpu(fw_ddb_entry->ip_options);
3729 conn->fragment_disable = test_bit(IPOPT_FRAGMENT_DISABLE, &options);
3730
3731 conn->max_recv_dlength = BYTE_UNITS *
3732 le16_to_cpu(fw_ddb_entry->iscsi_max_rcv_data_seg_len);
3733 conn->max_xmit_dlength = BYTE_UNITS *
3734 le16_to_cpu(fw_ddb_entry->iscsi_max_snd_data_seg_len);
3735 sess->max_r2t = le16_to_cpu(fw_ddb_entry->iscsi_max_outsnd_r2t);
3736 sess->first_burst = BYTE_UNITS *
3737 le16_to_cpu(fw_ddb_entry->iscsi_first_burst_len);
3738 sess->max_burst = BYTE_UNITS *
3739 le16_to_cpu(fw_ddb_entry->iscsi_max_burst_len);
3740 sess->time2wait = le16_to_cpu(fw_ddb_entry->iscsi_def_time2wait);
3741 sess->time2retain = le16_to_cpu(fw_ddb_entry->iscsi_def_time2retain);
3742 sess->tpgt = le32_to_cpu(fw_ddb_entry->tgt_portal_grp);
3743 conn->max_segment_size = le16_to_cpu(fw_ddb_entry->mss);
3744 conn->tcp_xmit_wsf = fw_ddb_entry->tcp_xmt_wsf;
3745 conn->tcp_recv_wsf = fw_ddb_entry->tcp_rcv_wsf;
3746 conn->ipv4_tos = fw_ddb_entry->ipv4_tos;
3747 conn->keepalive_tmo = le16_to_cpu(fw_ddb_entry->ka_timeout);
3748 conn->local_port = le16_to_cpu(fw_ddb_entry->lcl_port);
3749 conn->statsn = le32_to_cpu(fw_ddb_entry->stat_sn);
3750 conn->exp_statsn = le32_to_cpu(fw_ddb_entry->exp_stat_sn);
3751 sess->tsid = le16_to_cpu(fw_ddb_entry->tsid);
3752 COPY_ISID(sess->isid, fw_ddb_entry->isid);
3753
3754 ddb_link = le16_to_cpu(fw_ddb_entry->ddb_link);
Adheer Chandravanshi8cc91d42013-07-01 05:54:13 -0400[diff] [blame]3755 if (ddb_link == DDB_ISNS)
3756 disc_parent = ISCSI_DISC_PARENT_ISNS;
3757 else if (ddb_link == DDB_NO_LINK)
3758 disc_parent = ISCSI_DISC_PARENT_UNKNOWN;
3759 else if (ddb_link < MAX_DDB_ENTRIES)
3760 disc_parent = ISCSI_DISC_PARENT_SENDTGT;
3761 else
3762 disc_parent = ISCSI_DISC_PARENT_UNKNOWN;
3763
3764 iscsi_set_param(conn->cls_conn, ISCSI_PARAM_DISCOVERY_PARENT_TYPE,
3765 iscsi_get_discovery_parent_name(disc_parent), 0);
3766
3767 iscsi_set_param(conn->cls_conn, ISCSI_PARAM_TARGET_ALIAS,
3768 (char *)fw_ddb_entry->iscsi_alias, 0);
Adheer Chandravanshifb734ee32013-11-22 05:28:22 -0500[diff] [blame]3769
3770 options = le16_to_cpu(fw_ddb_entry->options);
3771 if (options & DDB_OPT_IPV6_DEVICE) {
3772 memset(ip_addr, 0, sizeof(ip_addr));
3773 sprintf(ip_addr, "%pI6", fw_ddb_entry->link_local_ipv6_addr);
3774 iscsi_set_param(conn->cls_conn, ISCSI_PARAM_LOCAL_IPADDR,
3775 (char *)ip_addr, 0);
3776 }
Adheer Chandravanshi8cc91d42013-07-01 05:54:13 -0400[diff] [blame]3777}
3778
Mike Christie13483732011-12-01 21:38:41 -0600[diff] [blame]3779static void qla4xxx_copy_fwddb_param(struct scsi_qla_host *ha,
3780 struct dev_db_entry *fw_ddb_entry,
3781 struct iscsi_cls_session *cls_sess,
3782 struct iscsi_cls_conn *cls_conn)
3783{
3784 int buflen = 0;
3785 struct iscsi_session *sess;
Nilesh Javali376738a2012-02-27 03:08:52 -0800[diff] [blame]3786 struct ddb_entry *ddb_entry;
Adheer Chandravanshi946ac572013-09-17 07:54:46 -0400[diff] [blame]3787 struct ql4_chap_table chap_tbl;
Mike Christie13483732011-12-01 21:38:41 -0600[diff] [blame]3788 struct iscsi_conn *conn;
3789 char ip_addr[DDB_IPADDR_LEN];
3790 uint16_t options = 0;
3791
3792 sess = cls_sess->dd_data;
Nilesh Javali376738a2012-02-27 03:08:52 -0800[diff] [blame]3793 ddb_entry = sess->dd_data;
Mike Christie13483732011-12-01 21:38:41 -0600[diff] [blame]3794 conn = cls_conn->dd_data;
Adheer Chandravanshi946ac572013-09-17 07:54:46 -0400[diff] [blame]3795 memset(&chap_tbl, 0, sizeof(chap_tbl));
Mike Christie13483732011-12-01 21:38:41 -0600[diff] [blame]3796
Nilesh Javali376738a2012-02-27 03:08:52 -0800[diff] [blame]3797 ddb_entry->chap_tbl_idx = le16_to_cpu(fw_ddb_entry->chap_tbl_idx);
3798
Adheer Chandravanshi8cc91d42013-07-01 05:54:13 -0400[diff] [blame]3799 qla4xxx_copy_to_sess_conn_params(conn, sess, fw_ddb_entry);
Mike Christie13483732011-12-01 21:38:41 -0600[diff] [blame]3800
Adheer Chandravanshi8cc91d42013-07-01 05:54:13 -0400[diff] [blame]3801 sess->def_taskmgmt_tmo = le16_to_cpu(fw_ddb_entry->def_timeout);
Mike Christie13483732011-12-01 21:38:41 -0600[diff] [blame]3802 conn->persistent_port = le16_to_cpu(fw_ddb_entry->port);
3803
Adheer Chandravanshi8cc91d42013-07-01 05:54:13 -0400[diff] [blame]3804 memset(ip_addr, 0, sizeof(ip_addr));
Mike Christie13483732011-12-01 21:38:41 -0600[diff] [blame]3805 options = le16_to_cpu(fw_ddb_entry->options);
Adheer Chandravanshi8cc91d42013-07-01 05:54:13 -0400[diff] [blame]3806 if (options & DDB_OPT_IPV6_DEVICE) {
3807 iscsi_set_param(cls_conn, ISCSI_PARAM_PORTAL_TYPE, "ipv6", 4);
Mike Christie13483732011-12-01 21:38:41 -0600[diff] [blame]3808
Adheer Chandravanshi8cc91d42013-07-01 05:54:13 -0400[diff] [blame]3809 memset(ip_addr, 0, sizeof(ip_addr));
3810 sprintf(ip_addr, "%pI6", fw_ddb_entry->ip_addr);
3811 } else {
3812 iscsi_set_param(cls_conn, ISCSI_PARAM_PORTAL_TYPE, "ipv4", 4);
3813 sprintf(ip_addr, "%pI4", fw_ddb_entry->ip_addr);
3814 }
3815
3816 iscsi_set_param(cls_conn, ISCSI_PARAM_PERSISTENT_ADDRESS,
3817 (char *)ip_addr, buflen);
Mike Christie13483732011-12-01 21:38:41 -0600[diff] [blame]3818 iscsi_set_param(cls_conn, ISCSI_PARAM_TARGET_NAME,
3819 (char *)fw_ddb_entry->iscsi_name, buflen);
3820 iscsi_set_param(cls_conn, ISCSI_PARAM_INITIATOR_NAME,
3821 (char *)ha->name_string, buflen);
Adheer Chandravanshi946ac572013-09-17 07:54:46 -0400[diff] [blame]3822
3823 if (ddb_entry->chap_tbl_idx != INVALID_ENTRY) {
3824 if (!qla4xxx_get_uni_chap_at_index(ha, chap_tbl.name,
3825 chap_tbl.secret,
3826 ddb_entry->chap_tbl_idx)) {
3827 iscsi_set_param(cls_conn, ISCSI_PARAM_USERNAME,
3828 (char *)chap_tbl.name,
3829 strlen((char *)chap_tbl.name));
3830 iscsi_set_param(cls_conn, ISCSI_PARAM_PASSWORD,
3831 (char *)chap_tbl.secret,
3832 chap_tbl.secret_len);
3833 }
3834 }
Mike Christie13483732011-12-01 21:38:41 -0600[diff] [blame]3835}
3836
3837void qla4xxx_update_session_conn_fwddb_param(struct scsi_qla_host *ha,
3838 struct ddb_entry *ddb_entry)
3839{
3840 struct iscsi_cls_session *cls_sess;
3841 struct iscsi_cls_conn *cls_conn;
3842 uint32_t ddb_state;
3843 dma_addr_t fw_ddb_entry_dma;
3844 struct dev_db_entry *fw_ddb_entry;
3845
3846 fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
3847 &fw_ddb_entry_dma, GFP_KERNEL);
3848 if (!fw_ddb_entry) {
3849 ql4_printk(KERN_ERR, ha,
3850 "%s: Unable to allocate dma buffer\n", __func__);
3851 goto exit_session_conn_fwddb_param;
3852 }
3853
3854 if (qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index, fw_ddb_entry,
3855 fw_ddb_entry_dma, NULL, NULL, &ddb_state,
3856 NULL, NULL, NULL) == QLA_ERROR) {
3857 DEBUG2(ql4_printk(KERN_ERR, ha, "scsi%ld: %s: failed "
3858 "get_ddb_entry for fw_ddb_index %d\n",
3859 ha->host_no, __func__,
3860 ddb_entry->fw_ddb_index));
3861 goto exit_session_conn_fwddb_param;
3862 }
3863
3864 cls_sess = ddb_entry->sess;
3865
3866 cls_conn = ddb_entry->conn;
3867
3868 /* Update params */
3869 qla4xxx_copy_fwddb_param(ha, fw_ddb_entry, cls_sess, cls_conn);
3870
3871exit_session_conn_fwddb_param:
3872 if (fw_ddb_entry)
3873 dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
3874 fw_ddb_entry, fw_ddb_entry_dma);
3875}
3876
Manish Rangankarb3a271a2011-07-25 13:48:53 -0500[diff] [blame]3877void qla4xxx_update_session_conn_param(struct scsi_qla_host *ha,
3878 struct ddb_entry *ddb_entry)
3879{
3880 struct iscsi_cls_session *cls_sess;
3881 struct iscsi_cls_conn *cls_conn;
3882 struct iscsi_session *sess;
3883 struct iscsi_conn *conn;
3884 uint32_t ddb_state;
3885 dma_addr_t fw_ddb_entry_dma;
3886 struct dev_db_entry *fw_ddb_entry;
3887
3888 fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
3889 &fw_ddb_entry_dma, GFP_KERNEL);
3890 if (!fw_ddb_entry) {
3891 ql4_printk(KERN_ERR, ha,
3892 "%s: Unable to allocate dma buffer\n", __func__);
Mike Christie13483732011-12-01 21:38:41 -0600[diff] [blame]3893 goto exit_session_conn_param;
Manish Rangankarb3a271a2011-07-25 13:48:53 -0500[diff] [blame]3894 }
3895
3896 if (qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index, fw_ddb_entry,
3897 fw_ddb_entry_dma, NULL, NULL, &ddb_state,
3898 NULL, NULL, NULL) == QLA_ERROR) {
3899 DEBUG2(ql4_printk(KERN_ERR, ha, "scsi%ld: %s: failed "
3900 "get_ddb_entry for fw_ddb_index %d\n",
3901 ha->host_no, __func__,
3902 ddb_entry->fw_ddb_index));
Mike Christie13483732011-12-01 21:38:41 -0600[diff] [blame]3903 goto exit_session_conn_param;
Manish Rangankarb3a271a2011-07-25 13:48:53 -0500[diff] [blame]3904 }
3905
3906 cls_sess = ddb_entry->sess;
3907 sess = cls_sess->dd_data;
3908
3909 cls_conn = ddb_entry->conn;
3910 conn = cls_conn->dd_data;
3911
Mike Christie13483732011-12-01 21:38:41 -0600[diff] [blame]3912 /* Update timers after login */
3913 ddb_entry->default_relogin_timeout =
Nilesh Javalic28eaac2011-12-18 21:40:44 -0800[diff] [blame]3914 (le16_to_cpu(fw_ddb_entry->def_timeout) > LOGIN_TOV) &&
3915 (le16_to_cpu(fw_ddb_entry->def_timeout) < LOGIN_TOV * 10) ?
3916 le16_to_cpu(fw_ddb_entry->def_timeout) : LOGIN_TOV;
Mike Christie13483732011-12-01 21:38:41 -0600[diff] [blame]3917 ddb_entry->default_time2wait =
3918 le16_to_cpu(fw_ddb_entry->iscsi_def_time2wait);
3919
Manish Rangankarb3a271a2011-07-25 13:48:53 -0500[diff] [blame]3920 /* Update params */
Nilesh Javali376738a2012-02-27 03:08:52 -0800[diff] [blame]3921 ddb_entry->chap_tbl_idx = le16_to_cpu(fw_ddb_entry->chap_tbl_idx);
Adheer Chandravanshi8cc91d42013-07-01 05:54:13 -0400[diff] [blame]3922 qla4xxx_copy_to_sess_conn_params(conn, sess, fw_ddb_entry);
Manish Rangankarb3a271a2011-07-25 13:48:53 -0500[diff] [blame]3923
3924 memcpy(sess->initiatorname, ha->name_string,
3925 min(sizeof(ha->name_string), sizeof(sess->initiatorname)));
Mike Christie13483732011-12-01 21:38:41 -0600[diff] [blame]3926
3927exit_session_conn_param:
3928 if (fw_ddb_entry)
3929 dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
3930 fw_ddb_entry, fw_ddb_entry_dma);
Manish Rangankarb3a271a2011-07-25 13:48:53 -0500[diff] [blame]3931}
3932
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]3933/*
3934 * Timer routines
3935 */
3936
3937static void qla4xxx_start_timer(struct scsi_qla_host *ha, void *func,
3938 unsigned long interval)
3939{
3940 DEBUG(printk("scsi: %s: Starting timer thread for adapter %d\n",
3941 __func__, ha->host->host_no));
3942 init_timer(&ha->timer);
3943 ha->timer.expires = jiffies + interval * HZ;
3944 ha->timer.data = (unsigned long)ha;
3945 ha->timer.function = (void (*)(unsigned long))func;
3946 add_timer(&ha->timer);
3947 ha->timer_active = 1;
3948}
3949
3950static void qla4xxx_stop_timer(struct scsi_qla_host *ha)
3951{
3952 del_timer_sync(&ha->timer);
3953 ha->timer_active = 0;
3954}
3955
3956/***
Manish Rangankarb3a271a2011-07-25 13:48:53 -0500[diff] [blame]3957 * qla4xxx_mark_device_missing - blocks the session
3958 * @cls_session: Pointer to the session to be blocked
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]3959 * @ddb_entry: Pointer to device database entry
3960 *
Vikas Chaudharyf4f5df232010-07-28 15:53:44 +0530[diff] [blame]3961 * This routine marks a device missing and close connection.
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]3962 **/
Manish Rangankarb3a271a2011-07-25 13:48:53 -0500[diff] [blame]3963void qla4xxx_mark_device_missing(struct iscsi_cls_session *cls_session)
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]3964{
Manish Rangankarb3a271a2011-07-25 13:48:53 -0500[diff] [blame]3965 iscsi_block_session(cls_session);
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]3966}
3967
Vikas Chaudharyf4f5df232010-07-28 15:53:44 +0530[diff] [blame]3968/**
3969 * qla4xxx_mark_all_devices_missing - mark all devices as missing.
3970 * @ha: Pointer to host adapter structure.
3971 *
3972 * This routine marks a device missing and resets the relogin retry count.
3973 **/
3974void qla4xxx_mark_all_devices_missing(struct scsi_qla_host *ha)
3975{
Manish Rangankarb3a271a2011-07-25 13:48:53 -0500[diff] [blame]3976 iscsi_host_for_each_session(ha->host, qla4xxx_mark_device_missing);
Vikas Chaudharyf4f5df232010-07-28 15:53:44 +0530[diff] [blame]3977}
3978
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]3979static struct srb* qla4xxx_get_new_srb(struct scsi_qla_host *ha,
3980 struct ddb_entry *ddb_entry,
Vikas Chaudhary8f0722c2011-05-17 23:17:10 -0700[diff] [blame]3981 struct scsi_cmnd *cmd)
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]3982{
3983 struct srb *srb;
3984
3985 srb = mempool_alloc(ha->srb_mempool, GFP_ATOMIC);
3986 if (!srb)
3987 return srb;
3988
Vikas Chaudhary09a0f712010-04-28 11:42:24 +0530[diff] [blame]3989 kref_init(&srb->srb_ref);
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]3990 srb->ha = ha;
3991 srb->ddb = ddb_entry;
3992 srb->cmd = cmd;
3993 srb->flags = 0;
Vikas Chaudhary53698872010-04-28 11:41:59 +0530[diff] [blame]3994 CMD_SP(cmd) = (void *)srb;
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]3995
3996 return srb;
3997}
3998
3999static void qla4xxx_srb_free_dma(struct scsi_qla_host *ha, struct srb *srb)
4000{
4001 struct scsi_cmnd *cmd = srb->cmd;
4002
4003 if (srb->flags & SRB_DMA_VALID) {
FUJITA Tomonori5f7186c2007-05-26 14:08:20 +0900[diff] [blame]4004 scsi_dma_unmap(cmd);
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]4005 srb->flags &= ~SRB_DMA_VALID;
4006 }
Vikas Chaudhary53698872010-04-28 11:41:59 +0530[diff] [blame]4007 CMD_SP(cmd) = NULL;
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]4008}
4009
Vikas Chaudhary09a0f712010-04-28 11:42:24 +0530[diff] [blame]4010void qla4xxx_srb_compl(struct kref *ref)
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]4011{
Vikas Chaudhary09a0f712010-04-28 11:42:24 +0530[diff] [blame]4012 struct srb *srb = container_of(ref, struct srb, srb_ref);
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]4013 struct scsi_cmnd *cmd = srb->cmd;
Vikas Chaudhary09a0f712010-04-28 11:42:24 +0530[diff] [blame]4014 struct scsi_qla_host *ha = srb->ha;
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]4015
4016 qla4xxx_srb_free_dma(ha, srb);
4017
4018 mempool_free(srb, ha->srb_mempool);
4019
4020 cmd->scsi_done(cmd);
4021}
4022
4023/**
4024 * qla4xxx_queuecommand - scsi layer issues scsi command to driver.
Vikas Chaudhary8f0722c2011-05-17 23:17:10 -0700[diff] [blame]4025 * @host: scsi host
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]4026 * @cmd: Pointer to Linux's SCSI command structure
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]4027 *
4028 * Remarks:
4029 * This routine is invoked by Linux to send a SCSI command to the driver.
4030 * The mid-level driver tries to ensure that queuecommand never gets
4031 * invoked concurrently with itself or the interrupt handler (although
4032 * the interrupt handler may call this routine as part of request-
4033 * completion handling). Unfortunely, it sometimes calls the scheduler
4034 * in interrupt context which is a big NO! NO!.
4035 **/
Vikas Chaudhary8f0722c2011-05-17 23:17:10 -0700[diff] [blame]4036static int qla4xxx_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd)
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]4037{
Vikas Chaudhary8f0722c2011-05-17 23:17:10 -0700[diff] [blame]4038 struct scsi_qla_host *ha = to_qla_host(host);
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]4039 struct ddb_entry *ddb_entry = cmd->device->hostdata;
Mike Christie7fb19212008-01-31 13:36:45 -0600[diff] [blame]4040 struct iscsi_cls_session *sess = ddb_entry->sess;
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]4041 struct srb *srb;
4042 int rval;
4043
Lalit Chandivade2232be02010-07-30 14:38:47 +0530[diff] [blame]4044 if (test_bit(AF_EEH_BUSY, &ha->flags)) {
4045 if (test_bit(AF_PCI_CHANNEL_IO_PERM_FAILURE, &ha->flags))
4046 cmd->result = DID_NO_CONNECT << 16;
4047 else
4048 cmd->result = DID_REQUEUE << 16;
4049 goto qc_fail_command;
4050 }
4051
Mike Christie7fb19212008-01-31 13:36:45 -0600[diff] [blame]4052 if (!sess) {
4053 cmd->result = DID_IMM_RETRY << 16;
4054 goto qc_fail_command;
4055 }
4056
4057 rval = iscsi_session_chkready(sess);
4058 if (rval) {
4059 cmd->result = rval;
4060 goto qc_fail_command;
4061 }
4062
Vikas Chaudharyf4f5df232010-07-28 15:53:44 +0530[diff] [blame]4063 if (test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags) ||
4064 test_bit(DPC_RESET_ACTIVE, &ha->dpc_flags) ||
4065 test_bit(DPC_RESET_HA, &ha->dpc_flags) ||
4066 test_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags) ||
4067 test_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags) ||
4068 !test_bit(AF_ONLINE, &ha->flags) ||
Manish Rangankarb3a271a2011-07-25 13:48:53 -0500[diff] [blame]4069 !test_bit(AF_LINK_UP, &ha->flags) ||
Nilesh Javali026fbd32013-01-20 23:50:58 -0500[diff] [blame]4070 test_bit(AF_LOOPBACK, &ha->flags) ||
Nilesh Javali7ab284c2013-08-16 07:03:03 -0400[diff] [blame]4071 test_bit(DPC_POST_IDC_ACK, &ha->dpc_flags) ||
4072 test_bit(DPC_RESTORE_ACB, &ha->dpc_flags) ||
Vikas Chaudharyf4f5df232010-07-28 15:53:44 +0530[diff] [blame]4073 test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags))
David C Somayajulu477ffb92007-01-22 12:26:11 -0800[diff] [blame]4074 goto qc_host_busy;
4075
Vikas Chaudhary8f0722c2011-05-17 23:17:10 -0700[diff] [blame]4076 srb = qla4xxx_get_new_srb(ha, ddb_entry, cmd);
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]4077 if (!srb)
Vikas Chaudhary8f0722c2011-05-17 23:17:10 -0700[diff] [blame]4078 goto qc_host_busy;
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]4079
4080 rval = qla4xxx_send_command_to_isp(ha, srb);
4081 if (rval != QLA_SUCCESS)
4082 goto qc_host_busy_free_sp;
4083
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]4084 return 0;
4085
4086qc_host_busy_free_sp:
4087 qla4xxx_srb_free_dma(ha, srb);
4088 mempool_free(srb, ha->srb_mempool);
4089
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]4090qc_host_busy:
4091 return SCSI_MLQUEUE_HOST_BUSY;
4092
4093qc_fail_command:
Vikas Chaudhary8f0722c2011-05-17 23:17:10 -0700[diff] [blame]4094 cmd->scsi_done(cmd);
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]4095
4096 return 0;
4097}
4098
4099/**
4100 * qla4xxx_mem_free - frees memory allocated to adapter
4101 * @ha: Pointer to host adapter structure.
4102 *
4103 * Frees memory previously allocated by qla4xxx_mem_alloc
4104 **/
4105static void qla4xxx_mem_free(struct scsi_qla_host *ha)
4106{
4107 if (ha->queues)
4108 dma_free_coherent(&ha->pdev->dev, ha->queues_len, ha->queues,
4109 ha->queues_dma);
4110
Tej Parkash068237c82012-05-18 04:41:44 -0400[diff] [blame]4111 if (ha->fw_dump)
4112 vfree(ha->fw_dump);
4113
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]4114 ha->queues_len = 0;
4115 ha->queues = NULL;
4116 ha->queues_dma = 0;
4117 ha->request_ring = NULL;
4118 ha->request_dma = 0;
4119 ha->response_ring = NULL;
4120 ha->response_dma = 0;
4121 ha->shadow_regs = NULL;
4122 ha->shadow_regs_dma = 0;
Tej Parkash068237c82012-05-18 04:41:44 -0400[diff] [blame]4123 ha->fw_dump = NULL;
4124 ha->fw_dump_size = 0;
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]4125
4126 /* Free srb pool. */
4127 if (ha->srb_mempool)
4128 mempool_destroy(ha->srb_mempool);
4129
4130 ha->srb_mempool = NULL;
4131
Manish Rangankarb3a271a2011-07-25 13:48:53 -0500[diff] [blame]4132 if (ha->chap_dma_pool)
4133 dma_pool_destroy(ha->chap_dma_pool);
4134
Lalit Chandivade45494152011-10-07 16:55:42 -0700[diff] [blame]4135 if (ha->chap_list)
4136 vfree(ha->chap_list);
4137 ha->chap_list = NULL;
4138
Mike Christie13483732011-12-01 21:38:41 -0600[diff] [blame]4139 if (ha->fw_ddb_dma_pool)
4140 dma_pool_destroy(ha->fw_ddb_dma_pool);
4141
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]4142 /* release io space registers */
Vikas Chaudharyf4f5df232010-07-28 15:53:44 +0530[diff] [blame]4143 if (is_qla8022(ha)) {
4144 if (ha->nx_pcibase)
4145 iounmap(
4146 (struct device_reg_82xx __iomem *)ha->nx_pcibase);
Vikas Chaudharyb37ca412013-08-16 07:03:02 -0400[diff] [blame]4147 } else if (is_qla8032(ha) || is_qla8042(ha)) {
Vikas Chaudhary6e7b4292012-08-22 07:55:08 -0400[diff] [blame]4148 if (ha->nx_pcibase)
4149 iounmap(
4150 (struct device_reg_83xx __iomem *)ha->nx_pcibase);
4151 } else if (ha->reg) {
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]4152 iounmap(ha->reg);
Vikas Chaudhary6e7b4292012-08-22 07:55:08 -0400[diff] [blame]4153 }
4154
4155 if (ha->reset_tmplt.buff)
4156 vfree(ha->reset_tmplt.buff);
4157
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]4158 pci_release_regions(ha->pdev);
4159}
4160
4161/**
4162 * qla4xxx_mem_alloc - allocates memory for use by adapter.
4163 * @ha: Pointer to host adapter structure
4164 *
4165 * Allocates DMA memory for request and response queues. Also allocates memory
4166 * for srbs.
4167 **/
4168static int qla4xxx_mem_alloc(struct scsi_qla_host *ha)
4169{
4170 unsigned long align;
4171
4172 /* Allocate contiguous block of DMA memory for queues. */
4173 ha->queues_len = ((REQUEST_QUEUE_DEPTH * QUEUE_SIZE) +
4174 (RESPONSE_QUEUE_DEPTH * QUEUE_SIZE) +
4175 sizeof(struct shadow_regs) +
4176 MEM_ALIGN_VALUE +
4177 (PAGE_SIZE - 1)) & ~(PAGE_SIZE - 1);
4178 ha->queues = dma_alloc_coherent(&ha->pdev->dev, ha->queues_len,
4179 &ha->queues_dma, GFP_KERNEL);
4180 if (ha->queues == NULL) {
Vikas Chaudharyc2660df2010-07-10 14:51:02 +0530[diff] [blame]4181 ql4_printk(KERN_WARNING, ha,
4182 "Memory Allocation failed - queues.\n");
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]4183
4184 goto mem_alloc_error_exit;
4185 }
4186 memset(ha->queues, 0, ha->queues_len);
4187
4188 /*
4189 * As per RISC alignment requirements -- the bus-address must be a
4190 * multiple of the request-ring size (in bytes).
4191 */
4192 align = 0;
4193 if ((unsigned long)ha->queues_dma & (MEM_ALIGN_VALUE - 1))
4194 align = MEM_ALIGN_VALUE - ((unsigned long)ha->queues_dma &
4195 (MEM_ALIGN_VALUE - 1));
4196
4197 /* Update request and response queue pointers. */
4198 ha->request_dma = ha->queues_dma + align;
4199 ha->request_ring = (struct queue_entry *) (ha->queues + align);
4200 ha->response_dma = ha->queues_dma + align +
4201 (REQUEST_QUEUE_DEPTH * QUEUE_SIZE);
4202 ha->response_ring = (struct queue_entry *) (ha->queues + align +
4203 (REQUEST_QUEUE_DEPTH *
4204 QUEUE_SIZE));
4205 ha->shadow_regs_dma = ha->queues_dma + align +
4206 (REQUEST_QUEUE_DEPTH * QUEUE_SIZE) +
4207 (RESPONSE_QUEUE_DEPTH * QUEUE_SIZE);
4208 ha->shadow_regs = (struct shadow_regs *) (ha->queues + align +
4209 (REQUEST_QUEUE_DEPTH *
4210 QUEUE_SIZE) +
4211 (RESPONSE_QUEUE_DEPTH *
4212 QUEUE_SIZE));
4213
4214 /* Allocate memory for srb pool. */
4215 ha->srb_mempool = mempool_create(SRB_MIN_REQ, mempool_alloc_slab,
4216 mempool_free_slab, srb_cachep);
4217 if (ha->srb_mempool == NULL) {
Vikas Chaudharyc2660df2010-07-10 14:51:02 +0530[diff] [blame]4218 ql4_printk(KERN_WARNING, ha,
4219 "Memory Allocation failed - SRB Pool.\n");
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]4220
4221 goto mem_alloc_error_exit;
4222 }
4223
Manish Rangankarb3a271a2011-07-25 13:48:53 -0500[diff] [blame]4224 ha->chap_dma_pool = dma_pool_create("ql4_chap", &ha->pdev->dev,
4225 CHAP_DMA_BLOCK_SIZE, 8, 0);
4226
4227 if (ha->chap_dma_pool == NULL) {
4228 ql4_printk(KERN_WARNING, ha,
4229 "%s: chap_dma_pool allocation failed..\n", __func__);
4230 goto mem_alloc_error_exit;
4231 }
4232
Mike Christie13483732011-12-01 21:38:41 -0600[diff] [blame]4233 ha->fw_ddb_dma_pool = dma_pool_create("ql4_fw_ddb", &ha->pdev->dev,
4234 DDB_DMA_BLOCK_SIZE, 8, 0);
4235
4236 if (ha->fw_ddb_dma_pool == NULL) {
4237 ql4_printk(KERN_WARNING, ha,
4238 "%s: fw_ddb_dma_pool allocation failed..\n",
4239 __func__);
4240 goto mem_alloc_error_exit;
4241 }
4242
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]4243 return QLA_SUCCESS;
4244
4245mem_alloc_error_exit:
4246 qla4xxx_mem_free(ha);
4247 return QLA_ERROR;
4248}
4249
4250/**
Mike Hernandez4f770832012-01-11 02:44:15 -0800[diff] [blame]4251 * qla4_8xxx_check_temp - Check the ISP82XX temperature.
4252 * @ha: adapter block pointer.
4253 *
4254 * Note: The caller should not hold the idc lock.
4255 **/
4256static int qla4_8xxx_check_temp(struct scsi_qla_host *ha)
4257{
4258 uint32_t temp, temp_state, temp_val;
4259 int status = QLA_SUCCESS;
4260
Vikas Chaudhary33693c72012-08-22 07:55:04 -0400[diff] [blame]4261 temp = qla4_8xxx_rd_direct(ha, QLA8XXX_CRB_TEMP_STATE);
Mike Hernandez4f770832012-01-11 02:44:15 -0800[diff] [blame]4262
4263 temp_state = qla82xx_get_temp_state(temp);
4264 temp_val = qla82xx_get_temp_val(temp);
4265
4266 if (temp_state == QLA82XX_TEMP_PANIC) {
4267 ql4_printk(KERN_WARNING, ha, "Device temperature %d degrees C"
4268 " exceeds maximum allowed. Hardware has been shut"
4269 " down.\n", temp_val);
4270 status = QLA_ERROR;
4271 } else if (temp_state == QLA82XX_TEMP_WARN) {
4272 if (ha->temperature == QLA82XX_TEMP_NORMAL)
4273 ql4_printk(KERN_WARNING, ha, "Device temperature %d"
4274 " degrees C exceeds operating range."
4275 " Immediate action needed.\n", temp_val);
4276 } else {
4277 if (ha->temperature == QLA82XX_TEMP_WARN)
4278 ql4_printk(KERN_INFO, ha, "Device temperature is"
4279 " now %d degrees C in normal range.\n",
4280 temp_val);
4281 }
4282 ha->temperature = temp_state;
4283 return status;
4284}
4285
4286/**
Vikas Chaudharyf4f5df232010-07-28 15:53:44 +0530[diff] [blame]4287 * qla4_8xxx_check_fw_alive - Check firmware health
4288 * @ha: Pointer to host adapter structure.
4289 *
4290 * Context: Interrupt
4291 **/
Shyam Sunder9ee91a32011-12-01 22:42:13 -0800[diff] [blame]4292static int qla4_8xxx_check_fw_alive(struct scsi_qla_host *ha)
Vikas Chaudharyf4f5df232010-07-28 15:53:44 +0530[diff] [blame]4293{
Shyam Sunder9ee91a32011-12-01 22:42:13 -0800[diff] [blame]4294 uint32_t fw_heartbeat_counter;
4295 int status = QLA_SUCCESS;
Vikas Chaudharyf4f5df232010-07-28 15:53:44 +0530[diff] [blame]4296
Vikas Chaudhary33693c72012-08-22 07:55:04 -0400[diff] [blame]4297 fw_heartbeat_counter = qla4_8xxx_rd_direct(ha,
4298 QLA8XXX_PEG_ALIVE_COUNTER);
Lalit Chandivade2232be02010-07-30 14:38:47 +0530[diff] [blame]4299 /* If PEG_ALIVE_COUNTER is 0xffffffff, AER/EEH is in progress, ignore */
4300 if (fw_heartbeat_counter == 0xffffffff) {
4301 DEBUG2(printk(KERN_WARNING "scsi%ld: %s: Device in frozen "
4302 "state, QLA82XX_PEG_ALIVE_COUNTER is 0xffffffff\n",
4303 ha->host_no, __func__));
Shyam Sunder9ee91a32011-12-01 22:42:13 -0800[diff] [blame]4304 return status;
Lalit Chandivade2232be02010-07-30 14:38:47 +0530[diff] [blame]4305 }
Vikas Chaudharyf4f5df232010-07-28 15:53:44 +0530[diff] [blame]4306
4307 if (ha->fw_heartbeat_counter == fw_heartbeat_counter) {
4308 ha->seconds_since_last_heartbeat++;
4309 /* FW not alive after 2 seconds */
4310 if (ha->seconds_since_last_heartbeat == 2) {
4311 ha->seconds_since_last_heartbeat = 0;
Vikas Chaudhary6e7b4292012-08-22 07:55:08 -0400[diff] [blame]4312 qla4_8xxx_dump_peg_reg(ha);
Shyam Sunder9ee91a32011-12-01 22:42:13 -0800[diff] [blame]4313 status = QLA_ERROR;
Vikas Chaudharyf4f5df232010-07-28 15:53:44 +0530[diff] [blame]4314 }
Lalit Chandivade99457d72010-10-06 22:49:32 -0700[diff] [blame]4315 } else
4316 ha->seconds_since_last_heartbeat = 0;
4317
Vikas Chaudharyf4f5df232010-07-28 15:53:44 +0530[diff] [blame]4318 ha->fw_heartbeat_counter = fw_heartbeat_counter;
Shyam Sunder9ee91a32011-12-01 22:42:13 -0800[diff] [blame]4319 return status;
Vikas Chaudharyf4f5df232010-07-28 15:53:44 +0530[diff] [blame]4320}
4321
Vikas Chaudhary6e7b4292012-08-22 07:55:08 -0400[diff] [blame]4322static void qla4_8xxx_process_fw_error(struct scsi_qla_host *ha)
4323{
4324 uint32_t halt_status;
4325 int halt_status_unrecoverable = 0;
4326
4327 halt_status = qla4_8xxx_rd_direct(ha, QLA8XXX_PEG_HALT_STATUS1);
4328
4329 if (is_qla8022(ha)) {
4330 ql4_printk(KERN_INFO, ha, "%s: disabling pause transmit on port 0 & 1.\n",
4331 __func__);
4332 qla4_82xx_wr_32(ha, QLA82XX_CRB_NIU + 0x98,
4333 CRB_NIU_XG_PAUSE_CTL_P0 |
4334 CRB_NIU_XG_PAUSE_CTL_P1);
4335
4336 if (QLA82XX_FWERROR_CODE(halt_status) == 0x67)
4337 ql4_printk(KERN_ERR, ha, "%s: Firmware aborted with error code 0x00006700. Device is being reset\n",
4338 __func__);
4339 if (halt_status & HALT_STATUS_UNRECOVERABLE)
4340 halt_status_unrecoverable = 1;
Vikas Chaudharyb37ca412013-08-16 07:03:02 -0400[diff] [blame]4341 } else if (is_qla8032(ha) || is_qla8042(ha)) {
Vikas Chaudhary6e7b4292012-08-22 07:55:08 -0400[diff] [blame]4342 if (halt_status & QLA83XX_HALT_STATUS_FW_RESET)
4343 ql4_printk(KERN_ERR, ha, "%s: Firmware error detected device is being reset\n",
4344 __func__);
4345 else if (halt_status & QLA83XX_HALT_STATUS_UNRECOVERABLE)
4346 halt_status_unrecoverable = 1;
4347 }
4348
4349 /*
4350 * Since we cannot change dev_state in interrupt context,
4351 * set appropriate DPC flag then wakeup DPC
4352 */
4353 if (halt_status_unrecoverable) {
4354 set_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags);
4355 } else {
4356 ql4_printk(KERN_INFO, ha, "%s: detect abort needed!\n",
4357 __func__);
4358 set_bit(DPC_RESET_HA, &ha->dpc_flags);
4359 }
4360 qla4xxx_mailbox_premature_completion(ha);
4361 qla4xxx_wake_dpc(ha);
4362}
4363
Vikas Chaudharyf4f5df232010-07-28 15:53:44 +0530[diff] [blame]4364/**
4365 * qla4_8xxx_watchdog - Poll dev state
4366 * @ha: Pointer to host adapter structure.
4367 *
4368 * Context: Interrupt
4369 **/
4370void qla4_8xxx_watchdog(struct scsi_qla_host *ha)
4371{
Vikas Chaudhary6e7b4292012-08-22 07:55:08 -0400[diff] [blame]4372 uint32_t dev_state;
Vikas Chaudhary6cf94122013-03-07 05:43:10 -0500[diff] [blame]4373 uint32_t idc_ctrl;
Vikas Chaudharyf4f5df232010-07-28 15:53:44 +0530[diff] [blame]4374
Vikas Chaudharya083e8b2013-12-16 06:49:32 -0500[diff] [blame]4375 if (is_qla8032(ha) &&
4376 (qla4_83xx_is_detached(ha) == QLA_SUCCESS))
4377 WARN_ONCE(1, "%s: iSCSI function %d marked invisible\n",
4378 __func__, ha->func_num);
4379
Vikas Chaudharyf4f5df232010-07-28 15:53:44 +0530[diff] [blame]4380 /* don't poll if reset is going on */
Lalit Chandivaded56a1f72010-12-02 22:12:45 -0800[diff] [blame]4381 if (!(test_bit(DPC_RESET_ACTIVE, &ha->dpc_flags) ||
4382 test_bit(DPC_RESET_HA, &ha->dpc_flags) ||
Vikas Chaudhary977f46a2011-05-17 23:17:08 -0700[diff] [blame]4383 test_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags))) {
Vikas Chaudhary33693c72012-08-22 07:55:04 -0400[diff] [blame]4384 dev_state = qla4_8xxx_rd_direct(ha, QLA8XXX_CRB_DEV_STATE);
Mike Hernandez4f770832012-01-11 02:44:15 -0800[diff] [blame]4385
4386 if (qla4_8xxx_check_temp(ha)) {
Vikas Chaudhary6e7b4292012-08-22 07:55:08 -0400[diff] [blame]4387 if (is_qla8022(ha)) {
4388 ql4_printk(KERN_INFO, ha, "disabling pause transmit on port 0 & 1.\n");
4389 qla4_82xx_wr_32(ha, QLA82XX_CRB_NIU + 0x98,
4390 CRB_NIU_XG_PAUSE_CTL_P0 |
4391 CRB_NIU_XG_PAUSE_CTL_P1);
4392 }
Mike Hernandez4f770832012-01-11 02:44:15 -0800[diff] [blame]4393 set_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags);
4394 qla4xxx_wake_dpc(ha);
Vikas Chaudharyde8c72d2012-08-22 09:14:24 -0400[diff] [blame]4395 } else if (dev_state == QLA8XXX_DEV_NEED_RESET &&
Vikas Chaudhary6e7b4292012-08-22 07:55:08 -0400[diff] [blame]4396 !test_bit(DPC_RESET_HA, &ha->dpc_flags)) {
Vikas Chaudhary6cf94122013-03-07 05:43:10 -0500[diff] [blame]4397
4398 ql4_printk(KERN_INFO, ha, "%s: HW State: NEED RESET!\n",
4399 __func__);
4400
Vikas Chaudharyb37ca412013-08-16 07:03:02 -0400[diff] [blame]4401 if (is_qla8032(ha) || is_qla8042(ha)) {
Vikas Chaudhary6cf94122013-03-07 05:43:10 -0500[diff] [blame]4402 idc_ctrl = qla4_83xx_rd_reg(ha,
4403 QLA83XX_IDC_DRV_CTRL);
4404 if (!(idc_ctrl & GRACEFUL_RESET_BIT1)) {
4405 ql4_printk(KERN_INFO, ha, "%s: Graceful reset bit is not set\n",
4406 __func__);
4407 qla4xxx_mailbox_premature_completion(
4408 ha);
4409 }
4410 }
4411
Vikas Chaudharyb37ca412013-08-16 07:03:02 -0400[diff] [blame]4412 if ((is_qla8032(ha) || is_qla8042(ha)) ||
Vikas Chaudhary6e7b4292012-08-22 07:55:08 -0400[diff] [blame]4413 (is_qla8022(ha) && !ql4xdontresethba)) {
Vikas Chaudhary3930b8c2010-12-02 22:12:47 -0800[diff] [blame]4414 set_bit(DPC_RESET_HA, &ha->dpc_flags);
4415 qla4xxx_wake_dpc(ha);
Vikas Chaudhary3930b8c2010-12-02 22:12:47 -0800[diff] [blame]4416 }
Vikas Chaudharyde8c72d2012-08-22 09:14:24 -0400[diff] [blame]4417 } else if (dev_state == QLA8XXX_DEV_NEED_QUIESCENT &&
Vikas Chaudharyf4f5df232010-07-28 15:53:44 +0530[diff] [blame]4418 !test_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags)) {
Vikas Chaudhary3930b8c2010-12-02 22:12:47 -0800[diff] [blame]4419 ql4_printk(KERN_INFO, ha, "%s: HW State: NEED QUIES!\n",
4420 __func__);
Vikas Chaudharyf4f5df232010-07-28 15:53:44 +0530[diff] [blame]4421 set_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags);
4422 qla4xxx_wake_dpc(ha);
4423 } else {
4424 /* Check firmware health */
Vikas Chaudhary6e7b4292012-08-22 07:55:08 -0400[diff] [blame]4425 if (qla4_8xxx_check_fw_alive(ha))
4426 qla4_8xxx_process_fw_error(ha);
Vikas Chaudharyf4f5df232010-07-28 15:53:44 +0530[diff] [blame]4427 }
4428 }
4429}
4430
Lalit Chandivade4a4bc2e2011-12-16 01:58:55 -0800[diff] [blame]4431static void qla4xxx_check_relogin_flash_ddb(struct iscsi_cls_session *cls_sess)
Mike Christie13483732011-12-01 21:38:41 -0600[diff] [blame]4432{
4433 struct iscsi_session *sess;
4434 struct ddb_entry *ddb_entry;
4435 struct scsi_qla_host *ha;
4436
4437 sess = cls_sess->dd_data;
4438 ddb_entry = sess->dd_data;
4439 ha = ddb_entry->ha;
4440
4441 if (!(ddb_entry->ddb_type == FLASH_DDB))
4442 return;
4443
4444 if (adapter_up(ha) && !test_bit(DF_RELOGIN, &ddb_entry->flags) &&
4445 !iscsi_is_session_online(cls_sess)) {
4446 if (atomic_read(&ddb_entry->retry_relogin_timer) !=
4447 INVALID_ENTRY) {
4448 if (atomic_read(&ddb_entry->retry_relogin_timer) ==
4449 0) {
4450 atomic_set(&ddb_entry->retry_relogin_timer,
4451 INVALID_ENTRY);
4452 set_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags);
4453 set_bit(DF_RELOGIN, &ddb_entry->flags);
4454 DEBUG2(ql4_printk(KERN_INFO, ha,
4455 "%s: index [%d] login device\n",
4456 __func__, ddb_entry->fw_ddb_index));
4457 } else
4458 atomic_dec(&ddb_entry->retry_relogin_timer);
4459 }
4460 }
4461
4462 /* Wait for relogin to timeout */
4463 if (atomic_read(&ddb_entry->relogin_timer) &&
4464 (atomic_dec_and_test(&ddb_entry->relogin_timer) != 0)) {
4465 /*
4466 * If the relogin times out and the device is
4467 * still NOT ONLINE then try and relogin again.
4468 */
4469 if (!iscsi_is_session_online(cls_sess)) {
4470 /* Reset retry relogin timer */
4471 atomic_inc(&ddb_entry->relogin_retry_count);
4472 DEBUG2(ql4_printk(KERN_INFO, ha,
4473 "%s: index[%d] relogin timed out-retrying"
4474 " relogin (%d), retry (%d)\n", __func__,
4475 ddb_entry->fw_ddb_index,
4476 atomic_read(&ddb_entry->relogin_retry_count),
4477 ddb_entry->default_time2wait + 4));
4478 set_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags);
4479 atomic_set(&ddb_entry->retry_relogin_timer,
4480 ddb_entry->default_time2wait + 4);
4481 }
4482 }
4483}
4484
Vikas Chaudharyf4f5df232010-07-28 15:53:44 +0530[diff] [blame]4485/**
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]4486 * qla4xxx_timer - checks every second for work to do.
4487 * @ha: Pointer to host adapter structure.
4488 **/
4489static void qla4xxx_timer(struct scsi_qla_host *ha)
4490{
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]4491 int start_dpc = 0;
Lalit Chandivade2232be02010-07-30 14:38:47 +0530[diff] [blame]4492 uint16_t w;
4493
Mike Christie13483732011-12-01 21:38:41 -0600[diff] [blame]4494 iscsi_host_for_each_session(ha->host, qla4xxx_check_relogin_flash_ddb);
4495
Lalit Chandivade2232be02010-07-30 14:38:47 +0530[diff] [blame]4496 /* If we are in the middle of AER/EEH processing
4497 * skip any processing and reschedule the timer
4498 */
4499 if (test_bit(AF_EEH_BUSY, &ha->flags)) {
4500 mod_timer(&ha->timer, jiffies + HZ);
4501 return;
4502 }
4503
4504 /* Hardware read to trigger an EEH error during mailbox waits. */
4505 if (!pci_channel_offline(ha->pdev))
4506 pci_read_config_word(ha->pdev, PCI_VENDOR_ID, &w);
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]4507
Vikas Chaudhary6e7b4292012-08-22 07:55:08 -0400[diff] [blame]4508 if (is_qla80XX(ha))
Vikas Chaudharyf4f5df232010-07-28 15:53:44 +0530[diff] [blame]4509 qla4_8xxx_watchdog(ha);
Vikas Chaudharyf4f5df232010-07-28 15:53:44 +0530[diff] [blame]4510
Vikas Chaudharyee996a62012-08-22 07:55:05 -0400[diff] [blame]4511 if (is_qla40XX(ha)) {
Vikas Chaudharyf4f5df232010-07-28 15:53:44 +0530[diff] [blame]4512 /* Check for heartbeat interval. */
4513 if (ha->firmware_options & FWOPT_HEARTBEAT_ENABLE &&
4514 ha->heartbeat_interval != 0) {
4515 ha->seconds_since_last_heartbeat++;
4516 if (ha->seconds_since_last_heartbeat >
4517 ha->heartbeat_interval + 2)
4518 set_bit(DPC_RESET_HA, &ha->dpc_flags);
4519 }
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]4520 }
4521
Vikas Chaudharyff884432011-08-29 23:43:02 +0530[diff] [blame]4522 /* Process any deferred work. */
4523 if (!list_empty(&ha->work_list))
4524 start_dpc++;
4525
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]4526 /* Wakeup the dpc routine for this adapter, if needed. */
Lalit Chandivade1b468072011-05-17 23:17:09 -0700[diff] [blame]4527 if (start_dpc ||
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]4528 test_bit(DPC_RESET_HA, &ha->dpc_flags) ||
4529 test_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags) ||
4530 test_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags) ||
Vikas Chaudharyf4f5df232010-07-28 15:53:44 +0530[diff] [blame]4531 test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags) ||
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]4532 test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags) ||
4533 test_bit(DPC_GET_DHCP_IP_ADDR, &ha->dpc_flags) ||
Vikas Chaudhary065aa1b2010-04-28 11:38:11 +0530[diff] [blame]4534 test_bit(DPC_LINK_CHANGED, &ha->dpc_flags) ||
Vikas Chaudharyf4f5df232010-07-28 15:53:44 +0530[diff] [blame]4535 test_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags) ||
4536 test_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags) ||
Lalit Chandivade1b468072011-05-17 23:17:09 -0700[diff] [blame]4537 test_bit(DPC_AEN, &ha->dpc_flags)) {
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]4538 DEBUG2(printk("scsi%ld: %s: scheduling dpc routine"
4539 " - dpc flags = 0x%lx\n",
4540 ha->host_no, __func__, ha->dpc_flags));
Vikas Chaudharyf4f5df232010-07-28 15:53:44 +0530[diff] [blame]4541 qla4xxx_wake_dpc(ha);
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]4542 }
4543
4544 /* Reschedule timer thread to call us back in one second */
4545 mod_timer(&ha->timer, jiffies + HZ);
4546
4547 DEBUG2(ha->seconds_since_last_intr++);
4548}
4549
4550/**
4551 * qla4xxx_cmd_wait - waits for all outstanding commands to complete
4552 * @ha: Pointer to host adapter structure.
4553 *
4554 * This routine stalls the driver until all outstanding commands are returned.
4555 * Caller must release the Hardware Lock prior to calling this routine.
4556 **/
4557static int qla4xxx_cmd_wait(struct scsi_qla_host *ha)
4558{
4559 uint32_t index = 0;
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]4560 unsigned long flags;
4561 struct scsi_cmnd *cmd;
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]4562
Vikas Chaudharyf4f5df232010-07-28 15:53:44 +0530[diff] [blame]4563 unsigned long wtime = jiffies + (WAIT_CMD_TOV * HZ);
4564
4565 DEBUG2(ql4_printk(KERN_INFO, ha, "Wait up to %d seconds for cmds to "
4566 "complete\n", WAIT_CMD_TOV));
4567
4568 while (!time_after_eq(jiffies, wtime)) {
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]4569 spin_lock_irqsave(&ha->hardware_lock, flags);
4570 /* Find a command that hasn't completed. */
4571 for (index = 0; index < ha->host->can_queue; index++) {
4572 cmd = scsi_host_find_tag(ha->host, index);
Mike Christiea1e00632010-10-26 05:45:30 -0700[diff] [blame]4573 /*
4574 * We cannot just check if the index is valid,
4575 * becase if we are run from the scsi eh, then
4576 * the scsi/block layer is going to prevent
4577 * the tag from being released.
4578 */
4579 if (cmd != NULL && CMD_SP(cmd))
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]4580 break;
4581 }
4582 spin_unlock_irqrestore(&ha->hardware_lock, flags);
4583
4584 /* If No Commands are pending, wait is complete */
Vikas Chaudharyf4f5df232010-07-28 15:53:44 +0530[diff] [blame]4585 if (index == ha->host->can_queue)
4586 return QLA_SUCCESS;
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]4587
Vikas Chaudharyf4f5df232010-07-28 15:53:44 +0530[diff] [blame]4588 msleep(1000);
4589 }
4590 /* If we timed out on waiting for commands to come back
4591 * return ERROR. */
4592 return QLA_ERROR;
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]4593}
4594
Vikas Chaudharyf4f5df232010-07-28 15:53:44 +0530[diff] [blame]4595int qla4xxx_hw_reset(struct scsi_qla_host *ha)
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]4596{
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]4597 uint32_t ctrl_status;
David C Somayajulu477ffb92007-01-22 12:26:11 -0800[diff] [blame]4598 unsigned long flags = 0;
4599
4600 DEBUG2(printk(KERN_ERR "scsi%ld: %s\n", ha->host_no, __func__));
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]4601
Vikas Chaudharyf4f5df232010-07-28 15:53:44 +0530[diff] [blame]4602 if (ql4xxx_lock_drvr_wait(ha) != QLA_SUCCESS)
4603 return QLA_ERROR;
4604
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]4605 spin_lock_irqsave(&ha->hardware_lock, flags);
4606
4607 /*
4608 * If the SCSI Reset Interrupt bit is set, clear it.
4609 * Otherwise, the Soft Reset won't work.
4610 */
4611 ctrl_status = readw(&ha->reg->ctrl_status);
4612 if ((ctrl_status & CSR_SCSI_RESET_INTR) != 0)
4613 writel(set_rmask(CSR_SCSI_RESET_INTR), &ha->reg->ctrl_status);
4614
4615 /* Issue Soft Reset */
4616 writel(set_rmask(CSR_SOFT_RESET), &ha->reg->ctrl_status);
4617 readl(&ha->reg->ctrl_status);
4618
4619 spin_unlock_irqrestore(&ha->hardware_lock, flags);
Vikas Chaudharyf4f5df232010-07-28 15:53:44 +0530[diff] [blame]4620 return QLA_SUCCESS;
David C Somayajulu477ffb92007-01-22 12:26:11 -0800[diff] [blame]4621}
4622
4623/**
4624 * qla4xxx_soft_reset - performs soft reset.
4625 * @ha: Pointer to host adapter structure.
4626 **/
4627int qla4xxx_soft_reset(struct scsi_qla_host *ha)
4628{
4629 uint32_t max_wait_time;
4630 unsigned long flags = 0;
Vikas Chaudharyf931c532010-10-06 22:48:07 -0700[diff] [blame]4631 int status;
David C Somayajulu477ffb92007-01-22 12:26:11 -0800[diff] [blame]4632 uint32_t ctrl_status;
4633
Vikas Chaudharyf931c532010-10-06 22:48:07 -0700[diff] [blame]4634 status = qla4xxx_hw_reset(ha);
4635 if (status != QLA_SUCCESS)
4636 return status;
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]4637
Vikas Chaudharyf931c532010-10-06 22:48:07 -0700[diff] [blame]4638 status = QLA_ERROR;
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]4639 /* Wait until the Network Reset Intr bit is cleared */
4640 max_wait_time = RESET_INTR_TOV;
4641 do {
4642 spin_lock_irqsave(&ha->hardware_lock, flags);
4643 ctrl_status = readw(&ha->reg->ctrl_status);
4644 spin_unlock_irqrestore(&ha->hardware_lock, flags);
4645
4646 if ((ctrl_status & CSR_NET_RESET_INTR) == 0)
4647 break;
4648
4649 msleep(1000);
4650 } while ((--max_wait_time));
4651
4652 if ((ctrl_status & CSR_NET_RESET_INTR) != 0) {
4653 DEBUG2(printk(KERN_WARNING
4654 "scsi%ld: Network Reset Intr not cleared by "
4655 "Network function, clearing it now!\n",
4656 ha->host_no));
4657 spin_lock_irqsave(&ha->hardware_lock, flags);
4658 writel(set_rmask(CSR_NET_RESET_INTR), &ha->reg->ctrl_status);
4659 readl(&ha->reg->ctrl_status);
4660 spin_unlock_irqrestore(&ha->hardware_lock, flags);
4661 }
4662
4663 /* Wait until the firmware tells us the Soft Reset is done */
4664 max_wait_time = SOFT_RESET_TOV;
4665 do {
4666 spin_lock_irqsave(&ha->hardware_lock, flags);
4667 ctrl_status = readw(&ha->reg->ctrl_status);
4668 spin_unlock_irqrestore(&ha->hardware_lock, flags);
4669
4670 if ((ctrl_status & CSR_SOFT_RESET) == 0) {
4671 status = QLA_SUCCESS;
4672 break;
4673 }
4674
4675 msleep(1000);
4676 } while ((--max_wait_time));
4677
4678 /*
4679 * Also, make sure that the SCSI Reset Interrupt bit has been cleared
4680 * after the soft reset has taken place.
4681 */
4682 spin_lock_irqsave(&ha->hardware_lock, flags);
4683 ctrl_status = readw(&ha->reg->ctrl_status);
4684 if ((ctrl_status & CSR_SCSI_RESET_INTR) != 0) {
4685 writel(set_rmask(CSR_SCSI_RESET_INTR), &ha->reg->ctrl_status);
4686 readl(&ha->reg->ctrl_status);
4687 }
4688 spin_unlock_irqrestore(&ha->hardware_lock, flags);
4689
4690 /* If soft reset fails then most probably the bios on other
4691 * function is also enabled.
4692 * Since the initialization is sequential the other fn
4693 * wont be able to acknowledge the soft reset.
4694 * Issue a force soft reset to workaround this scenario.
4695 */
4696 if (max_wait_time == 0) {
4697 /* Issue Force Soft Reset */
4698 spin_lock_irqsave(&ha->hardware_lock, flags);
4699 writel(set_rmask(CSR_FORCE_SOFT_RESET), &ha->reg->ctrl_status);
4700 readl(&ha->reg->ctrl_status);
4701 spin_unlock_irqrestore(&ha->hardware_lock, flags);
4702 /* Wait until the firmware tells us the Soft Reset is done */
4703 max_wait_time = SOFT_RESET_TOV;
4704 do {
4705 spin_lock_irqsave(&ha->hardware_lock, flags);
4706 ctrl_status = readw(&ha->reg->ctrl_status);
4707 spin_unlock_irqrestore(&ha->hardware_lock, flags);
4708
4709 if ((ctrl_status & CSR_FORCE_SOFT_RESET) == 0) {
4710 status = QLA_SUCCESS;
4711 break;
4712 }
4713
4714 msleep(1000);
4715 } while ((--max_wait_time));
4716 }
4717
4718 return status;
4719}
4720
4721/**
Vikas Chaudharyf4f5df232010-07-28 15:53:44 +0530[diff] [blame]4722 * qla4xxx_abort_active_cmds - returns all outstanding i/o requests to O.S.
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]4723 * @ha: Pointer to host adapter structure.
Vikas Chaudharyf4f5df232010-07-28 15:53:44 +0530[diff] [blame]4724 * @res: returned scsi status
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]4725 *
4726 * This routine is called just prior to a HARD RESET to return all
4727 * outstanding commands back to the Operating System.
4728 * Caller should make sure that the following locks are released
4729 * before this calling routine: Hardware lock, and io_request_lock.
4730 **/
Vikas Chaudharyf4f5df232010-07-28 15:53:44 +0530[diff] [blame]4731static void qla4xxx_abort_active_cmds(struct scsi_qla_host *ha, int res)
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]4732{
4733 struct srb *srb;
4734 int i;
4735 unsigned long flags;
4736
4737 spin_lock_irqsave(&ha->hardware_lock, flags);
4738 for (i = 0; i < ha->host->can_queue; i++) {
4739 srb = qla4xxx_del_from_active_array(ha, i);
4740 if (srb != NULL) {
Vikas Chaudharyf4f5df232010-07-28 15:53:44 +0530[diff] [blame]4741 srb->cmd->result = res;
Vikas Chaudhary09a0f712010-04-28 11:42:24 +0530[diff] [blame]4742 kref_put(&srb->srb_ref, qla4xxx_srb_compl);
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]4743 }
4744 }
4745 spin_unlock_irqrestore(&ha->hardware_lock, flags);
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]4746}
4747
Vikas Chaudharyf4f5df232010-07-28 15:53:44 +0530[diff] [blame]4748void qla4xxx_dead_adapter_cleanup(struct scsi_qla_host *ha)
4749{
4750 clear_bit(AF_ONLINE, &ha->flags);
4751
4752 /* Disable the board */
4753 ql4_printk(KERN_INFO, ha, "Disabling the board\n");
Vikas Chaudharyf4f5df232010-07-28 15:53:44 +0530[diff] [blame]4754
4755 qla4xxx_abort_active_cmds(ha, DID_NO_CONNECT << 16);
4756 qla4xxx_mark_all_devices_missing(ha);
4757 clear_bit(AF_INIT_DONE, &ha->flags);
4758}
4759
Manish Rangankarb3a271a2011-07-25 13:48:53 -0500[diff] [blame]4760static void qla4xxx_fail_session(struct iscsi_cls_session *cls_session)
4761{
4762 struct iscsi_session *sess;
4763 struct ddb_entry *ddb_entry;
4764
4765 sess = cls_session->dd_data;
4766 ddb_entry = sess->dd_data;
4767 ddb_entry->fw_ddb_device_state = DDB_DS_SESSION_FAILED;
Mike Christie13483732011-12-01 21:38:41 -0600[diff] [blame]4768
4769 if (ddb_entry->ddb_type == FLASH_DDB)
4770 iscsi_block_session(ddb_entry->sess);
4771 else
4772 iscsi_session_failure(cls_session->dd_data,
4773 ISCSI_ERR_CONN_FAILED);
Manish Rangankarb3a271a2011-07-25 13:48:53 -0500[diff] [blame]4774}
4775
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]4776/**
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]4777 * qla4xxx_recover_adapter - recovers adapter after a fatal error
4778 * @ha: Pointer to host adapter structure.
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]4779 **/
Vikas Chaudharyf4f5df232010-07-28 15:53:44 +0530[diff] [blame]4780static int qla4xxx_recover_adapter(struct scsi_qla_host *ha)
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]4781{
Vikas Chaudharyf4f5df232010-07-28 15:53:44 +0530[diff] [blame]4782 int status = QLA_ERROR;
4783 uint8_t reset_chip = 0;
Sarang Radke8e0f3a62011-12-01 22:42:09 -0800[diff] [blame]4784 uint32_t dev_state;
Shyam Sunder9ee91a32011-12-01 22:42:13 -0800[diff] [blame]4785 unsigned long wait;
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]4786
4787 /* Stall incoming I/O until we are done */
Vikas Chaudharyf4f5df232010-07-28 15:53:44 +0530[diff] [blame]4788 scsi_block_requests(ha->host);
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]4789 clear_bit(AF_ONLINE, &ha->flags);
Manish Rangankarb3a271a2011-07-25 13:48:53 -0500[diff] [blame]4790 clear_bit(AF_LINK_UP, &ha->flags);
Mike Christie50a29ae2008-03-04 13:26:53 -0600[diff] [blame]4791
Vikas Chaudharyf4f5df232010-07-28 15:53:44 +0530[diff] [blame]4792 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: adapter OFFLINE\n", __func__));
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]4793
Vikas Chaudharyf4f5df232010-07-28 15:53:44 +0530[diff] [blame]4794 set_bit(DPC_RESET_ACTIVE, &ha->dpc_flags);
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]4795
Vikas Chaudharyb37ca412013-08-16 07:03:02 -0400[diff] [blame]4796 if ((is_qla8032(ha) || is_qla8042(ha)) &&
Tej Parkash546fef22012-09-20 07:35:12 -0400[diff] [blame]4797 !test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags)) {
4798 ql4_printk(KERN_INFO, ha, "%s: disabling pause transmit on port 0 & 1.\n",
4799 __func__);
4800 /* disable pause frame for ISP83xx */
4801 qla4_83xx_disable_pause(ha);
4802 }
4803
Manish Rangankarb3a271a2011-07-25 13:48:53 -0500[diff] [blame]4804 iscsi_host_for_each_session(ha->host, qla4xxx_fail_session);
4805
Vikas Chaudharyf4f5df232010-07-28 15:53:44 +0530[diff] [blame]4806 if (test_bit(DPC_RESET_HA, &ha->dpc_flags))
4807 reset_chip = 1;
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]4808
Vikas Chaudharyf4f5df232010-07-28 15:53:44 +0530[diff] [blame]4809 /* For the DPC_RESET_HA_INTR case (ISP-4xxx specific)
4810 * do not reset adapter, jump to initialize_adapter */
4811 if (test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags)) {
4812 status = QLA_SUCCESS;
4813 goto recover_ha_init_adapter;
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]4814 }
4815
Vikas Chaudhary6e7b4292012-08-22 07:55:08 -0400[diff] [blame]4816 /* For the ISP-8xxx adapter, issue a stop_firmware if invoked
Vikas Chaudharyf4f5df232010-07-28 15:53:44 +0530[diff] [blame]4817 * from eh_host_reset or ioctl module */
Vikas Chaudhary6e7b4292012-08-22 07:55:08 -0400[diff] [blame]4818 if (is_qla80XX(ha) && !reset_chip &&
Vikas Chaudharyf4f5df232010-07-28 15:53:44 +0530[diff] [blame]4819 test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags)) {
4820
4821 DEBUG2(ql4_printk(KERN_INFO, ha,
4822 "scsi%ld: %s - Performing stop_firmware...\n",
4823 ha->host_no, __func__));
4824 status = ha->isp_ops->reset_firmware(ha);
4825 if (status == QLA_SUCCESS) {
Nilesh Javali2bd1e2b2010-10-06 22:49:20 -0700[diff] [blame]4826 if (!test_bit(AF_FW_RECOVERY, &ha->flags))
4827 qla4xxx_cmd_wait(ha);
Vikas Chaudhary5c19b922012-11-23 06:58:38 -0500[diff] [blame]4828
Vikas Chaudharyf4f5df232010-07-28 15:53:44 +0530[diff] [blame]4829 ha->isp_ops->disable_intrs(ha);
4830 qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS);
4831 qla4xxx_abort_active_cmds(ha, DID_RESET << 16);
4832 } else {
4833 /* If the stop_firmware fails then
4834 * reset the entire chip */
4835 reset_chip = 1;
4836 clear_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags);
4837 set_bit(DPC_RESET_HA, &ha->dpc_flags);
4838 }
4839 }
4840
4841 /* Issue full chip reset if recovering from a catastrophic error,
Vikas Chaudhary6e7b4292012-08-22 07:55:08 -0400[diff] [blame]4842 * or if stop_firmware fails for ISP-8xxx.
Vikas Chaudharyf4f5df232010-07-28 15:53:44 +0530[diff] [blame]4843 * This is the default case for ISP-4xxx */
Vikas Chaudharyee996a62012-08-22 07:55:05 -0400[diff] [blame]4844 if (is_qla40XX(ha) || reset_chip) {
4845 if (is_qla40XX(ha))
Shyam Sunder9ee91a32011-12-01 22:42:13 -0800[diff] [blame]4846 goto chip_reset;
4847
Vikas Chaudhary6e7b4292012-08-22 07:55:08 -0400[diff] [blame]4848 /* Check if 8XXX firmware is alive or not
Shyam Sunder9ee91a32011-12-01 22:42:13 -0800[diff] [blame]4849 * We may have arrived here from NEED_RESET
4850 * detection only */
4851 if (test_bit(AF_FW_RECOVERY, &ha->flags))
4852 goto chip_reset;
4853
4854 wait = jiffies + (FW_ALIVE_WAIT_TOV * HZ);
4855 while (time_before(jiffies, wait)) {
4856 if (qla4_8xxx_check_fw_alive(ha)) {
4857 qla4xxx_mailbox_premature_completion(ha);
4858 break;
4859 }
4860
4861 set_current_state(TASK_UNINTERRUPTIBLE);
4862 schedule_timeout(HZ);
4863 }
Vikas Chaudharyda106212012-08-22 07:45:26 -0400[diff] [blame]4864chip_reset:
Nilesh Javali2bd1e2b2010-10-06 22:49:20 -0700[diff] [blame]4865 if (!test_bit(AF_FW_RECOVERY, &ha->flags))
4866 qla4xxx_cmd_wait(ha);
Vikas Chaudharyda106212012-08-22 07:45:26 -0400[diff] [blame]4867
Vikas Chaudharyf4f5df232010-07-28 15:53:44 +0530[diff] [blame]4868 qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS);
4869 qla4xxx_abort_active_cmds(ha, DID_RESET << 16);
4870 DEBUG2(ql4_printk(KERN_INFO, ha,
4871 "scsi%ld: %s - Performing chip reset..\n",
4872 ha->host_no, __func__));
4873 status = ha->isp_ops->reset_chip(ha);
4874 }
4875
4876 /* Flush any pending ddb changed AENs */
4877 qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS);
4878
4879recover_ha_init_adapter:
4880 /* Upon successful firmware/chip reset, re-initialize the adapter */
4881 if (status == QLA_SUCCESS) {
4882 /* For ISP-4xxx, force function 1 to always initialize
4883 * before function 3 to prevent both funcions from
4884 * stepping on top of the other */
Vikas Chaudharyee996a62012-08-22 07:55:05 -0400[diff] [blame]4885 if (is_qla40XX(ha) && (ha->mac_index == 3))
Vikas Chaudharyf4f5df232010-07-28 15:53:44 +0530[diff] [blame]4886 ssleep(6);
4887
4888 /* NOTE: AF_ONLINE flag set upon successful completion of
Nilesh Javali37418cc2013-12-16 06:49:31 -0500[diff] [blame]4889 * qla4xxx_initialize_adapter */
Mike Christie13483732011-12-01 21:38:41 -0600[diff] [blame]4890 status = qla4xxx_initialize_adapter(ha, RESET_ADAPTER);
Nilesh Javali37418cc2013-12-16 06:49:31 -0500[diff] [blame]4891 if (is_qla80XX(ha) && (status == QLA_ERROR)) {
4892 status = qla4_8xxx_check_init_adapter_retry(ha);
4893 if (status == QLA_ERROR) {
4894 ql4_printk(KERN_INFO, ha, "scsi%ld: %s: Don't retry recover adapter\n",
4895 ha->host_no, __func__);
4896 qla4xxx_dead_adapter_cleanup(ha);
4897 clear_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags);
4898 clear_bit(DPC_RESET_HA, &ha->dpc_flags);
4899 clear_bit(DPC_RESET_HA_FW_CONTEXT,
4900 &ha->dpc_flags);
4901 goto exit_recover;
4902 }
4903 }
Vikas Chaudharyf4f5df232010-07-28 15:53:44 +0530[diff] [blame]4904 }
4905
4906 /* Retry failed adapter initialization, if necessary
4907 * Do not retry initialize_adapter for RESET_HA_INTR (ISP-4xxx specific)
4908 * case to prevent ping-pong resets between functions */
4909 if (!test_bit(AF_ONLINE, &ha->flags) &&
4910 !test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags)) {
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]4911 /* Adapter initialization failed, see if we can retry
Vikas Chaudharyf4f5df232010-07-28 15:53:44 +0530[diff] [blame]4912 * resetting the ha.
4913 * Since we don't want to block the DPC for too long
4914 * with multiple resets in the same thread,
4915 * utilize DPC to retry */
Vikas Chaudhary6e7b4292012-08-22 07:55:08 -0400[diff] [blame]4916 if (is_qla80XX(ha)) {
Vikas Chaudhary33693c72012-08-22 07:55:04 -0400[diff] [blame]4917 ha->isp_ops->idc_lock(ha);
4918 dev_state = qla4_8xxx_rd_direct(ha,
4919 QLA8XXX_CRB_DEV_STATE);
4920 ha->isp_ops->idc_unlock(ha);
Vikas Chaudharyde8c72d2012-08-22 09:14:24 -0400[diff] [blame]4921 if (dev_state == QLA8XXX_DEV_FAILED) {
Sarang Radke8e0f3a62011-12-01 22:42:09 -0800[diff] [blame]4922 ql4_printk(KERN_INFO, ha, "%s: don't retry "
4923 "recover adapter. H/W is in Failed "
4924 "state\n", __func__);
4925 qla4xxx_dead_adapter_cleanup(ha);
4926 clear_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags);
4927 clear_bit(DPC_RESET_HA, &ha->dpc_flags);
4928 clear_bit(DPC_RESET_HA_FW_CONTEXT,
4929 &ha->dpc_flags);
4930 status = QLA_ERROR;
4931
4932 goto exit_recover;
4933 }
4934 }
4935
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]4936 if (!test_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags)) {
4937 ha->retry_reset_ha_cnt = MAX_RESET_HA_RETRIES;
4938 DEBUG2(printk("scsi%ld: recover adapter - retrying "
4939 "(%d) more times\n", ha->host_no,
4940 ha->retry_reset_ha_cnt));
4941 set_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags);
4942 status = QLA_ERROR;
4943 } else {
4944 if (ha->retry_reset_ha_cnt > 0) {
4945 /* Schedule another Reset HA--DPC will retry */
4946 ha->retry_reset_ha_cnt--;
4947 DEBUG2(printk("scsi%ld: recover adapter - "
4948 "retry remaining %d\n",
4949 ha->host_no,
4950 ha->retry_reset_ha_cnt));
4951 status = QLA_ERROR;
4952 }
4953
4954 if (ha->retry_reset_ha_cnt == 0) {
4955 /* Recover adapter retries have been exhausted.
4956 * Adapter DEAD */
4957 DEBUG2(printk("scsi%ld: recover adapter "
4958 "failed - board disabled\n",
4959 ha->host_no));
Vikas Chaudharyf4f5df232010-07-28 15:53:44 +0530[diff] [blame]4960 qla4xxx_dead_adapter_cleanup(ha);
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]4961 clear_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags);
4962 clear_bit(DPC_RESET_HA, &ha->dpc_flags);
Vikas Chaudharyf4f5df232010-07-28 15:53:44 +0530[diff] [blame]4963 clear_bit(DPC_RESET_HA_FW_CONTEXT,
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]4964 &ha->dpc_flags);
4965 status = QLA_ERROR;
4966 }
4967 }
4968 } else {
4969 clear_bit(DPC_RESET_HA, &ha->dpc_flags);
Vikas Chaudharyf4f5df232010-07-28 15:53:44 +0530[diff] [blame]4970 clear_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags);
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]4971 clear_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags);
4972 }
4973
Sarang Radke8e0f3a62011-12-01 22:42:09 -0800[diff] [blame]4974exit_recover:
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]4975 ha->adapter_error_count++;
4976
Vikas Chaudharyf4f5df232010-07-28 15:53:44 +0530[diff] [blame]4977 if (test_bit(AF_ONLINE, &ha->flags))
4978 ha->isp_ops->enable_intrs(ha);
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]4979
Vikas Chaudharyf4f5df232010-07-28 15:53:44 +0530[diff] [blame]4980 scsi_unblock_requests(ha->host);
4981
4982 clear_bit(DPC_RESET_ACTIVE, &ha->dpc_flags);
4983 DEBUG2(printk("scsi%ld: recover adapter: %s\n", ha->host_no,
Lucas De Marchi25985ed2011-03-30 22:57:33 -0300[diff] [blame]4984 status == QLA_ERROR ? "FAILED" : "SUCCEEDED"));
Vikas Chaudharyf4f5df232010-07-28 15:53:44 +0530[diff] [blame]4985
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]4986 return status;
4987}
4988
Manish Rangankarb3a271a2011-07-25 13:48:53 -0500[diff] [blame]4989static void qla4xxx_relogin_devices(struct iscsi_cls_session *cls_session)
Vikas Chaudhary2d7924e2011-03-21 03:34:33 -0700[diff] [blame]4990{
Manish Rangankarb3a271a2011-07-25 13:48:53 -0500[diff] [blame]4991 struct iscsi_session *sess;
4992 struct ddb_entry *ddb_entry;
4993 struct scsi_qla_host *ha;
Vikas Chaudhary2d7924e2011-03-21 03:34:33 -0700[diff] [blame]4994
Manish Rangankarb3a271a2011-07-25 13:48:53 -0500[diff] [blame]4995 sess = cls_session->dd_data;
4996 ddb_entry = sess->dd_data;
4997 ha = ddb_entry->ha;
4998 if (!iscsi_is_session_online(cls_session)) {
4999 if (ddb_entry->fw_ddb_device_state == DDB_DS_SESSION_ACTIVE) {
5000 ql4_printk(KERN_INFO, ha, "scsi%ld: %s: ddb[%d]"
5001 " unblock session\n", ha->host_no, __func__,
5002 ddb_entry->fw_ddb_index);
5003 iscsi_unblock_session(ddb_entry->sess);
5004 } else {
5005 /* Trigger relogin */
Mike Christie13483732011-12-01 21:38:41 -0600[diff] [blame]5006 if (ddb_entry->ddb_type == FLASH_DDB) {
Adheer Chandravanshi99c6a332013-07-08 08:33:05 -0400[diff] [blame]5007 if (!(test_bit(DF_RELOGIN, &ddb_entry->flags) ||
5008 test_bit(DF_DISABLE_RELOGIN,
5009 &ddb_entry->flags)))
Mike Christie13483732011-12-01 21:38:41 -0600[diff] [blame]5010 qla4xxx_arm_relogin_timer(ddb_entry);
5011 } else
5012 iscsi_session_failure(cls_session->dd_data,
5013 ISCSI_ERR_CONN_FAILED);
Vikas Chaudhary2d7924e2011-03-21 03:34:33 -0700[diff] [blame]5014 }
5015 }
5016}
5017
Mike Christie13483732011-12-01 21:38:41 -0600[diff] [blame]5018int qla4xxx_unblock_flash_ddb(struct iscsi_cls_session *cls_session)
5019{
5020 struct iscsi_session *sess;
5021 struct ddb_entry *ddb_entry;
5022 struct scsi_qla_host *ha;
5023
5024 sess = cls_session->dd_data;
5025 ddb_entry = sess->dd_data;
5026 ha = ddb_entry->ha;
5027 ql4_printk(KERN_INFO, ha, "scsi%ld: %s: ddb[%d]"
5028 " unblock session\n", ha->host_no, __func__,
5029 ddb_entry->fw_ddb_index);
5030
5031 iscsi_unblock_session(ddb_entry->sess);
5032
5033 /* Start scan target */
5034 if (test_bit(AF_ONLINE, &ha->flags)) {
5035 ql4_printk(KERN_INFO, ha, "scsi%ld: %s: ddb[%d]"
5036 " start scan\n", ha->host_no, __func__,
5037 ddb_entry->fw_ddb_index);
5038 scsi_queue_work(ha->host, &ddb_entry->sess->scan_work);
5039 }
5040 return QLA_SUCCESS;
5041}
5042
5043int qla4xxx_unblock_ddb(struct iscsi_cls_session *cls_session)
5044{
5045 struct iscsi_session *sess;
5046 struct ddb_entry *ddb_entry;
5047 struct scsi_qla_host *ha;
Manish Rangankar80c53e62012-08-07 07:57:15 -0400[diff] [blame]5048 int status = QLA_SUCCESS;
Mike Christie13483732011-12-01 21:38:41 -0600[diff] [blame]5049
5050 sess = cls_session->dd_data;
5051 ddb_entry = sess->dd_data;
5052 ha = ddb_entry->ha;
5053 ql4_printk(KERN_INFO, ha, "scsi%ld: %s: ddb[%d]"
5054 " unblock user space session\n", ha->host_no, __func__,
5055 ddb_entry->fw_ddb_index);
Mike Christie13483732011-12-01 21:38:41 -0600[diff] [blame]5056
Manish Rangankar80c53e62012-08-07 07:57:15 -0400[diff] [blame]5057 if (!iscsi_is_session_online(cls_session)) {
5058 iscsi_conn_start(ddb_entry->conn);
5059 iscsi_conn_login_event(ddb_entry->conn,
5060 ISCSI_CONN_STATE_LOGGED_IN);
5061 } else {
5062 ql4_printk(KERN_INFO, ha,
5063 "scsi%ld: %s: ddb[%d] session [%d] already logged in\n",
5064 ha->host_no, __func__, ddb_entry->fw_ddb_index,
5065 cls_session->sid);
5066 status = QLA_ERROR;
5067 }
5068
5069 return status;
Mike Christie13483732011-12-01 21:38:41 -0600[diff] [blame]5070}
5071
Manish Rangankarb3a271a2011-07-25 13:48:53 -0500[diff] [blame]5072static void qla4xxx_relogin_all_devices(struct scsi_qla_host *ha)
5073{
5074 iscsi_host_for_each_session(ha->host, qla4xxx_relogin_devices);
5075}
5076
Mike Christie13483732011-12-01 21:38:41 -0600[diff] [blame]5077static void qla4xxx_relogin_flash_ddb(struct iscsi_cls_session *cls_sess)
5078{
5079 uint16_t relogin_timer;
5080 struct iscsi_session *sess;
5081 struct ddb_entry *ddb_entry;
5082 struct scsi_qla_host *ha;
5083
5084 sess = cls_sess->dd_data;
5085 ddb_entry = sess->dd_data;
5086 ha = ddb_entry->ha;
5087
5088 relogin_timer = max(ddb_entry->default_relogin_timeout,
5089 (uint16_t)RELOGIN_TOV);
5090 atomic_set(&ddb_entry->relogin_timer, relogin_timer);
5091
5092 DEBUG2(ql4_printk(KERN_INFO, ha,
5093 "scsi%ld: Relogin index [%d]. TOV=%d\n", ha->host_no,
5094 ddb_entry->fw_ddb_index, relogin_timer));
5095
5096 qla4xxx_login_flash_ddb(cls_sess);
5097}
5098
5099static void qla4xxx_dpc_relogin(struct iscsi_cls_session *cls_sess)
5100{
5101 struct iscsi_session *sess;
5102 struct ddb_entry *ddb_entry;
5103 struct scsi_qla_host *ha;
5104
5105 sess = cls_sess->dd_data;
5106 ddb_entry = sess->dd_data;
5107 ha = ddb_entry->ha;
5108
5109 if (!(ddb_entry->ddb_type == FLASH_DDB))
5110 return;
5111
Adheer Chandravanshi99c6a332013-07-08 08:33:05 -0400[diff] [blame]5112 if (test_bit(DF_DISABLE_RELOGIN, &ddb_entry->flags))
5113 return;
5114
Mike Christie13483732011-12-01 21:38:41 -0600[diff] [blame]5115 if (test_and_clear_bit(DF_RELOGIN, &ddb_entry->flags) &&
5116 !iscsi_is_session_online(cls_sess)) {
5117 DEBUG2(ql4_printk(KERN_INFO, ha,
5118 "relogin issued\n"));
5119 qla4xxx_relogin_flash_ddb(cls_sess);
5120 }
5121}
5122
Vikas Chaudharyf4f5df232010-07-28 15:53:44 +0530[diff] [blame]5123void qla4xxx_wake_dpc(struct scsi_qla_host *ha)
5124{
Lalit Chandivade1b468072011-05-17 23:17:09 -0700[diff] [blame]5125 if (ha->dpc_thread)
Vikas Chaudharyf4f5df232010-07-28 15:53:44 +0530[diff] [blame]5126 queue_work(ha->dpc_thread, &ha->dpc_work);
Vikas Chaudharyf4f5df232010-07-28 15:53:44 +0530[diff] [blame]5127}
5128
Vikas Chaudharyff884432011-08-29 23:43:02 +0530[diff] [blame]5129static struct qla4_work_evt *
5130qla4xxx_alloc_work(struct scsi_qla_host *ha, uint32_t data_size,
5131 enum qla4_work_type type)
5132{
5133 struct qla4_work_evt *e;
5134 uint32_t size = sizeof(struct qla4_work_evt) + data_size;
5135
5136 e = kzalloc(size, GFP_ATOMIC);
5137 if (!e)
5138 return NULL;
5139
5140 INIT_LIST_HEAD(&e->list);
5141 e->type = type;
5142 return e;
5143}
5144
5145static void qla4xxx_post_work(struct scsi_qla_host *ha,
5146 struct qla4_work_evt *e)
5147{
5148 unsigned long flags;
5149
5150 spin_lock_irqsave(&ha->work_lock, flags);
5151 list_add_tail(&e->list, &ha->work_list);
5152 spin_unlock_irqrestore(&ha->work_lock, flags);
5153 qla4xxx_wake_dpc(ha);
5154}
5155
5156int qla4xxx_post_aen_work(struct scsi_qla_host *ha,
5157 enum iscsi_host_event_code aen_code,
5158 uint32_t data_size, uint8_t *data)
5159{
5160 struct qla4_work_evt *e;
5161
5162 e = qla4xxx_alloc_work(ha, data_size, QLA4_EVENT_AEN);
5163 if (!e)
5164 return QLA_ERROR;
5165
5166 e->u.aen.code = aen_code;
5167 e->u.aen.data_size = data_size;
5168 memcpy(e->u.aen.data, data, data_size);
5169
5170 qla4xxx_post_work(ha, e);
5171
5172 return QLA_SUCCESS;
5173}
5174
Vikas Chaudharyc0b9d3f2012-02-13 18:30:49 +0530[diff] [blame]5175int qla4xxx_post_ping_evt_work(struct scsi_qla_host *ha,
5176 uint32_t status, uint32_t pid,
5177 uint32_t data_size, uint8_t *data)
5178{
5179 struct qla4_work_evt *e;
5180
5181 e = qla4xxx_alloc_work(ha, data_size, QLA4_EVENT_PING_STATUS);
5182 if (!e)
5183 return QLA_ERROR;
5184
5185 e->u.ping.status = status;
5186 e->u.ping.pid = pid;
5187 e->u.ping.data_size = data_size;
5188 memcpy(e->u.ping.data, data, data_size);
5189
5190 qla4xxx_post_work(ha, e);
5191
5192 return QLA_SUCCESS;
5193}
5194
Vikas Chaudharya7380a62012-02-27 03:08:56 -0800[diff] [blame]5195static void qla4xxx_do_work(struct scsi_qla_host *ha)
Vikas Chaudharyff884432011-08-29 23:43:02 +0530[diff] [blame]5196{
5197 struct qla4_work_evt *e, *tmp;
5198 unsigned long flags;
5199 LIST_HEAD(work);
5200
5201 spin_lock_irqsave(&ha->work_lock, flags);
5202 list_splice_init(&ha->work_list, &work);
5203 spin_unlock_irqrestore(&ha->work_lock, flags);
5204
5205 list_for_each_entry_safe(e, tmp, &work, list) {
5206 list_del_init(&e->list);
5207
5208 switch (e->type) {
5209 case QLA4_EVENT_AEN:
5210 iscsi_post_host_event(ha->host_no,
5211 &qla4xxx_iscsi_transport,
5212 e->u.aen.code,
5213 e->u.aen.data_size,
5214 e->u.aen.data);
5215 break;
Vikas Chaudharyc0b9d3f2012-02-13 18:30:49 +0530[diff] [blame]5216 case QLA4_EVENT_PING_STATUS:
5217 iscsi_ping_comp_event(ha->host_no,
5218 &qla4xxx_iscsi_transport,
5219 e->u.ping.status,
5220 e->u.ping.pid,
5221 e->u.ping.data_size,
5222 e->u.ping.data);
5223 break;
Vikas Chaudharyff884432011-08-29 23:43:02 +0530[diff] [blame]5224 default:
5225 ql4_printk(KERN_WARNING, ha, "event type: 0x%x not "
5226 "supported", e->type);
5227 }
5228 kfree(e);
5229 }
5230}
5231
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]5232/**
5233 * qla4xxx_do_dpc - dpc routine
5234 * @data: in our case pointer to adapter structure
5235 *
5236 * This routine is a task that is schedule by the interrupt handler
5237 * to perform the background processing for interrupts. We put it
5238 * on a task queue that is consumed whenever the scheduler runs; that's
5239 * so you can do anything (i.e. put the process to sleep etc). In fact,
5240 * the mid-level tries to sleep when it reaches the driver threshold
5241 * "host->can_queue". This can cause a panic if we were in our interrupt code.
5242 **/
David Howellsc4028952006-11-22 14:57:56 +0000[diff] [blame]5243static void qla4xxx_do_dpc(struct work_struct *work)
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]5244{
David Howellsc4028952006-11-22 14:57:56 +0000[diff] [blame]5245 struct scsi_qla_host *ha =
5246 container_of(work, struct scsi_qla_host, dpc_work);
David C Somayajulu477ffb92007-01-22 12:26:11 -0800[diff] [blame]5247 int status = QLA_ERROR;
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]5248
David C Somayajuluf26b9042006-11-15 16:41:09 -0800[diff] [blame]5249 DEBUG2(printk("scsi%ld: %s: DPC handler waking up."
Vikas Chaudharyf4f5df232010-07-28 15:53:44 +0530[diff] [blame]5250 "flags = 0x%08lx, dpc_flags = 0x%08lx\n",
5251 ha->host_no, __func__, ha->flags, ha->dpc_flags))
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]5252
5253 /* Initialization not yet finished. Don't do anything yet. */
5254 if (!test_bit(AF_INIT_DONE, &ha->flags))
Lalit Chandivade1b468072011-05-17 23:17:09 -0700[diff] [blame]5255 return;
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]5256
Lalit Chandivade2232be02010-07-30 14:38:47 +0530[diff] [blame]5257 if (test_bit(AF_EEH_BUSY, &ha->flags)) {
5258 DEBUG2(printk(KERN_INFO "scsi%ld: %s: flags = %lx\n",
5259 ha->host_no, __func__, ha->flags));
Lalit Chandivade1b468072011-05-17 23:17:09 -0700[diff] [blame]5260 return;
Lalit Chandivade2232be02010-07-30 14:38:47 +0530[diff] [blame]5261 }
5262
Vikas Chaudharyff884432011-08-29 23:43:02 +0530[diff] [blame]5263 /* post events to application */
5264 qla4xxx_do_work(ha);
5265
Vikas Chaudhary6e7b4292012-08-22 07:55:08 -0400[diff] [blame]5266 if (is_qla80XX(ha)) {
Vikas Chaudharyf4f5df232010-07-28 15:53:44 +0530[diff] [blame]5267 if (test_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags)) {
Vikas Chaudharyb37ca412013-08-16 07:03:02 -0400[diff] [blame]5268 if (is_qla8032(ha) || is_qla8042(ha)) {
Tej Parkash546fef22012-09-20 07:35:12 -0400[diff] [blame]5269 ql4_printk(KERN_INFO, ha, "%s: disabling pause transmit on port 0 & 1.\n",
5270 __func__);
5271 /* disable pause frame for ISP83xx */
5272 qla4_83xx_disable_pause(ha);
5273 }
5274
Vikas Chaudhary33693c72012-08-22 07:55:04 -0400[diff] [blame]5275 ha->isp_ops->idc_lock(ha);
5276 qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE,
5277 QLA8XXX_DEV_FAILED);
5278 ha->isp_ops->idc_unlock(ha);
Vikas Chaudharyf4f5df232010-07-28 15:53:44 +0530[diff] [blame]5279 ql4_printk(KERN_INFO, ha, "HW State: FAILED\n");
5280 qla4_8xxx_device_state_handler(ha);
5281 }
Nilesh Javali320a61d2012-09-20 07:35:10 -0400[diff] [blame]5282
Nilesh Javali7ab284c2013-08-16 07:03:03 -0400[diff] [blame]5283 if (test_bit(DPC_POST_IDC_ACK, &ha->dpc_flags)) {
5284 if (is_qla8042(ha)) {
5285 if (ha->idc_info.info2 &
5286 ENABLE_INTERNAL_LOOPBACK) {
5287 ql4_printk(KERN_INFO, ha, "%s: Disabling ACB\n",
5288 __func__);
5289 status = qla4_84xx_config_acb(ha,
5290 ACB_CONFIG_DISABLE);
5291 if (status != QLA_SUCCESS) {
5292 ql4_printk(KERN_INFO, ha, "%s: ACB config failed\n",
5293 __func__);
5294 }
5295 }
5296 }
Nilesh Javali320a61d2012-09-20 07:35:10 -0400[diff] [blame]5297 qla4_83xx_post_idc_ack(ha);
Nilesh Javali7ab284c2013-08-16 07:03:03 -0400[diff] [blame]5298 clear_bit(DPC_POST_IDC_ACK, &ha->dpc_flags);
5299 }
5300
5301 if (is_qla8042(ha) &&
5302 test_bit(DPC_RESTORE_ACB, &ha->dpc_flags)) {
5303 ql4_printk(KERN_INFO, ha, "%s: Restoring ACB\n",
5304 __func__);
5305 if (qla4_84xx_config_acb(ha, ACB_CONFIG_SET) !=
5306 QLA_SUCCESS) {
5307 ql4_printk(KERN_INFO, ha, "%s: ACB config failed ",
5308 __func__);
5309 }
5310 clear_bit(DPC_RESTORE_ACB, &ha->dpc_flags);
5311 }
Nilesh Javali320a61d2012-09-20 07:35:10 -0400[diff] [blame]5312
Vikas Chaudharyf4f5df232010-07-28 15:53:44 +0530[diff] [blame]5313 if (test_and_clear_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags)) {
5314 qla4_8xxx_need_qsnt_handler(ha);
5315 }
5316 }
5317
5318 if (!test_bit(DPC_RESET_ACTIVE, &ha->dpc_flags) &&
5319 (test_bit(DPC_RESET_HA, &ha->dpc_flags) ||
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]5320 test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags) ||
Vikas Chaudharyf4f5df232010-07-28 15:53:44 +0530[diff] [blame]5321 test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags))) {
Vikas Chaudhary6e7b4292012-08-22 07:55:08 -0400[diff] [blame]5322 if ((is_qla8022(ha) && ql4xdontresethba) ||
Vikas Chaudharyb37ca412013-08-16 07:03:02 -0400[diff] [blame]5323 ((is_qla8032(ha) || is_qla8042(ha)) &&
5324 qla4_83xx_idc_dontreset(ha))) {
Vikas Chaudharyf4f5df232010-07-28 15:53:44 +0530[diff] [blame]5325 DEBUG2(printk("scsi%ld: %s: Don't Reset HBA\n",
5326 ha->host_no, __func__));
5327 clear_bit(DPC_RESET_HA, &ha->dpc_flags);
5328 clear_bit(DPC_RESET_HA_INTR, &ha->dpc_flags);
5329 clear_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags);
5330 goto dpc_post_reset_ha;
5331 }
5332 if (test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags) ||
5333 test_bit(DPC_RESET_HA, &ha->dpc_flags))
5334 qla4xxx_recover_adapter(ha);
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]5335
David C Somayajulu477ffb92007-01-22 12:26:11 -0800[diff] [blame]5336 if (test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags)) {
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]5337 uint8_t wait_time = RESET_INTR_TOV;
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]5338
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]5339 while ((readw(&ha->reg->ctrl_status) &
5340 (CSR_SOFT_RESET | CSR_FORCE_SOFT_RESET)) != 0) {
5341 if (--wait_time == 0)
5342 break;
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]5343 msleep(1000);
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]5344 }
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]5345 if (wait_time == 0)
5346 DEBUG2(printk("scsi%ld: %s: SR|FSR "
5347 "bit not cleared-- resetting\n",
5348 ha->host_no, __func__));
Vikas Chaudharyf4f5df232010-07-28 15:53:44 +0530[diff] [blame]5349 qla4xxx_abort_active_cmds(ha, DID_RESET << 16);
David C Somayajulu477ffb92007-01-22 12:26:11 -0800[diff] [blame]5350 if (ql4xxx_lock_drvr_wait(ha) == QLA_SUCCESS) {
5351 qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS);
Vikas Chaudharyf4f5df232010-07-28 15:53:44 +0530[diff] [blame]5352 status = qla4xxx_recover_adapter(ha);
David C Somayajulu477ffb92007-01-22 12:26:11 -0800[diff] [blame]5353 }
5354 clear_bit(DPC_RESET_HA_INTR, &ha->dpc_flags);
5355 if (status == QLA_SUCCESS)
Vikas Chaudharyf4f5df232010-07-28 15:53:44 +0530[diff] [blame]5356 ha->isp_ops->enable_intrs(ha);
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]5357 }
5358 }
5359
Vikas Chaudharyf4f5df232010-07-28 15:53:44 +0530[diff] [blame]5360dpc_post_reset_ha:
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]5361 /* ---- process AEN? --- */
5362 if (test_and_clear_bit(DPC_AEN, &ha->dpc_flags))
5363 qla4xxx_process_aen(ha, PROCESS_ALL_AENS);
5364
5365 /* ---- Get DHCP IP Address? --- */
5366 if (test_and_clear_bit(DPC_GET_DHCP_IP_ADDR, &ha->dpc_flags))
5367 qla4xxx_get_dhcp_ip_address(ha);
5368
Mike Christie13483732011-12-01 21:38:41 -0600[diff] [blame]5369 /* ---- relogin device? --- */
5370 if (adapter_up(ha) &&
5371 test_and_clear_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags)) {
5372 iscsi_host_for_each_session(ha->host, qla4xxx_dpc_relogin);
5373 }
5374
Vikas Chaudhary065aa1b2010-04-28 11:38:11 +0530[diff] [blame]5375 /* ---- link change? --- */
Nilesh Javali026fbd32013-01-20 23:50:58 -0500[diff] [blame]5376 if (!test_bit(AF_LOOPBACK, &ha->flags) &&
5377 test_and_clear_bit(DPC_LINK_CHANGED, &ha->dpc_flags)) {
Vikas Chaudhary065aa1b2010-04-28 11:38:11 +0530[diff] [blame]5378 if (!test_bit(AF_LINK_UP, &ha->flags)) {
5379 /* ---- link down? --- */
Vikas Chaudhary2d7924e2011-03-21 03:34:33 -0700[diff] [blame]5380 qla4xxx_mark_all_devices_missing(ha);
Vikas Chaudhary065aa1b2010-04-28 11:38:11 +0530[diff] [blame]5381 } else {
5382 /* ---- link up? --- *
5383 * F/W will auto login to all devices ONLY ONCE after
5384 * link up during driver initialization and runtime
5385 * fatal error recovery. Therefore, the driver must
5386 * manually relogin to devices when recovering from
5387 * connection failures, logouts, expired KATO, etc. */
Mike Christie13483732011-12-01 21:38:41 -0600[diff] [blame]5388 if (test_and_clear_bit(AF_BUILD_DDB_LIST, &ha->flags)) {
5389 qla4xxx_build_ddb_list(ha, ha->is_reset);
5390 iscsi_host_for_each_session(ha->host,
5391 qla4xxx_login_flash_ddb);
5392 } else
5393 qla4xxx_relogin_all_devices(ha);
Vikas Chaudhary065aa1b2010-04-28 11:38:11 +0530[diff] [blame]5394 }
5395 }
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]5396}
5397
5398/**
5399 * qla4xxx_free_adapter - release the adapter
5400 * @ha: pointer to adapter structure
5401 **/
5402static void qla4xxx_free_adapter(struct scsi_qla_host *ha)
5403{
Sarang Radke8a28896012011-12-06 02:34:10 -0800[diff] [blame]5404 qla4xxx_abort_active_cmds(ha, DID_NO_CONNECT << 16);
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]5405
Vikas Chaudhary5c19b922012-11-23 06:58:38 -0500[diff] [blame]5406 /* Turn-off interrupts on the card. */
5407 ha->isp_ops->disable_intrs(ha);
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]5408
Vikas Chaudharyd9e62e52012-08-22 07:45:25 -0400[diff] [blame]5409 if (is_qla40XX(ha)) {
5410 writel(set_rmask(CSR_SCSI_PROCESSOR_INTR),
5411 &ha->reg->ctrl_status);
5412 readl(&ha->reg->ctrl_status);
5413 } else if (is_qla8022(ha)) {
Vikas Chaudhary7664a1f2012-08-22 07:55:00 -0400[diff] [blame]5414 writel(0, &ha->qla4_82xx_reg->host_int);
5415 readl(&ha->qla4_82xx_reg->host_int);
Vikas Chaudharyb37ca412013-08-16 07:03:02 -0400[diff] [blame]5416 } else if (is_qla8032(ha) || is_qla8042(ha)) {
Vikas Chaudharyfbd81072012-09-20 07:35:03 -0400[diff] [blame]5417 writel(0, &ha->qla4_83xx_reg->risc_intr);
5418 readl(&ha->qla4_83xx_reg->risc_intr);
Vikas Chaudharyd9e62e52012-08-22 07:45:25 -0400[diff] [blame]5419 }
5420
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]5421 /* Remove timer thread, if present */
5422 if (ha->timer_active)
5423 qla4xxx_stop_timer(ha);
5424
Vikas Chaudharyf4f5df232010-07-28 15:53:44 +0530[diff] [blame]5425 /* Kill the kernel thread for this host */
5426 if (ha->dpc_thread)
5427 destroy_workqueue(ha->dpc_thread);
5428
Manish Rangankarb3a271a2011-07-25 13:48:53 -0500[diff] [blame]5429 /* Kill the kernel thread for this host */
5430 if (ha->task_wq)
5431 destroy_workqueue(ha->task_wq);
5432
Vikas Chaudharyf4f5df232010-07-28 15:53:44 +0530[diff] [blame]5433 /* Put firmware in known state */
5434 ha->isp_ops->reset_firmware(ha);
5435
Vikas Chaudhary6e7b4292012-08-22 07:55:08 -0400[diff] [blame]5436 if (is_qla80XX(ha)) {
Vikas Chaudhary33693c72012-08-22 07:55:04 -0400[diff] [blame]5437 ha->isp_ops->idc_lock(ha);
Vikas Chaudharyf4f5df232010-07-28 15:53:44 +0530[diff] [blame]5438 qla4_8xxx_clear_drv_active(ha);
Vikas Chaudhary33693c72012-08-22 07:55:04 -0400[diff] [blame]5439 ha->isp_ops->idc_unlock(ha);
Vikas Chaudharyf4f5df232010-07-28 15:53:44 +0530[diff] [blame]5440 }
5441
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]5442 /* Detach interrupts */
Vikas Chaudhary5c19b922012-11-23 06:58:38 -0500[diff] [blame]5443 qla4xxx_free_irqs(ha);
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]5444
David C Somayajulubee4fe82007-05-23 18:03:32 -0700[diff] [blame]5445 /* free extra memory */
5446 qla4xxx_mem_free(ha);
Vikas Chaudharyf4f5df232010-07-28 15:53:44 +0530[diff] [blame]5447}
David C Somayajulubee4fe82007-05-23 18:03:32 -0700[diff] [blame]5448
Vikas Chaudharyf4f5df232010-07-28 15:53:44 +0530[diff] [blame]5449int qla4_8xxx_iospace_config(struct scsi_qla_host *ha)
5450{
5451 int status = 0;
Vikas Chaudharyf4f5df232010-07-28 15:53:44 +0530[diff] [blame]5452 unsigned long mem_base, mem_len, db_base, db_len;
5453 struct pci_dev *pdev = ha->pdev;
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]5454
Vikas Chaudharyf4f5df232010-07-28 15:53:44 +0530[diff] [blame]5455 status = pci_request_regions(pdev, DRIVER_NAME);
5456 if (status) {
5457 printk(KERN_WARNING
5458 "scsi(%ld) Failed to reserve PIO regions (%s) "
5459 "status=%d\n", ha->host_no, pci_name(pdev), status);
5460 goto iospace_error_exit;
5461 }
5462
Vikas Chaudharyf4f5df232010-07-28 15:53:44 +0530[diff] [blame]5463 DEBUG2(printk(KERN_INFO "%s: revision-id=%d\n",
Sergei Shtylyov7d7311c2012-03-14 22:04:30 +0300[diff] [blame]5464 __func__, pdev->revision));
5465 ha->revision_id = pdev->revision;
Vikas Chaudharyf4f5df232010-07-28 15:53:44 +0530[diff] [blame]5466
5467 /* remap phys address */
5468 mem_base = pci_resource_start(pdev, 0); /* 0 is for BAR 0 */
5469 mem_len = pci_resource_len(pdev, 0);
5470 DEBUG2(printk(KERN_INFO "%s: ioremap from %lx a size of %lx\n",
5471 __func__, mem_base, mem_len));
5472
5473 /* mapping of pcibase pointer */
5474 ha->nx_pcibase = (unsigned long)ioremap(mem_base, mem_len);
5475 if (!ha->nx_pcibase) {
5476 printk(KERN_ERR
5477 "cannot remap MMIO (%s), aborting\n", pci_name(pdev));
5478 pci_release_regions(ha->pdev);
5479 goto iospace_error_exit;
5480 }
5481
5482 /* Mapping of IO base pointer, door bell read and write pointer */
5483
5484 /* mapping of IO base pointer */
Vikas Chaudhary6e7b4292012-08-22 07:55:08 -0400[diff] [blame]5485 if (is_qla8022(ha)) {
5486 ha->qla4_82xx_reg = (struct device_reg_82xx __iomem *)
5487 ((uint8_t *)ha->nx_pcibase + 0xbc000 +
5488 (ha->pdev->devfn << 11));
5489 ha->nx_db_wr_ptr = (ha->pdev->devfn == 4 ? QLA82XX_CAM_RAM_DB1 :
5490 QLA82XX_CAM_RAM_DB2);
Vikas Chaudharyb37ca412013-08-16 07:03:02 -0400[diff] [blame]5491 } else if (is_qla8032(ha) || is_qla8042(ha)) {
Vikas Chaudhary6e7b4292012-08-22 07:55:08 -0400[diff] [blame]5492 ha->qla4_83xx_reg = (struct device_reg_83xx __iomem *)
5493 ((uint8_t *)ha->nx_pcibase);
5494 }
Vikas Chaudharyf4f5df232010-07-28 15:53:44 +0530[diff] [blame]5495
5496 db_base = pci_resource_start(pdev, 4); /* doorbell is on bar 4 */
5497 db_len = pci_resource_len(pdev, 4);
5498
Shyam Sundar2657c802010-10-06 22:50:29 -0700[diff] [blame]5499 return 0;
Vikas Chaudharyf4f5df232010-07-28 15:53:44 +0530[diff] [blame]5500iospace_error_exit:
5501 return -ENOMEM;
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]5502}
5503
5504/***
5505 * qla4xxx_iospace_config - maps registers
5506 * @ha: pointer to adapter structure
5507 *
5508 * This routines maps HBA's registers from the pci address space
5509 * into the kernel virtual address space for memory mapped i/o.
5510 **/
Vikas Chaudharyf4f5df232010-07-28 15:53:44 +0530[diff] [blame]5511int qla4xxx_iospace_config(struct scsi_qla_host *ha)
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]5512{
5513 unsigned long pio, pio_len, pio_flags;
5514 unsigned long mmio, mmio_len, mmio_flags;
5515
5516 pio = pci_resource_start(ha->pdev, 0);
5517 pio_len = pci_resource_len(ha->pdev, 0);
5518 pio_flags = pci_resource_flags(ha->pdev, 0);
5519 if (pio_flags & IORESOURCE_IO) {
5520 if (pio_len < MIN_IOBASE_LEN) {
Vikas Chaudharyc2660df2010-07-10 14:51:02 +0530[diff] [blame]5521 ql4_printk(KERN_WARNING, ha,
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]5522 "Invalid PCI I/O region size\n");
5523 pio = 0;
5524 }
5525 } else {
Vikas Chaudharyc2660df2010-07-10 14:51:02 +0530[diff] [blame]5526 ql4_printk(KERN_WARNING, ha, "region #0 not a PIO resource\n");
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]5527 pio = 0;
5528 }
5529
5530 /* Use MMIO operations for all accesses. */
5531 mmio = pci_resource_start(ha->pdev, 1);
5532 mmio_len = pci_resource_len(ha->pdev, 1);
5533 mmio_flags = pci_resource_flags(ha->pdev, 1);
5534
5535 if (!(mmio_flags & IORESOURCE_MEM)) {
Vikas Chaudharyc2660df2010-07-10 14:51:02 +0530[diff] [blame]5536 ql4_printk(KERN_ERR, ha,
5537 "region #0 not an MMIO resource, aborting\n");
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]5538
5539 goto iospace_error_exit;
5540 }
Vikas Chaudharyc2660df2010-07-10 14:51:02 +0530[diff] [blame]5541
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]5542 if (mmio_len < MIN_IOBASE_LEN) {
Vikas Chaudharyc2660df2010-07-10 14:51:02 +0530[diff] [blame]5543 ql4_printk(KERN_ERR, ha,
5544 "Invalid PCI mem region size, aborting\n");
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]5545 goto iospace_error_exit;
5546 }
5547
5548 if (pci_request_regions(ha->pdev, DRIVER_NAME)) {
Vikas Chaudharyc2660df2010-07-10 14:51:02 +0530[diff] [blame]5549 ql4_printk(KERN_WARNING, ha,
5550 "Failed to reserve PIO/MMIO regions\n");
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]5551
5552 goto iospace_error_exit;
5553 }
5554
5555 ha->pio_address = pio;
5556 ha->pio_length = pio_len;
5557 ha->reg = ioremap(mmio, MIN_IOBASE_LEN);
5558 if (!ha->reg) {
Vikas Chaudharyc2660df2010-07-10 14:51:02 +0530[diff] [blame]5559 ql4_printk(KERN_ERR, ha,
5560 "cannot remap MMIO, aborting\n");
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]5561
5562 goto iospace_error_exit;
5563 }
5564
5565 return 0;
5566
5567iospace_error_exit:
5568 return -ENOMEM;
5569}
5570
Vikas Chaudharyf4f5df232010-07-28 15:53:44 +0530[diff] [blame]5571static struct isp_operations qla4xxx_isp_ops = {
5572 .iospace_config = qla4xxx_iospace_config,
5573 .pci_config = qla4xxx_pci_config,
5574 .disable_intrs = qla4xxx_disable_intrs,
5575 .enable_intrs = qla4xxx_enable_intrs,
5576 .start_firmware = qla4xxx_start_firmware,
5577 .intr_handler = qla4xxx_intr_handler,
5578 .interrupt_service_routine = qla4xxx_interrupt_service_routine,
5579 .reset_chip = qla4xxx_soft_reset,
5580 .reset_firmware = qla4xxx_hw_reset,
5581 .queue_iocb = qla4xxx_queue_iocb,
5582 .complete_iocb = qla4xxx_complete_iocb,
5583 .rd_shdw_req_q_out = qla4xxx_rd_shdw_req_q_out,
5584 .rd_shdw_rsp_q_in = qla4xxx_rd_shdw_rsp_q_in,
5585 .get_sys_info = qla4xxx_get_sys_info,
Vikas Chaudhary33693c72012-08-22 07:55:04 -0400[diff] [blame]5586 .queue_mailbox_command = qla4xxx_queue_mbox_cmd,
5587 .process_mailbox_interrupt = qla4xxx_process_mbox_intr,
Vikas Chaudharyf4f5df232010-07-28 15:53:44 +0530[diff] [blame]5588};
5589
Vikas Chaudhary7664a1f2012-08-22 07:55:00 -0400[diff] [blame]5590static struct isp_operations qla4_82xx_isp_ops = {
Vikas Chaudharyf4f5df232010-07-28 15:53:44 +0530[diff] [blame]5591 .iospace_config = qla4_8xxx_iospace_config,
5592 .pci_config = qla4_8xxx_pci_config,
Vikas Chaudharyf8086f42012-08-22 07:54:59 -0400[diff] [blame]5593 .disable_intrs = qla4_82xx_disable_intrs,
5594 .enable_intrs = qla4_82xx_enable_intrs,
Vikas Chaudharyf4f5df232010-07-28 15:53:44 +0530[diff] [blame]5595 .start_firmware = qla4_8xxx_load_risc,
Vikas Chaudhary33693c72012-08-22 07:55:04 -0400[diff] [blame]5596 .restart_firmware = qla4_82xx_try_start_fw,
Vikas Chaudharyf8086f42012-08-22 07:54:59 -0400[diff] [blame]5597 .intr_handler = qla4_82xx_intr_handler,
5598 .interrupt_service_routine = qla4_82xx_interrupt_service_routine,
Vikas Chaudhary33693c72012-08-22 07:55:04 -0400[diff] [blame]5599 .need_reset = qla4_8xxx_need_reset,
Vikas Chaudharyf8086f42012-08-22 07:54:59 -0400[diff] [blame]5600 .reset_chip = qla4_82xx_isp_reset,
Vikas Chaudharyf4f5df232010-07-28 15:53:44 +0530[diff] [blame]5601 .reset_firmware = qla4_8xxx_stop_firmware,
Vikas Chaudharyf8086f42012-08-22 07:54:59 -0400[diff] [blame]5602 .queue_iocb = qla4_82xx_queue_iocb,
5603 .complete_iocb = qla4_82xx_complete_iocb,
5604 .rd_shdw_req_q_out = qla4_82xx_rd_shdw_req_q_out,
5605 .rd_shdw_rsp_q_in = qla4_82xx_rd_shdw_rsp_q_in,
Vikas Chaudharyf4f5df232010-07-28 15:53:44 +0530[diff] [blame]5606 .get_sys_info = qla4_8xxx_get_sys_info,
Vikas Chaudhary33693c72012-08-22 07:55:04 -0400[diff] [blame]5607 .rd_reg_direct = qla4_82xx_rd_32,
5608 .wr_reg_direct = qla4_82xx_wr_32,
5609 .rd_reg_indirect = qla4_82xx_md_rd_32,
5610 .wr_reg_indirect = qla4_82xx_md_wr_32,
5611 .idc_lock = qla4_82xx_idc_lock,
5612 .idc_unlock = qla4_82xx_idc_unlock,
5613 .rom_lock_recovery = qla4_82xx_rom_lock_recovery,
5614 .queue_mailbox_command = qla4_82xx_queue_mbox_cmd,
5615 .process_mailbox_interrupt = qla4_82xx_process_mbox_intr,
Vikas Chaudharyf4f5df232010-07-28 15:53:44 +0530[diff] [blame]5616};
5617
Vikas Chaudhary6e7b4292012-08-22 07:55:08 -0400[diff] [blame]5618static struct isp_operations qla4_83xx_isp_ops = {
5619 .iospace_config = qla4_8xxx_iospace_config,
5620 .pci_config = qla4_8xxx_pci_config,
5621 .disable_intrs = qla4_83xx_disable_intrs,
5622 .enable_intrs = qla4_83xx_enable_intrs,
5623 .start_firmware = qla4_8xxx_load_risc,
5624 .restart_firmware = qla4_83xx_start_firmware,
5625 .intr_handler = qla4_83xx_intr_handler,
5626 .interrupt_service_routine = qla4_83xx_interrupt_service_routine,
5627 .need_reset = qla4_8xxx_need_reset,
5628 .reset_chip = qla4_83xx_isp_reset,
5629 .reset_firmware = qla4_8xxx_stop_firmware,
5630 .queue_iocb = qla4_83xx_queue_iocb,
5631 .complete_iocb = qla4_83xx_complete_iocb,
Tej Parkasha24058f2013-03-07 05:43:13 -0500[diff] [blame]5632 .rd_shdw_req_q_out = qla4xxx_rd_shdw_req_q_out,
5633 .rd_shdw_rsp_q_in = qla4xxx_rd_shdw_rsp_q_in,
Vikas Chaudhary6e7b4292012-08-22 07:55:08 -0400[diff] [blame]5634 .get_sys_info = qla4_8xxx_get_sys_info,
5635 .rd_reg_direct = qla4_83xx_rd_reg,
5636 .wr_reg_direct = qla4_83xx_wr_reg,
5637 .rd_reg_indirect = qla4_83xx_rd_reg_indirect,
5638 .wr_reg_indirect = qla4_83xx_wr_reg_indirect,
5639 .idc_lock = qla4_83xx_drv_lock,
5640 .idc_unlock = qla4_83xx_drv_unlock,
5641 .rom_lock_recovery = qla4_83xx_rom_lock_recovery,
5642 .queue_mailbox_command = qla4_83xx_queue_mbox_cmd,
5643 .process_mailbox_interrupt = qla4_83xx_process_mbox_intr,
Vikas Chaudharyf4f5df232010-07-28 15:53:44 +0530[diff] [blame]5644};
5645
5646uint16_t qla4xxx_rd_shdw_req_q_out(struct scsi_qla_host *ha)
5647{
5648 return (uint16_t)le32_to_cpu(ha->shadow_regs->req_q_out);
5649}
5650
Vikas Chaudharyf8086f42012-08-22 07:54:59 -0400[diff] [blame]5651uint16_t qla4_82xx_rd_shdw_req_q_out(struct scsi_qla_host *ha)
Vikas Chaudharyf4f5df232010-07-28 15:53:44 +0530[diff] [blame]5652{
Vikas Chaudhary7664a1f2012-08-22 07:55:00 -0400[diff] [blame]5653 return (uint16_t)le32_to_cpu(readl(&ha->qla4_82xx_reg->req_q_out));
Vikas Chaudharyf4f5df232010-07-28 15:53:44 +0530[diff] [blame]5654}
5655
5656uint16_t qla4xxx_rd_shdw_rsp_q_in(struct scsi_qla_host *ha)
5657{
5658 return (uint16_t)le32_to_cpu(ha->shadow_regs->rsp_q_in);
5659}
5660
Vikas Chaudharyf8086f42012-08-22 07:54:59 -0400[diff] [blame]5661uint16_t qla4_82xx_rd_shdw_rsp_q_in(struct scsi_qla_host *ha)
Vikas Chaudharyf4f5df232010-07-28 15:53:44 +0530[diff] [blame]5662{
Vikas Chaudhary7664a1f2012-08-22 07:55:00 -0400[diff] [blame]5663 return (uint16_t)le32_to_cpu(readl(&ha->qla4_82xx_reg->rsp_q_in));
Vikas Chaudharyf4f5df232010-07-28 15:53:44 +0530[diff] [blame]5664}
5665
Manish Rangankar2a991c22011-07-25 13:48:55 -0500[diff] [blame]5666static ssize_t qla4xxx_show_boot_eth_info(void *data, int type, char *buf)
5667{
5668 struct scsi_qla_host *ha = data;
5669 char *str = buf;
5670 int rc;
5671
5672 switch (type) {
5673 case ISCSI_BOOT_ETH_FLAGS:
5674 rc = sprintf(str, "%d\n", SYSFS_FLAG_FW_SEL_BOOT);
5675 break;
5676 case ISCSI_BOOT_ETH_INDEX:
5677 rc = sprintf(str, "0\n");
5678 break;
5679 case ISCSI_BOOT_ETH_MAC:
5680 rc = sysfs_format_mac(str, ha->my_mac,
5681 MAC_ADDR_LEN);
5682 break;
5683 default:
5684 rc = -ENOSYS;
5685 break;
5686 }
5687 return rc;
5688}
5689
Al Viro587a1f12011-07-23 23:11:19 -0400[diff] [blame]5690static umode_t qla4xxx_eth_get_attr_visibility(void *data, int type)
Manish Rangankar2a991c22011-07-25 13:48:55 -0500[diff] [blame]5691{
5692 int rc;
5693
5694 switch (type) {
5695 case ISCSI_BOOT_ETH_FLAGS:
5696 case ISCSI_BOOT_ETH_MAC:
5697 case ISCSI_BOOT_ETH_INDEX:
5698 rc = S_IRUGO;
5699 break;
5700 default:
5701 rc = 0;
5702 break;
5703 }
5704 return rc;
5705}
5706
5707static ssize_t qla4xxx_show_boot_ini_info(void *data, int type, char *buf)
5708{
5709 struct scsi_qla_host *ha = data;
5710 char *str = buf;
5711 int rc;
5712
5713 switch (type) {
5714 case ISCSI_BOOT_INI_INITIATOR_NAME:
5715 rc = sprintf(str, "%s\n", ha->name_string);
5716 break;
5717 default:
5718 rc = -ENOSYS;
5719 break;
5720 }
5721 return rc;
5722}
5723
Al Viro587a1f12011-07-23 23:11:19 -0400[diff] [blame]5724static umode_t qla4xxx_ini_get_attr_visibility(void *data, int type)
Manish Rangankar2a991c22011-07-25 13:48:55 -0500[diff] [blame]5725{
5726 int rc;
5727
5728 switch (type) {
5729 case ISCSI_BOOT_INI_INITIATOR_NAME:
5730 rc = S_IRUGO;
5731 break;
5732 default:
5733 rc = 0;
5734 break;
5735 }
5736 return rc;
5737}
5738
5739static ssize_t
5740qla4xxx_show_boot_tgt_info(struct ql4_boot_session_info *boot_sess, int type,
5741 char *buf)
5742{
5743 struct ql4_conn_info *boot_conn = &boot_sess->conn_list[0];
5744 char *str = buf;
5745 int rc;
5746
5747 switch (type) {
5748 case ISCSI_BOOT_TGT_NAME:
5749 rc = sprintf(buf, "%s\n", (char *)&boot_sess->target_name);
5750 break;
5751 case ISCSI_BOOT_TGT_IP_ADDR:
5752 if (boot_sess->conn_list[0].dest_ipaddr.ip_type == 0x1)
5753 rc = sprintf(buf, "%pI4\n",
5754 &boot_conn->dest_ipaddr.ip_address);
5755 else
5756 rc = sprintf(str, "%pI6\n",
5757 &boot_conn->dest_ipaddr.ip_address);
5758 break;
5759 case ISCSI_BOOT_TGT_PORT:
5760 rc = sprintf(str, "%d\n", boot_conn->dest_port);
5761 break;
5762 case ISCSI_BOOT_TGT_CHAP_NAME:
5763 rc = sprintf(str, "%.*s\n",
5764 boot_conn->chap.target_chap_name_length,
5765 (char *)&boot_conn->chap.target_chap_name);
5766 break;
5767 case ISCSI_BOOT_TGT_CHAP_SECRET:
5768 rc = sprintf(str, "%.*s\n",
5769 boot_conn->chap.target_secret_length,
5770 (char *)&boot_conn->chap.target_secret);
5771 break;
5772 case ISCSI_BOOT_TGT_REV_CHAP_NAME:
5773 rc = sprintf(str, "%.*s\n",
5774 boot_conn->chap.intr_chap_name_length,
5775 (char *)&boot_conn->chap.intr_chap_name);
5776 break;
5777 case ISCSI_BOOT_TGT_REV_CHAP_SECRET:
5778 rc = sprintf(str, "%.*s\n",
5779 boot_conn->chap.intr_secret_length,
5780 (char *)&boot_conn->chap.intr_secret);
5781 break;
5782 case ISCSI_BOOT_TGT_FLAGS:
5783 rc = sprintf(str, "%d\n", SYSFS_FLAG_FW_SEL_BOOT);
5784 break;
5785 case ISCSI_BOOT_TGT_NIC_ASSOC:
5786 rc = sprintf(str, "0\n");
5787 break;
5788 default:
5789 rc = -ENOSYS;
5790 break;
5791 }
5792 return rc;
5793}
5794
5795static ssize_t qla4xxx_show_boot_tgt_pri_info(void *data, int type, char *buf)
5796{
5797 struct scsi_qla_host *ha = data;
5798 struct ql4_boot_session_info *boot_sess = &(ha->boot_tgt.boot_pri_sess);
5799
5800 return qla4xxx_show_boot_tgt_info(boot_sess, type, buf);
5801}
5802
5803static ssize_t qla4xxx_show_boot_tgt_sec_info(void *data, int type, char *buf)
5804{
5805 struct scsi_qla_host *ha = data;
5806 struct ql4_boot_session_info *boot_sess = &(ha->boot_tgt.boot_sec_sess);
5807
5808 return qla4xxx_show_boot_tgt_info(boot_sess, type, buf);
5809}
5810
Al Viro587a1f12011-07-23 23:11:19 -0400[diff] [blame]5811static umode_t qla4xxx_tgt_get_attr_visibility(void *data, int type)
Manish Rangankar2a991c22011-07-25 13:48:55 -0500[diff] [blame]5812{
5813 int rc;
5814
5815 switch (type) {
5816 case ISCSI_BOOT_TGT_NAME:
5817 case ISCSI_BOOT_TGT_IP_ADDR:
5818 case ISCSI_BOOT_TGT_PORT:
5819 case ISCSI_BOOT_TGT_CHAP_NAME:
5820 case ISCSI_BOOT_TGT_CHAP_SECRET:
5821 case ISCSI_BOOT_TGT_REV_CHAP_NAME:
5822 case ISCSI_BOOT_TGT_REV_CHAP_SECRET:
5823 case ISCSI_BOOT_TGT_NIC_ASSOC:
5824 case ISCSI_BOOT_TGT_FLAGS:
5825 rc = S_IRUGO;
5826 break;
5827 default:
5828 rc = 0;
5829 break;
5830 }
5831 return rc;
5832}
5833
5834static void qla4xxx_boot_release(void *data)
5835{
5836 struct scsi_qla_host *ha = data;
5837
5838 scsi_host_put(ha->host);
5839}
5840
5841static int get_fw_boot_info(struct scsi_qla_host *ha, uint16_t ddb_index[])
5842{
5843 dma_addr_t buf_dma;
5844 uint32_t addr, pri_addr, sec_addr;
5845 uint32_t offset;
5846 uint16_t func_num;
5847 uint8_t val;
5848 uint8_t *buf = NULL;
5849 size_t size = 13 * sizeof(uint8_t);
5850 int ret = QLA_SUCCESS;
5851
5852 func_num = PCI_FUNC(ha->pdev->devfn);
5853
Manish Rangankar0d5b36b2011-10-07 16:55:51 -0700[diff] [blame]5854 ql4_printk(KERN_INFO, ha, "%s: Get FW boot info for 0x%x func %d\n",
5855 __func__, ha->pdev->device, func_num);
Manish Rangankar2a991c22011-07-25 13:48:55 -0500[diff] [blame]5856
Manish Rangankar0d5b36b2011-10-07 16:55:51 -0700[diff] [blame]5857 if (is_qla40XX(ha)) {
Manish Rangankar2a991c22011-07-25 13:48:55 -0500[diff] [blame]5858 if (func_num == 1) {
5859 addr = NVRAM_PORT0_BOOT_MODE;
5860 pri_addr = NVRAM_PORT0_BOOT_PRI_TGT;
5861 sec_addr = NVRAM_PORT0_BOOT_SEC_TGT;
5862 } else if (func_num == 3) {
5863 addr = NVRAM_PORT1_BOOT_MODE;
5864 pri_addr = NVRAM_PORT1_BOOT_PRI_TGT;
5865 sec_addr = NVRAM_PORT1_BOOT_SEC_TGT;
5866 } else {
5867 ret = QLA_ERROR;
5868 goto exit_boot_info;
5869 }
5870
5871 /* Check Boot Mode */
5872 val = rd_nvram_byte(ha, addr);
5873 if (!(val & 0x07)) {
Manish Rangankare8fb00e2012-02-13 18:30:43 +0530[diff] [blame]5874 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Adapter boot "
5875 "options : 0x%x\n", __func__, val));
Manish Rangankar2a991c22011-07-25 13:48:55 -0500[diff] [blame]5876 ret = QLA_ERROR;
5877 goto exit_boot_info;
5878 }
5879
5880 /* get primary valid target index */
5881 val = rd_nvram_byte(ha, pri_addr);
5882 if (val & BIT_7)
5883 ddb_index[0] = (val & 0x7f);
Manish Rangankar2a991c22011-07-25 13:48:55 -0500[diff] [blame]5884
5885 /* get secondary valid target index */
5886 val = rd_nvram_byte(ha, sec_addr);
5887 if (val & BIT_7)
5888 ddb_index[1] = (val & 0x7f);
Manish Rangankar2a991c22011-07-25 13:48:55 -0500[diff] [blame]5889
Vikas Chaudhary3e788fb2013-03-07 05:43:08 -0500[diff] [blame]5890 } else if (is_qla80XX(ha)) {
Manish Rangankar2a991c22011-07-25 13:48:55 -0500[diff] [blame]5891 buf = dma_alloc_coherent(&ha->pdev->dev, size,
5892 &buf_dma, GFP_KERNEL);
5893 if (!buf) {
5894 DEBUG2(ql4_printk(KERN_ERR, ha,
5895 "%s: Unable to allocate dma buffer\n",
5896 __func__));
5897 ret = QLA_ERROR;
5898 goto exit_boot_info;
5899 }
5900
5901 if (ha->port_num == 0)
5902 offset = BOOT_PARAM_OFFSET_PORT0;
5903 else if (ha->port_num == 1)
5904 offset = BOOT_PARAM_OFFSET_PORT1;
5905 else {
5906 ret = QLA_ERROR;
5907 goto exit_boot_info_free;
5908 }
5909 addr = FLASH_RAW_ACCESS_ADDR + (ha->hw.flt_iscsi_param * 4) +
5910 offset;
5911 if (qla4xxx_get_flash(ha, buf_dma, addr,
5912 13 * sizeof(uint8_t)) != QLA_SUCCESS) {
5913 DEBUG2(ql4_printk(KERN_ERR, ha, "scsi%ld: %s: Get Flash"
Petr Uzel0bd7f842012-02-24 16:32:59 +0100[diff] [blame]5914 " failed\n", ha->host_no, __func__));
Manish Rangankar2a991c22011-07-25 13:48:55 -0500[diff] [blame]5915 ret = QLA_ERROR;
5916 goto exit_boot_info_free;
5917 }
5918 /* Check Boot Mode */
5919 if (!(buf[1] & 0x07)) {
Manish Rangankare8fb00e2012-02-13 18:30:43 +0530[diff] [blame]5920 DEBUG2(ql4_printk(KERN_INFO, ha, "Firmware boot options"
5921 " : 0x%x\n", buf[1]));
Manish Rangankar2a991c22011-07-25 13:48:55 -0500[diff] [blame]5922 ret = QLA_ERROR;
5923 goto exit_boot_info_free;
5924 }
5925
5926 /* get primary valid target index */
5927 if (buf[2] & BIT_7)
5928 ddb_index[0] = buf[2] & 0x7f;
Manish Rangankar2a991c22011-07-25 13:48:55 -0500[diff] [blame]5929
5930 /* get secondary valid target index */
5931 if (buf[11] & BIT_7)
5932 ddb_index[1] = buf[11] & 0x7f;
Manish Rangankar2a991c22011-07-25 13:48:55 -0500[diff] [blame]5933 } else {
5934 ret = QLA_ERROR;
5935 goto exit_boot_info;
5936 }
5937
5938 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Primary target ID %d, Secondary"
5939 " target ID %d\n", __func__, ddb_index[0],
5940 ddb_index[1]));
5941
5942exit_boot_info_free:
5943 dma_free_coherent(&ha->pdev->dev, size, buf, buf_dma);
5944exit_boot_info:
Lalit Chandivade20e835b2012-02-13 18:30:42 +0530[diff] [blame]5945 ha->pri_ddb_idx = ddb_index[0];
5946 ha->sec_ddb_idx = ddb_index[1];
Manish Rangankar2a991c22011-07-25 13:48:55 -0500[diff] [blame]5947 return ret;
5948}
5949
Lalit Chandivade28deb452011-10-07 16:55:44 -0700[diff] [blame]5950/**
5951 * qla4xxx_get_bidi_chap - Get a BIDI CHAP user and password
5952 * @ha: pointer to adapter structure
5953 * @username: CHAP username to be returned
5954 * @password: CHAP password to be returned
5955 *
5956 * If a boot entry has BIDI CHAP enabled then we need to set the BIDI CHAP
5957 * user and password in the sysfs entry in /sys/firmware/iscsi_boot#/.
5958 * So from the CHAP cache find the first BIDI CHAP entry and set it
5959 * to the boot record in sysfs.
5960 **/
5961static int qla4xxx_get_bidi_chap(struct scsi_qla_host *ha, char *username,
5962 char *password)
5963{
5964 int i, ret = -EINVAL;
5965 int max_chap_entries = 0;
5966 struct ql4_chap_table *chap_table;
5967
Vikas Chaudharyd11b0ca2013-03-22 07:08:31 -0400[diff] [blame]5968 if (is_qla80XX(ha))
Lalit Chandivade28deb452011-10-07 16:55:44 -0700[diff] [blame]5969 max_chap_entries = (ha->hw.flt_chap_size / 2) /
5970 sizeof(struct ql4_chap_table);
5971 else
5972 max_chap_entries = MAX_CHAP_ENTRIES_40XX;
5973
5974 if (!ha->chap_list) {
5975 ql4_printk(KERN_ERR, ha, "Do not have CHAP table cache\n");
5976 return ret;
5977 }
5978
5979 mutex_lock(&ha->chap_sem);
5980 for (i = 0; i < max_chap_entries; i++) {
5981 chap_table = (struct ql4_chap_table *)ha->chap_list + i;
5982 if (chap_table->cookie !=
5983 __constant_cpu_to_le16(CHAP_VALID_COOKIE)) {
5984 continue;
5985 }
5986
5987 if (chap_table->flags & BIT_7) /* local */
5988 continue;
5989
5990 if (!(chap_table->flags & BIT_6)) /* Not BIDI */
5991 continue;
5992
5993 strncpy(password, chap_table->secret, QL4_CHAP_MAX_SECRET_LEN);
5994 strncpy(username, chap_table->name, QL4_CHAP_MAX_NAME_LEN);
5995 ret = 0;
5996 break;
5997 }
5998 mutex_unlock(&ha->chap_sem);
5999
6000 return ret;
6001}
6002
6003
Manish Rangankar2a991c22011-07-25 13:48:55 -0500[diff] [blame]6004static int qla4xxx_get_boot_target(struct scsi_qla_host *ha,
6005 struct ql4_boot_session_info *boot_sess,
6006 uint16_t ddb_index)
6007{
6008 struct ql4_conn_info *boot_conn = &boot_sess->conn_list[0];
6009 struct dev_db_entry *fw_ddb_entry;
6010 dma_addr_t fw_ddb_entry_dma;
6011 uint16_t idx;
6012 uint16_t options;
6013 int ret = QLA_SUCCESS;
6014
6015 fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
6016 &fw_ddb_entry_dma, GFP_KERNEL);
6017 if (!fw_ddb_entry) {
6018 DEBUG2(ql4_printk(KERN_ERR, ha,
6019 "%s: Unable to allocate dma buffer.\n",
6020 __func__));
6021 ret = QLA_ERROR;
6022 return ret;
6023 }
6024
6025 if (qla4xxx_bootdb_by_index(ha, fw_ddb_entry,
6026 fw_ddb_entry_dma, ddb_index)) {
Manish Rangankare8fb00e2012-02-13 18:30:43 +0530[diff] [blame]6027 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: No Flash DDB found at "
6028 "index [%d]\n", __func__, ddb_index));
Manish Rangankar2a991c22011-07-25 13:48:55 -0500[diff] [blame]6029 ret = QLA_ERROR;
6030 goto exit_boot_target;
6031 }
6032
6033 /* Update target name and IP from DDB */
6034 memcpy(boot_sess->target_name, fw_ddb_entry->iscsi_name,
6035 min(sizeof(boot_sess->target_name),
6036 sizeof(fw_ddb_entry->iscsi_name)));
6037
6038 options = le16_to_cpu(fw_ddb_entry->options);
6039 if (options & DDB_OPT_IPV6_DEVICE) {
6040 memcpy(&boot_conn->dest_ipaddr.ip_address,
6041 &fw_ddb_entry->ip_addr[0], IPv6_ADDR_LEN);
6042 } else {
6043 boot_conn->dest_ipaddr.ip_type = 0x1;
6044 memcpy(&boot_conn->dest_ipaddr.ip_address,
6045 &fw_ddb_entry->ip_addr[0], IP_ADDR_LEN);
6046 }
6047
6048 boot_conn->dest_port = le16_to_cpu(fw_ddb_entry->port);
6049
6050 /* update chap information */
6051 idx = __le16_to_cpu(fw_ddb_entry->chap_tbl_idx);
6052
6053 if (BIT_7 & le16_to_cpu(fw_ddb_entry->iscsi_options)) {
6054
6055 DEBUG2(ql4_printk(KERN_INFO, ha, "Setting chap\n"));
6056
6057 ret = qla4xxx_get_chap(ha, (char *)&boot_conn->chap.
6058 target_chap_name,
6059 (char *)&boot_conn->chap.target_secret,
6060 idx);
6061 if (ret) {
6062 ql4_printk(KERN_ERR, ha, "Failed to set chap\n");
6063 ret = QLA_ERROR;
6064 goto exit_boot_target;
6065 }
6066
6067 boot_conn->chap.target_chap_name_length = QL4_CHAP_MAX_NAME_LEN;
6068 boot_conn->chap.target_secret_length = QL4_CHAP_MAX_SECRET_LEN;
6069 }
6070
6071 if (BIT_4 & le16_to_cpu(fw_ddb_entry->iscsi_options)) {
6072
6073 DEBUG2(ql4_printk(KERN_INFO, ha, "Setting BIDI chap\n"));
6074
Lalit Chandivade28deb452011-10-07 16:55:44 -0700[diff] [blame]6075 ret = qla4xxx_get_bidi_chap(ha,
6076 (char *)&boot_conn->chap.intr_chap_name,
6077 (char *)&boot_conn->chap.intr_secret);
6078
Manish Rangankar2a991c22011-07-25 13:48:55 -0500[diff] [blame]6079 if (ret) {
6080 ql4_printk(KERN_ERR, ha, "Failed to set BIDI chap\n");
6081 ret = QLA_ERROR;
6082 goto exit_boot_target;
6083 }
6084
6085 boot_conn->chap.intr_chap_name_length = QL4_CHAP_MAX_NAME_LEN;
6086 boot_conn->chap.intr_secret_length = QL4_CHAP_MAX_SECRET_LEN;
6087 }
6088
6089exit_boot_target:
6090 dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
6091 fw_ddb_entry, fw_ddb_entry_dma);
6092 return ret;
6093}
6094
6095static int qla4xxx_get_boot_info(struct scsi_qla_host *ha)
6096{
6097 uint16_t ddb_index[2];
Lalit Chandivade8de5b952011-10-07 16:55:43 -0700[diff] [blame]6098 int ret = QLA_ERROR;
6099 int rval;
Manish Rangankar2a991c22011-07-25 13:48:55 -0500[diff] [blame]6100
6101 memset(ddb_index, 0, sizeof(ddb_index));
Lalit Chandivade8de5b952011-10-07 16:55:43 -0700[diff] [blame]6102 ddb_index[0] = 0xffff;
6103 ddb_index[1] = 0xffff;
Manish Rangankar2a991c22011-07-25 13:48:55 -0500[diff] [blame]6104 ret = get_fw_boot_info(ha, ddb_index);
6105 if (ret != QLA_SUCCESS) {
Manish Rangankare8fb00e2012-02-13 18:30:43 +0530[diff] [blame]6106 DEBUG2(ql4_printk(KERN_INFO, ha,
6107 "%s: No boot target configured.\n", __func__));
Manish Rangankar2a991c22011-07-25 13:48:55 -0500[diff] [blame]6108 return ret;
6109 }
6110
Mike Christie13483732011-12-01 21:38:41 -0600[diff] [blame]6111 if (ql4xdisablesysfsboot)
6112 return QLA_SUCCESS;
6113
Lalit Chandivade8de5b952011-10-07 16:55:43 -0700[diff] [blame]6114 if (ddb_index[0] == 0xffff)
6115 goto sec_target;
6116
6117 rval = qla4xxx_get_boot_target(ha, &(ha->boot_tgt.boot_pri_sess),
Manish Rangankar2a991c22011-07-25 13:48:55 -0500[diff] [blame]6118 ddb_index[0]);
Lalit Chandivade8de5b952011-10-07 16:55:43 -0700[diff] [blame]6119 if (rval != QLA_SUCCESS) {
Manish Rangankare8fb00e2012-02-13 18:30:43 +0530[diff] [blame]6120 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Primary boot target not "
6121 "configured\n", __func__));
Lalit Chandivade8de5b952011-10-07 16:55:43 -0700[diff] [blame]6122 } else
6123 ret = QLA_SUCCESS;
Manish Rangankar2a991c22011-07-25 13:48:55 -0500[diff] [blame]6124
Lalit Chandivade8de5b952011-10-07 16:55:43 -0700[diff] [blame]6125sec_target:
6126 if (ddb_index[1] == 0xffff)
6127 goto exit_get_boot_info;
6128
6129 rval = qla4xxx_get_boot_target(ha, &(ha->boot_tgt.boot_sec_sess),
Manish Rangankar2a991c22011-07-25 13:48:55 -0500[diff] [blame]6130 ddb_index[1]);
Lalit Chandivade8de5b952011-10-07 16:55:43 -0700[diff] [blame]6131 if (rval != QLA_SUCCESS) {
Manish Rangankare8fb00e2012-02-13 18:30:43 +0530[diff] [blame]6132 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Secondary boot target not"
6133 " configured\n", __func__));
Lalit Chandivade8de5b952011-10-07 16:55:43 -0700[diff] [blame]6134 } else
6135 ret = QLA_SUCCESS;
6136
6137exit_get_boot_info:
Manish Rangankar2a991c22011-07-25 13:48:55 -0500[diff] [blame]6138 return ret;
6139}
6140
6141static int qla4xxx_setup_boot_info(struct scsi_qla_host *ha)
6142{
6143 struct iscsi_boot_kobj *boot_kobj;
6144
6145 if (qla4xxx_get_boot_info(ha) != QLA_SUCCESS)
Mike Christie13483732011-12-01 21:38:41 -0600[diff] [blame]6146 return QLA_ERROR;
6147
6148 if (ql4xdisablesysfsboot) {
6149 ql4_printk(KERN_INFO, ha,
Petr Uzel0bd7f842012-02-24 16:32:59 +0100[diff] [blame]6150 "%s: syfsboot disabled - driver will trigger login "
Mike Christie13483732011-12-01 21:38:41 -0600[diff] [blame]6151 "and publish session for discovery .\n", __func__);
6152 return QLA_SUCCESS;
6153 }
6154
Manish Rangankar2a991c22011-07-25 13:48:55 -0500[diff] [blame]6155
6156 ha->boot_kset = iscsi_boot_create_host_kset(ha->host->host_no);
6157 if (!ha->boot_kset)
6158 goto kset_free;
6159
6160 if (!scsi_host_get(ha->host))
6161 goto kset_free;
6162 boot_kobj = iscsi_boot_create_target(ha->boot_kset, 0, ha,
6163 qla4xxx_show_boot_tgt_pri_info,
6164 qla4xxx_tgt_get_attr_visibility,
6165 qla4xxx_boot_release);
6166 if (!boot_kobj)
6167 goto put_host;
6168
6169 if (!scsi_host_get(ha->host))
6170 goto kset_free;
6171 boot_kobj = iscsi_boot_create_target(ha->boot_kset, 1, ha,
6172 qla4xxx_show_boot_tgt_sec_info,
6173 qla4xxx_tgt_get_attr_visibility,
6174 qla4xxx_boot_release);
6175 if (!boot_kobj)
6176 goto put_host;
6177
6178 if (!scsi_host_get(ha->host))
6179 goto kset_free;
6180 boot_kobj = iscsi_boot_create_initiator(ha->boot_kset, 0, ha,
6181 qla4xxx_show_boot_ini_info,
6182 qla4xxx_ini_get_attr_visibility,
6183 qla4xxx_boot_release);
6184 if (!boot_kobj)
6185 goto put_host;
6186
6187 if (!scsi_host_get(ha->host))
6188 goto kset_free;
6189 boot_kobj = iscsi_boot_create_ethernet(ha->boot_kset, 0, ha,
6190 qla4xxx_show_boot_eth_info,
6191 qla4xxx_eth_get_attr_visibility,
6192 qla4xxx_boot_release);
6193 if (!boot_kobj)
6194 goto put_host;
6195
Mike Christie13483732011-12-01 21:38:41 -0600[diff] [blame]6196 return QLA_SUCCESS;
Manish Rangankar2a991c22011-07-25 13:48:55 -0500[diff] [blame]6197
6198put_host:
6199 scsi_host_put(ha->host);
6200kset_free:
6201 iscsi_boot_destroy_kset(ha->boot_kset);
6202 return -ENOMEM;
6203}
6204
Lalit Chandivade45494152011-10-07 16:55:42 -0700[diff] [blame]6205
Mike Christie13483732011-12-01 21:38:41 -0600[diff] [blame]6206static void qla4xxx_get_param_ddb(struct ddb_entry *ddb_entry,
6207 struct ql4_tuple_ddb *tddb)
6208{
6209 struct scsi_qla_host *ha;
6210 struct iscsi_cls_session *cls_sess;
6211 struct iscsi_cls_conn *cls_conn;
6212 struct iscsi_session *sess;
6213 struct iscsi_conn *conn;
6214
6215 DEBUG2(printk(KERN_INFO "Func: %s\n", __func__));
6216 ha = ddb_entry->ha;
6217 cls_sess = ddb_entry->sess;
6218 sess = cls_sess->dd_data;
6219 cls_conn = ddb_entry->conn;
6220 conn = cls_conn->dd_data;
6221
6222 tddb->tpgt = sess->tpgt;
6223 tddb->port = conn->persistent_port;
6224 strncpy(tddb->iscsi_name, sess->targetname, ISCSI_NAME_SIZE);
6225 strncpy(tddb->ip_addr, conn->persistent_address, DDB_IPADDR_LEN);
6226}
6227
6228static void qla4xxx_convert_param_ddb(struct dev_db_entry *fw_ddb_entry,
Vikas Chaudhary1cb78d72012-06-14 06:35:48 -0400[diff] [blame]6229 struct ql4_tuple_ddb *tddb,
6230 uint8_t *flash_isid)
Mike Christie13483732011-12-01 21:38:41 -0600[diff] [blame]6231{
6232 uint16_t options = 0;
6233
6234 tddb->tpgt = le32_to_cpu(fw_ddb_entry->tgt_portal_grp);
6235 memcpy(&tddb->iscsi_name[0], &fw_ddb_entry->iscsi_name[0],
6236 min(sizeof(tddb->iscsi_name), sizeof(fw_ddb_entry->iscsi_name)));
6237
6238 options = le16_to_cpu(fw_ddb_entry->options);
6239 if (options & DDB_OPT_IPV6_DEVICE)
6240 sprintf(tddb->ip_addr, "%pI6", fw_ddb_entry->ip_addr);
6241 else
6242 sprintf(tddb->ip_addr, "%pI4", fw_ddb_entry->ip_addr);
6243
6244 tddb->port = le16_to_cpu(fw_ddb_entry->port);
Vikas Chaudhary1cb78d72012-06-14 06:35:48 -0400[diff] [blame]6245
6246 if (flash_isid == NULL)
6247 memcpy(&tddb->isid[0], &fw_ddb_entry->isid[0],
6248 sizeof(tddb->isid));
6249 else
6250 memcpy(&tddb->isid[0], &flash_isid[0], sizeof(tddb->isid));
Mike Christie13483732011-12-01 21:38:41 -0600[diff] [blame]6251}
6252
6253static int qla4xxx_compare_tuple_ddb(struct scsi_qla_host *ha,
6254 struct ql4_tuple_ddb *old_tddb,
Manish Rangankar173269e2012-02-27 03:08:55 -0800[diff] [blame]6255 struct ql4_tuple_ddb *new_tddb,
6256 uint8_t is_isid_compare)
Mike Christie13483732011-12-01 21:38:41 -0600[diff] [blame]6257{
6258 if (strcmp(old_tddb->iscsi_name, new_tddb->iscsi_name))
6259 return QLA_ERROR;
6260
6261 if (strcmp(old_tddb->ip_addr, new_tddb->ip_addr))
6262 return QLA_ERROR;
6263
6264 if (old_tddb->port != new_tddb->port)
6265 return QLA_ERROR;
6266
Manish Rangankar173269e2012-02-27 03:08:55 -0800[diff] [blame]6267 /* For multi sessions, driver generates the ISID, so do not compare
Masanari Iida59e13d42012-04-25 00:24:16 +0900[diff] [blame]6268 * ISID in reset path since it would be a comparison between the
Manish Rangankar173269e2012-02-27 03:08:55 -0800[diff] [blame]6269 * driver generated ISID and firmware generated ISID. This could
6270 * lead to adding duplicated DDBs in the list as driver generated
6271 * ISID would not match firmware generated ISID.
6272 */
6273 if (is_isid_compare) {
6274 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: old ISID [%02x%02x%02x"
6275 "%02x%02x%02x] New ISID [%02x%02x%02x%02x%02x%02x]\n",
6276 __func__, old_tddb->isid[5], old_tddb->isid[4],
6277 old_tddb->isid[3], old_tddb->isid[2], old_tddb->isid[1],
6278 old_tddb->isid[0], new_tddb->isid[5], new_tddb->isid[4],
6279 new_tddb->isid[3], new_tddb->isid[2], new_tddb->isid[1],
6280 new_tddb->isid[0]));
6281
6282 if (memcmp(&old_tddb->isid[0], &new_tddb->isid[0],
6283 sizeof(old_tddb->isid)))
6284 return QLA_ERROR;
6285 }
6286
Mike Christie13483732011-12-01 21:38:41 -0600[diff] [blame]6287 DEBUG2(ql4_printk(KERN_INFO, ha,
6288 "Match Found, fw[%d,%d,%s,%s], [%d,%d,%s,%s]",
6289 old_tddb->port, old_tddb->tpgt, old_tddb->ip_addr,
6290 old_tddb->iscsi_name, new_tddb->port, new_tddb->tpgt,
6291 new_tddb->ip_addr, new_tddb->iscsi_name));
6292
6293 return QLA_SUCCESS;
6294}
6295
6296static int qla4xxx_is_session_exists(struct scsi_qla_host *ha,
Manish Rangankarad8bd452013-09-17 07:30:02 -0400[diff] [blame]6297 struct dev_db_entry *fw_ddb_entry,
6298 uint32_t *index)
Mike Christie13483732011-12-01 21:38:41 -0600[diff] [blame]6299{
6300 struct ddb_entry *ddb_entry;
6301 struct ql4_tuple_ddb *fw_tddb = NULL;
6302 struct ql4_tuple_ddb *tmp_tddb = NULL;
6303 int idx;
6304 int ret = QLA_ERROR;
6305
6306 fw_tddb = vzalloc(sizeof(*fw_tddb));
6307 if (!fw_tddb) {
6308 DEBUG2(ql4_printk(KERN_WARNING, ha,
6309 "Memory Allocation failed.\n"));
6310 ret = QLA_SUCCESS;
6311 goto exit_check;
6312 }
6313
6314 tmp_tddb = vzalloc(sizeof(*tmp_tddb));
6315 if (!tmp_tddb) {
6316 DEBUG2(ql4_printk(KERN_WARNING, ha,
6317 "Memory Allocation failed.\n"));
6318 ret = QLA_SUCCESS;
6319 goto exit_check;
6320 }
6321
Vikas Chaudhary1cb78d72012-06-14 06:35:48 -0400[diff] [blame]6322 qla4xxx_convert_param_ddb(fw_ddb_entry, fw_tddb, NULL);
Mike Christie13483732011-12-01 21:38:41 -0600[diff] [blame]6323
6324 for (idx = 0; idx < MAX_DDB_ENTRIES; idx++) {
6325 ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx);
6326 if (ddb_entry == NULL)
6327 continue;
6328
6329 qla4xxx_get_param_ddb(ddb_entry, tmp_tddb);
Manish Rangankar173269e2012-02-27 03:08:55 -0800[diff] [blame]6330 if (!qla4xxx_compare_tuple_ddb(ha, fw_tddb, tmp_tddb, false)) {
Mike Christie13483732011-12-01 21:38:41 -0600[diff] [blame]6331 ret = QLA_SUCCESS; /* found */
Manish Rangankarad8bd452013-09-17 07:30:02 -0400[diff] [blame]6332 if (index != NULL)
6333 *index = idx;
Mike Christie13483732011-12-01 21:38:41 -0600[diff] [blame]6334 goto exit_check;
6335 }
6336 }
6337
6338exit_check:
6339 if (fw_tddb)
6340 vfree(fw_tddb);
6341 if (tmp_tddb)
6342 vfree(tmp_tddb);
6343 return ret;
6344}
6345
Vikas Chaudhary1cb78d72012-06-14 06:35:48 -0400[diff] [blame]6346/**
6347 * qla4xxx_check_existing_isid - check if target with same isid exist
6348 * in target list
6349 * @list_nt: list of target
6350 * @isid: isid to check
6351 *
6352 * This routine return QLA_SUCCESS if target with same isid exist
6353 **/
6354static int qla4xxx_check_existing_isid(struct list_head *list_nt, uint8_t *isid)
6355{
6356 struct qla_ddb_index *nt_ddb_idx, *nt_ddb_idx_tmp;
6357 struct dev_db_entry *fw_ddb_entry;
6358
6359 list_for_each_entry_safe(nt_ddb_idx, nt_ddb_idx_tmp, list_nt, list) {
6360 fw_ddb_entry = &nt_ddb_idx->fw_ddb;
6361
6362 if (memcmp(&fw_ddb_entry->isid[0], &isid[0],
6363 sizeof(nt_ddb_idx->fw_ddb.isid)) == 0) {
6364 return QLA_SUCCESS;
6365 }
6366 }
6367 return QLA_ERROR;
6368}
6369
6370/**
6371 * qla4xxx_update_isid - compare ddbs and updated isid
6372 * @ha: Pointer to host adapter structure.
6373 * @list_nt: list of nt target
6374 * @fw_ddb_entry: firmware ddb entry
6375 *
6376 * This routine update isid if ddbs have same iqn, same isid and
6377 * different IP addr.
6378 * Return QLA_SUCCESS if isid is updated.
6379 **/
6380static int qla4xxx_update_isid(struct scsi_qla_host *ha,
6381 struct list_head *list_nt,
6382 struct dev_db_entry *fw_ddb_entry)
6383{
6384 uint8_t base_value, i;
6385
6386 base_value = fw_ddb_entry->isid[1] & 0x1f;
6387 for (i = 0; i < 8; i++) {
6388 fw_ddb_entry->isid[1] = (base_value | (i << 5));
6389 if (qla4xxx_check_existing_isid(list_nt, fw_ddb_entry->isid))
6390 break;
6391 }
6392
6393 if (!qla4xxx_check_existing_isid(list_nt, fw_ddb_entry->isid))
6394 return QLA_ERROR;
6395
6396 return QLA_SUCCESS;
6397}
6398
6399/**
6400 * qla4xxx_should_update_isid - check if isid need to update
6401 * @ha: Pointer to host adapter structure.
6402 * @old_tddb: ddb tuple
6403 * @new_tddb: ddb tuple
6404 *
6405 * Return QLA_SUCCESS if different IP, different PORT, same iqn,
6406 * same isid
6407 **/
6408static int qla4xxx_should_update_isid(struct scsi_qla_host *ha,
6409 struct ql4_tuple_ddb *old_tddb,
6410 struct ql4_tuple_ddb *new_tddb)
6411{
6412 if (strcmp(old_tddb->ip_addr, new_tddb->ip_addr) == 0) {
6413 /* Same ip */
6414 if (old_tddb->port == new_tddb->port)
6415 return QLA_ERROR;
6416 }
6417
6418 if (strcmp(old_tddb->iscsi_name, new_tddb->iscsi_name))
6419 /* different iqn */
6420 return QLA_ERROR;
6421
6422 if (memcmp(&old_tddb->isid[0], &new_tddb->isid[0],
6423 sizeof(old_tddb->isid)))
6424 /* different isid */
6425 return QLA_ERROR;
6426
6427 return QLA_SUCCESS;
6428}
6429
6430/**
6431 * qla4xxx_is_flash_ddb_exists - check if fw_ddb_entry already exists in list_nt
6432 * @ha: Pointer to host adapter structure.
6433 * @list_nt: list of nt target.
6434 * @fw_ddb_entry: firmware ddb entry.
6435 *
6436 * This routine check if fw_ddb_entry already exists in list_nt to avoid
6437 * duplicate ddb in list_nt.
6438 * Return QLA_SUCCESS if duplicate ddb exit in list_nl.
6439 * Note: This function also update isid of DDB if required.
6440 **/
6441
Mike Christie13483732011-12-01 21:38:41 -0600[diff] [blame]6442static int qla4xxx_is_flash_ddb_exists(struct scsi_qla_host *ha,
6443 struct list_head *list_nt,
6444 struct dev_db_entry *fw_ddb_entry)
6445{
6446 struct qla_ddb_index *nt_ddb_idx, *nt_ddb_idx_tmp;
6447 struct ql4_tuple_ddb *fw_tddb = NULL;
6448 struct ql4_tuple_ddb *tmp_tddb = NULL;
Vikas Chaudhary1cb78d72012-06-14 06:35:48 -0400[diff] [blame]6449 int rval, ret = QLA_ERROR;
Mike Christie13483732011-12-01 21:38:41 -0600[diff] [blame]6450
6451 fw_tddb = vzalloc(sizeof(*fw_tddb));
6452 if (!fw_tddb) {
6453 DEBUG2(ql4_printk(KERN_WARNING, ha,
6454 "Memory Allocation failed.\n"));
6455 ret = QLA_SUCCESS;
6456 goto exit_check;
6457 }
6458
6459 tmp_tddb = vzalloc(sizeof(*tmp_tddb));
6460 if (!tmp_tddb) {
6461 DEBUG2(ql4_printk(KERN_WARNING, ha,
6462 "Memory Allocation failed.\n"));
6463 ret = QLA_SUCCESS;
6464 goto exit_check;
6465 }
6466
Vikas Chaudhary1cb78d72012-06-14 06:35:48 -0400[diff] [blame]6467 qla4xxx_convert_param_ddb(fw_ddb_entry, fw_tddb, NULL);
Mike Christie13483732011-12-01 21:38:41 -0600[diff] [blame]6468
6469 list_for_each_entry_safe(nt_ddb_idx, nt_ddb_idx_tmp, list_nt, list) {
Vikas Chaudhary1cb78d72012-06-14 06:35:48 -0400[diff] [blame]6470 qla4xxx_convert_param_ddb(&nt_ddb_idx->fw_ddb, tmp_tddb,
6471 nt_ddb_idx->flash_isid);
6472 ret = qla4xxx_compare_tuple_ddb(ha, fw_tddb, tmp_tddb, true);
6473 /* found duplicate ddb */
6474 if (ret == QLA_SUCCESS)
6475 goto exit_check;
6476 }
6477
6478 list_for_each_entry_safe(nt_ddb_idx, nt_ddb_idx_tmp, list_nt, list) {
6479 qla4xxx_convert_param_ddb(&nt_ddb_idx->fw_ddb, tmp_tddb, NULL);
6480
6481 ret = qla4xxx_should_update_isid(ha, tmp_tddb, fw_tddb);
6482 if (ret == QLA_SUCCESS) {
6483 rval = qla4xxx_update_isid(ha, list_nt, fw_ddb_entry);
6484 if (rval == QLA_SUCCESS)
6485 ret = QLA_ERROR;
6486 else
6487 ret = QLA_SUCCESS;
6488
Mike Christie13483732011-12-01 21:38:41 -0600[diff] [blame]6489 goto exit_check;
6490 }
6491 }
6492
6493exit_check:
6494 if (fw_tddb)
6495 vfree(fw_tddb);
6496 if (tmp_tddb)
6497 vfree(tmp_tddb);
6498 return ret;
6499}
6500
Lalit Chandivade4a4bc2e2011-12-16 01:58:55 -0800[diff] [blame]6501static void qla4xxx_free_ddb_list(struct list_head *list_ddb)
Mike Christie13483732011-12-01 21:38:41 -0600[diff] [blame]6502{
Lalit Chandivade4a4bc2e2011-12-16 01:58:55 -0800[diff] [blame]6503 struct qla_ddb_index *ddb_idx, *ddb_idx_tmp;
Mike Christie13483732011-12-01 21:38:41 -0600[diff] [blame]6504
Lalit Chandivade4a4bc2e2011-12-16 01:58:55 -0800[diff] [blame]6505 list_for_each_entry_safe(ddb_idx, ddb_idx_tmp, list_ddb, list) {
6506 list_del_init(&ddb_idx->list);
6507 vfree(ddb_idx);
Mike Christie13483732011-12-01 21:38:41 -0600[diff] [blame]6508 }
Mike Christie13483732011-12-01 21:38:41 -0600[diff] [blame]6509}
6510
6511static struct iscsi_endpoint *qla4xxx_get_ep_fwdb(struct scsi_qla_host *ha,
6512 struct dev_db_entry *fw_ddb_entry)
6513{
6514 struct iscsi_endpoint *ep;
6515 struct sockaddr_in *addr;
6516 struct sockaddr_in6 *addr6;
Manish Rangankar3dd48492012-11-23 06:58:40 -0500[diff] [blame]6517 struct sockaddr *t_addr;
6518 struct sockaddr_storage *dst_addr;
Mike Christie13483732011-12-01 21:38:41 -0600[diff] [blame]6519 char *ip;
6520
6521 /* TODO: need to destroy on unload iscsi_endpoint*/
6522 dst_addr = vmalloc(sizeof(*dst_addr));
6523 if (!dst_addr)
6524 return NULL;
6525
6526 if (fw_ddb_entry->options & DDB_OPT_IPV6_DEVICE) {
Manish Rangankar3dd48492012-11-23 06:58:40 -0500[diff] [blame]6527 t_addr = (struct sockaddr *)dst_addr;
6528 t_addr->sa_family = AF_INET6;
Mike Christie13483732011-12-01 21:38:41 -0600[diff] [blame]6529 addr6 = (struct sockaddr_in6 *)dst_addr;
6530 ip = (char *)&addr6->sin6_addr;
6531 memcpy(ip, fw_ddb_entry->ip_addr, IPv6_ADDR_LEN);
6532 addr6->sin6_port = htons(le16_to_cpu(fw_ddb_entry->port));
6533
6534 } else {
Manish Rangankar3dd48492012-11-23 06:58:40 -0500[diff] [blame]6535 t_addr = (struct sockaddr *)dst_addr;
6536 t_addr->sa_family = AF_INET;
Mike Christie13483732011-12-01 21:38:41 -0600[diff] [blame]6537 addr = (struct sockaddr_in *)dst_addr;
6538 ip = (char *)&addr->sin_addr;
6539 memcpy(ip, fw_ddb_entry->ip_addr, IP_ADDR_LEN);
6540 addr->sin_port = htons(le16_to_cpu(fw_ddb_entry->port));
6541 }
6542
Manish Rangankar3dd48492012-11-23 06:58:40 -0500[diff] [blame]6543 ep = qla4xxx_ep_connect(ha->host, (struct sockaddr *)dst_addr, 0);
Mike Christie13483732011-12-01 21:38:41 -0600[diff] [blame]6544 vfree(dst_addr);
6545 return ep;
6546}
6547
6548static int qla4xxx_verify_boot_idx(struct scsi_qla_host *ha, uint16_t idx)
6549{
6550 if (ql4xdisablesysfsboot)
6551 return QLA_SUCCESS;
6552 if (idx == ha->pri_ddb_idx || idx == ha->sec_ddb_idx)
6553 return QLA_ERROR;
6554 return QLA_SUCCESS;
6555}
6556
6557static void qla4xxx_setup_flash_ddb_entry(struct scsi_qla_host *ha,
Manish Rangankar1dc8ed52013-01-20 23:51:03 -0500[diff] [blame]6558 struct ddb_entry *ddb_entry,
6559 uint16_t idx)
Mike Christie13483732011-12-01 21:38:41 -0600[diff] [blame]6560{
Nilesh Javalic28eaac2011-12-18 21:40:44 -0800[diff] [blame]6561 uint16_t def_timeout;
6562
Mike Christie13483732011-12-01 21:38:41 -0600[diff] [blame]6563 ddb_entry->ddb_type = FLASH_DDB;
6564 ddb_entry->fw_ddb_index = INVALID_ENTRY;
6565 ddb_entry->fw_ddb_device_state = DDB_DS_NO_CONNECTION_ACTIVE;
6566 ddb_entry->ha = ha;
6567 ddb_entry->unblock_sess = qla4xxx_unblock_flash_ddb;
6568 ddb_entry->ddb_change = qla4xxx_flash_ddb_change;
Adheer Chandravanshi946ac572013-09-17 07:54:46 -0400[diff] [blame]6569 ddb_entry->chap_tbl_idx = INVALID_ENTRY;
Mike Christie13483732011-12-01 21:38:41 -0600[diff] [blame]6570
6571 atomic_set(&ddb_entry->retry_relogin_timer, INVALID_ENTRY);
6572 atomic_set(&ddb_entry->relogin_timer, 0);
6573 atomic_set(&ddb_entry->relogin_retry_count, 0);
Nilesh Javalic28eaac2011-12-18 21:40:44 -0800[diff] [blame]6574 def_timeout = le16_to_cpu(ddb_entry->fw_ddb_entry.def_timeout);
Mike Christie13483732011-12-01 21:38:41 -0600[diff] [blame]6575 ddb_entry->default_relogin_timeout =
Nilesh Javalic28eaac2011-12-18 21:40:44 -0800[diff] [blame]6576 (def_timeout > LOGIN_TOV) && (def_timeout < LOGIN_TOV * 10) ?
6577 def_timeout : LOGIN_TOV;
Mike Christie13483732011-12-01 21:38:41 -0600[diff] [blame]6578 ddb_entry->default_time2wait =
6579 le16_to_cpu(ddb_entry->fw_ddb_entry.iscsi_def_time2wait);
Manish Rangankar1dc8ed52013-01-20 23:51:03 -0500[diff] [blame]6580
6581 if (ql4xdisablesysfsboot &&
6582 (idx == ha->pri_ddb_idx || idx == ha->sec_ddb_idx))
6583 set_bit(DF_BOOT_TGT, &ddb_entry->flags);
Mike Christie13483732011-12-01 21:38:41 -0600[diff] [blame]6584}
6585
6586static void qla4xxx_wait_for_ip_configuration(struct scsi_qla_host *ha)
6587{
6588 uint32_t idx = 0;
6589 uint32_t ip_idx[IP_ADDR_COUNT] = {0, 1, 2, 3}; /* 4 IP interfaces */
6590 uint32_t sts[MBOX_REG_COUNT];
6591 uint32_t ip_state;
6592 unsigned long wtime;
6593 int ret;
6594
6595 wtime = jiffies + (HZ * IP_CONFIG_TOV);
6596 do {
6597 for (idx = 0; idx < IP_ADDR_COUNT; idx++) {
6598 if (ip_idx[idx] == -1)
6599 continue;
6600
6601 ret = qla4xxx_get_ip_state(ha, 0, ip_idx[idx], sts);
6602
6603 if (ret == QLA_ERROR) {
6604 ip_idx[idx] = -1;
6605 continue;
6606 }
6607
6608 ip_state = (sts[1] & IP_STATE_MASK) >> IP_STATE_SHIFT;
6609
6610 DEBUG2(ql4_printk(KERN_INFO, ha,
6611 "Waiting for IP state for idx = %d, state = 0x%x\n",
6612 ip_idx[idx], ip_state));
6613 if (ip_state == IP_ADDRSTATE_UNCONFIGURED ||
6614 ip_state == IP_ADDRSTATE_INVALID ||
6615 ip_state == IP_ADDRSTATE_PREFERRED ||
6616 ip_state == IP_ADDRSTATE_DEPRICATED ||
6617 ip_state == IP_ADDRSTATE_DISABLING)
6618 ip_idx[idx] = -1;
Mike Christie13483732011-12-01 21:38:41 -0600[diff] [blame]6619 }
6620
6621 /* Break if all IP states checked */
6622 if ((ip_idx[0] == -1) &&
6623 (ip_idx[1] == -1) &&
6624 (ip_idx[2] == -1) &&
6625 (ip_idx[3] == -1))
6626 break;
6627 schedule_timeout_uninterruptible(HZ);
6628 } while (time_after(wtime, jiffies));
6629}
6630
Manish Rangankarad8bd452013-09-17 07:30:02 -0400[diff] [blame]6631static int qla4xxx_cmp_fw_stentry(struct dev_db_entry *fw_ddb_entry,
6632 struct dev_db_entry *flash_ddb_entry)
6633{
6634 uint16_t options = 0;
6635 size_t ip_len = IP_ADDR_LEN;
6636
6637 options = le16_to_cpu(fw_ddb_entry->options);
6638 if (options & DDB_OPT_IPV6_DEVICE)
6639 ip_len = IPv6_ADDR_LEN;
6640
6641 if (memcmp(fw_ddb_entry->ip_addr, flash_ddb_entry->ip_addr, ip_len))
6642 return QLA_ERROR;
6643
6644 if (memcmp(&fw_ddb_entry->isid[0], &flash_ddb_entry->isid[0],
6645 sizeof(fw_ddb_entry->isid)))
6646 return QLA_ERROR;
6647
6648 if (memcmp(&fw_ddb_entry->port, &flash_ddb_entry->port,
6649 sizeof(fw_ddb_entry->port)))
6650 return QLA_ERROR;
6651
6652 return QLA_SUCCESS;
6653}
6654
6655static int qla4xxx_find_flash_st_idx(struct scsi_qla_host *ha,
6656 struct dev_db_entry *fw_ddb_entry,
6657 uint32_t fw_idx, uint32_t *flash_index)
6658{
6659 struct dev_db_entry *flash_ddb_entry;
6660 dma_addr_t flash_ddb_entry_dma;
6661 uint32_t idx = 0;
6662 int max_ddbs;
6663 int ret = QLA_ERROR, status;
6664
6665 max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX :
6666 MAX_DEV_DB_ENTRIES;
6667
6668 flash_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL,
6669 &flash_ddb_entry_dma);
6670 if (flash_ddb_entry == NULL || fw_ddb_entry == NULL) {
6671 ql4_printk(KERN_ERR, ha, "Out of memory\n");
6672 goto exit_find_st_idx;
6673 }
6674
6675 status = qla4xxx_flashdb_by_index(ha, flash_ddb_entry,
6676 flash_ddb_entry_dma, fw_idx);
6677 if (status == QLA_SUCCESS) {
6678 status = qla4xxx_cmp_fw_stentry(fw_ddb_entry, flash_ddb_entry);
6679 if (status == QLA_SUCCESS) {
6680 *flash_index = fw_idx;
6681 ret = QLA_SUCCESS;
6682 goto exit_find_st_idx;
6683 }
6684 }
6685
6686 for (idx = 0; idx < max_ddbs; idx++) {
6687 status = qla4xxx_flashdb_by_index(ha, flash_ddb_entry,
6688 flash_ddb_entry_dma, idx);
6689 if (status == QLA_ERROR)
6690 continue;
6691
6692 status = qla4xxx_cmp_fw_stentry(fw_ddb_entry, flash_ddb_entry);
6693 if (status == QLA_SUCCESS) {
6694 *flash_index = idx;
6695 ret = QLA_SUCCESS;
6696 goto exit_find_st_idx;
6697 }
6698 }
6699
6700 if (idx == max_ddbs)
6701 ql4_printk(KERN_ERR, ha, "Failed to find ST [%d] in flash\n",
6702 fw_idx);
6703
6704exit_find_st_idx:
6705 if (flash_ddb_entry)
6706 dma_pool_free(ha->fw_ddb_dma_pool, flash_ddb_entry,
6707 flash_ddb_entry_dma);
6708
6709 return ret;
6710}
6711
Lalit Chandivade4a4bc2e2011-12-16 01:58:55 -0800[diff] [blame]6712static void qla4xxx_build_st_list(struct scsi_qla_host *ha,
6713 struct list_head *list_st)
Mike Christie13483732011-12-01 21:38:41 -0600[diff] [blame]6714{
Lalit Chandivade4a4bc2e2011-12-16 01:58:55 -0800[diff] [blame]6715 struct qla_ddb_index *st_ddb_idx;
Mike Christie13483732011-12-01 21:38:41 -0600[diff] [blame]6716 int max_ddbs;
Lalit Chandivade4a4bc2e2011-12-16 01:58:55 -0800[diff] [blame]6717 int fw_idx_size;
6718 struct dev_db_entry *fw_ddb_entry;
6719 dma_addr_t fw_ddb_dma;
Mike Christie13483732011-12-01 21:38:41 -0600[diff] [blame]6720 int ret;
6721 uint32_t idx = 0, next_idx = 0;
6722 uint32_t state = 0, conn_err = 0;
Manish Rangankarad8bd452013-09-17 07:30:02 -0400[diff] [blame]6723 uint32_t flash_index = -1;
Lalit Chandivade4a4bc2e2011-12-16 01:58:55 -0800[diff] [blame]6724 uint16_t conn_id = 0;
Mike Christie13483732011-12-01 21:38:41 -0600[diff] [blame]6725
6726 fw_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL,
6727 &fw_ddb_dma);
6728 if (fw_ddb_entry == NULL) {
6729 DEBUG2(ql4_printk(KERN_ERR, ha, "Out of memory\n"));
Lalit Chandivade4a4bc2e2011-12-16 01:58:55 -0800[diff] [blame]6730 goto exit_st_list;
Mike Christie13483732011-12-01 21:38:41 -0600[diff] [blame]6731 }
6732
Lalit Chandivade4a4bc2e2011-12-16 01:58:55 -0800[diff] [blame]6733 max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX :
6734 MAX_DEV_DB_ENTRIES;
Mike Christie13483732011-12-01 21:38:41 -0600[diff] [blame]6735 fw_idx_size = sizeof(struct qla_ddb_index);
6736
6737 for (idx = 0; idx < max_ddbs; idx = next_idx) {
Lalit Chandivade4a4bc2e2011-12-16 01:58:55 -0800[diff] [blame]6738 ret = qla4xxx_get_fwddb_entry(ha, idx, fw_ddb_entry, fw_ddb_dma,
6739 NULL, &next_idx, &state,
6740 &conn_err, NULL, &conn_id);
Mike Christie13483732011-12-01 21:38:41 -0600[diff] [blame]6741 if (ret == QLA_ERROR)
6742 break;
6743
Lalit Chandivade981c9822012-02-13 18:30:41 +0530[diff] [blame]6744 /* Ignore DDB if invalid state (unassigned) */
6745 if (state == DDB_DS_UNASSIGNED)
6746 goto continue_next_st;
6747
Mike Christie13483732011-12-01 21:38:41 -0600[diff] [blame]6748 /* Check if ST, add to the list_st */
6749 if (strlen((char *) fw_ddb_entry->iscsi_name) != 0)
6750 goto continue_next_st;
6751
6752 st_ddb_idx = vzalloc(fw_idx_size);
6753 if (!st_ddb_idx)
6754 break;
6755
Manish Rangankarad8bd452013-09-17 07:30:02 -0400[diff] [blame]6756 ret = qla4xxx_find_flash_st_idx(ha, fw_ddb_entry, idx,
6757 &flash_index);
6758 if (ret == QLA_ERROR) {
6759 ql4_printk(KERN_ERR, ha,
6760 "No flash entry for ST at idx [%d]\n", idx);
6761 st_ddb_idx->flash_ddb_idx = idx;
6762 } else {
6763 ql4_printk(KERN_INFO, ha,
6764 "ST at idx [%d] is stored at flash [%d]\n",
6765 idx, flash_index);
6766 st_ddb_idx->flash_ddb_idx = flash_index;
6767 }
6768
Mike Christie13483732011-12-01 21:38:41 -0600[diff] [blame]6769 st_ddb_idx->fw_ddb_idx = idx;
6770
Lalit Chandivade4a4bc2e2011-12-16 01:58:55 -0800[diff] [blame]6771 list_add_tail(&st_ddb_idx->list, list_st);
Mike Christie13483732011-12-01 21:38:41 -0600[diff] [blame]6772continue_next_st:
6773 if (next_idx == 0)
6774 break;
6775 }
6776
Lalit Chandivade4a4bc2e2011-12-16 01:58:55 -0800[diff] [blame]6777exit_st_list:
6778 if (fw_ddb_entry)
6779 dma_pool_free(ha->fw_ddb_dma_pool, fw_ddb_entry, fw_ddb_dma);
6780}
6781
6782/**
6783 * qla4xxx_remove_failed_ddb - Remove inactive or failed ddb from list
6784 * @ha: pointer to adapter structure
6785 * @list_ddb: List from which failed ddb to be removed
6786 *
6787 * Iterate over the list of DDBs and find and remove DDBs that are either in
6788 * no connection active state or failed state
6789 **/
6790static void qla4xxx_remove_failed_ddb(struct scsi_qla_host *ha,
6791 struct list_head *list_ddb)
6792{
6793 struct qla_ddb_index *ddb_idx, *ddb_idx_tmp;
6794 uint32_t next_idx = 0;
6795 uint32_t state = 0, conn_err = 0;
6796 int ret;
6797
6798 list_for_each_entry_safe(ddb_idx, ddb_idx_tmp, list_ddb, list) {
6799 ret = qla4xxx_get_fwddb_entry(ha, ddb_idx->fw_ddb_idx,
6800 NULL, 0, NULL, &next_idx, &state,
6801 &conn_err, NULL, NULL);
6802 if (ret == QLA_ERROR)
6803 continue;
6804
6805 if (state == DDB_DS_NO_CONNECTION_ACTIVE ||
6806 state == DDB_DS_SESSION_FAILED) {
6807 list_del_init(&ddb_idx->list);
6808 vfree(ddb_idx);
6809 }
6810 }
6811}
6812
Manish Rangankarad8bd452013-09-17 07:30:02 -0400[diff] [blame]6813static void qla4xxx_update_sess_disc_idx(struct scsi_qla_host *ha,
6814 struct ddb_entry *ddb_entry,
6815 struct dev_db_entry *fw_ddb_entry)
6816{
6817 struct iscsi_cls_session *cls_sess;
6818 struct iscsi_session *sess;
6819 uint32_t max_ddbs = 0;
6820 uint16_t ddb_link = -1;
6821
6822 max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX :
6823 MAX_DEV_DB_ENTRIES;
6824
6825 cls_sess = ddb_entry->sess;
6826 sess = cls_sess->dd_data;
6827
6828 ddb_link = le16_to_cpu(fw_ddb_entry->ddb_link);
6829 if (ddb_link < max_ddbs)
6830 sess->discovery_parent_idx = ddb_link;
6831 else
6832 sess->discovery_parent_idx = DDB_NO_LINK;
6833}
6834
Lalit Chandivade4a4bc2e2011-12-16 01:58:55 -0800[diff] [blame]6835static int qla4xxx_sess_conn_setup(struct scsi_qla_host *ha,
6836 struct dev_db_entry *fw_ddb_entry,
Manish Rangankar1dc8ed52013-01-20 23:51:03 -0500[diff] [blame]6837 int is_reset, uint16_t idx)
Lalit Chandivade4a4bc2e2011-12-16 01:58:55 -0800[diff] [blame]6838{
6839 struct iscsi_cls_session *cls_sess;
6840 struct iscsi_session *sess;
6841 struct iscsi_cls_conn *cls_conn;
6842 struct iscsi_endpoint *ep;
6843 uint16_t cmds_max = 32;
6844 uint16_t conn_id = 0;
6845 uint32_t initial_cmdsn = 0;
6846 int ret = QLA_SUCCESS;
6847
6848 struct ddb_entry *ddb_entry = NULL;
6849
6850 /* Create session object, with INVALID_ENTRY,
6851 * the targer_id would get set when we issue the login
6852 */
6853 cls_sess = iscsi_session_setup(&qla4xxx_iscsi_transport, ha->host,
6854 cmds_max, sizeof(struct ddb_entry),
6855 sizeof(struct ql4_task_data),
6856 initial_cmdsn, INVALID_ENTRY);
6857 if (!cls_sess) {
6858 ret = QLA_ERROR;
6859 goto exit_setup;
6860 }
6861
6862 /*
6863 * so calling module_put function to decrement the
6864 * reference count.
6865 **/
6866 module_put(qla4xxx_iscsi_transport.owner);
6867 sess = cls_sess->dd_data;
6868 ddb_entry = sess->dd_data;
6869 ddb_entry->sess = cls_sess;
6870
6871 cls_sess->recovery_tmo = ql4xsess_recovery_tmo;
6872 memcpy(&ddb_entry->fw_ddb_entry, fw_ddb_entry,
6873 sizeof(struct dev_db_entry));
6874
Manish Rangankar1dc8ed52013-01-20 23:51:03 -0500[diff] [blame]6875 qla4xxx_setup_flash_ddb_entry(ha, ddb_entry, idx);
Lalit Chandivade4a4bc2e2011-12-16 01:58:55 -0800[diff] [blame]6876
6877 cls_conn = iscsi_conn_setup(cls_sess, sizeof(struct qla_conn), conn_id);
6878
6879 if (!cls_conn) {
6880 ret = QLA_ERROR;
6881 goto exit_setup;
6882 }
6883
6884 ddb_entry->conn = cls_conn;
6885
6886 /* Setup ep, for displaying attributes in sysfs */
6887 ep = qla4xxx_get_ep_fwdb(ha, fw_ddb_entry);
6888 if (ep) {
6889 ep->conn = cls_conn;
6890 cls_conn->ep = ep;
6891 } else {
6892 DEBUG2(ql4_printk(KERN_ERR, ha, "Unable to get ep\n"));
6893 ret = QLA_ERROR;
6894 goto exit_setup;
6895 }
6896
6897 /* Update sess/conn params */
6898 qla4xxx_copy_fwddb_param(ha, fw_ddb_entry, cls_sess, cls_conn);
Manish Rangankarad8bd452013-09-17 07:30:02 -0400[diff] [blame]6899 qla4xxx_update_sess_disc_idx(ha, ddb_entry, fw_ddb_entry);
Lalit Chandivade4a4bc2e2011-12-16 01:58:55 -0800[diff] [blame]6900
6901 if (is_reset == RESET_ADAPTER) {
6902 iscsi_block_session(cls_sess);
6903 /* Use the relogin path to discover new devices
6904 * by short-circuting the logic of setting
6905 * timer to relogin - instead set the flags
6906 * to initiate login right away.
6907 */
6908 set_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags);
6909 set_bit(DF_RELOGIN, &ddb_entry->flags);
6910 }
6911
6912exit_setup:
6913 return ret;
6914}
6915
Manish Rangankarad8bd452013-09-17 07:30:02 -0400[diff] [blame]6916static void qla4xxx_update_fw_ddb_link(struct scsi_qla_host *ha,
6917 struct list_head *list_ddb,
6918 struct dev_db_entry *fw_ddb_entry)
6919{
6920 struct qla_ddb_index *ddb_idx, *ddb_idx_tmp;
6921 uint16_t ddb_link;
6922
6923 ddb_link = le16_to_cpu(fw_ddb_entry->ddb_link);
6924
6925 list_for_each_entry_safe(ddb_idx, ddb_idx_tmp, list_ddb, list) {
6926 if (ddb_idx->fw_ddb_idx == ddb_link) {
6927 DEBUG2(ql4_printk(KERN_INFO, ha,
6928 "Updating NT parent idx from [%d] to [%d]\n",
6929 ddb_link, ddb_idx->flash_ddb_idx));
6930 fw_ddb_entry->ddb_link =
6931 cpu_to_le16(ddb_idx->flash_ddb_idx);
6932 return;
6933 }
6934 }
6935}
6936
Lalit Chandivade4a4bc2e2011-12-16 01:58:55 -0800[diff] [blame]6937static void qla4xxx_build_nt_list(struct scsi_qla_host *ha,
Manish Rangankarad8bd452013-09-17 07:30:02 -0400[diff] [blame]6938 struct list_head *list_nt,
6939 struct list_head *list_st,
6940 int is_reset)
Lalit Chandivade4a4bc2e2011-12-16 01:58:55 -0800[diff] [blame]6941{
6942 struct dev_db_entry *fw_ddb_entry;
Manish Rangankarad8bd452013-09-17 07:30:02 -0400[diff] [blame]6943 struct ddb_entry *ddb_entry = NULL;
Lalit Chandivade4a4bc2e2011-12-16 01:58:55 -0800[diff] [blame]6944 dma_addr_t fw_ddb_dma;
6945 int max_ddbs;
6946 int fw_idx_size;
6947 int ret;
6948 uint32_t idx = 0, next_idx = 0;
6949 uint32_t state = 0, conn_err = 0;
Manish Rangankarad8bd452013-09-17 07:30:02 -0400[diff] [blame]6950 uint32_t ddb_idx = -1;
Lalit Chandivade4a4bc2e2011-12-16 01:58:55 -0800[diff] [blame]6951 uint16_t conn_id = 0;
Manish Rangankarad8bd452013-09-17 07:30:02 -0400[diff] [blame]6952 uint16_t ddb_link = -1;
Lalit Chandivade4a4bc2e2011-12-16 01:58:55 -0800[diff] [blame]6953 struct qla_ddb_index *nt_ddb_idx;
6954
6955 fw_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL,
6956 &fw_ddb_dma);
6957 if (fw_ddb_entry == NULL) {
6958 DEBUG2(ql4_printk(KERN_ERR, ha, "Out of memory\n"));
6959 goto exit_nt_list;
6960 }
6961 max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX :
6962 MAX_DEV_DB_ENTRIES;
6963 fw_idx_size = sizeof(struct qla_ddb_index);
6964
6965 for (idx = 0; idx < max_ddbs; idx = next_idx) {
6966 ret = qla4xxx_get_fwddb_entry(ha, idx, fw_ddb_entry, fw_ddb_dma,
6967 NULL, &next_idx, &state,
6968 &conn_err, NULL, &conn_id);
6969 if (ret == QLA_ERROR)
6970 break;
6971
6972 if (qla4xxx_verify_boot_idx(ha, idx) != QLA_SUCCESS)
6973 goto continue_next_nt;
6974
6975 /* Check if NT, then add to list it */
6976 if (strlen((char *) fw_ddb_entry->iscsi_name) == 0)
6977 goto continue_next_nt;
6978
Manish Rangankarad8bd452013-09-17 07:30:02 -0400[diff] [blame]6979 ddb_link = le16_to_cpu(fw_ddb_entry->ddb_link);
6980 if (ddb_link < max_ddbs)
6981 qla4xxx_update_fw_ddb_link(ha, list_st, fw_ddb_entry);
6982
Lalit Chandivade4a4bc2e2011-12-16 01:58:55 -0800[diff] [blame]6983 if (!(state == DDB_DS_NO_CONNECTION_ACTIVE ||
Manish Rangankarad8bd452013-09-17 07:30:02 -0400[diff] [blame]6984 state == DDB_DS_SESSION_FAILED) &&
6985 (is_reset == INIT_ADAPTER))
Lalit Chandivade4a4bc2e2011-12-16 01:58:55 -0800[diff] [blame]6986 goto continue_next_nt;
6987
6988 DEBUG2(ql4_printk(KERN_INFO, ha,
6989 "Adding DDB to session = 0x%x\n", idx));
Manish Rangankarad8bd452013-09-17 07:30:02 -0400[diff] [blame]6990
Lalit Chandivade4a4bc2e2011-12-16 01:58:55 -0800[diff] [blame]6991 if (is_reset == INIT_ADAPTER) {
6992 nt_ddb_idx = vmalloc(fw_idx_size);
6993 if (!nt_ddb_idx)
6994 break;
6995
6996 nt_ddb_idx->fw_ddb_idx = idx;
6997
Vikas Chaudhary1cb78d72012-06-14 06:35:48 -0400[diff] [blame]6998 /* Copy original isid as it may get updated in function
6999 * qla4xxx_update_isid(). We need original isid in
7000 * function qla4xxx_compare_tuple_ddb to find duplicate
7001 * target */
7002 memcpy(&nt_ddb_idx->flash_isid[0],
7003 &fw_ddb_entry->isid[0],
7004 sizeof(nt_ddb_idx->flash_isid));
Lalit Chandivade4a4bc2e2011-12-16 01:58:55 -0800[diff] [blame]7005
Vikas Chaudhary1cb78d72012-06-14 06:35:48 -0400[diff] [blame]7006 ret = qla4xxx_is_flash_ddb_exists(ha, list_nt,
7007 fw_ddb_entry);
7008 if (ret == QLA_SUCCESS) {
7009 /* free nt_ddb_idx and do not add to list_nt */
Lalit Chandivade4a4bc2e2011-12-16 01:58:55 -0800[diff] [blame]7010 vfree(nt_ddb_idx);
7011 goto continue_next_nt;
7012 }
Vikas Chaudhary1cb78d72012-06-14 06:35:48 -0400[diff] [blame]7013
7014 /* Copy updated isid */
7015 memcpy(&nt_ddb_idx->fw_ddb, fw_ddb_entry,
7016 sizeof(struct dev_db_entry));
7017
Lalit Chandivade4a4bc2e2011-12-16 01:58:55 -0800[diff] [blame]7018 list_add_tail(&nt_ddb_idx->list, list_nt);
7019 } else if (is_reset == RESET_ADAPTER) {
Manish Rangankarad8bd452013-09-17 07:30:02 -0400[diff] [blame]7020 ret = qla4xxx_is_session_exists(ha, fw_ddb_entry,
7021 &ddb_idx);
7022 if (ret == QLA_SUCCESS) {
7023 ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha,
7024 ddb_idx);
7025 if (ddb_entry != NULL)
7026 qla4xxx_update_sess_disc_idx(ha,
7027 ddb_entry,
7028 fw_ddb_entry);
Lalit Chandivade4a4bc2e2011-12-16 01:58:55 -0800[diff] [blame]7029 goto continue_next_nt;
Manish Rangankarad8bd452013-09-17 07:30:02 -0400[diff] [blame]7030 }
Lalit Chandivade4a4bc2e2011-12-16 01:58:55 -0800[diff] [blame]7031 }
7032
Manish Rangankar1dc8ed52013-01-20 23:51:03 -0500[diff] [blame]7033 ret = qla4xxx_sess_conn_setup(ha, fw_ddb_entry, is_reset, idx);
Lalit Chandivade4a4bc2e2011-12-16 01:58:55 -0800[diff] [blame]7034 if (ret == QLA_ERROR)
7035 goto exit_nt_list;
7036
7037continue_next_nt:
7038 if (next_idx == 0)
7039 break;
7040 }
7041
7042exit_nt_list:
7043 if (fw_ddb_entry)
7044 dma_pool_free(ha->fw_ddb_dma_pool, fw_ddb_entry, fw_ddb_dma);
7045}
7046
Adheer Chandravanshi1e9e2be2013-03-22 07:41:31 -0400[diff] [blame]7047static void qla4xxx_build_new_nt_list(struct scsi_qla_host *ha,
Manish Rangankarad8bd452013-09-17 07:30:02 -0400[diff] [blame]7048 struct list_head *list_nt,
7049 uint16_t target_id)
Adheer Chandravanshi1e9e2be2013-03-22 07:41:31 -0400[diff] [blame]7050{
7051 struct dev_db_entry *fw_ddb_entry;
7052 dma_addr_t fw_ddb_dma;
7053 int max_ddbs;
7054 int fw_idx_size;
7055 int ret;
7056 uint32_t idx = 0, next_idx = 0;
7057 uint32_t state = 0, conn_err = 0;
7058 uint16_t conn_id = 0;
7059 struct qla_ddb_index *nt_ddb_idx;
7060
7061 fw_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL,
7062 &fw_ddb_dma);
7063 if (fw_ddb_entry == NULL) {
7064 DEBUG2(ql4_printk(KERN_ERR, ha, "Out of memory\n"));
7065 goto exit_new_nt_list;
7066 }
7067 max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX :
7068 MAX_DEV_DB_ENTRIES;
7069 fw_idx_size = sizeof(struct qla_ddb_index);
7070
7071 for (idx = 0; idx < max_ddbs; idx = next_idx) {
7072 ret = qla4xxx_get_fwddb_entry(ha, idx, fw_ddb_entry, fw_ddb_dma,
7073 NULL, &next_idx, &state,
7074 &conn_err, NULL, &conn_id);
7075 if (ret == QLA_ERROR)
7076 break;
7077
7078 /* Check if NT, then add it to list */
7079 if (strlen((char *)fw_ddb_entry->iscsi_name) == 0)
7080 goto continue_next_new_nt;
7081
7082 if (!(state == DDB_DS_NO_CONNECTION_ACTIVE))
7083 goto continue_next_new_nt;
7084
7085 DEBUG2(ql4_printk(KERN_INFO, ha,
7086 "Adding DDB to session = 0x%x\n", idx));
7087
7088 nt_ddb_idx = vmalloc(fw_idx_size);
7089 if (!nt_ddb_idx)
7090 break;
7091
7092 nt_ddb_idx->fw_ddb_idx = idx;
7093
Manish Rangankarad8bd452013-09-17 07:30:02 -0400[diff] [blame]7094 ret = qla4xxx_is_session_exists(ha, fw_ddb_entry, NULL);
Adheer Chandravanshi1e9e2be2013-03-22 07:41:31 -0400[diff] [blame]7095 if (ret == QLA_SUCCESS) {
7096 /* free nt_ddb_idx and do not add to list_nt */
7097 vfree(nt_ddb_idx);
7098 goto continue_next_new_nt;
7099 }
7100
Manish Rangankarad8bd452013-09-17 07:30:02 -0400[diff] [blame]7101 if (target_id < max_ddbs)
7102 fw_ddb_entry->ddb_link = cpu_to_le16(target_id);
7103
Adheer Chandravanshi1e9e2be2013-03-22 07:41:31 -0400[diff] [blame]7104 list_add_tail(&nt_ddb_idx->list, list_nt);
7105
7106 ret = qla4xxx_sess_conn_setup(ha, fw_ddb_entry, RESET_ADAPTER,
7107 idx);
7108 if (ret == QLA_ERROR)
7109 goto exit_new_nt_list;
7110
7111continue_next_new_nt:
7112 if (next_idx == 0)
7113 break;
7114 }
7115
7116exit_new_nt_list:
7117 if (fw_ddb_entry)
7118 dma_pool_free(ha->fw_ddb_dma_pool, fw_ddb_entry, fw_ddb_dma);
7119}
7120
7121/**
7122 * qla4xxx_sysfs_ddb_is_non_persistent - check for non-persistence of ddb entry
7123 * @dev: dev associated with the sysfs entry
7124 * @data: pointer to flashnode session object
7125 *
7126 * Returns:
7127 * 1: if flashnode entry is non-persistent
7128 * 0: if flashnode entry is persistent
7129 **/
7130static int qla4xxx_sysfs_ddb_is_non_persistent(struct device *dev, void *data)
7131{
7132 struct iscsi_bus_flash_session *fnode_sess;
7133
7134 if (!iscsi_flashnode_bus_match(dev, NULL))
7135 return 0;
7136
7137 fnode_sess = iscsi_dev_to_flash_session(dev);
7138
7139 return (fnode_sess->flash_state == DEV_DB_NON_PERSISTENT);
7140}
7141
7142/**
7143 * qla4xxx_sysfs_ddb_tgt_create - Create sysfs entry for target
7144 * @ha: pointer to host
7145 * @fw_ddb_entry: flash ddb data
7146 * @idx: target index
7147 * @user: if set then this call is made from userland else from kernel
7148 *
7149 * Returns:
7150 * On sucess: QLA_SUCCESS
7151 * On failure: QLA_ERROR
7152 *
7153 * This create separate sysfs entries for session and connection attributes of
7154 * the given fw ddb entry.
7155 * If this is invoked as a result of a userspace call then the entry is marked
7156 * as nonpersistent using flash_state field.
7157 **/
Vikas Chaudhary28e02f12013-04-17 05:15:27 -0400[diff] [blame]7158static int qla4xxx_sysfs_ddb_tgt_create(struct scsi_qla_host *ha,
7159 struct dev_db_entry *fw_ddb_entry,
7160 uint16_t *idx, int user)
Adheer Chandravanshi1e9e2be2013-03-22 07:41:31 -0400[diff] [blame]7161{
7162 struct iscsi_bus_flash_session *fnode_sess = NULL;
7163 struct iscsi_bus_flash_conn *fnode_conn = NULL;
7164 int rc = QLA_ERROR;
7165
7166 fnode_sess = iscsi_create_flashnode_sess(ha->host, *idx,
7167 &qla4xxx_iscsi_transport, 0);
7168 if (!fnode_sess) {
7169 ql4_printk(KERN_ERR, ha,
7170 "%s: Unable to create session sysfs entry for flashnode %d of host%lu\n",
7171 __func__, *idx, ha->host_no);
7172 goto exit_tgt_create;
7173 }
7174
7175 fnode_conn = iscsi_create_flashnode_conn(ha->host, fnode_sess,
7176 &qla4xxx_iscsi_transport, 0);
7177 if (!fnode_conn) {
7178 ql4_printk(KERN_ERR, ha,
7179 "%s: Unable to create conn sysfs entry for flashnode %d of host%lu\n",
7180 __func__, *idx, ha->host_no);
7181 goto free_sess;
7182 }
7183
7184 if (user) {
7185 fnode_sess->flash_state = DEV_DB_NON_PERSISTENT;
7186 } else {
7187 fnode_sess->flash_state = DEV_DB_PERSISTENT;
7188
7189 if (*idx == ha->pri_ddb_idx || *idx == ha->sec_ddb_idx)
7190 fnode_sess->is_boot_target = 1;
7191 else
7192 fnode_sess->is_boot_target = 0;
7193 }
7194
7195 rc = qla4xxx_copy_from_fwddb_param(fnode_sess, fnode_conn,
7196 fw_ddb_entry);
7197
7198 ql4_printk(KERN_INFO, ha, "%s: sysfs entry %s created\n",
7199 __func__, fnode_sess->dev.kobj.name);
7200
7201 ql4_printk(KERN_INFO, ha, "%s: sysfs entry %s created\n",
7202 __func__, fnode_conn->dev.kobj.name);
7203
7204 return QLA_SUCCESS;
7205
7206free_sess:
7207 iscsi_destroy_flashnode_sess(fnode_sess);
7208
7209exit_tgt_create:
7210 return QLA_ERROR;
7211}
7212
7213/**
7214 * qla4xxx_sysfs_ddb_add - Add new ddb entry in flash
7215 * @shost: pointer to host
7216 * @buf: type of ddb entry (ipv4/ipv6)
7217 * @len: length of buf
7218 *
7219 * This creates new ddb entry in the flash by finding first free index and
7220 * storing default ddb there. And then create sysfs entry for the new ddb entry.
7221 **/
7222static int qla4xxx_sysfs_ddb_add(struct Scsi_Host *shost, const char *buf,
7223 int len)
7224{
7225 struct scsi_qla_host *ha = to_qla_host(shost);
7226 struct dev_db_entry *fw_ddb_entry = NULL;
7227 dma_addr_t fw_ddb_entry_dma;
7228 struct device *dev;
7229 uint16_t idx = 0;
7230 uint16_t max_ddbs = 0;
7231 uint32_t options = 0;
7232 uint32_t rval = QLA_ERROR;
7233
Adheer Chandravanshic962c182013-03-25 08:08:32 -0400[diff] [blame]7234 if (strncasecmp(PORTAL_TYPE_IPV4, buf, 4) &&
7235 strncasecmp(PORTAL_TYPE_IPV6, buf, 4)) {
Adheer Chandravanshi1e9e2be2013-03-22 07:41:31 -0400[diff] [blame]7236 DEBUG2(ql4_printk(KERN_ERR, ha, "%s: Invalid portal type\n",
7237 __func__));
7238 goto exit_ddb_add;
7239 }
7240
Adheer Chandravanshia957a7d2013-04-05 07:06:08 -0400[diff] [blame]7241 max_ddbs = is_qla40XX(ha) ? MAX_PRST_DEV_DB_ENTRIES :
Adheer Chandravanshi1e9e2be2013-03-22 07:41:31 -0400[diff] [blame]7242 MAX_DEV_DB_ENTRIES;
7243
7244 fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
7245 &fw_ddb_entry_dma, GFP_KERNEL);
7246 if (!fw_ddb_entry) {
7247 DEBUG2(ql4_printk(KERN_ERR, ha,
7248 "%s: Unable to allocate dma buffer\n",
7249 __func__));
7250 goto exit_ddb_add;
7251 }
7252
7253 dev = iscsi_find_flashnode_sess(ha->host, NULL,
7254 qla4xxx_sysfs_ddb_is_non_persistent);
7255 if (dev) {
7256 ql4_printk(KERN_ERR, ha,
7257 "%s: A non-persistent entry %s found\n",
7258 __func__, dev->kobj.name);
Mike Christie8526cb12013-05-06 12:06:56 -0500[diff] [blame]7259 put_device(dev);
Adheer Chandravanshi1e9e2be2013-03-22 07:41:31 -0400[diff] [blame]7260 goto exit_ddb_add;
7261 }
7262
Adheer Chandravanshi99937572013-07-08 08:33:09 -0400[diff] [blame]7263 /* Index 0 and 1 are reserved for boot target entries */
7264 for (idx = 2; idx < max_ddbs; idx++) {
Adheer Chandravanshi1e9e2be2013-03-22 07:41:31 -0400[diff] [blame]7265 if (qla4xxx_flashdb_by_index(ha, fw_ddb_entry,
7266 fw_ddb_entry_dma, idx))
7267 break;
7268 }
7269
7270 if (idx == max_ddbs)
7271 goto exit_ddb_add;
7272
7273 if (!strncasecmp("ipv6", buf, 4))
7274 options |= IPV6_DEFAULT_DDB_ENTRY;
7275
7276 rval = qla4xxx_get_default_ddb(ha, options, fw_ddb_entry_dma);
7277 if (rval == QLA_ERROR)
7278 goto exit_ddb_add;
7279
7280 rval = qla4xxx_sysfs_ddb_tgt_create(ha, fw_ddb_entry, &idx, 1);
7281
7282exit_ddb_add:
7283 if (fw_ddb_entry)
7284 dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
7285 fw_ddb_entry, fw_ddb_entry_dma);
7286 if (rval == QLA_SUCCESS)
7287 return idx;
7288 else
7289 return -EIO;
7290}
7291
7292/**
7293 * qla4xxx_sysfs_ddb_apply - write the target ddb contents to Flash
7294 * @fnode_sess: pointer to session attrs of flash ddb entry
7295 * @fnode_conn: pointer to connection attrs of flash ddb entry
7296 *
7297 * This writes the contents of target ddb buffer to Flash with a valid cookie
7298 * value in order to make the ddb entry persistent.
7299 **/
7300static int qla4xxx_sysfs_ddb_apply(struct iscsi_bus_flash_session *fnode_sess,
7301 struct iscsi_bus_flash_conn *fnode_conn)
7302{
7303 struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess);
7304 struct scsi_qla_host *ha = to_qla_host(shost);
7305 uint32_t dev_db_start_offset = FLASH_OFFSET_DB_INFO;
7306 struct dev_db_entry *fw_ddb_entry = NULL;
7307 dma_addr_t fw_ddb_entry_dma;
7308 uint32_t options = 0;
7309 int rval = 0;
7310
7311 fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
7312 &fw_ddb_entry_dma, GFP_KERNEL);
7313 if (!fw_ddb_entry) {
7314 DEBUG2(ql4_printk(KERN_ERR, ha,
7315 "%s: Unable to allocate dma buffer\n",
7316 __func__));
7317 rval = -ENOMEM;
7318 goto exit_ddb_apply;
7319 }
7320
Adheer Chandravanshic962c182013-03-25 08:08:32 -0400[diff] [blame]7321 if (!strncasecmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4))
Adheer Chandravanshi1e9e2be2013-03-22 07:41:31 -0400[diff] [blame]7322 options |= IPV6_DEFAULT_DDB_ENTRY;
7323
7324 rval = qla4xxx_get_default_ddb(ha, options, fw_ddb_entry_dma);
7325 if (rval == QLA_ERROR)
7326 goto exit_ddb_apply;
7327
7328 dev_db_start_offset += (fnode_sess->target_id *
7329 sizeof(*fw_ddb_entry));
7330
7331 qla4xxx_copy_to_fwddb_param(fnode_sess, fnode_conn, fw_ddb_entry);
7332 fw_ddb_entry->cookie = DDB_VALID_COOKIE;
7333
7334 rval = qla4xxx_set_flash(ha, fw_ddb_entry_dma, dev_db_start_offset,
7335 sizeof(*fw_ddb_entry), FLASH_OPT_RMW_COMMIT);
7336
7337 if (rval == QLA_SUCCESS) {
7338 fnode_sess->flash_state = DEV_DB_PERSISTENT;
7339 ql4_printk(KERN_INFO, ha,
7340 "%s: flash node %u of host %lu written to flash\n",
7341 __func__, fnode_sess->target_id, ha->host_no);
7342 } else {
7343 rval = -EIO;
7344 ql4_printk(KERN_ERR, ha,
7345 "%s: Error while writing flash node %u of host %lu to flash\n",
7346 __func__, fnode_sess->target_id, ha->host_no);
7347 }
7348
7349exit_ddb_apply:
7350 if (fw_ddb_entry)
7351 dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
7352 fw_ddb_entry, fw_ddb_entry_dma);
7353 return rval;
7354}
7355
7356static ssize_t qla4xxx_sysfs_ddb_conn_open(struct scsi_qla_host *ha,
7357 struct dev_db_entry *fw_ddb_entry,
7358 uint16_t idx)
7359{
7360 struct dev_db_entry *ddb_entry = NULL;
7361 dma_addr_t ddb_entry_dma;
7362 unsigned long wtime;
7363 uint32_t mbx_sts = 0;
7364 uint32_t state = 0, conn_err = 0;
7365 uint16_t tmo = 0;
7366 int ret = 0;
7367
7368 ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*ddb_entry),
7369 &ddb_entry_dma, GFP_KERNEL);
7370 if (!ddb_entry) {
7371 DEBUG2(ql4_printk(KERN_ERR, ha,
7372 "%s: Unable to allocate dma buffer\n",
7373 __func__));
7374 return QLA_ERROR;
7375 }
7376
7377 memcpy(ddb_entry, fw_ddb_entry, sizeof(*ddb_entry));
7378
7379 ret = qla4xxx_set_ddb_entry(ha, idx, ddb_entry_dma, &mbx_sts);
7380 if (ret != QLA_SUCCESS) {
7381 DEBUG2(ql4_printk(KERN_ERR, ha,
7382 "%s: Unable to set ddb entry for index %d\n",
7383 __func__, idx));
7384 goto exit_ddb_conn_open;
7385 }
7386
7387 qla4xxx_conn_open(ha, idx);
7388
7389 /* To ensure that sendtargets is done, wait for at least 12 secs */
7390 tmo = ((ha->def_timeout > LOGIN_TOV) &&
7391 (ha->def_timeout < LOGIN_TOV * 10) ?
7392 ha->def_timeout : LOGIN_TOV);
7393
7394 DEBUG2(ql4_printk(KERN_INFO, ha,
7395 "Default time to wait for login to ddb %d\n", tmo));
7396
7397 wtime = jiffies + (HZ * tmo);
7398 do {
7399 ret = qla4xxx_get_fwddb_entry(ha, idx, NULL, 0, NULL,
7400 NULL, &state, &conn_err, NULL,
7401 NULL);
7402 if (ret == QLA_ERROR)
7403 continue;
7404
7405 if (state == DDB_DS_NO_CONNECTION_ACTIVE ||
7406 state == DDB_DS_SESSION_FAILED)
7407 break;
7408
7409 schedule_timeout_uninterruptible(HZ / 10);
7410 } while (time_after(wtime, jiffies));
7411
7412exit_ddb_conn_open:
7413 if (ddb_entry)
7414 dma_free_coherent(&ha->pdev->dev, sizeof(*ddb_entry),
7415 ddb_entry, ddb_entry_dma);
7416 return ret;
7417}
7418
7419static int qla4xxx_ddb_login_st(struct scsi_qla_host *ha,
Manish Rangankarad8bd452013-09-17 07:30:02 -0400[diff] [blame]7420 struct dev_db_entry *fw_ddb_entry,
7421 uint16_t target_id)
Adheer Chandravanshi1e9e2be2013-03-22 07:41:31 -0400[diff] [blame]7422{
7423 struct qla_ddb_index *ddb_idx, *ddb_idx_tmp;
7424 struct list_head list_nt;
7425 uint16_t ddb_index;
7426 int ret = 0;
7427
7428 if (test_bit(AF_ST_DISCOVERY_IN_PROGRESS, &ha->flags)) {
7429 ql4_printk(KERN_WARNING, ha,
7430 "%s: A discovery already in progress!\n", __func__);
7431 return QLA_ERROR;
7432 }
7433
7434 INIT_LIST_HEAD(&list_nt);
7435
7436 set_bit(AF_ST_DISCOVERY_IN_PROGRESS, &ha->flags);
7437
7438 ret = qla4xxx_get_ddb_index(ha, &ddb_index);
7439 if (ret == QLA_ERROR)
7440 goto exit_login_st_clr_bit;
7441
7442 ret = qla4xxx_sysfs_ddb_conn_open(ha, fw_ddb_entry, ddb_index);
7443 if (ret == QLA_ERROR)
7444 goto exit_login_st;
7445
Manish Rangankarad8bd452013-09-17 07:30:02 -0400[diff] [blame]7446 qla4xxx_build_new_nt_list(ha, &list_nt, target_id);
Adheer Chandravanshi1e9e2be2013-03-22 07:41:31 -0400[diff] [blame]7447
7448 list_for_each_entry_safe(ddb_idx, ddb_idx_tmp, &list_nt, list) {
7449 list_del_init(&ddb_idx->list);
7450 qla4xxx_clear_ddb_entry(ha, ddb_idx->fw_ddb_idx);
7451 vfree(ddb_idx);
7452 }
7453
7454exit_login_st:
7455 if (qla4xxx_clear_ddb_entry(ha, ddb_index) == QLA_ERROR) {
7456 ql4_printk(KERN_ERR, ha,
7457 "Unable to clear DDB index = 0x%x\n", ddb_index);
7458 }
7459
7460 clear_bit(ddb_index, ha->ddb_idx_map);
7461
7462exit_login_st_clr_bit:
7463 clear_bit(AF_ST_DISCOVERY_IN_PROGRESS, &ha->flags);
7464 return ret;
7465}
7466
7467static int qla4xxx_ddb_login_nt(struct scsi_qla_host *ha,
7468 struct dev_db_entry *fw_ddb_entry,
7469 uint16_t idx)
7470{
7471 int ret = QLA_ERROR;
7472
Manish Rangankarad8bd452013-09-17 07:30:02 -0400[diff] [blame]7473 ret = qla4xxx_is_session_exists(ha, fw_ddb_entry, NULL);
Adheer Chandravanshi1e9e2be2013-03-22 07:41:31 -0400[diff] [blame]7474 if (ret != QLA_SUCCESS)
7475 ret = qla4xxx_sess_conn_setup(ha, fw_ddb_entry, RESET_ADAPTER,
7476 idx);
7477 else
7478 ret = -EPERM;
7479
7480 return ret;
7481}
7482
7483/**
7484 * qla4xxx_sysfs_ddb_login - Login to the specified target
7485 * @fnode_sess: pointer to session attrs of flash ddb entry
7486 * @fnode_conn: pointer to connection attrs of flash ddb entry
7487 *
7488 * This logs in to the specified target
7489 **/
7490static int qla4xxx_sysfs_ddb_login(struct iscsi_bus_flash_session *fnode_sess,
7491 struct iscsi_bus_flash_conn *fnode_conn)
7492{
7493 struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess);
7494 struct scsi_qla_host *ha = to_qla_host(shost);
7495 struct dev_db_entry *fw_ddb_entry = NULL;
7496 dma_addr_t fw_ddb_entry_dma;
7497 uint32_t options = 0;
7498 int ret = 0;
7499
7500 if (fnode_sess->flash_state == DEV_DB_NON_PERSISTENT) {
7501 ql4_printk(KERN_ERR, ha,
7502 "%s: Target info is not persistent\n", __func__);
7503 ret = -EIO;
7504 goto exit_ddb_login;
7505 }
7506
7507 fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
7508 &fw_ddb_entry_dma, GFP_KERNEL);
7509 if (!fw_ddb_entry) {
7510 DEBUG2(ql4_printk(KERN_ERR, ha,
7511 "%s: Unable to allocate dma buffer\n",
7512 __func__));
7513 ret = -ENOMEM;
7514 goto exit_ddb_login;
7515 }
7516
Adheer Chandravanshic962c182013-03-25 08:08:32 -0400[diff] [blame]7517 if (!strncasecmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4))
Adheer Chandravanshi1e9e2be2013-03-22 07:41:31 -0400[diff] [blame]7518 options |= IPV6_DEFAULT_DDB_ENTRY;
7519
7520 ret = qla4xxx_get_default_ddb(ha, options, fw_ddb_entry_dma);
7521 if (ret == QLA_ERROR)
7522 goto exit_ddb_login;
7523
7524 qla4xxx_copy_to_fwddb_param(fnode_sess, fnode_conn, fw_ddb_entry);
7525 fw_ddb_entry->cookie = DDB_VALID_COOKIE;
7526
7527 if (strlen((char *)fw_ddb_entry->iscsi_name) == 0)
Manish Rangankarad8bd452013-09-17 07:30:02 -0400[diff] [blame]7528 ret = qla4xxx_ddb_login_st(ha, fw_ddb_entry,
7529 fnode_sess->target_id);
Adheer Chandravanshi1e9e2be2013-03-22 07:41:31 -0400[diff] [blame]7530 else
7531 ret = qla4xxx_ddb_login_nt(ha, fw_ddb_entry,
7532 fnode_sess->target_id);
7533
7534 if (ret > 0)
7535 ret = -EIO;
7536
7537exit_ddb_login:
7538 if (fw_ddb_entry)
7539 dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
7540 fw_ddb_entry, fw_ddb_entry_dma);
7541 return ret;
7542}
7543
7544/**
7545 * qla4xxx_sysfs_ddb_logout_sid - Logout session for the specified target
7546 * @cls_sess: pointer to session to be logged out
7547 *
7548 * This performs session log out from the specified target
7549 **/
7550static int qla4xxx_sysfs_ddb_logout_sid(struct iscsi_cls_session *cls_sess)
7551{
7552 struct iscsi_session *sess;
7553 struct ddb_entry *ddb_entry = NULL;
7554 struct scsi_qla_host *ha;
7555 struct dev_db_entry *fw_ddb_entry = NULL;
7556 dma_addr_t fw_ddb_entry_dma;
7557 unsigned long flags;
7558 unsigned long wtime;
7559 uint32_t ddb_state;
7560 int options;
7561 int ret = 0;
7562
7563 sess = cls_sess->dd_data;
7564 ddb_entry = sess->dd_data;
7565 ha = ddb_entry->ha;
7566
7567 if (ddb_entry->ddb_type != FLASH_DDB) {
7568 ql4_printk(KERN_ERR, ha, "%s: Not a flash node session\n",
7569 __func__);
7570 ret = -ENXIO;
7571 goto exit_ddb_logout;
7572 }
7573
Adheer Chandravanshi37719c22013-04-05 07:06:07 -0400[diff] [blame]7574 if (test_bit(DF_BOOT_TGT, &ddb_entry->flags)) {
7575 ql4_printk(KERN_ERR, ha,
7576 "%s: Logout from boot target entry is not permitted.\n",
7577 __func__);
7578 ret = -EPERM;
7579 goto exit_ddb_logout;
7580 }
7581
Adheer Chandravanshi1e9e2be2013-03-22 07:41:31 -0400[diff] [blame]7582 fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
7583 &fw_ddb_entry_dma, GFP_KERNEL);
7584 if (!fw_ddb_entry) {
7585 ql4_printk(KERN_ERR, ha,
7586 "%s: Unable to allocate dma buffer\n", __func__);
7587 ret = -ENOMEM;
7588 goto exit_ddb_logout;
7589 }
7590
Adheer Chandravanshi99c6a332013-07-08 08:33:05 -0400[diff] [blame]7591 if (test_and_set_bit(DF_DISABLE_RELOGIN, &ddb_entry->flags))
7592 goto ddb_logout_init;
7593
7594 ret = qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index,
7595 fw_ddb_entry, fw_ddb_entry_dma,
7596 NULL, NULL, &ddb_state, NULL,
7597 NULL, NULL);
7598 if (ret == QLA_ERROR)
7599 goto ddb_logout_init;
7600
7601 if (ddb_state == DDB_DS_SESSION_ACTIVE)
7602 goto ddb_logout_init;
7603
7604 /* wait until next relogin is triggered using DF_RELOGIN and
7605 * clear DF_RELOGIN to avoid invocation of further relogin
7606 */
7607 wtime = jiffies + (HZ * RELOGIN_TOV);
7608 do {
7609 if (test_and_clear_bit(DF_RELOGIN, &ddb_entry->flags))
7610 goto ddb_logout_init;
7611
7612 schedule_timeout_uninterruptible(HZ);
7613 } while ((time_after(wtime, jiffies)));
7614
7615ddb_logout_init:
7616 atomic_set(&ddb_entry->retry_relogin_timer, INVALID_ENTRY);
7617 atomic_set(&ddb_entry->relogin_timer, 0);
7618
7619 options = LOGOUT_OPTION_CLOSE_SESSION;
7620 qla4xxx_session_logout_ddb(ha, ddb_entry, options);
7621
7622 memset(fw_ddb_entry, 0, sizeof(*fw_ddb_entry));
Adheer Chandravanshi1e9e2be2013-03-22 07:41:31 -0400[diff] [blame]7623 wtime = jiffies + (HZ * LOGOUT_TOV);
7624 do {
7625 ret = qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index,
7626 fw_ddb_entry, fw_ddb_entry_dma,
7627 NULL, NULL, &ddb_state, NULL,
7628 NULL, NULL);
7629 if (ret == QLA_ERROR)
7630 goto ddb_logout_clr_sess;
7631
7632 if ((ddb_state == DDB_DS_NO_CONNECTION_ACTIVE) ||
7633 (ddb_state == DDB_DS_SESSION_FAILED))
7634 goto ddb_logout_clr_sess;
7635
7636 schedule_timeout_uninterruptible(HZ);
7637 } while ((time_after(wtime, jiffies)));
7638
7639ddb_logout_clr_sess:
7640 qla4xxx_clear_ddb_entry(ha, ddb_entry->fw_ddb_index);
7641 /*
7642 * we have decremented the reference count of the driver
7643 * when we setup the session to have the driver unload
7644 * to be seamless without actually destroying the
7645 * session
7646 **/
7647 try_module_get(qla4xxx_iscsi_transport.owner);
7648 iscsi_destroy_endpoint(ddb_entry->conn->ep);
7649
7650 spin_lock_irqsave(&ha->hardware_lock, flags);
7651 qla4xxx_free_ddb(ha, ddb_entry);
Adheer Chandravanshi99c6a332013-07-08 08:33:05 -0400[diff] [blame]7652 clear_bit(ddb_entry->fw_ddb_index, ha->ddb_idx_map);
Adheer Chandravanshi1e9e2be2013-03-22 07:41:31 -0400[diff] [blame]7653 spin_unlock_irqrestore(&ha->hardware_lock, flags);
7654
7655 iscsi_session_teardown(ddb_entry->sess);
7656
Adheer Chandravanshi99c6a332013-07-08 08:33:05 -0400[diff] [blame]7657 clear_bit(DF_DISABLE_RELOGIN, &ddb_entry->flags);
Adheer Chandravanshi1e9e2be2013-03-22 07:41:31 -0400[diff] [blame]7658 ret = QLA_SUCCESS;
7659
7660exit_ddb_logout:
7661 if (fw_ddb_entry)
7662 dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
7663 fw_ddb_entry, fw_ddb_entry_dma);
7664 return ret;
7665}
7666
7667/**
7668 * qla4xxx_sysfs_ddb_logout - Logout from the specified target
7669 * @fnode_sess: pointer to session attrs of flash ddb entry
7670 * @fnode_conn: pointer to connection attrs of flash ddb entry
7671 *
7672 * This performs log out from the specified target
7673 **/
7674static int qla4xxx_sysfs_ddb_logout(struct iscsi_bus_flash_session *fnode_sess,
7675 struct iscsi_bus_flash_conn *fnode_conn)
7676{
7677 struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess);
7678 struct scsi_qla_host *ha = to_qla_host(shost);
7679 struct ql4_tuple_ddb *flash_tddb = NULL;
7680 struct ql4_tuple_ddb *tmp_tddb = NULL;
7681 struct dev_db_entry *fw_ddb_entry = NULL;
7682 struct ddb_entry *ddb_entry = NULL;
7683 dma_addr_t fw_ddb_dma;
7684 uint32_t next_idx = 0;
7685 uint32_t state = 0, conn_err = 0;
7686 uint16_t conn_id = 0;
7687 int idx, index;
7688 int status, ret = 0;
7689
7690 fw_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL,
7691 &fw_ddb_dma);
7692 if (fw_ddb_entry == NULL) {
7693 ql4_printk(KERN_ERR, ha, "%s:Out of memory\n", __func__);
7694 ret = -ENOMEM;
7695 goto exit_ddb_logout;
7696 }
7697
7698 flash_tddb = vzalloc(sizeof(*flash_tddb));
7699 if (!flash_tddb) {
7700 ql4_printk(KERN_WARNING, ha,
7701 "%s:Memory Allocation failed.\n", __func__);
7702 ret = -ENOMEM;
7703 goto exit_ddb_logout;
7704 }
7705
7706 tmp_tddb = vzalloc(sizeof(*tmp_tddb));
7707 if (!tmp_tddb) {
7708 ql4_printk(KERN_WARNING, ha,
7709 "%s:Memory Allocation failed.\n", __func__);
7710 ret = -ENOMEM;
7711 goto exit_ddb_logout;
7712 }
7713
7714 if (!fnode_sess->targetname) {
7715 ql4_printk(KERN_ERR, ha,
7716 "%s:Cannot logout from SendTarget entry\n",
7717 __func__);
7718 ret = -EPERM;
7719 goto exit_ddb_logout;
7720 }
7721
7722 if (fnode_sess->is_boot_target) {
7723 ql4_printk(KERN_ERR, ha,
7724 "%s: Logout from boot target entry is not permitted.\n",
7725 __func__);
7726 ret = -EPERM;
7727 goto exit_ddb_logout;
7728 }
7729
7730 strncpy(flash_tddb->iscsi_name, fnode_sess->targetname,
7731 ISCSI_NAME_SIZE);
7732
Adheer Chandravanshic962c182013-03-25 08:08:32 -0400[diff] [blame]7733 if (!strncmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4))
Adheer Chandravanshi1e9e2be2013-03-22 07:41:31 -0400[diff] [blame]7734 sprintf(flash_tddb->ip_addr, "%pI6", fnode_conn->ipaddress);
7735 else
7736 sprintf(flash_tddb->ip_addr, "%pI4", fnode_conn->ipaddress);
7737
7738 flash_tddb->tpgt = fnode_sess->tpgt;
7739 flash_tddb->port = fnode_conn->port;
7740
7741 COPY_ISID(flash_tddb->isid, fnode_sess->isid);
7742
7743 for (idx = 0; idx < MAX_DDB_ENTRIES; idx++) {
7744 ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx);
7745 if (ddb_entry == NULL)
7746 continue;
7747
7748 if (ddb_entry->ddb_type != FLASH_DDB)
7749 continue;
7750
7751 index = ddb_entry->sess->target_id;
7752 status = qla4xxx_get_fwddb_entry(ha, index, fw_ddb_entry,
7753 fw_ddb_dma, NULL, &next_idx,
7754 &state, &conn_err, NULL,
7755 &conn_id);
7756 if (status == QLA_ERROR) {
7757 ret = -ENOMEM;
7758 break;
7759 }
7760
7761 qla4xxx_convert_param_ddb(fw_ddb_entry, tmp_tddb, NULL);
7762
7763 status = qla4xxx_compare_tuple_ddb(ha, flash_tddb, tmp_tddb,
7764 true);
7765 if (status == QLA_SUCCESS) {
7766 ret = qla4xxx_sysfs_ddb_logout_sid(ddb_entry->sess);
7767 break;
7768 }
7769 }
7770
7771 if (idx == MAX_DDB_ENTRIES)
7772 ret = -ESRCH;
7773
7774exit_ddb_logout:
7775 if (flash_tddb)
7776 vfree(flash_tddb);
7777 if (tmp_tddb)
7778 vfree(tmp_tddb);
7779 if (fw_ddb_entry)
7780 dma_pool_free(ha->fw_ddb_dma_pool, fw_ddb_entry, fw_ddb_dma);
7781
7782 return ret;
7783}
7784
7785static int
7786qla4xxx_sysfs_ddb_get_param(struct iscsi_bus_flash_session *fnode_sess,
7787 int param, char *buf)
7788{
7789 struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess);
7790 struct scsi_qla_host *ha = to_qla_host(shost);
7791 struct iscsi_bus_flash_conn *fnode_conn;
7792 struct ql4_chap_table chap_tbl;
7793 struct device *dev;
Adheer Chandravanshia2f76632013-07-08 08:33:08 -0400[diff] [blame]7794 int parent_type;
Adheer Chandravanshi1e9e2be2013-03-22 07:41:31 -0400[diff] [blame]7795 int rc = 0;
7796
Mike Christie8526cb12013-05-06 12:06:56 -0500[diff] [blame]7797 dev = iscsi_find_flashnode_conn(fnode_sess);
Adheer Chandravanshi1e9e2be2013-03-22 07:41:31 -0400[diff] [blame]7798 if (!dev)
7799 return -EIO;
7800
7801 fnode_conn = iscsi_dev_to_flash_conn(dev);
7802
7803 switch (param) {
7804 case ISCSI_FLASHNODE_IS_FW_ASSIGNED_IPV6:
7805 rc = sprintf(buf, "%u\n", fnode_conn->is_fw_assigned_ipv6);
7806 break;
7807 case ISCSI_FLASHNODE_PORTAL_TYPE:
7808 rc = sprintf(buf, "%s\n", fnode_sess->portal_type);
7809 break;
7810 case ISCSI_FLASHNODE_AUTO_SND_TGT_DISABLE:
7811 rc = sprintf(buf, "%u\n", fnode_sess->auto_snd_tgt_disable);
7812 break;
7813 case ISCSI_FLASHNODE_DISCOVERY_SESS:
7814 rc = sprintf(buf, "%u\n", fnode_sess->discovery_sess);
7815 break;
7816 case ISCSI_FLASHNODE_ENTRY_EN:
7817 rc = sprintf(buf, "%u\n", fnode_sess->entry_state);
7818 break;
7819 case ISCSI_FLASHNODE_HDR_DGST_EN:
7820 rc = sprintf(buf, "%u\n", fnode_conn->hdrdgst_en);
7821 break;
7822 case ISCSI_FLASHNODE_DATA_DGST_EN:
7823 rc = sprintf(buf, "%u\n", fnode_conn->datadgst_en);
7824 break;
7825 case ISCSI_FLASHNODE_IMM_DATA_EN:
7826 rc = sprintf(buf, "%u\n", fnode_sess->imm_data_en);
7827 break;
7828 case ISCSI_FLASHNODE_INITIAL_R2T_EN:
7829 rc = sprintf(buf, "%u\n", fnode_sess->initial_r2t_en);
7830 break;
7831 case ISCSI_FLASHNODE_DATASEQ_INORDER:
7832 rc = sprintf(buf, "%u\n", fnode_sess->dataseq_inorder_en);
7833 break;
7834 case ISCSI_FLASHNODE_PDU_INORDER:
7835 rc = sprintf(buf, "%u\n", fnode_sess->pdu_inorder_en);
7836 break;
7837 case ISCSI_FLASHNODE_CHAP_AUTH_EN:
7838 rc = sprintf(buf, "%u\n", fnode_sess->chap_auth_en);
7839 break;
7840 case ISCSI_FLASHNODE_SNACK_REQ_EN:
7841 rc = sprintf(buf, "%u\n", fnode_conn->snack_req_en);
7842 break;
7843 case ISCSI_FLASHNODE_DISCOVERY_LOGOUT_EN:
7844 rc = sprintf(buf, "%u\n", fnode_sess->discovery_logout_en);
7845 break;
7846 case ISCSI_FLASHNODE_BIDI_CHAP_EN:
7847 rc = sprintf(buf, "%u\n", fnode_sess->bidi_chap_en);
7848 break;
7849 case ISCSI_FLASHNODE_DISCOVERY_AUTH_OPTIONAL:
7850 rc = sprintf(buf, "%u\n", fnode_sess->discovery_auth_optional);
7851 break;
7852 case ISCSI_FLASHNODE_ERL:
7853 rc = sprintf(buf, "%u\n", fnode_sess->erl);
7854 break;
7855 case ISCSI_FLASHNODE_TCP_TIMESTAMP_STAT:
7856 rc = sprintf(buf, "%u\n", fnode_conn->tcp_timestamp_stat);
7857 break;
7858 case ISCSI_FLASHNODE_TCP_NAGLE_DISABLE:
7859 rc = sprintf(buf, "%u\n", fnode_conn->tcp_nagle_disable);
7860 break;
7861 case ISCSI_FLASHNODE_TCP_WSF_DISABLE:
7862 rc = sprintf(buf, "%u\n", fnode_conn->tcp_wsf_disable);
7863 break;
7864 case ISCSI_FLASHNODE_TCP_TIMER_SCALE:
7865 rc = sprintf(buf, "%u\n", fnode_conn->tcp_timer_scale);
7866 break;
7867 case ISCSI_FLASHNODE_TCP_TIMESTAMP_EN:
7868 rc = sprintf(buf, "%u\n", fnode_conn->tcp_timestamp_en);
7869 break;
7870 case ISCSI_FLASHNODE_IP_FRAG_DISABLE:
7871 rc = sprintf(buf, "%u\n", fnode_conn->fragment_disable);
7872 break;
7873 case ISCSI_FLASHNODE_MAX_RECV_DLENGTH:
7874 rc = sprintf(buf, "%u\n", fnode_conn->max_recv_dlength);
7875 break;
7876 case ISCSI_FLASHNODE_MAX_XMIT_DLENGTH:
7877 rc = sprintf(buf, "%u\n", fnode_conn->max_xmit_dlength);
7878 break;
7879 case ISCSI_FLASHNODE_FIRST_BURST:
7880 rc = sprintf(buf, "%u\n", fnode_sess->first_burst);
7881 break;
7882 case ISCSI_FLASHNODE_DEF_TIME2WAIT:
7883 rc = sprintf(buf, "%u\n", fnode_sess->time2wait);
7884 break;
7885 case ISCSI_FLASHNODE_DEF_TIME2RETAIN:
7886 rc = sprintf(buf, "%u\n", fnode_sess->time2retain);
7887 break;
7888 case ISCSI_FLASHNODE_MAX_R2T:
7889 rc = sprintf(buf, "%u\n", fnode_sess->max_r2t);
7890 break;
7891 case ISCSI_FLASHNODE_KEEPALIVE_TMO:
7892 rc = sprintf(buf, "%u\n", fnode_conn->keepalive_timeout);
7893 break;
7894 case ISCSI_FLASHNODE_ISID:
7895 rc = sprintf(buf, "%02x%02x%02x%02x%02x%02x\n",
7896 fnode_sess->isid[0], fnode_sess->isid[1],
7897 fnode_sess->isid[2], fnode_sess->isid[3],
7898 fnode_sess->isid[4], fnode_sess->isid[5]);
7899 break;
7900 case ISCSI_FLASHNODE_TSID:
7901 rc = sprintf(buf, "%u\n", fnode_sess->tsid);
7902 break;
7903 case ISCSI_FLASHNODE_PORT:
7904 rc = sprintf(buf, "%d\n", fnode_conn->port);
7905 break;
7906 case ISCSI_FLASHNODE_MAX_BURST:
7907 rc = sprintf(buf, "%u\n", fnode_sess->max_burst);
7908 break;
7909 case ISCSI_FLASHNODE_DEF_TASKMGMT_TMO:
7910 rc = sprintf(buf, "%u\n",
7911 fnode_sess->default_taskmgmt_timeout);
7912 break;
7913 case ISCSI_FLASHNODE_IPADDR:
Adheer Chandravanshic962c182013-03-25 08:08:32 -0400[diff] [blame]7914 if (!strncmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4))
Adheer Chandravanshi1e9e2be2013-03-22 07:41:31 -0400[diff] [blame]7915 rc = sprintf(buf, "%pI6\n", fnode_conn->ipaddress);
7916 else
7917 rc = sprintf(buf, "%pI4\n", fnode_conn->ipaddress);
7918 break;
7919 case ISCSI_FLASHNODE_ALIAS:
7920 if (fnode_sess->targetalias)
7921 rc = sprintf(buf, "%s\n", fnode_sess->targetalias);
7922 else
7923 rc = sprintf(buf, "\n");
7924 break;
7925 case ISCSI_FLASHNODE_REDIRECT_IPADDR:
Adheer Chandravanshic962c182013-03-25 08:08:32 -0400[diff] [blame]7926 if (!strncmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4))
Adheer Chandravanshi1e9e2be2013-03-22 07:41:31 -0400[diff] [blame]7927 rc = sprintf(buf, "%pI6\n",
7928 fnode_conn->redirect_ipaddr);
7929 else
7930 rc = sprintf(buf, "%pI4\n",
7931 fnode_conn->redirect_ipaddr);
7932 break;
7933 case ISCSI_FLASHNODE_MAX_SEGMENT_SIZE:
7934 rc = sprintf(buf, "%u\n", fnode_conn->max_segment_size);
7935 break;
7936 case ISCSI_FLASHNODE_LOCAL_PORT:
7937 rc = sprintf(buf, "%u\n", fnode_conn->local_port);
7938 break;
7939 case ISCSI_FLASHNODE_IPV4_TOS:
7940 rc = sprintf(buf, "%u\n", fnode_conn->ipv4_tos);
7941 break;
7942 case ISCSI_FLASHNODE_IPV6_TC:
Adheer Chandravanshic962c182013-03-25 08:08:32 -0400[diff] [blame]7943 if (!strncmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4))
Adheer Chandravanshi1e9e2be2013-03-22 07:41:31 -0400[diff] [blame]7944 rc = sprintf(buf, "%u\n",
7945 fnode_conn->ipv6_traffic_class);
7946 else
7947 rc = sprintf(buf, "\n");
7948 break;
7949 case ISCSI_FLASHNODE_IPV6_FLOW_LABEL:
7950 rc = sprintf(buf, "%u\n", fnode_conn->ipv6_flow_label);
7951 break;
7952 case ISCSI_FLASHNODE_LINK_LOCAL_IPV6:
Adheer Chandravanshic962c182013-03-25 08:08:32 -0400[diff] [blame]7953 if (!strncmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4))
Adheer Chandravanshi1e9e2be2013-03-22 07:41:31 -0400[diff] [blame]7954 rc = sprintf(buf, "%pI6\n",
7955 fnode_conn->link_local_ipv6_addr);
7956 else
7957 rc = sprintf(buf, "\n");
7958 break;
7959 case ISCSI_FLASHNODE_DISCOVERY_PARENT_IDX:
Adheer Chandravanshia2f76632013-07-08 08:33:08 -0400[diff] [blame]7960 rc = sprintf(buf, "%u\n", fnode_sess->discovery_parent_idx);
Adheer Chandravanshi1e9e2be2013-03-22 07:41:31 -0400[diff] [blame]7961 break;
7962 case ISCSI_FLASHNODE_DISCOVERY_PARENT_TYPE:
7963 if (fnode_sess->discovery_parent_type == DDB_ISNS)
7964 parent_type = ISCSI_DISC_PARENT_ISNS;
7965 else if (fnode_sess->discovery_parent_type == DDB_NO_LINK)
7966 parent_type = ISCSI_DISC_PARENT_UNKNOWN;
Vikas Chaudharyb6130ce2013-04-17 05:15:26 -0400[diff] [blame]7967 else if (fnode_sess->discovery_parent_type < MAX_DDB_ENTRIES)
Adheer Chandravanshi1e9e2be2013-03-22 07:41:31 -0400[diff] [blame]7968 parent_type = ISCSI_DISC_PARENT_SENDTGT;
7969 else
7970 parent_type = ISCSI_DISC_PARENT_UNKNOWN;
7971
7972 rc = sprintf(buf, "%s\n",
7973 iscsi_get_discovery_parent_name(parent_type));
7974 break;
7975 case ISCSI_FLASHNODE_NAME:
7976 if (fnode_sess->targetname)
7977 rc = sprintf(buf, "%s\n", fnode_sess->targetname);
7978 else
7979 rc = sprintf(buf, "\n");
7980 break;
7981 case ISCSI_FLASHNODE_TPGT:
7982 rc = sprintf(buf, "%u\n", fnode_sess->tpgt);
7983 break;
7984 case ISCSI_FLASHNODE_TCP_XMIT_WSF:
7985 rc = sprintf(buf, "%u\n", fnode_conn->tcp_xmit_wsf);
7986 break;
7987 case ISCSI_FLASHNODE_TCP_RECV_WSF:
7988 rc = sprintf(buf, "%u\n", fnode_conn->tcp_recv_wsf);
7989 break;
7990 case ISCSI_FLASHNODE_CHAP_OUT_IDX:
7991 rc = sprintf(buf, "%u\n", fnode_sess->chap_out_idx);
7992 break;
7993 case ISCSI_FLASHNODE_USERNAME:
7994 if (fnode_sess->chap_auth_en) {
7995 qla4xxx_get_uni_chap_at_index(ha,
7996 chap_tbl.name,
7997 chap_tbl.secret,
7998 fnode_sess->chap_out_idx);
7999 rc = sprintf(buf, "%s\n", chap_tbl.name);
8000 } else {
8001 rc = sprintf(buf, "\n");
8002 }
8003 break;
8004 case ISCSI_FLASHNODE_PASSWORD:
8005 if (fnode_sess->chap_auth_en) {
8006 qla4xxx_get_uni_chap_at_index(ha,
8007 chap_tbl.name,
8008 chap_tbl.secret,
8009 fnode_sess->chap_out_idx);
8010 rc = sprintf(buf, "%s\n", chap_tbl.secret);
8011 } else {
8012 rc = sprintf(buf, "\n");
8013 }
8014 break;
8015 case ISCSI_FLASHNODE_STATSN:
8016 rc = sprintf(buf, "%u\n", fnode_conn->statsn);
8017 break;
8018 case ISCSI_FLASHNODE_EXP_STATSN:
8019 rc = sprintf(buf, "%u\n", fnode_conn->exp_statsn);
8020 break;
8021 case ISCSI_FLASHNODE_IS_BOOT_TGT:
8022 rc = sprintf(buf, "%u\n", fnode_sess->is_boot_target);
8023 break;
8024 default:
8025 rc = -ENOSYS;
8026 break;
8027 }
Mike Christie8526cb12013-05-06 12:06:56 -0500[diff] [blame]8028
8029 put_device(dev);
Adheer Chandravanshi1e9e2be2013-03-22 07:41:31 -0400[diff] [blame]8030 return rc;
8031}
8032
8033/**
8034 * qla4xxx_sysfs_ddb_set_param - Set parameter for firmware DDB entry
8035 * @fnode_sess: pointer to session attrs of flash ddb entry
8036 * @fnode_conn: pointer to connection attrs of flash ddb entry
8037 * @data: Parameters and their values to update
8038 * @len: len of data
8039 *
8040 * This sets the parameter of flash ddb entry and writes them to flash
8041 **/
8042static int
8043qla4xxx_sysfs_ddb_set_param(struct iscsi_bus_flash_session *fnode_sess,
8044 struct iscsi_bus_flash_conn *fnode_conn,
8045 void *data, int len)
8046{
8047 struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess);
8048 struct scsi_qla_host *ha = to_qla_host(shost);
Adheer Chandravanshi1e9e2be2013-03-22 07:41:31 -0400[diff] [blame]8049 struct iscsi_flashnode_param_info *fnode_param;
Adheer Chandravanshi244c0792013-09-17 07:54:45 -0400[diff] [blame]8050 struct ql4_chap_table chap_tbl;
Adheer Chandravanshi1e9e2be2013-03-22 07:41:31 -0400[diff] [blame]8051 struct nlattr *attr;
Adheer Chandravanshi244c0792013-09-17 07:54:45 -0400[diff] [blame]8052 uint16_t chap_out_idx = INVALID_ENTRY;
Adheer Chandravanshi1e9e2be2013-03-22 07:41:31 -0400[diff] [blame]8053 int rc = QLA_ERROR;
8054 uint32_t rem = len;
8055
Adheer Chandravanshi244c0792013-09-17 07:54:45 -0400[diff] [blame]8056 memset((void *)&chap_tbl, 0, sizeof(chap_tbl));
Adheer Chandravanshi1e9e2be2013-03-22 07:41:31 -0400[diff] [blame]8057 nla_for_each_attr(attr, data, len, rem) {
8058 fnode_param = nla_data(attr);
8059
8060 switch (fnode_param->param) {
8061 case ISCSI_FLASHNODE_IS_FW_ASSIGNED_IPV6:
8062 fnode_conn->is_fw_assigned_ipv6 = fnode_param->value[0];
8063 break;
8064 case ISCSI_FLASHNODE_PORTAL_TYPE:
8065 memcpy(fnode_sess->portal_type, fnode_param->value,
8066 strlen(fnode_sess->portal_type));
8067 break;
8068 case ISCSI_FLASHNODE_AUTO_SND_TGT_DISABLE:
8069 fnode_sess->auto_snd_tgt_disable =
8070 fnode_param->value[0];
8071 break;
8072 case ISCSI_FLASHNODE_DISCOVERY_SESS:
8073 fnode_sess->discovery_sess = fnode_param->value[0];
8074 break;
8075 case ISCSI_FLASHNODE_ENTRY_EN:
8076 fnode_sess->entry_state = fnode_param->value[0];
8077 break;
8078 case ISCSI_FLASHNODE_HDR_DGST_EN:
8079 fnode_conn->hdrdgst_en = fnode_param->value[0];
8080 break;
8081 case ISCSI_FLASHNODE_DATA_DGST_EN:
8082 fnode_conn->datadgst_en = fnode_param->value[0];
8083 break;
8084 case ISCSI_FLASHNODE_IMM_DATA_EN:
8085 fnode_sess->imm_data_en = fnode_param->value[0];
8086 break;
8087 case ISCSI_FLASHNODE_INITIAL_R2T_EN:
8088 fnode_sess->initial_r2t_en = fnode_param->value[0];
8089 break;
8090 case ISCSI_FLASHNODE_DATASEQ_INORDER:
8091 fnode_sess->dataseq_inorder_en = fnode_param->value[0];
8092 break;
8093 case ISCSI_FLASHNODE_PDU_INORDER:
8094 fnode_sess->pdu_inorder_en = fnode_param->value[0];
8095 break;
8096 case ISCSI_FLASHNODE_CHAP_AUTH_EN:
8097 fnode_sess->chap_auth_en = fnode_param->value[0];
Adheer Chandravanshi244c0792013-09-17 07:54:45 -0400[diff] [blame]8098 /* Invalidate chap index if chap auth is disabled */
8099 if (!fnode_sess->chap_auth_en)
8100 fnode_sess->chap_out_idx = INVALID_ENTRY;
8101
Adheer Chandravanshi1e9e2be2013-03-22 07:41:31 -0400[diff] [blame]8102 break;
8103 case ISCSI_FLASHNODE_SNACK_REQ_EN:
8104 fnode_conn->snack_req_en = fnode_param->value[0];
8105 break;
8106 case ISCSI_FLASHNODE_DISCOVERY_LOGOUT_EN:
8107 fnode_sess->discovery_logout_en = fnode_param->value[0];
8108 break;
8109 case ISCSI_FLASHNODE_BIDI_CHAP_EN:
8110 fnode_sess->bidi_chap_en = fnode_param->value[0];
8111 break;
8112 case ISCSI_FLASHNODE_DISCOVERY_AUTH_OPTIONAL:
8113 fnode_sess->discovery_auth_optional =
8114 fnode_param->value[0];
8115 break;
8116 case ISCSI_FLASHNODE_ERL:
8117 fnode_sess->erl = fnode_param->value[0];
8118 break;
8119 case ISCSI_FLASHNODE_TCP_TIMESTAMP_STAT:
8120 fnode_conn->tcp_timestamp_stat = fnode_param->value[0];
8121 break;
8122 case ISCSI_FLASHNODE_TCP_NAGLE_DISABLE:
8123 fnode_conn->tcp_nagle_disable = fnode_param->value[0];
8124 break;
8125 case ISCSI_FLASHNODE_TCP_WSF_DISABLE:
8126 fnode_conn->tcp_wsf_disable = fnode_param->value[0];
8127 break;
8128 case ISCSI_FLASHNODE_TCP_TIMER_SCALE:
8129 fnode_conn->tcp_timer_scale = fnode_param->value[0];
8130 break;
8131 case ISCSI_FLASHNODE_TCP_TIMESTAMP_EN:
8132 fnode_conn->tcp_timestamp_en = fnode_param->value[0];
8133 break;
8134 case ISCSI_FLASHNODE_IP_FRAG_DISABLE:
8135 fnode_conn->fragment_disable = fnode_param->value[0];
8136 break;
8137 case ISCSI_FLASHNODE_MAX_RECV_DLENGTH:
8138 fnode_conn->max_recv_dlength =
8139 *(unsigned *)fnode_param->value;
8140 break;
8141 case ISCSI_FLASHNODE_MAX_XMIT_DLENGTH:
8142 fnode_conn->max_xmit_dlength =
8143 *(unsigned *)fnode_param->value;
8144 break;
8145 case ISCSI_FLASHNODE_FIRST_BURST:
8146 fnode_sess->first_burst =
8147 *(unsigned *)fnode_param->value;
8148 break;
8149 case ISCSI_FLASHNODE_DEF_TIME2WAIT:
8150 fnode_sess->time2wait = *(uint16_t *)fnode_param->value;
8151 break;
8152 case ISCSI_FLASHNODE_DEF_TIME2RETAIN:
8153 fnode_sess->time2retain =
8154 *(uint16_t *)fnode_param->value;
8155 break;
8156 case ISCSI_FLASHNODE_MAX_R2T:
8157 fnode_sess->max_r2t =
8158 *(uint16_t *)fnode_param->value;
8159 break;
8160 case ISCSI_FLASHNODE_KEEPALIVE_TMO:
8161 fnode_conn->keepalive_timeout =
8162 *(uint16_t *)fnode_param->value;
8163 break;
8164 case ISCSI_FLASHNODE_ISID:
8165 memcpy(fnode_sess->isid, fnode_param->value,
8166 sizeof(fnode_sess->isid));
8167 break;
8168 case ISCSI_FLASHNODE_TSID:
8169 fnode_sess->tsid = *(uint16_t *)fnode_param->value;
8170 break;
8171 case ISCSI_FLASHNODE_PORT:
8172 fnode_conn->port = *(uint16_t *)fnode_param->value;
8173 break;
8174 case ISCSI_FLASHNODE_MAX_BURST:
8175 fnode_sess->max_burst = *(unsigned *)fnode_param->value;
8176 break;
8177 case ISCSI_FLASHNODE_DEF_TASKMGMT_TMO:
8178 fnode_sess->default_taskmgmt_timeout =
8179 *(uint16_t *)fnode_param->value;
8180 break;
8181 case ISCSI_FLASHNODE_IPADDR:
8182 memcpy(fnode_conn->ipaddress, fnode_param->value,
8183 IPv6_ADDR_LEN);
8184 break;
8185 case ISCSI_FLASHNODE_ALIAS:
8186 rc = iscsi_switch_str_param(&fnode_sess->targetalias,
8187 (char *)fnode_param->value);
8188 break;
8189 case ISCSI_FLASHNODE_REDIRECT_IPADDR:
8190 memcpy(fnode_conn->redirect_ipaddr, fnode_param->value,
8191 IPv6_ADDR_LEN);
8192 break;
8193 case ISCSI_FLASHNODE_MAX_SEGMENT_SIZE:
8194 fnode_conn->max_segment_size =
8195 *(unsigned *)fnode_param->value;
8196 break;
8197 case ISCSI_FLASHNODE_LOCAL_PORT:
8198 fnode_conn->local_port =
8199 *(uint16_t *)fnode_param->value;
8200 break;
8201 case ISCSI_FLASHNODE_IPV4_TOS:
8202 fnode_conn->ipv4_tos = fnode_param->value[0];
8203 break;
8204 case ISCSI_FLASHNODE_IPV6_TC:
8205 fnode_conn->ipv6_traffic_class = fnode_param->value[0];
8206 break;
8207 case ISCSI_FLASHNODE_IPV6_FLOW_LABEL:
8208 fnode_conn->ipv6_flow_label = fnode_param->value[0];
8209 break;
8210 case ISCSI_FLASHNODE_NAME:
8211 rc = iscsi_switch_str_param(&fnode_sess->targetname,
8212 (char *)fnode_param->value);
8213 break;
8214 case ISCSI_FLASHNODE_TPGT:
8215 fnode_sess->tpgt = *(uint16_t *)fnode_param->value;
8216 break;
8217 case ISCSI_FLASHNODE_LINK_LOCAL_IPV6:
8218 memcpy(fnode_conn->link_local_ipv6_addr,
8219 fnode_param->value, IPv6_ADDR_LEN);
8220 break;
Adheer Chandravanshi65560162013-07-08 08:33:06 -0400[diff] [blame]8221 case ISCSI_FLASHNODE_DISCOVERY_PARENT_IDX:
8222 fnode_sess->discovery_parent_idx =
Adheer Chandravanshi1e9e2be2013-03-22 07:41:31 -0400[diff] [blame]8223 *(uint16_t *)fnode_param->value;
8224 break;
8225 case ISCSI_FLASHNODE_TCP_XMIT_WSF:
8226 fnode_conn->tcp_xmit_wsf =
8227 *(uint8_t *)fnode_param->value;
8228 break;
8229 case ISCSI_FLASHNODE_TCP_RECV_WSF:
8230 fnode_conn->tcp_recv_wsf =
8231 *(uint8_t *)fnode_param->value;
8232 break;
8233 case ISCSI_FLASHNODE_STATSN:
8234 fnode_conn->statsn = *(uint32_t *)fnode_param->value;
8235 break;
8236 case ISCSI_FLASHNODE_EXP_STATSN:
8237 fnode_conn->exp_statsn =
8238 *(uint32_t *)fnode_param->value;
8239 break;
Adheer Chandravanshi244c0792013-09-17 07:54:45 -0400[diff] [blame]8240 case ISCSI_FLASHNODE_CHAP_OUT_IDX:
8241 chap_out_idx = *(uint16_t *)fnode_param->value;
8242 if (!qla4xxx_get_uni_chap_at_index(ha,
8243 chap_tbl.name,
8244 chap_tbl.secret,
8245 chap_out_idx)) {
8246 fnode_sess->chap_out_idx = chap_out_idx;
8247 /* Enable chap auth if chap index is valid */
8248 fnode_sess->chap_auth_en = QL4_PARAM_ENABLE;
8249 }
8250 break;
Adheer Chandravanshi1e9e2be2013-03-22 07:41:31 -0400[diff] [blame]8251 default:
8252 ql4_printk(KERN_ERR, ha,
8253 "%s: No such sysfs attribute\n", __func__);
8254 rc = -ENOSYS;
8255 goto exit_set_param;
8256 }
8257 }
8258
8259 rc = qla4xxx_sysfs_ddb_apply(fnode_sess, fnode_conn);
8260
8261exit_set_param:
8262 return rc;
8263}
8264
8265/**
8266 * qla4xxx_sysfs_ddb_delete - Delete firmware DDB entry
8267 * @fnode_sess: pointer to session attrs of flash ddb entry
8268 *
8269 * This invalidates the flash ddb entry at the given index
8270 **/
8271static int qla4xxx_sysfs_ddb_delete(struct iscsi_bus_flash_session *fnode_sess)
8272{
8273 struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess);
8274 struct scsi_qla_host *ha = to_qla_host(shost);
8275 uint32_t dev_db_start_offset;
8276 uint32_t dev_db_end_offset;
8277 struct dev_db_entry *fw_ddb_entry = NULL;
8278 dma_addr_t fw_ddb_entry_dma;
8279 uint16_t *ddb_cookie = NULL;
Vikas Chaudharyb6130ce2013-04-17 05:15:26 -0400[diff] [blame]8280 size_t ddb_size = 0;
Adheer Chandravanshi039acc12013-04-05 07:06:06 -0400[diff] [blame]8281 void *pddb = NULL;
Adheer Chandravanshi1e9e2be2013-03-22 07:41:31 -0400[diff] [blame]8282 int target_id;
8283 int rc = 0;
8284
Adheer Chandravanshi1e9e2be2013-03-22 07:41:31 -0400[diff] [blame]8285 if (fnode_sess->is_boot_target) {
8286 rc = -EPERM;
8287 DEBUG2(ql4_printk(KERN_ERR, ha,
8288 "%s: Deletion of boot target entry is not permitted.\n",
8289 __func__));
8290 goto exit_ddb_del;
8291 }
8292
8293 if (fnode_sess->flash_state == DEV_DB_NON_PERSISTENT)
8294 goto sysfs_ddb_del;
8295
Adheer Chandravanshi1e9e2be2013-03-22 07:41:31 -0400[diff] [blame]8296 if (is_qla40XX(ha)) {
8297 dev_db_start_offset = FLASH_OFFSET_DB_INFO;
Adheer Chandravanshi039acc12013-04-05 07:06:06 -0400[diff] [blame]8298 dev_db_end_offset = FLASH_OFFSET_DB_END;
8299 dev_db_start_offset += (fnode_sess->target_id *
8300 sizeof(*fw_ddb_entry));
8301 ddb_size = sizeof(*fw_ddb_entry);
Adheer Chandravanshi1e9e2be2013-03-22 07:41:31 -0400[diff] [blame]8302 } else {
8303 dev_db_start_offset = FLASH_RAW_ACCESS_ADDR +
8304 (ha->hw.flt_region_ddb << 2);
8305 /* flt_ddb_size is DDB table size for both ports
8306 * so divide it by 2 to calculate the offset for second port
8307 */
8308 if (ha->port_num == 1)
8309 dev_db_start_offset += (ha->hw.flt_ddb_size / 2);
Adheer Chandravanshi1e9e2be2013-03-22 07:41:31 -0400[diff] [blame]8310
Adheer Chandravanshi039acc12013-04-05 07:06:06 -0400[diff] [blame]8311 dev_db_end_offset = dev_db_start_offset +
8312 (ha->hw.flt_ddb_size / 2);
8313
8314 dev_db_start_offset += (fnode_sess->target_id *
8315 sizeof(*fw_ddb_entry));
Adheer Chandravanshi1bcb5612013-04-17 05:15:28 -0400[diff] [blame]8316 dev_db_start_offset += offsetof(struct dev_db_entry, cookie);
Adheer Chandravanshi039acc12013-04-05 07:06:06 -0400[diff] [blame]8317
8318 ddb_size = sizeof(*ddb_cookie);
8319 }
Adheer Chandravanshi1e9e2be2013-03-22 07:41:31 -0400[diff] [blame]8320
8321 DEBUG2(ql4_printk(KERN_ERR, ha, "%s: start offset=%u, end offset=%u\n",
8322 __func__, dev_db_start_offset, dev_db_end_offset));
8323
8324 if (dev_db_start_offset > dev_db_end_offset) {
8325 rc = -EIO;
8326 DEBUG2(ql4_printk(KERN_ERR, ha, "%s:Invalid DDB index %u\n",
8327 __func__, fnode_sess->target_id));
8328 goto exit_ddb_del;
8329 }
8330
Adheer Chandravanshi039acc12013-04-05 07:06:06 -0400[diff] [blame]8331 pddb = dma_alloc_coherent(&ha->pdev->dev, ddb_size,
8332 &fw_ddb_entry_dma, GFP_KERNEL);
8333 if (!pddb) {
8334 rc = -ENOMEM;
8335 DEBUG2(ql4_printk(KERN_ERR, ha,
8336 "%s: Unable to allocate dma buffer\n",
8337 __func__));
8338 goto exit_ddb_del;
8339 }
8340
8341 if (is_qla40XX(ha)) {
8342 fw_ddb_entry = pddb;
8343 memset(fw_ddb_entry, 0, ddb_size);
8344 ddb_cookie = &fw_ddb_entry->cookie;
8345 } else {
8346 ddb_cookie = pddb;
8347 }
8348
Adheer Chandravanshi1e9e2be2013-03-22 07:41:31 -0400[diff] [blame]8349 /* invalidate the cookie */
8350 *ddb_cookie = 0xFFEE;
8351 qla4xxx_set_flash(ha, fw_ddb_entry_dma, dev_db_start_offset,
Adheer Chandravanshi039acc12013-04-05 07:06:06 -0400[diff] [blame]8352 ddb_size, FLASH_OPT_RMW_COMMIT);
Adheer Chandravanshi1e9e2be2013-03-22 07:41:31 -0400[diff] [blame]8353
8354sysfs_ddb_del:
8355 target_id = fnode_sess->target_id;
8356 iscsi_destroy_flashnode_sess(fnode_sess);
8357 ql4_printk(KERN_INFO, ha,
8358 "%s: session and conn entries for flashnode %u of host %lu deleted\n",
8359 __func__, target_id, ha->host_no);
8360exit_ddb_del:
Adheer Chandravanshi039acc12013-04-05 07:06:06 -0400[diff] [blame]8361 if (pddb)
8362 dma_free_coherent(&ha->pdev->dev, ddb_size, pddb,
8363 fw_ddb_entry_dma);
Adheer Chandravanshi1e9e2be2013-03-22 07:41:31 -0400[diff] [blame]8364 return rc;
8365}
8366
8367/**
8368 * qla4xxx_sysfs_ddb_export - Create sysfs entries for firmware DDBs
8369 * @ha: pointer to adapter structure
8370 *
8371 * Export the firmware DDB for all send targets and normal targets to sysfs.
8372 **/
8373static int qla4xxx_sysfs_ddb_export(struct scsi_qla_host *ha)
8374{
8375 struct dev_db_entry *fw_ddb_entry = NULL;
8376 dma_addr_t fw_ddb_entry_dma;
8377 uint16_t max_ddbs;
8378 uint16_t idx = 0;
8379 int ret = QLA_SUCCESS;
8380
8381 fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev,
8382 sizeof(*fw_ddb_entry),
8383 &fw_ddb_entry_dma, GFP_KERNEL);
8384 if (!fw_ddb_entry) {
8385 DEBUG2(ql4_printk(KERN_ERR, ha,
8386 "%s: Unable to allocate dma buffer\n",
8387 __func__));
8388 return -ENOMEM;
8389 }
8390
Adheer Chandravanshia957a7d2013-04-05 07:06:08 -0400[diff] [blame]8391 max_ddbs = is_qla40XX(ha) ? MAX_PRST_DEV_DB_ENTRIES :
Adheer Chandravanshi1e9e2be2013-03-22 07:41:31 -0400[diff] [blame]8392 MAX_DEV_DB_ENTRIES;
8393
8394 for (idx = 0; idx < max_ddbs; idx++) {
8395 if (qla4xxx_flashdb_by_index(ha, fw_ddb_entry, fw_ddb_entry_dma,
8396 idx))
8397 continue;
8398
8399 ret = qla4xxx_sysfs_ddb_tgt_create(ha, fw_ddb_entry, &idx, 0);
8400 if (ret) {
8401 ret = -EIO;
8402 break;
8403 }
8404 }
8405
8406 dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), fw_ddb_entry,
8407 fw_ddb_entry_dma);
8408
8409 return ret;
8410}
8411
8412static void qla4xxx_sysfs_ddb_remove(struct scsi_qla_host *ha)
8413{
8414 iscsi_destroy_all_flashnode(ha->host);
8415}
8416
Lalit Chandivade4a4bc2e2011-12-16 01:58:55 -0800[diff] [blame]8417/**
8418 * qla4xxx_build_ddb_list - Build ddb list and setup sessions
8419 * @ha: pointer to adapter structure
8420 * @is_reset: Is this init path or reset path
8421 *
8422 * Create a list of sendtargets (st) from firmware DDBs, issue send targets
8423 * using connection open, then create the list of normal targets (nt)
8424 * from firmware DDBs. Based on the list of nt setup session and connection
8425 * objects.
8426 **/
8427void qla4xxx_build_ddb_list(struct scsi_qla_host *ha, int is_reset)
8428{
8429 uint16_t tmo = 0;
8430 struct list_head list_st, list_nt;
8431 struct qla_ddb_index *st_ddb_idx, *st_ddb_idx_tmp;
8432 unsigned long wtime;
8433
8434 if (!test_bit(AF_LINK_UP, &ha->flags)) {
8435 set_bit(AF_BUILD_DDB_LIST, &ha->flags);
8436 ha->is_reset = is_reset;
8437 return;
8438 }
8439
8440 INIT_LIST_HEAD(&list_st);
8441 INIT_LIST_HEAD(&list_nt);
8442
8443 qla4xxx_build_st_list(ha, &list_st);
8444
Mike Christie13483732011-12-01 21:38:41 -0600[diff] [blame]8445 /* Before issuing conn open mbox, ensure all IPs states are configured
8446 * Note, conn open fails if IPs are not configured
8447 */
8448 qla4xxx_wait_for_ip_configuration(ha);
8449
8450 /* Go thru the STs and fire the sendtargets by issuing conn open mbx */
8451 list_for_each_entry_safe(st_ddb_idx, st_ddb_idx_tmp, &list_st, list) {
8452 qla4xxx_conn_open(ha, st_ddb_idx->fw_ddb_idx);
8453 }
8454
8455 /* Wait to ensure all sendtargets are done for min 12 sec wait */
Nilesh Javalic28eaac2011-12-18 21:40:44 -0800[diff] [blame]8456 tmo = ((ha->def_timeout > LOGIN_TOV) &&
8457 (ha->def_timeout < LOGIN_TOV * 10) ?
8458 ha->def_timeout : LOGIN_TOV);
8459
Mike Christie13483732011-12-01 21:38:41 -0600[diff] [blame]8460 DEBUG2(ql4_printk(KERN_INFO, ha,
8461 "Default time to wait for build ddb %d\n", tmo));
8462
8463 wtime = jiffies + (HZ * tmo);
8464 do {
Nilesh Javalif1f2e602011-12-16 01:58:57 -0800[diff] [blame]8465 if (list_empty(&list_st))
8466 break;
8467
Lalit Chandivade4a4bc2e2011-12-16 01:58:55 -0800[diff] [blame]8468 qla4xxx_remove_failed_ddb(ha, &list_st);
Mike Christie13483732011-12-01 21:38:41 -0600[diff] [blame]8469 schedule_timeout_uninterruptible(HZ / 10);
8470 } while (time_after(wtime, jiffies));
8471
Manish Rangankarad8bd452013-09-17 07:30:02 -0400[diff] [blame]8472
8473 qla4xxx_build_nt_list(ha, &list_nt, &list_st, is_reset);
8474
Lalit Chandivade4a4bc2e2011-12-16 01:58:55 -0800[diff] [blame]8475 qla4xxx_free_ddb_list(&list_st);
Lalit Chandivade4a4bc2e2011-12-16 01:58:55 -0800[diff] [blame]8476 qla4xxx_free_ddb_list(&list_nt);
Mike Christie13483732011-12-01 21:38:41 -0600[diff] [blame]8477
8478 qla4xxx_free_ddb_index(ha);
8479}
8480
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]8481/**
Manish Rangankar1dc8ed52013-01-20 23:51:03 -0500[diff] [blame]8482 * qla4xxx_wait_login_resp_boot_tgt - Wait for iSCSI boot target login
8483 * response.
8484 * @ha: pointer to adapter structure
8485 *
8486 * When the boot entry is normal iSCSI target then DF_BOOT_TGT flag will be
8487 * set in DDB and we will wait for login response of boot targets during
8488 * probe.
8489 **/
8490static void qla4xxx_wait_login_resp_boot_tgt(struct scsi_qla_host *ha)
8491{
8492 struct ddb_entry *ddb_entry;
8493 struct dev_db_entry *fw_ddb_entry = NULL;
8494 dma_addr_t fw_ddb_entry_dma;
8495 unsigned long wtime;
8496 uint32_t ddb_state;
8497 int max_ddbs, idx, ret;
8498
8499 max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX :
8500 MAX_DEV_DB_ENTRIES;
8501
8502 fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
8503 &fw_ddb_entry_dma, GFP_KERNEL);
8504 if (!fw_ddb_entry) {
8505 ql4_printk(KERN_ERR, ha,
8506 "%s: Unable to allocate dma buffer\n", __func__);
8507 goto exit_login_resp;
8508 }
8509
8510 wtime = jiffies + (HZ * BOOT_LOGIN_RESP_TOV);
8511
8512 for (idx = 0; idx < max_ddbs; idx++) {
8513 ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx);
8514 if (ddb_entry == NULL)
8515 continue;
8516
8517 if (test_bit(DF_BOOT_TGT, &ddb_entry->flags)) {
8518 DEBUG2(ql4_printk(KERN_INFO, ha,
8519 "%s: DDB index [%d]\n", __func__,
8520 ddb_entry->fw_ddb_index));
8521 do {
8522 ret = qla4xxx_get_fwddb_entry(ha,
8523 ddb_entry->fw_ddb_index,
8524 fw_ddb_entry, fw_ddb_entry_dma,
8525 NULL, NULL, &ddb_state, NULL,
8526 NULL, NULL);
8527 if (ret == QLA_ERROR)
8528 goto exit_login_resp;
8529
8530 if ((ddb_state == DDB_DS_SESSION_ACTIVE) ||
8531 (ddb_state == DDB_DS_SESSION_FAILED))
8532 break;
8533
8534 schedule_timeout_uninterruptible(HZ);
8535
8536 } while ((time_after(wtime, jiffies)));
8537
8538 if (!time_after(wtime, jiffies)) {
8539 DEBUG2(ql4_printk(KERN_INFO, ha,
8540 "%s: Login response wait timer expired\n",
8541 __func__));
8542 goto exit_login_resp;
8543 }
8544 }
8545 }
8546
8547exit_login_resp:
8548 if (fw_ddb_entry)
8549 dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
8550 fw_ddb_entry, fw_ddb_entry_dma);
8551}
8552
8553/**
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]8554 * qla4xxx_probe_adapter - callback function to probe HBA
8555 * @pdev: pointer to pci_dev structure
8556 * @pci_device_id: pointer to pci_device entry
8557 *
8558 * This routine will probe for Qlogic 4xxx iSCSI host adapters.
8559 * It returns zero if successful. It also initializes all data necessary for
8560 * the driver.
8561 **/
Greg Kroah-Hartman6f039792012-12-21 13:08:55 -0800[diff] [blame]8562static int qla4xxx_probe_adapter(struct pci_dev *pdev,
8563 const struct pci_device_id *ent)
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]8564{
8565 int ret = -ENODEV, status;
8566 struct Scsi_Host *host;
8567 struct scsi_qla_host *ha;
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]8568 uint8_t init_retry_count = 0;
8569 char buf[34];
Vikas Chaudharyf4f5df232010-07-28 15:53:44 +0530[diff] [blame]8570 struct qla4_8xxx_legacy_intr_set *nx_legacy_intr;
Prasanna Mumbaif9880e72011-03-21 03:34:26 -0700[diff] [blame]8571 uint32_t dev_state;
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]8572
8573 if (pci_enable_device(pdev))
8574 return -1;
8575
Manish Rangankarb3a271a2011-07-25 13:48:53 -0500[diff] [blame]8576 host = iscsi_host_alloc(&qla4xxx_driver_template, sizeof(*ha), 0);
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]8577 if (host == NULL) {
8578 printk(KERN_WARNING
8579 "qla4xxx: Couldn't allocate host from scsi layer!\n");
8580 goto probe_disable_device;
8581 }
8582
8583 /* Clear our data area */
Manish Rangankarb3a271a2011-07-25 13:48:53 -0500[diff] [blame]8584 ha = to_qla_host(host);
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]8585 memset(ha, 0, sizeof(*ha));
8586
8587 /* Save the information from PCI BIOS. */
8588 ha->pdev = pdev;
8589 ha->host = host;
8590 ha->host_no = host->host_no;
Vikas Chaudhary6e7b4292012-08-22 07:55:08 -0400[diff] [blame]8591 ha->func_num = PCI_FUNC(ha->pdev->devfn);
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]8592
Lalit Chandivade2232be02010-07-30 14:38:47 +0530[diff] [blame]8593 pci_enable_pcie_error_reporting(pdev);
8594
Vikas Chaudharyf4f5df232010-07-28 15:53:44 +0530[diff] [blame]8595 /* Setup Runtime configurable options */
8596 if (is_qla8022(ha)) {
Vikas Chaudhary7664a1f2012-08-22 07:55:00 -0400[diff] [blame]8597 ha->isp_ops = &qla4_82xx_isp_ops;
Vikas Chaudhary33693c72012-08-22 07:55:04 -0400[diff] [blame]8598 ha->reg_tbl = (uint32_t *) qla4_82xx_reg_tbl;
Vikas Chaudharyf4f5df232010-07-28 15:53:44 +0530[diff] [blame]8599 ha->qdr_sn_window = -1;
8600 ha->ddr_mn_window = -1;
8601 ha->curr_window = 255;
Vikas Chaudharyf4f5df232010-07-28 15:53:44 +0530[diff] [blame]8602 nx_legacy_intr = &legacy_intr[ha->func_num];
8603 ha->nx_legacy_intr.int_vec_bit = nx_legacy_intr->int_vec_bit;
8604 ha->nx_legacy_intr.tgt_status_reg =
8605 nx_legacy_intr->tgt_status_reg;
8606 ha->nx_legacy_intr.tgt_mask_reg = nx_legacy_intr->tgt_mask_reg;
8607 ha->nx_legacy_intr.pci_int_reg = nx_legacy_intr->pci_int_reg;
Vikas Chaudharyb37ca412013-08-16 07:03:02 -0400[diff] [blame]8608 } else if (is_qla8032(ha) || is_qla8042(ha)) {
Vikas Chaudhary6e7b4292012-08-22 07:55:08 -0400[diff] [blame]8609 ha->isp_ops = &qla4_83xx_isp_ops;
8610 ha->reg_tbl = (uint32_t *)qla4_83xx_reg_tbl;
Vikas Chaudharyf4f5df232010-07-28 15:53:44 +0530[diff] [blame]8611 } else {
8612 ha->isp_ops = &qla4xxx_isp_ops;
8613 }
8614
Vikas Chaudhary6e7b4292012-08-22 07:55:08 -0400[diff] [blame]8615 if (is_qla80XX(ha)) {
8616 rwlock_init(&ha->hw_lock);
8617 ha->pf_bit = ha->func_num << 16;
8618 /* Set EEH reset type to fundamental if required by hba */
Lalit Chandivade2232be02010-07-30 14:38:47 +0530[diff] [blame]8619 pdev->needs_freset = 1;
Vikas Chaudhary6e7b4292012-08-22 07:55:08 -0400[diff] [blame]8620 }
Lalit Chandivade2232be02010-07-30 14:38:47 +0530[diff] [blame]8621
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]8622 /* Configure PCI I/O space. */
Vikas Chaudharyf4f5df232010-07-28 15:53:44 +0530[diff] [blame]8623 ret = ha->isp_ops->iospace_config(ha);
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]8624 if (ret)
Vikas Chaudharyf4f5df232010-07-28 15:53:44 +0530[diff] [blame]8625 goto probe_failed_ioconfig;
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]8626
Vikas Chaudharyc2660df2010-07-10 14:51:02 +0530[diff] [blame]8627 ql4_printk(KERN_INFO, ha, "Found an ISP%04x, irq %d, iobase 0x%p\n",
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]8628 pdev->device, pdev->irq, ha->reg);
8629
8630 qla4xxx_config_dma_addressing(ha);
8631
8632 /* Initialize lists and spinlocks. */
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]8633 INIT_LIST_HEAD(&ha->free_srb_q);
8634
8635 mutex_init(&ha->mbox_sem);
Lalit Chandivade45494152011-10-07 16:55:42 -0700[diff] [blame]8636 mutex_init(&ha->chap_sem);
Vikas Chaudharyf4f5df232010-07-28 15:53:44 +0530[diff] [blame]8637 init_completion(&ha->mbx_intr_comp);
Vikas Chaudhary95d31262011-08-12 02:51:29 -0700[diff] [blame]8638 init_completion(&ha->disable_acb_comp);
Vikas Chaudharydf86f772013-11-22 05:28:17 -0500[diff] [blame]8639 init_completion(&ha->idc_comp);
8640 init_completion(&ha->link_up_comp);
8641 init_completion(&ha->disable_acb_comp);
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]8642
8643 spin_lock_init(&ha->hardware_lock);
Vikas Chaudhary8e9157c2012-08-22 07:45:24 -0400[diff] [blame]8644 spin_lock_init(&ha->work_lock);
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]8645
Vikas Chaudharyff884432011-08-29 23:43:02 +0530[diff] [blame]8646 /* Initialize work list */
8647 INIT_LIST_HEAD(&ha->work_list);
8648
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]8649 /* Allocate dma buffers */
8650 if (qla4xxx_mem_alloc(ha)) {
Vikas Chaudharyc2660df2010-07-10 14:51:02 +0530[diff] [blame]8651 ql4_printk(KERN_WARNING, ha,
8652 "[ERROR] Failed to allocate memory for adapter\n");
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]8653
8654 ret = -ENOMEM;
8655 goto probe_failed;
8656 }
8657
Manish Rangankarb3a271a2011-07-25 13:48:53 -0500[diff] [blame]8658 host->cmd_per_lun = 3;
8659 host->max_channel = 0;
8660 host->max_lun = MAX_LUNS - 1;
8661 host->max_id = MAX_TARGETS;
8662 host->max_cmd_len = IOCB_MAX_CDB_LEN;
8663 host->can_queue = MAX_SRBS ;
8664 host->transportt = qla4xxx_scsi_transport;
8665
8666 ret = scsi_init_shared_tag_map(host, MAX_SRBS);
8667 if (ret) {
8668 ql4_printk(KERN_WARNING, ha,
8669 "%s: scsi_init_shared_tag_map failed\n", __func__);
8670 goto probe_failed;
8671 }
8672
8673 pci_set_drvdata(pdev, ha);
8674
8675 ret = scsi_add_host(host, &pdev->dev);
8676 if (ret)
8677 goto probe_failed;
8678
Vikas Chaudhary6e7b4292012-08-22 07:55:08 -0400[diff] [blame]8679 if (is_qla80XX(ha))
8680 qla4_8xxx_get_flash_info(ha);
8681
Vikas Chaudharyb37ca412013-08-16 07:03:02 -0400[diff] [blame]8682 if (is_qla8032(ha) || is_qla8042(ha)) {
Vikas Chaudhary6e7b4292012-08-22 07:55:08 -0400[diff] [blame]8683 qla4_83xx_read_reset_template(ha);
8684 /*
8685 * NOTE: If ql4dontresethba==1, set IDC_CTRL DONTRESET_BIT0.
8686 * If DONRESET_BIT0 is set, drivers should not set dev_state
8687 * to NEED_RESET. But if NEED_RESET is set, drivers should
8688 * should honor the reset.
8689 */
8690 if (ql4xdontresethba == 1)
8691 qla4_83xx_set_idc_dontreset(ha);
8692 }
Vikas Chaudharyf4f5df232010-07-28 15:53:44 +0530[diff] [blame]8693
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]8694 /*
8695 * Initialize the Host adapter request/response queues and
8696 * firmware
8697 * NOTE: interrupts enabled upon successful completion
8698 */
Mike Christie13483732011-12-01 21:38:41 -0600[diff] [blame]8699 status = qla4xxx_initialize_adapter(ha, INIT_ADAPTER);
Poornima Vonti7977f822012-09-20 07:35:07 -0400[diff] [blame]8700
8701 /* Dont retry adapter initialization if IRQ allocation failed */
Nilesh Javali37418cc2013-12-16 06:49:31 -0500[diff] [blame]8702 if (is_qla80XX(ha) && (status == QLA_ERROR))
Poornima Vonti7977f822012-09-20 07:35:07 -0400[diff] [blame]8703 goto skip_retry_init;
8704
Vikas Chaudharyf4f5df232010-07-28 15:53:44 +0530[diff] [blame]8705 while ((!test_bit(AF_ONLINE, &ha->flags)) &&
8706 init_retry_count++ < MAX_INIT_RETRIES) {
Prasanna Mumbaif9880e72011-03-21 03:34:26 -0700[diff] [blame]8707
Vikas Chaudhary6e7b4292012-08-22 07:55:08 -0400[diff] [blame]8708 if (is_qla80XX(ha)) {
Vikas Chaudhary33693c72012-08-22 07:55:04 -0400[diff] [blame]8709 ha->isp_ops->idc_lock(ha);
8710 dev_state = qla4_8xxx_rd_direct(ha,
Vikas Chaudharye951aca2012-12-29 02:24:52 -0500[diff] [blame]8711 QLA8XXX_CRB_DEV_STATE);
Vikas Chaudhary33693c72012-08-22 07:55:04 -0400[diff] [blame]8712 ha->isp_ops->idc_unlock(ha);
Vikas Chaudharyde8c72d2012-08-22 09:14:24 -0400[diff] [blame]8713 if (dev_state == QLA8XXX_DEV_FAILED) {
Prasanna Mumbaif9880e72011-03-21 03:34:26 -0700[diff] [blame]8714 ql4_printk(KERN_WARNING, ha, "%s: don't retry "
8715 "initialize adapter. H/W is in failed state\n",
8716 __func__);
8717 break;
8718 }
8719 }
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]8720 DEBUG2(printk("scsi: %s: retrying adapter initialization "
8721 "(%d)\n", __func__, init_retry_count));
Vikas Chaudharyf4f5df232010-07-28 15:53:44 +0530[diff] [blame]8722
8723 if (ha->isp_ops->reset_chip(ha) == QLA_ERROR)
8724 continue;
8725
Mike Christie13483732011-12-01 21:38:41 -0600[diff] [blame]8726 status = qla4xxx_initialize_adapter(ha, INIT_ADAPTER);
Nilesh Javali37418cc2013-12-16 06:49:31 -0500[diff] [blame]8727 if (is_qla80XX(ha) && (status == QLA_ERROR)) {
8728 if (qla4_8xxx_check_init_adapter_retry(ha) == QLA_ERROR)
8729 goto skip_retry_init;
8730 }
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]8731 }
Vikas Chaudharyf4f5df232010-07-28 15:53:44 +0530[diff] [blame]8732
Poornima Vonti7977f822012-09-20 07:35:07 -0400[diff] [blame]8733skip_retry_init:
Vikas Chaudharyf4f5df232010-07-28 15:53:44 +0530[diff] [blame]8734 if (!test_bit(AF_ONLINE, &ha->flags)) {
Vikas Chaudharyc2660df2010-07-10 14:51:02 +0530[diff] [blame]8735 ql4_printk(KERN_WARNING, ha, "Failed to initialize adapter\n");
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]8736
Vikas Chaudhary6e7b4292012-08-22 07:55:08 -0400[diff] [blame]8737 if ((is_qla8022(ha) && ql4xdontresethba) ||
Vikas Chaudharyb37ca412013-08-16 07:03:02 -0400[diff] [blame]8738 ((is_qla8032(ha) || is_qla8042(ha)) &&
8739 qla4_83xx_idc_dontreset(ha))) {
Lalit Chandivadefe998522010-12-02 22:12:36 -0800[diff] [blame]8740 /* Put the device in failed state. */
8741 DEBUG2(printk(KERN_ERR "HW STATE: FAILED\n"));
Vikas Chaudhary33693c72012-08-22 07:55:04 -0400[diff] [blame]8742 ha->isp_ops->idc_lock(ha);
8743 qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE,
8744 QLA8XXX_DEV_FAILED);
8745 ha->isp_ops->idc_unlock(ha);
Lalit Chandivadefe998522010-12-02 22:12:36 -0800[diff] [blame]8746 }
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]8747 ret = -ENODEV;
Manish Rangankarb3a271a2011-07-25 13:48:53 -0500[diff] [blame]8748 goto remove_host;
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]8749 }
8750
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]8751 /* Startup the kernel thread for this host adapter. */
8752 DEBUG2(printk("scsi: %s: Starting kernel thread for "
8753 "qla4xxx_dpc\n", __func__));
8754 sprintf(buf, "qla4xxx_%lu_dpc", ha->host_no);
8755 ha->dpc_thread = create_singlethread_workqueue(buf);
8756 if (!ha->dpc_thread) {
Vikas Chaudharyc2660df2010-07-10 14:51:02 +0530[diff] [blame]8757 ql4_printk(KERN_WARNING, ha, "Unable to start DPC thread!\n");
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]8758 ret = -ENODEV;
Manish Rangankarb3a271a2011-07-25 13:48:53 -0500[diff] [blame]8759 goto remove_host;
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]8760 }
David Howellsc4028952006-11-22 14:57:56 +0000[diff] [blame]8761 INIT_WORK(&ha->dpc_work, qla4xxx_do_dpc);
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]8762
Kees Cookd8537542013-07-03 15:04:57 -0700[diff] [blame]8763 ha->task_wq = alloc_workqueue("qla4xxx_%lu_task", WQ_MEM_RECLAIM, 1,
8764 ha->host_no);
Manish Rangankarb3a271a2011-07-25 13:48:53 -0500[diff] [blame]8765 if (!ha->task_wq) {
8766 ql4_printk(KERN_WARNING, ha, "Unable to start task thread!\n");
8767 ret = -ENODEV;
8768 goto remove_host;
8769 }
8770
Vikas Chaudhary6e7b4292012-08-22 07:55:08 -0400[diff] [blame]8771 /*
8772 * For ISP-8XXX, request_irqs is called in qla4_8xxx_load_risc
Vikas Chaudharyf4f5df232010-07-28 15:53:44 +0530[diff] [blame]8773 * (which is called indirectly by qla4xxx_initialize_adapter),
8774 * so that irqs will be registered after crbinit but before
8775 * mbx_intr_enable.
8776 */
Vikas Chaudharyee996a62012-08-22 07:55:05 -0400[diff] [blame]8777 if (is_qla40XX(ha)) {
Vikas Chaudharyf4f5df232010-07-28 15:53:44 +0530[diff] [blame]8778 ret = qla4xxx_request_irqs(ha);
8779 if (ret) {
8780 ql4_printk(KERN_WARNING, ha, "Failed to reserve "
8781 "interrupt %d already in use.\n", pdev->irq);
Manish Rangankarb3a271a2011-07-25 13:48:53 -0500[diff] [blame]8782 goto remove_host;
Vikas Chaudharyf4f5df232010-07-28 15:53:44 +0530[diff] [blame]8783 }
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]8784 }
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]8785
Lalit Chandivade2232be02010-07-30 14:38:47 +0530[diff] [blame]8786 pci_save_state(ha->pdev);
Vikas Chaudharyf4f5df232010-07-28 15:53:44 +0530[diff] [blame]8787 ha->isp_ops->enable_intrs(ha);
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]8788
8789 /* Start timer thread. */
8790 qla4xxx_start_timer(ha, qla4xxx_timer, 1);
8791
8792 set_bit(AF_INIT_DONE, &ha->flags);
8793
Tej Parkash068237c82012-05-18 04:41:44 -0400[diff] [blame]8794 qla4_8xxx_alloc_sysfs_attr(ha);
8795
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]8796 printk(KERN_INFO
8797 " QLogic iSCSI HBA Driver version: %s\n"
8798 " QLogic ISP%04x @ %s, host#=%ld, fw=%02d.%02d.%02d.%02d\n",
8799 qla4xxx_version_str, ha->pdev->device, pci_name(ha->pdev),
Adheer Chandravanshieee06a02013-07-08 08:33:10 -0400[diff] [blame]8800 ha->host_no, ha->fw_info.fw_major, ha->fw_info.fw_minor,
8801 ha->fw_info.fw_patch, ha->fw_info.fw_build);
Vikas Chaudharyed1086e2011-07-25 13:48:41 -0500[diff] [blame]8802
Manish Dusanecfb27872012-09-20 07:35:01 -0400[diff] [blame]8803 /* Set the driver version */
8804 if (is_qla80XX(ha))
8805 qla4_8xxx_set_param(ha, SET_DRVR_VERSION);
8806
Manish Rangankar2a991c22011-07-25 13:48:55 -0500[diff] [blame]8807 if (qla4xxx_setup_boot_info(ha))
Vikas Chaudhary3573bfb2012-02-27 03:08:57 -0800[diff] [blame]8808 ql4_printk(KERN_ERR, ha,
8809 "%s: No iSCSI boot target configured\n", __func__);
Manish Rangankar2a991c22011-07-25 13:48:55 -0500[diff] [blame]8810
Adheer Chandravanshi1e9e2be2013-03-22 07:41:31 -0400[diff] [blame]8811 if (qla4xxx_sysfs_ddb_export(ha))
8812 ql4_printk(KERN_ERR, ha,
8813 "%s: Error exporting ddb to sysfs\n", __func__);
8814
Mike Christie13483732011-12-01 21:38:41 -0600[diff] [blame]8815 /* Perform the build ddb list and login to each */
8816 qla4xxx_build_ddb_list(ha, INIT_ADAPTER);
8817 iscsi_host_for_each_session(ha->host, qla4xxx_login_flash_ddb);
Manish Rangankar1dc8ed52013-01-20 23:51:03 -0500[diff] [blame]8818 qla4xxx_wait_login_resp_boot_tgt(ha);
Mike Christie13483732011-12-01 21:38:41 -0600[diff] [blame]8819
8820 qla4xxx_create_chap_list(ha);
8821
Vikas Chaudharyed1086e2011-07-25 13:48:41 -0500[diff] [blame]8822 qla4xxx_create_ifaces(ha);
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]8823 return 0;
8824
Manish Rangankarb3a271a2011-07-25 13:48:53 -0500[diff] [blame]8825remove_host:
8826 scsi_remove_host(ha->host);
8827
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]8828probe_failed:
8829 qla4xxx_free_adapter(ha);
Vikas Chaudharyf4f5df232010-07-28 15:53:44 +0530[diff] [blame]8830
8831probe_failed_ioconfig:
Lalit Chandivade2232be02010-07-30 14:38:47 +0530[diff] [blame]8832 pci_disable_pcie_error_reporting(pdev);
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]8833 scsi_host_put(ha->host);
8834
8835probe_disable_device:
8836 pci_disable_device(pdev);
8837
8838 return ret;
8839}
8840
8841/**
Karen Higgins7eece5a2011-03-21 03:34:29 -0700[diff] [blame]8842 * qla4xxx_prevent_other_port_reinit - prevent other port from re-initialize
8843 * @ha: pointer to adapter structure
8844 *
8845 * Mark the other ISP-4xxx port to indicate that the driver is being removed,
8846 * so that the other port will not re-initialize while in the process of
8847 * removing the ha due to driver unload or hba hotplug.
8848 **/
8849static void qla4xxx_prevent_other_port_reinit(struct scsi_qla_host *ha)
8850{
8851 struct scsi_qla_host *other_ha = NULL;
8852 struct pci_dev *other_pdev = NULL;
8853 int fn = ISP4XXX_PCI_FN_2;
8854
8855 /*iscsi function numbers for ISP4xxx is 1 and 3*/
8856 if (PCI_FUNC(ha->pdev->devfn) & BIT_1)
8857 fn = ISP4XXX_PCI_FN_1;
8858
8859 other_pdev =
8860 pci_get_domain_bus_and_slot(pci_domain_nr(ha->pdev->bus),
8861 ha->pdev->bus->number, PCI_DEVFN(PCI_SLOT(ha->pdev->devfn),
8862 fn));
8863
8864 /* Get other_ha if other_pdev is valid and state is enable*/
8865 if (other_pdev) {
8866 if (atomic_read(&other_pdev->enable_cnt)) {
8867 other_ha = pci_get_drvdata(other_pdev);
8868 if (other_ha) {
8869 set_bit(AF_HA_REMOVAL, &other_ha->flags);
8870 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: "
8871 "Prevent %s reinit\n", __func__,
8872 dev_name(&other_ha->pdev->dev)));
8873 }
8874 }
8875 pci_dev_put(other_pdev);
8876 }
8877}
8878
Mike Christie13483732011-12-01 21:38:41 -0600[diff] [blame]8879static void qla4xxx_destroy_fw_ddb_session(struct scsi_qla_host *ha)
8880{
8881 struct ddb_entry *ddb_entry;
8882 int options;
8883 int idx;
8884
8885 for (idx = 0; idx < MAX_DDB_ENTRIES; idx++) {
8886
8887 ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx);
8888 if ((ddb_entry != NULL) &&
8889 (ddb_entry->ddb_type == FLASH_DDB)) {
8890
8891 options = LOGOUT_OPTION_CLOSE_SESSION;
8892 if (qla4xxx_session_logout_ddb(ha, ddb_entry, options)
8893 == QLA_ERROR)
8894 ql4_printk(KERN_ERR, ha, "%s: Logout failed\n",
8895 __func__);
8896
8897 qla4xxx_clear_ddb_entry(ha, ddb_entry->fw_ddb_index);
8898 /*
8899 * we have decremented the reference count of the driver
8900 * when we setup the session to have the driver unload
8901 * to be seamless without actually destroying the
8902 * session
8903 **/
8904 try_module_get(qla4xxx_iscsi_transport.owner);
8905 iscsi_destroy_endpoint(ddb_entry->conn->ep);
8906 qla4xxx_free_ddb(ha, ddb_entry);
8907 iscsi_session_teardown(ddb_entry->sess);
8908 }
8909 }
8910}
Karen Higgins7eece5a2011-03-21 03:34:29 -0700[diff] [blame]8911/**
Masanari Iida59e13d42012-04-25 00:24:16 +0900[diff] [blame]8912 * qla4xxx_remove_adapter - callback function to remove adapter.
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]8913 * @pci_dev: PCI device pointer
8914 **/
Greg Kroah-Hartman6f039792012-12-21 13:08:55 -0800[diff] [blame]8915static void qla4xxx_remove_adapter(struct pci_dev *pdev)
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]8916{
8917 struct scsi_qla_host *ha;
8918
Vikas Chaudharyf8b07512012-09-20 07:35:08 -0400[diff] [blame]8919 /*
8920 * If the PCI device is disabled then it means probe_adapter had
8921 * failed and resources already cleaned up on probe_adapter exit.
8922 */
8923 if (!pci_is_enabled(pdev))
8924 return;
8925
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]8926 ha = pci_get_drvdata(pdev);
8927
Vikas Chaudharyee996a62012-08-22 07:55:05 -0400[diff] [blame]8928 if (is_qla40XX(ha))
Karen Higgins7eece5a2011-03-21 03:34:29 -0700[diff] [blame]8929 qla4xxx_prevent_other_port_reinit(ha);
David C Somayajulubee4fe82007-05-23 18:03:32 -0700[diff] [blame]8930
Vikas Chaudharyed1086e2011-07-25 13:48:41 -0500[diff] [blame]8931 /* destroy iface from sysfs */
8932 qla4xxx_destroy_ifaces(ha);
8933
Mike Christie13483732011-12-01 21:38:41 -0600[diff] [blame]8934 if ((!ql4xdisablesysfsboot) && ha->boot_kset)
Manish Rangankar2a991c22011-07-25 13:48:55 -0500[diff] [blame]8935 iscsi_boot_destroy_kset(ha->boot_kset);
8936
Mike Christie13483732011-12-01 21:38:41 -0600[diff] [blame]8937 qla4xxx_destroy_fw_ddb_session(ha);
Tej Parkash068237c82012-05-18 04:41:44 -0400[diff] [blame]8938 qla4_8xxx_free_sysfs_attr(ha);
Mike Christie13483732011-12-01 21:38:41 -0600[diff] [blame]8939
Adheer Chandravanshi1e9e2be2013-03-22 07:41:31 -0400[diff] [blame]8940 qla4xxx_sysfs_ddb_remove(ha);
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]8941 scsi_remove_host(ha->host);
8942
8943 qla4xxx_free_adapter(ha);
8944
8945 scsi_host_put(ha->host);
8946
Lalit Chandivade2232be02010-07-30 14:38:47 +0530[diff] [blame]8947 pci_disable_pcie_error_reporting(pdev);
Vikas Chaudharyf4f5df232010-07-28 15:53:44 +0530[diff] [blame]8948 pci_disable_device(pdev);
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]8949}
8950
8951/**
8952 * qla4xxx_config_dma_addressing() - Configure OS DMA addressing method.
8953 * @ha: HA context
8954 *
8955 * At exit, the @ha's flags.enable_64bit_addressing set to indicated
8956 * supported addressing method.
8957 */
Adrian Bunk47975472007-04-26 00:35:16 -0700[diff] [blame]8958static void qla4xxx_config_dma_addressing(struct scsi_qla_host *ha)
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]8959{
8960 int retval;
8961
8962 /* Update our PCI device dma_mask for full 64 bit mask */
Yang Hongyang6a355282009-04-06 19:01:13 -0700[diff] [blame]8963 if (pci_set_dma_mask(ha->pdev, DMA_BIT_MASK(64)) == 0) {
8964 if (pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(64))) {
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]8965 dev_dbg(&ha->pdev->dev,
8966 "Failed to set 64 bit PCI consistent mask; "
8967 "using 32 bit.\n");
8968 retval = pci_set_consistent_dma_mask(ha->pdev,
Yang Hongyang284901a2009-04-06 19:01:15 -0700[diff] [blame]8969 DMA_BIT_MASK(32));
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]8970 }
8971 } else
Yang Hongyang284901a2009-04-06 19:01:15 -0700[diff] [blame]8972 retval = pci_set_dma_mask(ha->pdev, DMA_BIT_MASK(32));
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]8973}
8974
8975static int qla4xxx_slave_alloc(struct scsi_device *sdev)
8976{
Manish Rangankarb3a271a2011-07-25 13:48:53 -0500[diff] [blame]8977 struct iscsi_cls_session *cls_sess;
8978 struct iscsi_session *sess;
8979 struct ddb_entry *ddb;
Vikas Chaudhary8bb40332011-03-21 03:34:31 -0700[diff] [blame]8980 int queue_depth = QL4_DEF_QDEPTH;
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]8981
Manish Rangankarb3a271a2011-07-25 13:48:53 -0500[diff] [blame]8982 cls_sess = starget_to_session(sdev->sdev_target);
8983 sess = cls_sess->dd_data;
8984 ddb = sess->dd_data;
8985
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]8986 sdev->hostdata = ddb;
8987 sdev->tagged_supported = 1;
Vikas Chaudhary8bb40332011-03-21 03:34:31 -0700[diff] [blame]8988
8989 if (ql4xmaxqdepth != 0 && ql4xmaxqdepth <= 0xffffU)
8990 queue_depth = ql4xmaxqdepth;
8991
8992 scsi_activate_tcq(sdev, queue_depth);
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]8993 return 0;
8994}
8995
8996static int qla4xxx_slave_configure(struct scsi_device *sdev)
8997{
8998 sdev->tagged_supported = 1;
8999 return 0;
9000}
9001
9002static void qla4xxx_slave_destroy(struct scsi_device *sdev)
9003{
9004 scsi_deactivate_tcq(sdev, 1);
9005}
9006
Tej Parkashf7b4aa62012-04-30 04:12:19 -0700[diff] [blame]9007static int qla4xxx_change_queue_depth(struct scsi_device *sdev, int qdepth,
9008 int reason)
9009{
9010 if (!ql4xqfulltracking)
9011 return -EOPNOTSUPP;
9012
9013 return iscsi_change_queue_depth(sdev, qdepth, reason);
9014}
9015
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]9016/**
9017 * qla4xxx_del_from_active_array - returns an active srb
9018 * @ha: Pointer to host adapter structure.
Anand Gadiyarfd589a82009-07-16 17:13:03 +0200[diff] [blame]9019 * @index: index into the active_array
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]9020 *
9021 * This routine removes and returns the srb at the specified index
9022 **/
Vikas Chaudharyf4f5df232010-07-28 15:53:44 +0530[diff] [blame]9023struct srb *qla4xxx_del_from_active_array(struct scsi_qla_host *ha,
9024 uint32_t index)
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]9025{
9026 struct srb *srb = NULL;
Vikas Chaudhary53698872010-04-28 11:41:59 +0530[diff] [blame]9027 struct scsi_cmnd *cmd = NULL;
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]9028
Vikas Chaudhary53698872010-04-28 11:41:59 +0530[diff] [blame]9029 cmd = scsi_host_find_tag(ha->host, index);
9030 if (!cmd)
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]9031 return srb;
9032
Vikas Chaudhary53698872010-04-28 11:41:59 +0530[diff] [blame]9033 srb = (struct srb *)CMD_SP(cmd);
9034 if (!srb)
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]9035 return srb;
9036
9037 /* update counters */
9038 if (srb->flags & SRB_DMA_VALID) {
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]9039 ha->iocb_cnt -= srb->iocb_cnt;
9040 if (srb->cmd)
Vikas Chaudhary53698872010-04-28 11:41:59 +0530[diff] [blame]9041 srb->cmd->host_scribble =
9042 (unsigned char *)(unsigned long) MAX_SRBS;
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]9043 }
9044 return srb;
9045}
9046
9047/**
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]9048 * qla4xxx_eh_wait_on_command - waits for command to be returned by firmware
Vikas Chaudhary09a0f712010-04-28 11:42:24 +0530[diff] [blame]9049 * @ha: Pointer to host adapter structure.
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]9050 * @cmd: Scsi Command to wait on.
9051 *
9052 * This routine waits for the command to be returned by the Firmware
9053 * for some max time.
9054 **/
9055static int qla4xxx_eh_wait_on_command(struct scsi_qla_host *ha,
9056 struct scsi_cmnd *cmd)
9057{
9058 int done = 0;
9059 struct srb *rp;
9060 uint32_t max_wait_time = EH_WAIT_CMD_TOV;
Lalit Chandivade2232be02010-07-30 14:38:47 +0530[diff] [blame]9061 int ret = SUCCESS;
9062
9063 /* Dont wait on command if PCI error is being handled
9064 * by PCI AER driver
9065 */
9066 if (unlikely(pci_channel_offline(ha->pdev)) ||
9067 (test_bit(AF_EEH_BUSY, &ha->flags))) {
9068 ql4_printk(KERN_WARNING, ha, "scsi%ld: Return from %s\n",
9069 ha->host_no, __func__);
9070 return ret;
9071 }
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]9072
9073 do {
9074 /* Checking to see if its returned to OS */
Vikas Chaudhary53698872010-04-28 11:41:59 +0530[diff] [blame]9075 rp = (struct srb *) CMD_SP(cmd);
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]9076 if (rp == NULL) {
9077 done++;
9078 break;
9079 }
9080
9081 msleep(2000);
9082 } while (max_wait_time--);
9083
9084 return done;
9085}
9086
9087/**
9088 * qla4xxx_wait_for_hba_online - waits for HBA to come online
9089 * @ha: Pointer to host adapter structure
9090 **/
9091static int qla4xxx_wait_for_hba_online(struct scsi_qla_host *ha)
9092{
9093 unsigned long wait_online;
9094
Vikas Chaudharyf581a3f2010-10-06 22:47:48 -0700[diff] [blame]9095 wait_online = jiffies + (HBA_ONLINE_TOV * HZ);
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]9096 while (time_before(jiffies, wait_online)) {
9097
9098 if (adapter_up(ha))
9099 return QLA_SUCCESS;
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]9100
9101 msleep(2000);
9102 }
9103
9104 return QLA_ERROR;
9105}
9106
9107/**
Mike Christiece545032008-02-29 18:25:20 -0600[diff] [blame]9108 * qla4xxx_eh_wait_for_commands - wait for active cmds to finish.
Anand Gadiyarfd589a82009-07-16 17:13:03 +0200[diff] [blame]9109 * @ha: pointer to HBA
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]9110 * @t: target id
9111 * @l: lun id
9112 *
9113 * This function waits for all outstanding commands to a lun to complete. It
9114 * returns 0 if all pending commands are returned and 1 otherwise.
9115 **/
Mike Christiece545032008-02-29 18:25:20 -0600[diff] [blame]9116static int qla4xxx_eh_wait_for_commands(struct scsi_qla_host *ha,
9117 struct scsi_target *stgt,
9118 struct scsi_device *sdev)
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]9119{
9120 int cnt;
9121 int status = 0;
9122 struct scsi_cmnd *cmd;
9123
9124 /*
Mike Christiece545032008-02-29 18:25:20 -0600[diff] [blame]9125 * Waiting for all commands for the designated target or dev
9126 * in the active array
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]9127 */
9128 for (cnt = 0; cnt < ha->host->can_queue; cnt++) {
9129 cmd = scsi_host_find_tag(ha->host, cnt);
Mike Christiece545032008-02-29 18:25:20 -0600[diff] [blame]9130 if (cmd && stgt == scsi_target(cmd->device) &&
9131 (!sdev || sdev == cmd->device)) {
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]9132 if (!qla4xxx_eh_wait_on_command(ha, cmd)) {
9133 status++;
9134 break;
9135 }
9136 }
9137 }
9138 return status;
9139}
9140
9141/**
Vikas Chaudhary09a0f712010-04-28 11:42:24 +0530[diff] [blame]9142 * qla4xxx_eh_abort - callback for abort task.
9143 * @cmd: Pointer to Linux's SCSI command structure
9144 *
9145 * This routine is called by the Linux OS to abort the specified
9146 * command.
9147 **/
9148static int qla4xxx_eh_abort(struct scsi_cmnd *cmd)
9149{
9150 struct scsi_qla_host *ha = to_qla_host(cmd->device->host);
9151 unsigned int id = cmd->device->id;
9152 unsigned int lun = cmd->device->lun;
Mike Christie92b3e5b2010-10-06 22:51:17 -0700[diff] [blame]9153 unsigned long flags;
Vikas Chaudhary09a0f712010-04-28 11:42:24 +0530[diff] [blame]9154 struct srb *srb = NULL;
9155 int ret = SUCCESS;
9156 int wait = 0;
9157
Vikas Chaudharyc2660df2010-07-10 14:51:02 +0530[diff] [blame]9158 ql4_printk(KERN_INFO, ha,
Christoph Hellwig5cd049a2011-04-04 09:42:14 -0400[diff] [blame]9159 "scsi%ld:%d:%d: Abort command issued cmd=%p\n",
9160 ha->host_no, id, lun, cmd);
Vikas Chaudhary09a0f712010-04-28 11:42:24 +0530[diff] [blame]9161
Mike Christie92b3e5b2010-10-06 22:51:17 -0700[diff] [blame]9162 spin_lock_irqsave(&ha->hardware_lock, flags);
Vikas Chaudhary09a0f712010-04-28 11:42:24 +0530[diff] [blame]9163 srb = (struct srb *) CMD_SP(cmd);
Mike Christie92b3e5b2010-10-06 22:51:17 -0700[diff] [blame]9164 if (!srb) {
9165 spin_unlock_irqrestore(&ha->hardware_lock, flags);
Vikas Chaudhary09a0f712010-04-28 11:42:24 +0530[diff] [blame]9166 return SUCCESS;
Mike Christie92b3e5b2010-10-06 22:51:17 -0700[diff] [blame]9167 }
Vikas Chaudhary09a0f712010-04-28 11:42:24 +0530[diff] [blame]9168 kref_get(&srb->srb_ref);
Mike Christie92b3e5b2010-10-06 22:51:17 -0700[diff] [blame]9169 spin_unlock_irqrestore(&ha->hardware_lock, flags);
Vikas Chaudhary09a0f712010-04-28 11:42:24 +0530[diff] [blame]9170
9171 if (qla4xxx_abort_task(ha, srb) != QLA_SUCCESS) {
9172 DEBUG3(printk("scsi%ld:%d:%d: Abort_task mbx failed.\n",
9173 ha->host_no, id, lun));
9174 ret = FAILED;
9175 } else {
9176 DEBUG3(printk("scsi%ld:%d:%d: Abort_task mbx success.\n",
9177 ha->host_no, id, lun));
9178 wait = 1;
9179 }
9180
9181 kref_put(&srb->srb_ref, qla4xxx_srb_compl);
9182
9183 /* Wait for command to complete */
9184 if (wait) {
9185 if (!qla4xxx_eh_wait_on_command(ha, cmd)) {
9186 DEBUG2(printk("scsi%ld:%d:%d: Abort handler timed out\n",
9187 ha->host_no, id, lun));
9188 ret = FAILED;
9189 }
9190 }
9191
Vikas Chaudharyc2660df2010-07-10 14:51:02 +0530[diff] [blame]9192 ql4_printk(KERN_INFO, ha,
Vikas Chaudhary09a0f712010-04-28 11:42:24 +0530[diff] [blame]9193 "scsi%ld:%d:%d: Abort command - %s\n",
Lucas De Marchi25985ed2011-03-30 22:57:33 -0300[diff] [blame]9194 ha->host_no, id, lun, (ret == SUCCESS) ? "succeeded" : "failed");
Vikas Chaudhary09a0f712010-04-28 11:42:24 +0530[diff] [blame]9195
9196 return ret;
9197}
9198
9199/**
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]9200 * qla4xxx_eh_device_reset - callback for target reset.
9201 * @cmd: Pointer to Linux's SCSI command structure
9202 *
9203 * This routine is called by the Linux OS to reset all luns on the
9204 * specified target.
9205 **/
9206static int qla4xxx_eh_device_reset(struct scsi_cmnd *cmd)
9207{
9208 struct scsi_qla_host *ha = to_qla_host(cmd->device->host);
9209 struct ddb_entry *ddb_entry = cmd->device->hostdata;
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]9210 int ret = FAILED, stat;
9211
Karen Higgins612f7342009-07-15 15:03:01 -0500[diff] [blame]9212 if (!ddb_entry)
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]9213 return ret;
9214
Mike Christiec01be6d2010-07-22 16:59:49 +0530[diff] [blame]9215 ret = iscsi_block_scsi_eh(cmd);
9216 if (ret)
9217 return ret;
9218 ret = FAILED;
9219
Vikas Chaudharyc2660df2010-07-10 14:51:02 +0530[diff] [blame]9220 ql4_printk(KERN_INFO, ha,
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]9221 "scsi%ld:%d:%d:%d: DEVICE RESET ISSUED.\n", ha->host_no,
9222 cmd->device->channel, cmd->device->id, cmd->device->lun);
9223
9224 DEBUG2(printk(KERN_INFO
9225 "scsi%ld: DEVICE_RESET cmd=%p jiffies = 0x%lx, to=%x,"
9226 "dpc_flags=%lx, status=%x allowed=%d\n", ha->host_no,
Jens Axboe242f9dc2008-09-14 05:55:09 -0700[diff] [blame]9227 cmd, jiffies, cmd->request->timeout / HZ,
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]9228 ha->dpc_flags, cmd->result, cmd->allowed));
9229
9230 /* FIXME: wait for hba to go online */
9231 stat = qla4xxx_reset_lun(ha, ddb_entry, cmd->device->lun);
9232 if (stat != QLA_SUCCESS) {
Vikas Chaudharyc2660df2010-07-10 14:51:02 +0530[diff] [blame]9233 ql4_printk(KERN_INFO, ha, "DEVICE RESET FAILED. %d\n", stat);
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]9234 goto eh_dev_reset_done;
9235 }
9236
Mike Christiece545032008-02-29 18:25:20 -0600[diff] [blame]9237 if (qla4xxx_eh_wait_for_commands(ha, scsi_target(cmd->device),
9238 cmd->device)) {
Vikas Chaudharyc2660df2010-07-10 14:51:02 +0530[diff] [blame]9239 ql4_printk(KERN_INFO, ha,
Mike Christiece545032008-02-29 18:25:20 -0600[diff] [blame]9240 "DEVICE RESET FAILED - waiting for "
9241 "commands.\n");
9242 goto eh_dev_reset_done;
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]9243 }
9244
David C Somayajulu9d562912008-03-19 11:23:03 -0700[diff] [blame]9245 /* Send marker. */
9246 if (qla4xxx_send_marker_iocb(ha, ddb_entry, cmd->device->lun,
9247 MM_LUN_RESET) != QLA_SUCCESS)
9248 goto eh_dev_reset_done;
9249
Vikas Chaudharyc2660df2010-07-10 14:51:02 +0530[diff] [blame]9250 ql4_printk(KERN_INFO, ha,
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]9251 "scsi(%ld:%d:%d:%d): DEVICE RESET SUCCEEDED.\n",
9252 ha->host_no, cmd->device->channel, cmd->device->id,
9253 cmd->device->lun);
9254
9255 ret = SUCCESS;
9256
9257eh_dev_reset_done:
9258
9259 return ret;
9260}
9261
9262/**
Mike Christiece545032008-02-29 18:25:20 -0600[diff] [blame]9263 * qla4xxx_eh_target_reset - callback for target reset.
9264 * @cmd: Pointer to Linux's SCSI command structure
9265 *
9266 * This routine is called by the Linux OS to reset the target.
9267 **/
9268static int qla4xxx_eh_target_reset(struct scsi_cmnd *cmd)
9269{
9270 struct scsi_qla_host *ha = to_qla_host(cmd->device->host);
9271 struct ddb_entry *ddb_entry = cmd->device->hostdata;
Mike Christiec01be6d2010-07-22 16:59:49 +0530[diff] [blame]9272 int stat, ret;
Mike Christiece545032008-02-29 18:25:20 -0600[diff] [blame]9273
9274 if (!ddb_entry)
9275 return FAILED;
9276
Mike Christiec01be6d2010-07-22 16:59:49 +0530[diff] [blame]9277 ret = iscsi_block_scsi_eh(cmd);
9278 if (ret)
9279 return ret;
9280
Mike Christiece545032008-02-29 18:25:20 -0600[diff] [blame]9281 starget_printk(KERN_INFO, scsi_target(cmd->device),
9282 "WARM TARGET RESET ISSUED.\n");
9283
9284 DEBUG2(printk(KERN_INFO
9285 "scsi%ld: TARGET_DEVICE_RESET cmd=%p jiffies = 0x%lx, "
9286 "to=%x,dpc_flags=%lx, status=%x allowed=%d\n",
Jens Axboe242f9dc2008-09-14 05:55:09 -0700[diff] [blame]9287 ha->host_no, cmd, jiffies, cmd->request->timeout / HZ,
Mike Christiece545032008-02-29 18:25:20 -0600[diff] [blame]9288 ha->dpc_flags, cmd->result, cmd->allowed));
9289
9290 stat = qla4xxx_reset_target(ha, ddb_entry);
9291 if (stat != QLA_SUCCESS) {
9292 starget_printk(KERN_INFO, scsi_target(cmd->device),
9293 "WARM TARGET RESET FAILED.\n");
9294 return FAILED;
9295 }
9296
Mike Christiece545032008-02-29 18:25:20 -0600[diff] [blame]9297 if (qla4xxx_eh_wait_for_commands(ha, scsi_target(cmd->device),
9298 NULL)) {
9299 starget_printk(KERN_INFO, scsi_target(cmd->device),
9300 "WARM TARGET DEVICE RESET FAILED - "
9301 "waiting for commands.\n");
9302 return FAILED;
9303 }
9304
David C Somayajulu9d562912008-03-19 11:23:03 -0700[diff] [blame]9305 /* Send marker. */
9306 if (qla4xxx_send_marker_iocb(ha, ddb_entry, cmd->device->lun,
9307 MM_TGT_WARM_RESET) != QLA_SUCCESS) {
9308 starget_printk(KERN_INFO, scsi_target(cmd->device),
9309 "WARM TARGET DEVICE RESET FAILED - "
9310 "marker iocb failed.\n");
9311 return FAILED;
9312 }
9313
Mike Christiece545032008-02-29 18:25:20 -0600[diff] [blame]9314 starget_printk(KERN_INFO, scsi_target(cmd->device),
9315 "WARM TARGET RESET SUCCEEDED.\n");
9316 return SUCCESS;
9317}
9318
9319/**
Sarang Radke8a28896012011-12-06 02:34:10 -0800[diff] [blame]9320 * qla4xxx_is_eh_active - check if error handler is running
9321 * @shost: Pointer to SCSI Host struct
9322 *
9323 * This routine finds that if reset host is called in EH
9324 * scenario or from some application like sg_reset
9325 **/
9326static int qla4xxx_is_eh_active(struct Scsi_Host *shost)
9327{
9328 if (shost->shost_state == SHOST_RECOVERY)
9329 return 1;
9330 return 0;
9331}
9332
9333/**
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]9334 * qla4xxx_eh_host_reset - kernel callback
9335 * @cmd: Pointer to Linux's SCSI command structure
9336 *
9337 * This routine is invoked by the Linux kernel to perform fatal error
9338 * recovery on the specified adapter.
9339 **/
9340static int qla4xxx_eh_host_reset(struct scsi_cmnd *cmd)
9341{
9342 int return_status = FAILED;
9343 struct scsi_qla_host *ha;
9344
Manish Rangankarb3a271a2011-07-25 13:48:53 -0500[diff] [blame]9345 ha = to_qla_host(cmd->device->host);
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]9346
Vikas Chaudharyb37ca412013-08-16 07:03:02 -0400[diff] [blame]9347 if ((is_qla8032(ha) || is_qla8042(ha)) && ql4xdontresethba)
Vikas Chaudhary6e7b4292012-08-22 07:55:08 -0400[diff] [blame]9348 qla4_83xx_set_idc_dontreset(ha);
9349
9350 /*
Vikas Chaudharyb37ca412013-08-16 07:03:02 -0400[diff] [blame]9351 * For ISP8324 and ISP8042, if IDC_CTRL DONTRESET_BIT0 is set by other
9352 * protocol drivers, we should not set device_state to NEED_RESET
Vikas Chaudhary6e7b4292012-08-22 07:55:08 -0400[diff] [blame]9353 */
9354 if (ql4xdontresethba ||
Vikas Chaudharyb37ca412013-08-16 07:03:02 -0400[diff] [blame]9355 ((is_qla8032(ha) || is_qla8042(ha)) &&
9356 qla4_83xx_idc_dontreset(ha))) {
Vikas Chaudharyf4f5df232010-07-28 15:53:44 +0530[diff] [blame]9357 DEBUG2(printk("scsi%ld: %s: Don't Reset HBA\n",
9358 ha->host_no, __func__));
Sarang Radke8a28896012011-12-06 02:34:10 -0800[diff] [blame]9359
9360 /* Clear outstanding srb in queues */
9361 if (qla4xxx_is_eh_active(cmd->device->host))
9362 qla4xxx_abort_active_cmds(ha, DID_ABORT << 16);
9363
Vikas Chaudharyf4f5df232010-07-28 15:53:44 +0530[diff] [blame]9364 return FAILED;
9365 }
9366
Vikas Chaudharyc2660df2010-07-10 14:51:02 +0530[diff] [blame]9367 ql4_printk(KERN_INFO, ha,
Karen Higginsdca05c42009-07-15 15:03:00 -0500[diff] [blame]9368 "scsi(%ld:%d:%d:%d): HOST RESET ISSUED.\n", ha->host_no,
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]9369 cmd->device->channel, cmd->device->id, cmd->device->lun);
9370
9371 if (qla4xxx_wait_for_hba_online(ha) != QLA_SUCCESS) {
9372 DEBUG2(printk("scsi%ld:%d: %s: Unable to reset host. Adapter "
9373 "DEAD.\n", ha->host_no, cmd->device->channel,
9374 __func__));
9375
9376 return FAILED;
9377 }
9378
Vikas Chaudharyf4f5df232010-07-28 15:53:44 +0530[diff] [blame]9379 if (!test_bit(DPC_RESET_HA, &ha->dpc_flags)) {
Vikas Chaudhary6e7b4292012-08-22 07:55:08 -0400[diff] [blame]9380 if (is_qla80XX(ha))
Vikas Chaudharyf4f5df232010-07-28 15:53:44 +0530[diff] [blame]9381 set_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags);
9382 else
9383 set_bit(DPC_RESET_HA, &ha->dpc_flags);
9384 }
Mike Christie50a29ae2008-03-04 13:26:53 -0600[diff] [blame]9385
Vikas Chaudharyf4f5df232010-07-28 15:53:44 +0530[diff] [blame]9386 if (qla4xxx_recover_adapter(ha) == QLA_SUCCESS)
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]9387 return_status = SUCCESS;
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]9388
Vikas Chaudharyc2660df2010-07-10 14:51:02 +0530[diff] [blame]9389 ql4_printk(KERN_INFO, ha, "HOST RESET %s.\n",
Lucas De Marchi25985ed2011-03-30 22:57:33 -0300[diff] [blame]9390 return_status == FAILED ? "FAILED" : "SUCCEEDED");
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]9391
9392 return return_status;
9393}
9394
Vikas Chaudhary95d31262011-08-12 02:51:29 -0700[diff] [blame]9395static int qla4xxx_context_reset(struct scsi_qla_host *ha)
9396{
9397 uint32_t mbox_cmd[MBOX_REG_COUNT];
9398 uint32_t mbox_sts[MBOX_REG_COUNT];
9399 struct addr_ctrl_blk_def *acb = NULL;
9400 uint32_t acb_len = sizeof(struct addr_ctrl_blk_def);
9401 int rval = QLA_SUCCESS;
9402 dma_addr_t acb_dma;
9403
9404 acb = dma_alloc_coherent(&ha->pdev->dev,
9405 sizeof(struct addr_ctrl_blk_def),
9406 &acb_dma, GFP_KERNEL);
9407 if (!acb) {
9408 ql4_printk(KERN_ERR, ha, "%s: Unable to alloc acb\n",
9409 __func__);
9410 rval = -ENOMEM;
9411 goto exit_port_reset;
9412 }
9413
9414 memset(acb, 0, acb_len);
9415
9416 rval = qla4xxx_get_acb(ha, acb_dma, PRIMARI_ACB, acb_len);
9417 if (rval != QLA_SUCCESS) {
9418 rval = -EIO;
9419 goto exit_free_acb;
9420 }
9421
9422 rval = qla4xxx_disable_acb(ha);
9423 if (rval != QLA_SUCCESS) {
9424 rval = -EIO;
9425 goto exit_free_acb;
9426 }
9427
9428 wait_for_completion_timeout(&ha->disable_acb_comp,
9429 DISABLE_ACB_TOV * HZ);
9430
9431 rval = qla4xxx_set_acb(ha, &mbox_cmd[0], &mbox_sts[0], acb_dma);
9432 if (rval != QLA_SUCCESS) {
9433 rval = -EIO;
9434 goto exit_free_acb;
9435 }
9436
9437exit_free_acb:
9438 dma_free_coherent(&ha->pdev->dev, sizeof(struct addr_ctrl_blk_def),
9439 acb, acb_dma);
9440exit_port_reset:
9441 DEBUG2(ql4_printk(KERN_INFO, ha, "%s %s\n", __func__,
9442 rval == QLA_SUCCESS ? "SUCCEEDED" : "FAILED"));
9443 return rval;
9444}
9445
9446static int qla4xxx_host_reset(struct Scsi_Host *shost, int reset_type)
9447{
9448 struct scsi_qla_host *ha = to_qla_host(shost);
9449 int rval = QLA_SUCCESS;
Vikas Chaudharyebd777d2013-03-07 05:43:09 -0500[diff] [blame]9450 uint32_t idc_ctrl;
Vikas Chaudhary95d31262011-08-12 02:51:29 -0700[diff] [blame]9451
9452 if (ql4xdontresethba) {
9453 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Don't Reset HBA\n",
9454 __func__));
9455 rval = -EPERM;
9456 goto exit_host_reset;
9457 }
9458
Vikas Chaudhary95d31262011-08-12 02:51:29 -0700[diff] [blame]9459 if (test_bit(DPC_RESET_HA, &ha->dpc_flags))
9460 goto recover_adapter;
9461
9462 switch (reset_type) {
9463 case SCSI_ADAPTER_RESET:
9464 set_bit(DPC_RESET_HA, &ha->dpc_flags);
9465 break;
9466 case SCSI_FIRMWARE_RESET:
9467 if (!test_bit(DPC_RESET_HA, &ha->dpc_flags)) {
Vikas Chaudhary6e7b4292012-08-22 07:55:08 -0400[diff] [blame]9468 if (is_qla80XX(ha))
Vikas Chaudhary95d31262011-08-12 02:51:29 -0700[diff] [blame]9469 /* set firmware context reset */
9470 set_bit(DPC_RESET_HA_FW_CONTEXT,
9471 &ha->dpc_flags);
9472 else {
9473 rval = qla4xxx_context_reset(ha);
9474 goto exit_host_reset;
9475 }
9476 }
9477 break;
9478 }
9479
9480recover_adapter:
Vikas Chaudharyb37ca412013-08-16 07:03:02 -0400[diff] [blame]9481 /* For ISP8324 and ISP8042 set graceful reset bit in IDC_DRV_CTRL if
Vikas Chaudharyebd777d2013-03-07 05:43:09 -0500[diff] [blame]9482 * reset is issued by application */
Vikas Chaudharyb37ca412013-08-16 07:03:02 -0400[diff] [blame]9483 if ((is_qla8032(ha) || is_qla8042(ha)) &&
9484 test_bit(DPC_RESET_HA, &ha->dpc_flags)) {
Vikas Chaudharyebd777d2013-03-07 05:43:09 -0500[diff] [blame]9485 idc_ctrl = qla4_83xx_rd_reg(ha, QLA83XX_IDC_DRV_CTRL);
9486 qla4_83xx_wr_reg(ha, QLA83XX_IDC_DRV_CTRL,
9487 (idc_ctrl | GRACEFUL_RESET_BIT1));
9488 }
9489
Vikas Chaudhary95d31262011-08-12 02:51:29 -0700[diff] [blame]9490 rval = qla4xxx_recover_adapter(ha);
9491 if (rval != QLA_SUCCESS) {
9492 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: recover adapter fail\n",
9493 __func__));
9494 rval = -EIO;
9495 }
9496
9497exit_host_reset:
9498 return rval;
9499}
9500
Lalit Chandivade2232be02010-07-30 14:38:47 +0530[diff] [blame]9501/* PCI AER driver recovers from all correctable errors w/o
9502 * driver intervention. For uncorrectable errors PCI AER
9503 * driver calls the following device driver's callbacks
9504 *
9505 * - Fatal Errors - link_reset
9506 * - Non-Fatal Errors - driver's pci_error_detected() which
9507 * returns CAN_RECOVER, NEED_RESET or DISCONNECT.
9508 *
9509 * PCI AER driver calls
9510 * CAN_RECOVER - driver's pci_mmio_enabled(), mmio_enabled
9511 * returns RECOVERED or NEED_RESET if fw_hung
9512 * NEED_RESET - driver's slot_reset()
9513 * DISCONNECT - device is dead & cannot recover
9514 * RECOVERED - driver's pci_resume()
9515 */
9516static pci_ers_result_t
9517qla4xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
9518{
9519 struct scsi_qla_host *ha = pci_get_drvdata(pdev);
9520
9521 ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: error detected:state %x\n",
9522 ha->host_no, __func__, state);
9523
9524 if (!is_aer_supported(ha))
9525 return PCI_ERS_RESULT_NONE;
9526
9527 switch (state) {
9528 case pci_channel_io_normal:
9529 clear_bit(AF_EEH_BUSY, &ha->flags);
9530 return PCI_ERS_RESULT_CAN_RECOVER;
9531 case pci_channel_io_frozen:
9532 set_bit(AF_EEH_BUSY, &ha->flags);
9533 qla4xxx_mailbox_premature_completion(ha);
9534 qla4xxx_free_irqs(ha);
9535 pci_disable_device(pdev);
Vikas Chaudhary7b3595d2010-10-06 22:50:56 -0700[diff] [blame]9536 /* Return back all IOs */
9537 qla4xxx_abort_active_cmds(ha, DID_RESET << 16);
Lalit Chandivade2232be02010-07-30 14:38:47 +0530[diff] [blame]9538 return PCI_ERS_RESULT_NEED_RESET;
9539 case pci_channel_io_perm_failure:
9540 set_bit(AF_EEH_BUSY, &ha->flags);
9541 set_bit(AF_PCI_CHANNEL_IO_PERM_FAILURE, &ha->flags);
9542 qla4xxx_abort_active_cmds(ha, DID_NO_CONNECT << 16);
9543 return PCI_ERS_RESULT_DISCONNECT;
9544 }
9545 return PCI_ERS_RESULT_NEED_RESET;
9546}
9547
9548/**
9549 * qla4xxx_pci_mmio_enabled() gets called if
9550 * qla4xxx_pci_error_detected() returns PCI_ERS_RESULT_CAN_RECOVER
9551 * and read/write to the device still works.
9552 **/
9553static pci_ers_result_t
9554qla4xxx_pci_mmio_enabled(struct pci_dev *pdev)
9555{
9556 struct scsi_qla_host *ha = pci_get_drvdata(pdev);
9557
9558 if (!is_aer_supported(ha))
9559 return PCI_ERS_RESULT_NONE;
9560
Vikas Chaudhary7b3595d2010-10-06 22:50:56 -0700[diff] [blame]9561 return PCI_ERS_RESULT_RECOVERED;
Lalit Chandivade2232be02010-07-30 14:38:47 +0530[diff] [blame]9562}
9563
Vikas Chaudhary7b3595d2010-10-06 22:50:56 -0700[diff] [blame]9564static uint32_t qla4_8xxx_error_recovery(struct scsi_qla_host *ha)
Lalit Chandivade2232be02010-07-30 14:38:47 +0530[diff] [blame]9565{
9566 uint32_t rval = QLA_ERROR;
9567 int fn;
9568 struct pci_dev *other_pdev = NULL;
9569
9570 ql4_printk(KERN_WARNING, ha, "scsi%ld: In %s\n", ha->host_no, __func__);
9571
9572 set_bit(DPC_RESET_ACTIVE, &ha->dpc_flags);
9573
9574 if (test_bit(AF_ONLINE, &ha->flags)) {
9575 clear_bit(AF_ONLINE, &ha->flags);
Manish Rangankarb3a271a2011-07-25 13:48:53 -0500[diff] [blame]9576 clear_bit(AF_LINK_UP, &ha->flags);
9577 iscsi_host_for_each_session(ha->host, qla4xxx_fail_session);
Lalit Chandivade2232be02010-07-30 14:38:47 +0530[diff] [blame]9578 qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS);
Lalit Chandivade2232be02010-07-30 14:38:47 +0530[diff] [blame]9579 }
9580
9581 fn = PCI_FUNC(ha->pdev->devfn);
9582 while (fn > 0) {
9583 fn--;
9584 ql4_printk(KERN_INFO, ha, "scsi%ld: %s: Finding PCI device at "
9585 "func %x\n", ha->host_no, __func__, fn);
9586 /* Get the pci device given the domain, bus,
9587 * slot/function number */
9588 other_pdev =
9589 pci_get_domain_bus_and_slot(pci_domain_nr(ha->pdev->bus),
9590 ha->pdev->bus->number, PCI_DEVFN(PCI_SLOT(ha->pdev->devfn),
9591 fn));
9592
9593 if (!other_pdev)
9594 continue;
9595
9596 if (atomic_read(&other_pdev->enable_cnt)) {
9597 ql4_printk(KERN_INFO, ha, "scsi%ld: %s: Found PCI "
9598 "func in enabled state%x\n", ha->host_no,
9599 __func__, fn);
9600 pci_dev_put(other_pdev);
9601 break;
9602 }
9603 pci_dev_put(other_pdev);
9604 }
9605
9606 /* The first function on the card, the reset owner will
9607 * start & initialize the firmware. The other functions
9608 * on the card will reset the firmware context
9609 */
9610 if (!fn) {
9611 ql4_printk(KERN_INFO, ha, "scsi%ld: %s: devfn being reset "
9612 "0x%x is the owner\n", ha->host_no, __func__,
9613 ha->pdev->devfn);
9614
Vikas Chaudhary33693c72012-08-22 07:55:04 -0400[diff] [blame]9615 ha->isp_ops->idc_lock(ha);
9616 qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE,
9617 QLA8XXX_DEV_COLD);
Vikas Chaudhary33693c72012-08-22 07:55:04 -0400[diff] [blame]9618 ha->isp_ops->idc_unlock(ha);
Lalit Chandivade2232be02010-07-30 14:38:47 +0530[diff] [blame]9619
Vikas Chaudhary39c95822012-09-20 07:35:05 -0400[diff] [blame]9620 rval = qla4_8xxx_update_idc_reg(ha);
9621 if (rval == QLA_ERROR) {
9622 ql4_printk(KERN_INFO, ha, "scsi%ld: %s: HW State: FAILED\n",
9623 ha->host_no, __func__);
9624 ha->isp_ops->idc_lock(ha);
9625 qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE,
9626 QLA8XXX_DEV_FAILED);
9627 ha->isp_ops->idc_unlock(ha);
9628 goto exit_error_recovery;
9629 }
Lalit Chandivade2232be02010-07-30 14:38:47 +0530[diff] [blame]9630
Lalit Chandivade2232be02010-07-30 14:38:47 +0530[diff] [blame]9631 clear_bit(AF_FW_RECOVERY, &ha->flags);
Mike Christie13483732011-12-01 21:38:41 -0600[diff] [blame]9632 rval = qla4xxx_initialize_adapter(ha, RESET_ADAPTER);
Lalit Chandivade2232be02010-07-30 14:38:47 +0530[diff] [blame]9633
9634 if (rval != QLA_SUCCESS) {
9635 ql4_printk(KERN_INFO, ha, "scsi%ld: %s: HW State: "
9636 "FAILED\n", ha->host_no, __func__);
Nilesh Javali37418cc2013-12-16 06:49:31 -0500[diff] [blame]9637 qla4xxx_free_irqs(ha);
Poornima Vonti82761902012-09-20 07:35:04 -0400[diff] [blame]9638 ha->isp_ops->idc_lock(ha);
Lalit Chandivade2232be02010-07-30 14:38:47 +0530[diff] [blame]9639 qla4_8xxx_clear_drv_active(ha);
Vikas Chaudhary33693c72012-08-22 07:55:04 -0400[diff] [blame]9640 qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE,
9641 QLA8XXX_DEV_FAILED);
Poornima Vonti82761902012-09-20 07:35:04 -0400[diff] [blame]9642 ha->isp_ops->idc_unlock(ha);
Lalit Chandivade2232be02010-07-30 14:38:47 +0530[diff] [blame]9643 } else {
9644 ql4_printk(KERN_INFO, ha, "scsi%ld: %s: HW State: "
9645 "READY\n", ha->host_no, __func__);
Poornima Vonti82761902012-09-20 07:35:04 -0400[diff] [blame]9646 ha->isp_ops->idc_lock(ha);
Vikas Chaudhary33693c72012-08-22 07:55:04 -0400[diff] [blame]9647 qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE,
9648 QLA8XXX_DEV_READY);
Lalit Chandivade2232be02010-07-30 14:38:47 +0530[diff] [blame]9649 /* Clear driver state register */
Vikas Chaudhary33693c72012-08-22 07:55:04 -0400[diff] [blame]9650 qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DRV_STATE, 0);
Lalit Chandivade2232be02010-07-30 14:38:47 +0530[diff] [blame]9651 qla4_8xxx_set_drv_active(ha);
Poornima Vonti82761902012-09-20 07:35:04 -0400[diff] [blame]9652 ha->isp_ops->idc_unlock(ha);
Poornima Vonti137257d2013-01-20 23:51:01 -0500[diff] [blame]9653 ha->isp_ops->enable_intrs(ha);
Lalit Chandivade2232be02010-07-30 14:38:47 +0530[diff] [blame]9654 }
Lalit Chandivade2232be02010-07-30 14:38:47 +0530[diff] [blame]9655 } else {
9656 ql4_printk(KERN_INFO, ha, "scsi%ld: %s: devfn 0x%x is not "
9657 "the reset owner\n", ha->host_no, __func__,
9658 ha->pdev->devfn);
Vikas Chaudhary33693c72012-08-22 07:55:04 -0400[diff] [blame]9659 if ((qla4_8xxx_rd_direct(ha, QLA8XXX_CRB_DEV_STATE) ==
9660 QLA8XXX_DEV_READY)) {
Lalit Chandivade2232be02010-07-30 14:38:47 +0530[diff] [blame]9661 clear_bit(AF_FW_RECOVERY, &ha->flags);
Mike Christie13483732011-12-01 21:38:41 -0600[diff] [blame]9662 rval = qla4xxx_initialize_adapter(ha, RESET_ADAPTER);
Poornima Vonti137257d2013-01-20 23:51:01 -0500[diff] [blame]9663 if (rval == QLA_SUCCESS)
9664 ha->isp_ops->enable_intrs(ha);
Nilesh Javali37418cc2013-12-16 06:49:31 -0500[diff] [blame]9665 else
9666 qla4xxx_free_irqs(ha);
Poornima Vonti137257d2013-01-20 23:51:01 -0500[diff] [blame]9667
Vikas Chaudhary33693c72012-08-22 07:55:04 -0400[diff] [blame]9668 ha->isp_ops->idc_lock(ha);
Lalit Chandivade2232be02010-07-30 14:38:47 +0530[diff] [blame]9669 qla4_8xxx_set_drv_active(ha);
Vikas Chaudhary33693c72012-08-22 07:55:04 -0400[diff] [blame]9670 ha->isp_ops->idc_unlock(ha);
Lalit Chandivade2232be02010-07-30 14:38:47 +0530[diff] [blame]9671 }
9672 }
Vikas Chaudhary39c95822012-09-20 07:35:05 -0400[diff] [blame]9673exit_error_recovery:
Lalit Chandivade2232be02010-07-30 14:38:47 +0530[diff] [blame]9674 clear_bit(DPC_RESET_ACTIVE, &ha->dpc_flags);
9675 return rval;
9676}
9677
9678static pci_ers_result_t
9679qla4xxx_pci_slot_reset(struct pci_dev *pdev)
9680{
9681 pci_ers_result_t ret = PCI_ERS_RESULT_DISCONNECT;
9682 struct scsi_qla_host *ha = pci_get_drvdata(pdev);
9683 int rc;
9684
9685 ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: slot_reset\n",
9686 ha->host_no, __func__);
9687
9688 if (!is_aer_supported(ha))
9689 return PCI_ERS_RESULT_NONE;
9690
9691 /* Restore the saved state of PCIe device -
9692 * BAR registers, PCI Config space, PCIX, MSI,
9693 * IOV states
9694 */
9695 pci_restore_state(pdev);
9696
9697 /* pci_restore_state() clears the saved_state flag of the device
9698 * save restored state which resets saved_state flag
9699 */
9700 pci_save_state(pdev);
9701
9702 /* Initialize device or resume if in suspended state */
9703 rc = pci_enable_device(pdev);
9704 if (rc) {
Lucas De Marchi25985ed2011-03-30 22:57:33 -0300[diff] [blame]9705 ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: Can't re-enable "
Lalit Chandivade2232be02010-07-30 14:38:47 +0530[diff] [blame]9706 "device after reset\n", ha->host_no, __func__);
9707 goto exit_slot_reset;
9708 }
9709
Vikas Chaudhary7b3595d2010-10-06 22:50:56 -0700[diff] [blame]9710 ha->isp_ops->disable_intrs(ha);
Lalit Chandivade2232be02010-07-30 14:38:47 +0530[diff] [blame]9711
Vikas Chaudhary6e7b4292012-08-22 07:55:08 -0400[diff] [blame]9712 if (is_qla80XX(ha)) {
Lalit Chandivade2232be02010-07-30 14:38:47 +0530[diff] [blame]9713 if (qla4_8xxx_error_recovery(ha) == QLA_SUCCESS) {
9714 ret = PCI_ERS_RESULT_RECOVERED;
9715 goto exit_slot_reset;
9716 } else
9717 goto exit_slot_reset;
9718 }
9719
9720exit_slot_reset:
9721 ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: Return=%x\n"
9722 "device after reset\n", ha->host_no, __func__, ret);
9723 return ret;
9724}
9725
9726static void
9727qla4xxx_pci_resume(struct pci_dev *pdev)
9728{
9729 struct scsi_qla_host *ha = pci_get_drvdata(pdev);
9730 int ret;
9731
9732 ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: pci_resume\n",
9733 ha->host_no, __func__);
9734
9735 ret = qla4xxx_wait_for_hba_online(ha);
9736 if (ret != QLA_SUCCESS) {
9737 ql4_printk(KERN_ERR, ha, "scsi%ld: %s: the device failed to "
9738 "resume I/O from slot/link_reset\n", ha->host_no,
9739 __func__);
9740 }
9741
9742 pci_cleanup_aer_uncorrect_error_status(pdev);
9743 clear_bit(AF_EEH_BUSY, &ha->flags);
9744}
9745
Stephen Hemmingera55b2d22012-09-07 09:33:16 -0700[diff] [blame]9746static const struct pci_error_handlers qla4xxx_err_handler = {
Lalit Chandivade2232be02010-07-30 14:38:47 +0530[diff] [blame]9747 .error_detected = qla4xxx_pci_error_detected,
9748 .mmio_enabled = qla4xxx_pci_mmio_enabled,
9749 .slot_reset = qla4xxx_pci_slot_reset,
9750 .resume = qla4xxx_pci_resume,
9751};
9752
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]9753static struct pci_device_id qla4xxx_pci_tbl[] = {
9754 {
9755 .vendor = PCI_VENDOR_ID_QLOGIC,
9756 .device = PCI_DEVICE_ID_QLOGIC_ISP4010,
9757 .subvendor = PCI_ANY_ID,
9758 .subdevice = PCI_ANY_ID,
9759 },
9760 {
9761 .vendor = PCI_VENDOR_ID_QLOGIC,
9762 .device = PCI_DEVICE_ID_QLOGIC_ISP4022,
9763 .subvendor = PCI_ANY_ID,
9764 .subdevice = PCI_ANY_ID,
9765 },
David C Somayajulud9150582006-11-15 17:38:40 -0800[diff] [blame]9766 {
9767 .vendor = PCI_VENDOR_ID_QLOGIC,
9768 .device = PCI_DEVICE_ID_QLOGIC_ISP4032,
9769 .subvendor = PCI_ANY_ID,
9770 .subdevice = PCI_ANY_ID,
9771 },
Vikas Chaudharyf4f5df232010-07-28 15:53:44 +0530[diff] [blame]9772 {
9773 .vendor = PCI_VENDOR_ID_QLOGIC,
9774 .device = PCI_DEVICE_ID_QLOGIC_ISP8022,
9775 .subvendor = PCI_ANY_ID,
9776 .subdevice = PCI_ANY_ID,
9777 },
Vikas Chaudhary6e7b4292012-08-22 07:55:08 -0400[diff] [blame]9778 {
9779 .vendor = PCI_VENDOR_ID_QLOGIC,
9780 .device = PCI_DEVICE_ID_QLOGIC_ISP8324,
9781 .subvendor = PCI_ANY_ID,
9782 .subdevice = PCI_ANY_ID,
9783 },
Vikas Chaudharyb37ca412013-08-16 07:03:02 -0400[diff] [blame]9784 {
9785 .vendor = PCI_VENDOR_ID_QLOGIC,
9786 .device = PCI_DEVICE_ID_QLOGIC_ISP8042,
9787 .subvendor = PCI_ANY_ID,
9788 .subdevice = PCI_ANY_ID,
9789 },
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]9790 {0, 0},
9791};
9792MODULE_DEVICE_TABLE(pci, qla4xxx_pci_tbl);
9793
Adrian Bunk47975472007-04-26 00:35:16 -0700[diff] [blame]9794static struct pci_driver qla4xxx_pci_driver = {
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]9795 .name = DRIVER_NAME,
9796 .id_table = qla4xxx_pci_tbl,
9797 .probe = qla4xxx_probe_adapter,
9798 .remove = qla4xxx_remove_adapter,
Lalit Chandivade2232be02010-07-30 14:38:47 +0530[diff] [blame]9799 .err_handler = &qla4xxx_err_handler,
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]9800};
9801
9802static int __init qla4xxx_module_init(void)
9803{
9804 int ret;
9805
9806 /* Allocate cache for SRBs. */
9807 srb_cachep = kmem_cache_create("qla4xxx_srbs", sizeof(struct srb), 0,
Paul Mundt20c2df82007-07-20 10:11:58 +0900[diff] [blame]9808 SLAB_HWCACHE_ALIGN, NULL);
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]9809 if (srb_cachep == NULL) {
9810 printk(KERN_ERR
9811 "%s: Unable to allocate SRB cache..."
9812 "Failing load!\n", DRIVER_NAME);
9813 ret = -ENOMEM;
9814 goto no_srp_cache;
9815 }
9816
9817 /* Derive version string. */
9818 strcpy(qla4xxx_version_str, QLA4XXX_DRIVER_VERSION);
Andrew Vasquez11010fe2006-10-06 09:54:59 -0700[diff] [blame]9819 if (ql4xextended_error_logging)
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]9820 strcat(qla4xxx_version_str, "-debug");
9821
9822 qla4xxx_scsi_transport =
9823 iscsi_register_transport(&qla4xxx_iscsi_transport);
9824 if (!qla4xxx_scsi_transport){
9825 ret = -ENODEV;
9826 goto release_srb_cache;
9827 }
9828
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]9829 ret = pci_register_driver(&qla4xxx_pci_driver);
9830 if (ret)
9831 goto unregister_transport;
9832
9833 printk(KERN_INFO "QLogic iSCSI HBA Driver\n");
9834 return 0;
Doug Maxey5ae16db2006-10-05 23:50:07 -0500[diff] [blame]9835
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]9836unregister_transport:
9837 iscsi_unregister_transport(&qla4xxx_iscsi_transport);
9838release_srb_cache:
9839 kmem_cache_destroy(srb_cachep);
9840no_srp_cache:
9841 return ret;
9842}
9843
9844static void __exit qla4xxx_module_exit(void)
9845{
David Somayajuluafaf5a22006-09-19 10:28:00 -0700[diff] [blame]9846 pci_unregister_driver(&qla4xxx_pci_driver);
9847 iscsi_unregister_transport(&qla4xxx_iscsi_transport);
9848 kmem_cache_destroy(srb_cachep);
9849}
9850
9851module_init(qla4xxx_module_init);
9852module_exit(qla4xxx_module_exit);
9853
9854MODULE_AUTHOR("QLogic Corporation");
9855MODULE_DESCRIPTION("QLogic iSCSI HBA Driver");
9856MODULE_LICENSE("GPL");
9857MODULE_VERSION(QLA4XXX_DRIVER_VERSION);