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Chad Dupuisde909d82015-10-19 15:40:36 -04001/* bnx2fc.h: QLogic Linux FCoE offload driver.
Bhanu Gollapudi853e2bd2011-02-04 12:10:34 -08002 *
Chad Dupuis97586092015-10-19 15:40:35 -04003 * Copyright (c) 2008-2013 Broadcom Corporation
Chad Dupuis21144b82017-06-26 08:59:34 -07004 * Copyright (c) 2014-2016 QLogic Corporation
5 * Copyright (c) 2016-2017 Cavium Inc.
Bhanu Gollapudi853e2bd2011-02-04 12:10:34 -08006 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation.
10 *
11 * Written by: Bhanu Prakash Gollapudi (bprakash@broadcom.com)
12 */
13
Saurav Kashyap17d87c42014-07-03 08:18:28 -040014#ifndef _BNX2FC_H_
15#define _BNX2FC_H_
Joe Perches3db8cc12012-06-04 16:15:43 -070016#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
17
Bhanu Gollapudi853e2bd2011-02-04 12:10:34 -080018#include <linux/module.h>
19#include <linux/moduleparam.h>
20#include <linux/kernel.h>
21#include <linux/skbuff.h>
22#include <linux/netdevice.h>
23#include <linux/etherdevice.h>
24#include <linux/if_ether.h>
25#include <linux/if_vlan.h>
26#include <linux/kthread.h>
27#include <linux/crc32.h>
28#include <linux/cpu.h>
29#include <linux/types.h>
30#include <linux/list.h>
31#include <linux/delay.h>
32#include <linux/timer.h>
33#include <linux/errno.h>
34#include <linux/pci.h>
35#include <linux/init.h>
36#include <linux/dma-mapping.h>
37#include <linux/workqueue.h>
38#include <linux/mutex.h>
39#include <linux/spinlock.h>
40#include <linux/bitops.h>
41#include <linux/log2.h>
42#include <linux/interrupt.h>
Ingo Molnar3f07c012017-02-08 18:51:30 +010043#include <linux/sched/signal.h>
Bhanu Gollapudi853e2bd2011-02-04 12:10:34 -080044#include <linux/io.h>
45
46#include <scsi/scsi.h>
47#include <scsi/scsi_host.h>
48#include <scsi/scsi_device.h>
49#include <scsi/scsi_cmnd.h>
50#include <scsi/scsi_eh.h>
51#include <scsi/scsi_tcq.h>
52#include <scsi/libfc.h>
53#include <scsi/libfcoe.h>
54#include <scsi/fc_encode.h>
55#include <scsi/scsi_transport.h>
56#include <scsi/scsi_transport_fc.h>
57#include <scsi/fc/fc_fip.h>
58#include <scsi/fc/fc_fc2.h>
59#include <scsi/fc_frame.h>
60#include <scsi/fc/fc_fcoe.h>
61#include <scsi/fc/fc_fcp.h>
62
63#include "57xx_hsi_bnx2fc.h"
Jeff Kirsheradfc5212011-04-07 06:03:04 -070064#include "../../net/ethernet/broadcom/cnic_if.h"
Barak Witkowski2e499d32012-06-26 01:31:19 +000065#include "../../net/ethernet/broadcom/bnx2x/bnx2x_mfw_req.h"
Bhanu Gollapudi853e2bd2011-02-04 12:10:34 -080066#include "bnx2fc_constants.h"
67
68#define BNX2FC_NAME "bnx2fc"
Chad Dupuis3655a282017-06-26 08:59:38 -070069#define BNX2FC_VERSION "2.11.8"
Bhanu Gollapudi853e2bd2011-02-04 12:10:34 -080070
71#define PFX "bnx2fc: "
72
Bhanu Prakash Gollapudic13d2b62013-03-08 13:28:51 -080073#define BCM_CHIP_LEN 16
74
Bhanu Gollapudi853e2bd2011-02-04 12:10:34 -080075#define BNX2X_DOORBELL_PCI_BAR 2
76
77#define BNX2FC_MAX_BD_LEN 0xffff
78#define BNX2FC_BD_SPLIT_SZ 0x8000
79#define BNX2FC_MAX_BDS_PER_CMD 256
80
81#define BNX2FC_SQ_WQES_MAX 256
82
83#define BNX2FC_SCSI_MAX_SQES ((3 * BNX2FC_SQ_WQES_MAX) / 8)
84#define BNX2FC_TM_MAX_SQES ((BNX2FC_SQ_WQES_MAX) / 2)
85#define BNX2FC_ELS_MAX_SQES (BNX2FC_TM_MAX_SQES - 1)
86
87#define BNX2FC_RQ_WQES_MAX 16
88#define BNX2FC_CQ_WQES_MAX (BNX2FC_SQ_WQES_MAX + BNX2FC_RQ_WQES_MAX)
89
Michael Chandc219a22011-08-26 09:45:39 +000090#define BNX2FC_NUM_MAX_SESS 1024
Bhanu Gollapudi853e2bd2011-02-04 12:10:34 -080091#define BNX2FC_NUM_MAX_SESS_LOG (ilog2(BNX2FC_NUM_MAX_SESS))
92
Barak Witkowski2e499d32012-06-26 01:31:19 +000093#define BNX2FC_MAX_NPIV 256
94
Bhanu Gollapudi853e2bd2011-02-04 12:10:34 -080095#define BNX2FC_MIN_PAYLOAD 256
96#define BNX2FC_MAX_PAYLOAD 2048
Bhanu Gollapudi1294bfe2011-03-17 17:13:34 -070097#define BNX2FC_MFS \
98 (BNX2FC_MAX_PAYLOAD + sizeof(struct fc_frame_header))
99#define BNX2FC_MINI_JUMBO_MTU 2500
100
Bhanu Gollapudi853e2bd2011-02-04 12:10:34 -0800101
102#define BNX2FC_RQ_BUF_SZ 256
103#define BNX2FC_RQ_BUF_LOG_SZ (ilog2(BNX2FC_RQ_BUF_SZ))
104
105#define BNX2FC_SQ_WQE_SIZE (sizeof(struct fcoe_sqe))
106#define BNX2FC_CQ_WQE_SIZE (sizeof(struct fcoe_cqe))
107#define BNX2FC_RQ_WQE_SIZE (BNX2FC_RQ_BUF_SZ)
108#define BNX2FC_XFERQ_WQE_SIZE (sizeof(struct fcoe_xfrqe))
109#define BNX2FC_CONFQ_WQE_SIZE (sizeof(struct fcoe_confqe))
Michael Chanf78afb32013-09-18 01:50:38 -0700110#define BNX2X_DB_SHIFT 3
Bhanu Gollapudi853e2bd2011-02-04 12:10:34 -0800111
Bhanu Gollapudi853e2bd2011-02-04 12:10:34 -0800112#define BNX2FC_TASK_SIZE 128
113#define BNX2FC_TASKS_PER_PAGE (PAGE_SIZE/BNX2FC_TASK_SIZE)
Bhanu Gollapudi853e2bd2011-02-04 12:10:34 -0800114
115#define BNX2FC_MAX_ROWS_IN_HASH_TBL 8
116#define BNX2FC_HASH_TBL_CHUNK_SIZE (16 * 1024)
117
118#define BNX2FC_MAX_SEQS 255
Bhanu Prakash Gollapudi44c570b2012-01-23 18:00:47 -0800119#define BNX2FC_MAX_RETRY_CNT 3
120#define BNX2FC_MAX_RPORT_RETRY_CNT 255
Bhanu Gollapudi853e2bd2011-02-04 12:10:34 -0800121
122#define BNX2FC_READ (1 << 1)
123#define BNX2FC_WRITE (1 << 0)
124
125#define BNX2FC_MIN_XID 0
Bhanu Prakash Gollapudi7d742f62012-01-23 18:00:48 -0800126#define FCOE_MAX_NUM_XIDS 0x2000
Bhanu Prakash Gollapudi0eb43b42013-04-22 19:22:30 +0000127#define FCOE_MAX_XID_OFFSET (FCOE_MAX_NUM_XIDS - 1)
128#define FCOE_XIDS_PER_CPU_OFFSET ((512 * nr_cpu_ids) - 1)
Bhanu Gollapudi853e2bd2011-02-04 12:10:34 -0800129#define BNX2FC_MAX_LUN 0xFFFF
130#define BNX2FC_MAX_FCP_TGT 256
131#define BNX2FC_MAX_CMD_LEN 16
132
133#define BNX2FC_TM_TIMEOUT 60 /* secs */
134#define BNX2FC_IO_TIMEOUT 20000UL /* msecs */
135
Nithin Nayak Sujirbefc9b42011-04-25 12:30:10 -0700136#define BNX2FC_WAIT_CNT 1200
Bhanu Gollapudi853e2bd2011-02-04 12:10:34 -0800137#define BNX2FC_FW_TIMEOUT (3 * HZ)
Bhanu Gollapudi853e2bd2011-02-04 12:10:34 -0800138#define PORT_MAX 2
139
140#define CMD_SCSI_STATUS(Cmnd) ((Cmnd)->SCp.Status)
141
142/* FC FCP Status */
143#define FC_GOOD 0
144
145#define BNX2FC_RNID_HBA 0x7
146
Bhanu Prakash Gollapudi74446952011-07-27 11:32:06 -0700147#define SRR_RETRY_COUNT 5
148#define REC_RETRY_COUNT 1
Bhanu Prakash Gollapudi7b594762011-07-27 11:32:07 -0700149#define BNX2FC_NUM_ERR_BITS 63
Bhanu Prakash Gollapudi74446952011-07-27 11:32:06 -0700150
Bhanu Prakash Gollapudi99cc6002011-10-23 23:23:56 -0700151#define BNX2FC_RELOGIN_WAIT_TIME 200
152#define BNX2FC_RELOGIN_WAIT_CNT 10
153
Bhanu Prakash Gollapudif246fe22012-12-21 19:40:32 -0800154#define BNX2FC_STATS(hba, stat, cnt) \
155 do { \
156 u32 val; \
157 \
158 val = fw_stats->stat.cnt; \
159 if (hba->prev_stats.stat.cnt <= val) \
160 val -= hba->prev_stats.stat.cnt; \
161 else \
162 val += (0xfffffff - hba->prev_stats.stat.cnt); \
163 hba->bfw_stats.cnt += val; \
164 } while (0)
165
Bhanu Gollapudi853e2bd2011-02-04 12:10:34 -0800166/* bnx2fc driver uses only one instance of fcoe_percpu_s */
167extern struct fcoe_percpu_s bnx2fc_global;
168
169extern struct workqueue_struct *bnx2fc_wq;
170
171struct bnx2fc_percpu_s {
172 struct task_struct *iothread;
173 struct list_head work_list;
174 spinlock_t fp_work_lock;
175};
176
Bhanu Prakash Gollapudif246fe22012-12-21 19:40:32 -0800177struct bnx2fc_fw_stats {
178 u64 fc_crc_cnt;
179 u64 fcoe_tx_pkt_cnt;
180 u64 fcoe_rx_pkt_cnt;
181 u64 fcoe_tx_byte_cnt;
182 u64 fcoe_rx_byte_cnt;
183};
184
Bhanu Gollapudi853e2bd2011-02-04 12:10:34 -0800185struct bnx2fc_hba {
Bhanu Prakash Gollapudiaea71a02011-07-26 14:51:39 -0700186 struct list_head list;
Bhanu Gollapudi853e2bd2011-02-04 12:10:34 -0800187 struct cnic_dev *cnic;
188 struct pci_dev *pcidev;
Bhanu Gollapudi853e2bd2011-02-04 12:10:34 -0800189 struct net_device *phys_dev;
190 unsigned long reg_with_cnic;
191 #define BNX2FC_CNIC_REGISTERED 1
Bhanu Gollapudi853e2bd2011-02-04 12:10:34 -0800192 struct bnx2fc_cmd_mgr *cmd_mgr;
Bhanu Gollapudi853e2bd2011-02-04 12:10:34 -0800193 spinlock_t hba_lock;
194 struct mutex hba_mutex;
Maurizio Lombardic2dd8932017-05-24 14:09:44 +0200195 struct mutex hba_stats_mutex;
Bhanu Gollapudi853e2bd2011-02-04 12:10:34 -0800196 unsigned long adapter_state;
197 #define ADAPTER_STATE_UP 0
198 #define ADAPTER_STATE_GOING_DOWN 1
199 #define ADAPTER_STATE_LINK_DOWN 2
200 #define ADAPTER_STATE_READY 3
Bhanu Prakash Gollapudiaea71a02011-07-26 14:51:39 -0700201 unsigned long flags;
202 #define BNX2FC_FLAG_FW_INIT_DONE 0
203 #define BNX2FC_FLAG_DESTROY_CMPL 1
Bhanu Gollapudi853e2bd2011-02-04 12:10:34 -0800204 u32 next_conn_id;
Bhanu Prakash Gollapudi0eb43b42013-04-22 19:22:30 +0000205
206 /* xid resources */
207 u16 max_xid;
208 u32 max_tasks;
209 u32 max_outstanding_cmds;
210 u32 elstm_xids;
211
Bhanu Gollapudi853e2bd2011-02-04 12:10:34 -0800212 struct fcoe_task_ctx_entry **task_ctx;
213 dma_addr_t *task_ctx_dma;
214 struct regpair *task_ctx_bd_tbl;
215 dma_addr_t task_ctx_bd_dma;
216
217 int hash_tbl_segment_count;
218 void **hash_tbl_segments;
219 void *hash_tbl_pbl;
220 dma_addr_t hash_tbl_pbl_dma;
221 struct fcoe_t2_hash_table_entry *t2_hash_tbl;
222 dma_addr_t t2_hash_tbl_dma;
223 char *t2_hash_tbl_ptr;
224 dma_addr_t t2_hash_tbl_ptr_dma;
225
226 char *dummy_buffer;
227 dma_addr_t dummy_buf_dma;
228
Bhanu Prakash Gollapudiaea71a02011-07-26 14:51:39 -0700229 /* Active list of offloaded sessions */
230 struct bnx2fc_rport **tgt_ofld_list;
231
232 /* statistics */
Bhanu Prakash Gollapudif246fe22012-12-21 19:40:32 -0800233 struct bnx2fc_fw_stats bfw_stats;
234 struct fcoe_statistics_params prev_stats;
Bhanu Gollapudi853e2bd2011-02-04 12:10:34 -0800235 struct fcoe_statistics_params *stats_buffer;
236 dma_addr_t stats_buf_dma;
Bhanu Prakash Gollapudiaea71a02011-07-26 14:51:39 -0700237 struct completion stat_req_done;
Barak Witkowski2e499d32012-06-26 01:31:19 +0000238 struct fcoe_capabilities fcoe_cap;
Bhanu Gollapudi853e2bd2011-02-04 12:10:34 -0800239
240 /*destroy handling */
241 struct timer_list destroy_timer;
242 wait_queue_head_t destroy_wait;
243
Bhanu Prakash Gollapudiaea71a02011-07-26 14:51:39 -0700244 /* linkdown handling */
245 wait_queue_head_t shutdown_wait;
246 int wait_for_link_down;
Bhanu Gollapudi853e2bd2011-02-04 12:10:34 -0800247 int num_ofld_sess;
Bhanu Prakash Gollapudiaea71a02011-07-26 14:51:39 -0700248 struct list_head vports;
Bhanu Prakash Gollapudic13d2b62013-03-08 13:28:51 -0800249
250 char chip_num[BCM_CHIP_LEN];
Bhanu Gollapudi853e2bd2011-02-04 12:10:34 -0800251};
252
Bhanu Prakash Gollapudiaea71a02011-07-26 14:51:39 -0700253struct bnx2fc_interface {
254 struct list_head list;
255 unsigned long if_flags;
256 #define BNX2FC_CTLR_INIT_DONE 0
257 struct bnx2fc_hba *hba;
258 struct net_device *netdev;
259 struct packet_type fcoe_packet_type;
260 struct packet_type fip_packet_type;
261 struct workqueue_struct *timer_work_queue;
262 struct kref kref;
Bhanu Prakash Gollapudiaea71a02011-07-26 14:51:39 -0700263 u8 vlan_enabled;
264 int vlan_id;
Bhanu Prakash Gollapudi8a5badf2011-08-30 15:54:48 -0700265 bool enabled;
Joe Carnuccio10755d32016-04-07 09:07:56 -0400266 u8 tm_timeout;
Bhanu Prakash Gollapudiaea71a02011-07-26 14:51:39 -0700267};
268
Robert Lovefd8f8902012-05-22 19:06:16 -0700269#define bnx2fc_from_ctlr(x) \
270 ((struct bnx2fc_interface *)((x) + 1))
271
272#define bnx2fc_to_ctlr(x) \
273 ((struct fcoe_ctlr *)(((struct fcoe_ctlr *)(x)) - 1))
Bhanu Gollapudi853e2bd2011-02-04 12:10:34 -0800274
Bhanu Prakash Gollapudid36b3272011-05-27 11:47:27 -0700275struct bnx2fc_lport {
276 struct list_head list;
277 struct fc_lport *lport;
278};
279
Bhanu Gollapudi853e2bd2011-02-04 12:10:34 -0800280struct bnx2fc_cmd_mgr {
281 struct bnx2fc_hba *hba;
282 u16 next_idx;
283 struct list_head *free_list;
284 spinlock_t *free_list_lock;
285 struct io_bdt **io_bdt_pool;
286 struct bnx2fc_cmd **cmds;
287};
288
289struct bnx2fc_rport {
290 struct fcoe_port *port;
291 struct fc_rport *rport;
292 struct fc_rport_priv *rdata;
293 void __iomem *ctx_base;
294#define DPM_TRIGER_TYPE 0x40
Bhanu Prakash Gollapudib252f4c2011-07-26 14:51:40 -0700295 u32 io_timeout;
Bhanu Gollapudi853e2bd2011-02-04 12:10:34 -0800296 u32 fcoe_conn_id;
297 u32 context_id;
298 u32 sid;
Bhanu Prakash Gollapudib252f4c2011-07-26 14:51:40 -0700299 int dev_type;
Bhanu Gollapudi853e2bd2011-02-04 12:10:34 -0800300
301 unsigned long flags;
302#define BNX2FC_FLAG_SESSION_READY 0x1
303#define BNX2FC_FLAG_OFFLOADED 0x2
304#define BNX2FC_FLAG_DISABLED 0x3
305#define BNX2FC_FLAG_DESTROYED 0x4
306#define BNX2FC_FLAG_OFLD_REQ_CMPL 0x5
Bhanu Prakash Gollapudiaea71a02011-07-26 14:51:39 -0700307#define BNX2FC_FLAG_CTX_ALLOC_FAILURE 0x6
308#define BNX2FC_FLAG_UPLD_REQ_COMPL 0x7
Bhanu Prakash Gollapudi5c17ae22012-06-07 02:19:35 -0700309#define BNX2FC_FLAG_DISABLE_FAILED 0x9
Bhanu Prakash Gollapudie7f4fed2012-12-21 19:40:31 -0800310#define BNX2FC_FLAG_ENABLED 0xa
Bhanu Gollapudi853e2bd2011-02-04 12:10:34 -0800311
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300312 u8 src_addr[ETH_ALEN];
Bhanu Gollapudi853e2bd2011-02-04 12:10:34 -0800313 u32 max_sqes;
314 u32 max_rqes;
315 u32 max_cqes;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300316 atomic_t free_sqes;
317
318 struct b577xx_doorbell_set_prod sq_db;
319 struct b577xx_fcoe_rx_doorbell rx_db;
Bhanu Gollapudi853e2bd2011-02-04 12:10:34 -0800320
321 struct fcoe_sqe *sq;
322 dma_addr_t sq_dma;
323 u16 sq_prod_idx;
324 u8 sq_curr_toggle_bit;
325 u32 sq_mem_size;
326
327 struct fcoe_cqe *cq;
328 dma_addr_t cq_dma;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300329 u16 cq_cons_idx;
Bhanu Gollapudi853e2bd2011-02-04 12:10:34 -0800330 u8 cq_curr_toggle_bit;
331 u32 cq_mem_size;
332
333 void *rq;
334 dma_addr_t rq_dma;
335 u32 rq_prod_idx;
336 u32 rq_cons_idx;
337 u32 rq_mem_size;
338
339 void *rq_pbl;
340 dma_addr_t rq_pbl_dma;
341 u32 rq_pbl_size;
342
343 struct fcoe_xfrqe *xferq;
344 dma_addr_t xferq_dma;
345 u32 xferq_mem_size;
346
347 struct fcoe_confqe *confq;
348 dma_addr_t confq_dma;
349 u32 confq_mem_size;
350
351 void *confq_pbl;
352 dma_addr_t confq_pbl_dma;
353 u32 confq_pbl_size;
354
355 struct fcoe_conn_db *conn_db;
356 dma_addr_t conn_db_dma;
357 u32 conn_db_mem_size;
358
359 struct fcoe_sqe *lcq;
360 dma_addr_t lcq_dma;
361 u32 lcq_mem_size;
362
363 void *ofld_req[4];
364 dma_addr_t ofld_req_dma[4];
365 void *enbl_req;
366 dma_addr_t enbl_req_dma;
367
368 spinlock_t tgt_lock;
369 spinlock_t cq_lock;
370 atomic_t num_active_ios;
371 u32 flush_in_prog;
Bhanu Gollapudi853e2bd2011-02-04 12:10:34 -0800372 unsigned long timestamp;
Eddie Wai245a5752013-12-11 15:30:22 -0800373 unsigned long retry_delay_timestamp;
Bhanu Gollapudi853e2bd2011-02-04 12:10:34 -0800374 struct list_head free_task_list;
375 struct bnx2fc_cmd *pending_queue[BNX2FC_SQ_WQES_MAX+1];
Bhanu Gollapudi853e2bd2011-02-04 12:10:34 -0800376 struct list_head active_cmd_queue;
377 struct list_head els_queue;
378 struct list_head io_retire_queue;
379 struct list_head active_tm_queue;
380
381 struct timer_list ofld_timer;
382 wait_queue_head_t ofld_wait;
383
384 struct timer_list upld_timer;
385 wait_queue_head_t upld_wait;
386};
387
388struct bnx2fc_mp_req {
389 u8 tm_flags;
390
391 u32 req_len;
392 void *req_buf;
393 dma_addr_t req_buf_dma;
394 struct fcoe_bd_ctx *mp_req_bd;
395 dma_addr_t mp_req_bd_dma;
396 struct fc_frame_header req_fc_hdr;
397
398 u32 resp_len;
399 void *resp_buf;
400 dma_addr_t resp_buf_dma;
401 struct fcoe_bd_ctx *mp_resp_bd;
402 dma_addr_t mp_resp_bd_dma;
403 struct fc_frame_header resp_fc_hdr;
404};
405
406struct bnx2fc_els_cb_arg {
407 struct bnx2fc_cmd *aborted_io_req;
408 struct bnx2fc_cmd *io_req;
409 u16 l2_oxid;
Bhanu Prakash Gollapudi6c5a7ce2011-07-27 11:32:05 -0700410 u32 offset;
411 enum fc_rctl r_ctl;
Bhanu Gollapudi853e2bd2011-02-04 12:10:34 -0800412};
413
414/* bnx2fc command structure */
415struct bnx2fc_cmd {
416 struct list_head link;
417 u8 on_active_queue;
418 u8 on_tmf_queue;
419 u8 cmd_type;
420#define BNX2FC_SCSI_CMD 1
421#define BNX2FC_TASK_MGMT_CMD 2
422#define BNX2FC_ABTS 3
423#define BNX2FC_ELS 4
424#define BNX2FC_CLEANUP 5
Bhanu Prakash Gollapudi6c5a7ce2011-07-27 11:32:05 -0700425#define BNX2FC_SEQ_CLEANUP 6
Bhanu Gollapudi853e2bd2011-02-04 12:10:34 -0800426 u8 io_req_flags;
427 struct kref refcount;
428 struct fcoe_port *port;
429 struct bnx2fc_rport *tgt;
430 struct scsi_cmnd *sc_cmd;
431 struct bnx2fc_cmd_mgr *cmd_mgr;
432 struct bnx2fc_mp_req mp_req;
433 void (*cb_func)(struct bnx2fc_els_cb_arg *cb_arg);
434 struct bnx2fc_els_cb_arg *cb_arg;
435 struct delayed_work timeout_work; /* timer for ULP timeouts */
436 struct completion tm_done;
437 int wait_for_comp;
438 u16 xid;
Bhanu Prakash Gollapudi74446952011-07-27 11:32:06 -0700439 struct fcoe_err_report_entry err_entry;
Bhanu Gollapudi853e2bd2011-02-04 12:10:34 -0800440 struct fcoe_task_ctx_entry *task;
441 struct io_bdt *bd_tbl;
442 struct fcp_rsp *rsp;
443 size_t data_xfer_len;
444 unsigned long req_flags;
445#define BNX2FC_FLAG_ISSUE_RRQ 0x1
446#define BNX2FC_FLAG_ISSUE_ABTS 0x2
447#define BNX2FC_FLAG_ABTS_DONE 0x3
448#define BNX2FC_FLAG_TM_COMPL 0x4
449#define BNX2FC_FLAG_TM_TIMEOUT 0x5
450#define BNX2FC_FLAG_IO_CLEANUP 0x6
451#define BNX2FC_FLAG_RETIRE_OXID 0x7
452#define BNX2FC_FLAG_EH_ABORT 0x8
453#define BNX2FC_FLAG_IO_COMPL 0x9
454#define BNX2FC_FLAG_ELS_DONE 0xa
455#define BNX2FC_FLAG_ELS_TIMEOUT 0xb
Bhanu Prakash Gollapudi74446952011-07-27 11:32:06 -0700456#define BNX2FC_FLAG_CMD_LOST 0xc
457#define BNX2FC_FLAG_SRR_SENT 0xd
458 u8 rec_retry;
459 u8 srr_retry;
460 u32 srr_offset;
461 u8 srr_rctl;
Bhanu Gollapudi853e2bd2011-02-04 12:10:34 -0800462 u32 fcp_resid;
463 u32 fcp_rsp_len;
464 u32 fcp_sns_len;
465 u8 cdb_status; /* SCSI IO status */
466 u8 fcp_status; /* FCP IO status */
467 u8 fcp_rsp_code;
468 u8 scsi_comp_flags;
469};
470
471struct io_bdt {
472 struct bnx2fc_cmd *io_req;
473 struct fcoe_bd_ctx *bd_tbl;
474 dma_addr_t bd_tbl_dma;
475 u16 bd_valid;
476};
477
478struct bnx2fc_work {
479 struct list_head list;
480 struct bnx2fc_rport *tgt;
481 u16 wqe;
482};
483struct bnx2fc_unsol_els {
484 struct fc_lport *lport;
485 struct fc_frame *fp;
Bhanu Prakash Gollapudid36b3272011-05-27 11:47:27 -0700486 struct bnx2fc_hba *hba;
Bhanu Gollapudi853e2bd2011-02-04 12:10:34 -0800487 struct work_struct unsol_els_work;
488};
489
490
491
Bhanu Prakash Gollapudi74446952011-07-27 11:32:06 -0700492struct bnx2fc_cmd *bnx2fc_cmd_alloc(struct bnx2fc_rport *tgt);
Bhanu Gollapudi853e2bd2011-02-04 12:10:34 -0800493struct bnx2fc_cmd *bnx2fc_elstm_alloc(struct bnx2fc_rport *tgt, int type);
494void bnx2fc_cmd_release(struct kref *ref);
495int bnx2fc_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *sc_cmd);
496int bnx2fc_send_fw_fcoe_init_msg(struct bnx2fc_hba *hba);
497int bnx2fc_send_fw_fcoe_destroy_msg(struct bnx2fc_hba *hba);
498int bnx2fc_send_session_ofld_req(struct fcoe_port *port,
499 struct bnx2fc_rport *tgt);
Bhanu Prakash Gollapudie7f4fed2012-12-21 19:40:31 -0800500int bnx2fc_send_session_enable_req(struct fcoe_port *port,
501 struct bnx2fc_rport *tgt);
Bhanu Gollapudi853e2bd2011-02-04 12:10:34 -0800502int bnx2fc_send_session_disable_req(struct fcoe_port *port,
503 struct bnx2fc_rport *tgt);
504int bnx2fc_send_session_destroy_req(struct bnx2fc_hba *hba,
505 struct bnx2fc_rport *tgt);
506int bnx2fc_map_doorbell(struct bnx2fc_rport *tgt);
507void bnx2fc_indicate_kcqe(void *context, struct kcqe *kcq[],
508 u32 num_cqe);
509int bnx2fc_setup_task_ctx(struct bnx2fc_hba *hba);
510void bnx2fc_free_task_ctx(struct bnx2fc_hba *hba);
511int bnx2fc_setup_fw_resc(struct bnx2fc_hba *hba);
512void bnx2fc_free_fw_resc(struct bnx2fc_hba *hba);
Bhanu Prakash Gollapudi0eb43b42013-04-22 19:22:30 +0000513struct bnx2fc_cmd_mgr *bnx2fc_cmd_mgr_alloc(struct bnx2fc_hba *hba);
Bhanu Gollapudi853e2bd2011-02-04 12:10:34 -0800514void bnx2fc_cmd_mgr_free(struct bnx2fc_cmd_mgr *cmgr);
515void bnx2fc_get_link_state(struct bnx2fc_hba *hba);
516char *bnx2fc_get_next_rqe(struct bnx2fc_rport *tgt, u8 num_items);
517void bnx2fc_return_rqe(struct bnx2fc_rport *tgt, u8 num_items);
518int bnx2fc_get_paged_crc_eof(struct sk_buff *skb, int tlen);
519int bnx2fc_send_rrq(struct bnx2fc_cmd *aborted_io_req);
520int bnx2fc_send_adisc(struct bnx2fc_rport *tgt, struct fc_frame *fp);
521int bnx2fc_send_logo(struct bnx2fc_rport *tgt, struct fc_frame *fp);
522int bnx2fc_send_rls(struct bnx2fc_rport *tgt, struct fc_frame *fp);
523int bnx2fc_initiate_cleanup(struct bnx2fc_cmd *io_req);
524int bnx2fc_initiate_abts(struct bnx2fc_cmd *io_req);
525void bnx2fc_cmd_timer_set(struct bnx2fc_cmd *io_req,
526 unsigned int timer_msec);
527int bnx2fc_init_mp_req(struct bnx2fc_cmd *io_req);
528void bnx2fc_init_cleanup_task(struct bnx2fc_cmd *io_req,
529 struct fcoe_task_ctx_entry *task,
530 u16 orig_xid);
Bhanu Prakash Gollapudi6c5a7ce2011-07-27 11:32:05 -0700531void bnx2fc_init_seq_cleanup_task(struct bnx2fc_cmd *seq_clnup_req,
532 struct fcoe_task_ctx_entry *task,
533 struct bnx2fc_cmd *orig_io_req,
534 u32 offset);
Bhanu Gollapudi853e2bd2011-02-04 12:10:34 -0800535void bnx2fc_init_mp_task(struct bnx2fc_cmd *io_req,
536 struct fcoe_task_ctx_entry *task);
537void bnx2fc_init_task(struct bnx2fc_cmd *io_req,
538 struct fcoe_task_ctx_entry *task);
539void bnx2fc_add_2_sq(struct bnx2fc_rport *tgt, u16 xid);
540void bnx2fc_ring_doorbell(struct bnx2fc_rport *tgt);
541int bnx2fc_eh_abort(struct scsi_cmnd *sc_cmd);
542int bnx2fc_eh_host_reset(struct scsi_cmnd *sc_cmd);
543int bnx2fc_eh_target_reset(struct scsi_cmnd *sc_cmd);
544int bnx2fc_eh_device_reset(struct scsi_cmnd *sc_cmd);
545void bnx2fc_rport_event_handler(struct fc_lport *lport,
546 struct fc_rport_priv *rport,
547 enum fc_rport_event event);
548void bnx2fc_process_scsi_cmd_compl(struct bnx2fc_cmd *io_req,
549 struct fcoe_task_ctx_entry *task,
550 u8 num_rq);
551void bnx2fc_process_cleanup_compl(struct bnx2fc_cmd *io_req,
552 struct fcoe_task_ctx_entry *task,
553 u8 num_rq);
554void bnx2fc_process_abts_compl(struct bnx2fc_cmd *io_req,
555 struct fcoe_task_ctx_entry *task,
556 u8 num_rq);
557void bnx2fc_process_tm_compl(struct bnx2fc_cmd *io_req,
558 struct fcoe_task_ctx_entry *task,
559 u8 num_rq);
560void bnx2fc_process_els_compl(struct bnx2fc_cmd *els_req,
561 struct fcoe_task_ctx_entry *task,
562 u8 num_rq);
563void bnx2fc_build_fcp_cmnd(struct bnx2fc_cmd *io_req,
564 struct fcp_cmnd *fcp_cmnd);
565
566
567
568void bnx2fc_flush_active_ios(struct bnx2fc_rport *tgt);
569struct fc_seq *bnx2fc_elsct_send(struct fc_lport *lport, u32 did,
570 struct fc_frame *fp, unsigned int op,
571 void (*resp)(struct fc_seq *,
572 struct fc_frame *,
573 void *),
574 void *arg, u32 timeout);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300575void bnx2fc_arm_cq(struct bnx2fc_rport *tgt);
Bhanu Gollapudi853e2bd2011-02-04 12:10:34 -0800576int bnx2fc_process_new_cqes(struct bnx2fc_rport *tgt);
577void bnx2fc_process_cq_compl(struct bnx2fc_rport *tgt, u16 wqe);
578struct bnx2fc_rport *bnx2fc_tgt_lookup(struct fcoe_port *port,
579 u32 port_id);
580void bnx2fc_process_l2_frame_compl(struct bnx2fc_rport *tgt,
581 unsigned char *buf,
582 u32 frame_len, u16 l2_oxid);
583int bnx2fc_send_stat_req(struct bnx2fc_hba *hba);
Bhanu Prakash Gollapudi74446952011-07-27 11:32:06 -0700584int bnx2fc_post_io_req(struct bnx2fc_rport *tgt, struct bnx2fc_cmd *io_req);
Bhanu Prakash Gollapudi6c5a7ce2011-07-27 11:32:05 -0700585int bnx2fc_send_rec(struct bnx2fc_cmd *orig_io_req);
586int bnx2fc_send_srr(struct bnx2fc_cmd *orig_io_req, u32 offset, u8 r_ctl);
587void bnx2fc_process_seq_cleanup_compl(struct bnx2fc_cmd *seq_clnup_req,
588 struct fcoe_task_ctx_entry *task,
589 u8 rx_state);
590int bnx2fc_initiate_seq_cleanup(struct bnx2fc_cmd *orig_io_req, u32 offset,
591 enum fc_rctl r_ctl);
Bhanu Gollapudi853e2bd2011-02-04 12:10:34 -0800592
Joe Perches3db8cc12012-06-04 16:15:43 -0700593
594#include "bnx2fc_debug.h"
595
Bhanu Gollapudi853e2bd2011-02-04 12:10:34 -0800596#endif