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Swen Schillig41fa2ad2007-09-07 09:15:31 +02001/*
Christof Schmitt553448f2008-06-10 18:20:58 +02002 * zfcp device driver
Linus Torvalds1da177e2005-04-16 15:20:36 -07003 *
Christof Schmitt553448f2008-06-10 18:20:58 +02004 * External function declarations.
Swen Schillig41fa2ad2007-09-07 09:15:31 +02005 *
Christof Schmitta2fa0ae2009-03-02 13:09:08 +01006 * Copyright IBM Corporation 2002, 2009
Linus Torvalds1da177e2005-04-16 15:20:36 -07007 */
8
9#ifndef ZFCP_EXT_H
10#define ZFCP_EXT_H
11
Linus Torvalds1da177e2005-04-16 15:20:36 -070012#include "zfcp_def.h"
13
Christof Schmitt92c299d2008-07-02 10:56:41 +020014/* zfcp_aux.c */
Swen Schillig7ba58c92008-10-01 12:42:18 +020015extern struct zfcp_unit *zfcp_get_unit_by_lun(struct zfcp_port *, u64);
16extern struct zfcp_port *zfcp_get_port_by_wwpn(struct zfcp_adapter *, u64);
Christof Schmitt92c299d2008-07-02 10:56:41 +020017extern int zfcp_adapter_enqueue(struct ccw_device *);
18extern void zfcp_adapter_dequeue(struct zfcp_adapter *);
Swen Schillig7ba58c92008-10-01 12:42:18 +020019extern struct zfcp_port *zfcp_port_enqueue(struct zfcp_adapter *, u64, u32,
Christof Schmitt92c299d2008-07-02 10:56:41 +020020 u32);
21extern void zfcp_port_dequeue(struct zfcp_port *);
Swen Schillig7ba58c92008-10-01 12:42:18 +020022extern struct zfcp_unit *zfcp_unit_enqueue(struct zfcp_port *, u64);
Christof Schmitt92c299d2008-07-02 10:56:41 +020023extern void zfcp_unit_dequeue(struct zfcp_unit *);
24extern int zfcp_reqlist_isempty(struct zfcp_adapter *);
25extern void zfcp_sg_free_table(struct scatterlist *, int);
26extern int zfcp_sg_setup_table(struct scatterlist *, int);
Linus Torvalds1da177e2005-04-16 15:20:36 -070027
Christof Schmitt92c299d2008-07-02 10:56:41 +020028/* zfcp_ccw.c */
29extern int zfcp_ccw_register(void);
Christof Schmitt6fcf41d2009-05-15 13:18:21 +020030extern int zfcp_ccw_priv_sch(struct zfcp_adapter *);
Swen Schilliga1b449d2008-10-01 12:42:19 +020031extern struct zfcp_adapter *zfcp_get_adapter_by_busid(char *);
Linus Torvalds1da177e2005-04-16 15:20:36 -070032
Christof Schmitt92c299d2008-07-02 10:56:41 +020033/* zfcp_cfdc.c */
34extern struct miscdevice zfcp_cfdc_misc;
Linus Torvalds1da177e2005-04-16 15:20:36 -070035
Christof Schmitt92c299d2008-07-02 10:56:41 +020036/* zfcp_dbf.c */
Swen Schillig57717102009-08-18 15:43:21 +020037extern int zfcp_dbf_adapter_register(struct zfcp_adapter *);
38extern void zfcp_dbf_adapter_unregister(struct zfcp_dbf *);
39extern void zfcp_dbf_rec_thread(char *, struct zfcp_dbf *);
40extern void zfcp_dbf_rec_thread_lock(char *, struct zfcp_dbf *);
41extern void zfcp_dbf_rec_adapter(char *, void *, struct zfcp_dbf *);
42extern void zfcp_dbf_rec_port(char *, void *, struct zfcp_port *);
43extern void zfcp_dbf_rec_unit(char *, void *, struct zfcp_unit *);
44extern void zfcp_dbf_rec_trigger(char *, void *, u8, u8, void *,
45 struct zfcp_adapter *, struct zfcp_port *,
46 struct zfcp_unit *);
47extern void zfcp_dbf_rec_action(char *, struct zfcp_erp_action *);
48extern void _zfcp_dbf_hba_fsf_response(const char *, int, struct zfcp_fsf_req *,
49 struct zfcp_dbf *);
50extern void _zfcp_dbf_hba_fsf_unsol(const char *, int level, struct zfcp_dbf *,
Christof Schmitt2e261af2009-08-18 15:43:09 +020051 struct fsf_status_read_buffer *);
Swen Schillig57717102009-08-18 15:43:21 +020052extern void zfcp_dbf_hba_qdio(struct zfcp_dbf *, unsigned int, int, int);
53extern void zfcp_dbf_hba_berr(struct zfcp_dbf *, struct zfcp_fsf_req *);
54extern void zfcp_dbf_san_ct_request(struct zfcp_fsf_req *);
55extern void zfcp_dbf_san_ct_response(struct zfcp_fsf_req *);
56extern void zfcp_dbf_san_els_request(struct zfcp_fsf_req *);
57extern void zfcp_dbf_san_els_response(struct zfcp_fsf_req *);
58extern void zfcp_dbf_san_incoming_els(struct zfcp_fsf_req *);
59extern void _zfcp_dbf_scsi(const char *, const char *, int, struct zfcp_dbf *,
60 struct scsi_cmnd *, struct zfcp_fsf_req *,
61 unsigned long);
Maxim Shchetynin8a36e452005-09-13 21:50:38 +020062
Christof Schmitt92c299d2008-07-02 10:56:41 +020063/* zfcp_erp.c */
Swen Schillig5ffd51a2009-03-02 13:09:04 +010064extern void zfcp_erp_modify_adapter_status(struct zfcp_adapter *, char *,
65 void *, u32, int);
66extern void zfcp_erp_adapter_reopen(struct zfcp_adapter *, int, char *, void *);
67extern void zfcp_erp_adapter_shutdown(struct zfcp_adapter *, int, char *,
68 void *);
69extern void zfcp_erp_adapter_failed(struct zfcp_adapter *, char *, void *);
70extern void zfcp_erp_modify_port_status(struct zfcp_port *, char *, void *, u32,
Christof Schmitt92c299d2008-07-02 10:56:41 +020071 int);
Swen Schillig5ffd51a2009-03-02 13:09:04 +010072extern int zfcp_erp_port_reopen(struct zfcp_port *, int, char *, void *);
73extern void zfcp_erp_port_shutdown(struct zfcp_port *, int, char *, void *);
74extern void zfcp_erp_port_forced_reopen(struct zfcp_port *, int, char *,
75 void *);
76extern void zfcp_erp_port_failed(struct zfcp_port *, char *, void *);
77extern void zfcp_erp_modify_unit_status(struct zfcp_unit *, char *, void *, u32,
Christof Schmitt92c299d2008-07-02 10:56:41 +020078 int);
Swen Schillig5ffd51a2009-03-02 13:09:04 +010079extern void zfcp_erp_unit_reopen(struct zfcp_unit *, int, char *, void *);
80extern void zfcp_erp_unit_shutdown(struct zfcp_unit *, int, char *, void *);
81extern void zfcp_erp_unit_failed(struct zfcp_unit *, char *, void *);
Christof Schmitt92c299d2008-07-02 10:56:41 +020082extern int zfcp_erp_thread_setup(struct zfcp_adapter *);
83extern void zfcp_erp_thread_kill(struct zfcp_adapter *);
84extern void zfcp_erp_wait(struct zfcp_adapter *);
85extern void zfcp_erp_notify(struct zfcp_erp_action *, unsigned long);
Swen Schillig5ffd51a2009-03-02 13:09:04 +010086extern void zfcp_erp_port_boxed(struct zfcp_port *, char *, void *);
87extern void zfcp_erp_unit_boxed(struct zfcp_unit *, char *, void *);
88extern void zfcp_erp_port_access_denied(struct zfcp_port *, char *, void *);
89extern void zfcp_erp_unit_access_denied(struct zfcp_unit *, char *, void *);
90extern void zfcp_erp_adapter_access_changed(struct zfcp_adapter *, char *,
91 void *);
Christof Schmitt92c299d2008-07-02 10:56:41 +020092extern void zfcp_erp_timeout_handler(unsigned long);
93
94/* zfcp_fc.c */
95extern int zfcp_scan_ports(struct zfcp_adapter *);
96extern void _zfcp_scan_ports_later(struct work_struct *);
97extern void zfcp_fc_incoming_els(struct zfcp_fsf_req *);
Christof Schmitt799b76d2009-08-18 15:43:20 +020098extern void zfcp_fc_port_did_lookup(struct work_struct *);
Christof Schmitt92c299d2008-07-02 10:56:41 +020099extern void zfcp_fc_plogi_evaluate(struct zfcp_port *, struct fsf_plogi *);
100extern void zfcp_test_link(struct zfcp_port *);
Christof Schmitt8fdf30d2009-03-02 13:09:01 +0100101extern void zfcp_fc_link_test_work(struct work_struct *);
Christof Schmitt55c770f2009-08-18 15:43:12 +0200102extern void zfcp_fc_wka_ports_force_offline(struct zfcp_wka_ports *);
Sven Schuetz9d544f22009-04-06 18:31:47 +0200103extern void zfcp_fc_wka_ports_init(struct zfcp_adapter *);
104extern int zfcp_fc_execute_els_fc_job(struct fc_bsg_job *);
105extern int zfcp_fc_execute_ct_fc_job(struct fc_bsg_job *);
Christof Schmitt92c299d2008-07-02 10:56:41 +0200106
107/* zfcp_fsf.c */
108extern int zfcp_fsf_open_port(struct zfcp_erp_action *);
Swen Schillig5ab944f2008-10-01 12:42:17 +0200109extern int zfcp_fsf_open_wka_port(struct zfcp_wka_port *);
110extern int zfcp_fsf_close_wka_port(struct zfcp_wka_port *);
Christof Schmitt92c299d2008-07-02 10:56:41 +0200111extern int zfcp_fsf_close_port(struct zfcp_erp_action *);
112extern int zfcp_fsf_close_physical_port(struct zfcp_erp_action *);
113extern int zfcp_fsf_open_unit(struct zfcp_erp_action *);
114extern int zfcp_fsf_close_unit(struct zfcp_erp_action *);
115extern int zfcp_fsf_exchange_config_data(struct zfcp_erp_action *);
Swen Schillig564e1c82009-08-18 15:43:19 +0200116extern int zfcp_fsf_exchange_config_data_sync(struct zfcp_qdio *,
Christof Schmitt92c299d2008-07-02 10:56:41 +0200117 struct fsf_qtcb_bottom_config *);
118extern int zfcp_fsf_exchange_port_data(struct zfcp_erp_action *);
Swen Schillig564e1c82009-08-18 15:43:19 +0200119extern int zfcp_fsf_exchange_port_data_sync(struct zfcp_qdio *,
Christof Schmitt92c299d2008-07-02 10:56:41 +0200120 struct fsf_qtcb_bottom_port *);
121extern struct zfcp_fsf_req *zfcp_fsf_control_file(struct zfcp_adapter *,
122 struct zfcp_fsf_cfdc *);
123extern void zfcp_fsf_req_dismiss_all(struct zfcp_adapter *);
Swen Schillig564e1c82009-08-18 15:43:19 +0200124extern int zfcp_fsf_status_read(struct zfcp_qdio *);
Christof Schmitt92c299d2008-07-02 10:56:41 +0200125extern int zfcp_status_read_refill(struct zfcp_adapter *adapter);
Christof Schmitt799b76d2009-08-18 15:43:20 +0200126extern int zfcp_fsf_send_ct(struct zfcp_send_ct *, mempool_t *);
Christof Schmitt92c299d2008-07-02 10:56:41 +0200127extern int zfcp_fsf_send_els(struct zfcp_send_els *);
Christof Schmitt63caf362009-03-02 13:09:00 +0100128extern int zfcp_fsf_send_fcp_command_task(struct zfcp_unit *,
129 struct scsi_cmnd *);
Christof Schmitt92c299d2008-07-02 10:56:41 +0200130extern void zfcp_fsf_req_free(struct zfcp_fsf_req *);
Christof Schmitt63caf362009-03-02 13:09:00 +0100131extern struct zfcp_fsf_req *zfcp_fsf_send_fcp_ctm(struct zfcp_unit *, u8);
Christof Schmitt92c299d2008-07-02 10:56:41 +0200132extern struct zfcp_fsf_req *zfcp_fsf_abort_fcp_command(unsigned long,
Christof Schmitt63caf362009-03-02 13:09:00 +0100133 struct zfcp_unit *);
Swen Schillig564e1c82009-08-18 15:43:19 +0200134extern void zfcp_fsf_reqid_check(struct zfcp_qdio *, int);
Christof Schmitt92c299d2008-07-02 10:56:41 +0200135
136/* zfcp_qdio.c */
Swen Schillig564e1c82009-08-18 15:43:19 +0200137extern int zfcp_qdio_allocate(struct zfcp_qdio *, struct ccw_device *);
138extern void zfcp_qdio_free(struct zfcp_qdio *);
139extern int zfcp_qdio_send(struct zfcp_qdio *, struct zfcp_queue_req *);
Swen Schillig42428f72009-08-18 15:43:18 +0200140extern struct qdio_buffer_element
Swen Schillig564e1c82009-08-18 15:43:19 +0200141 *zfcp_qdio_sbale_req(struct zfcp_qdio *, struct zfcp_queue_req *);
Swen Schillig42428f72009-08-18 15:43:18 +0200142extern struct qdio_buffer_element
Swen Schillig564e1c82009-08-18 15:43:19 +0200143 *zfcp_qdio_sbale_curr(struct zfcp_qdio *, struct zfcp_queue_req *);
144extern int zfcp_qdio_sbals_from_sg(struct zfcp_qdio *,
Swen Schillig42428f72009-08-18 15:43:18 +0200145 struct zfcp_queue_req *, unsigned long,
Christof Schmitt92c299d2008-07-02 10:56:41 +0200146 struct scatterlist *, int);
Swen Schillig564e1c82009-08-18 15:43:19 +0200147extern int zfcp_qdio_open(struct zfcp_qdio *);
148extern void zfcp_qdio_close(struct zfcp_qdio *);
Christof Schmitt92c299d2008-07-02 10:56:41 +0200149
150/* zfcp_scsi.c */
151extern struct zfcp_data zfcp_data;
152extern int zfcp_adapter_scsi_register(struct zfcp_adapter *);
153extern void zfcp_adapter_scsi_unregister(struct zfcp_adapter *);
Christof Schmitt92c299d2008-07-02 10:56:41 +0200154extern char *zfcp_get_fcp_sns_info_ptr(struct fcp_rsp_iu *);
155extern struct fc_function_template zfcp_transport_functions;
Christof Schmitta2fa0ae2009-03-02 13:09:08 +0100156extern void zfcp_scsi_rport_work(struct work_struct *);
157extern void zfcp_scsi_schedule_rport_register(struct zfcp_port *);
158extern void zfcp_scsi_schedule_rport_block(struct zfcp_port *);
159extern void zfcp_scsi_schedule_rports_block(struct zfcp_adapter *);
Swen Schillig92d51932009-04-17 15:08:04 +0200160extern void zfcp_scsi_scan(struct work_struct *);
Christof Schmitt92c299d2008-07-02 10:56:41 +0200161
162/* zfcp_sysfs.c */
163extern struct attribute_group zfcp_sysfs_unit_attrs;
164extern struct attribute_group zfcp_sysfs_adapter_attrs;
Christof Schmitt92c299d2008-07-02 10:56:41 +0200165extern struct attribute_group zfcp_sysfs_port_attrs;
166extern struct device_attribute *zfcp_sysfs_sdev_attrs[];
167extern struct device_attribute *zfcp_sysfs_shost_attrs[];
Christof Schmitt45633fd2008-06-10 18:20:55 +0200168
Linus Torvalds1da177e2005-04-16 15:20:36 -0700169#endif /* ZFCP_EXT_H */