blob: 7650cec7f71f17b9c7975e23795f261eb7f65400 [file] [log] [blame]
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 */
37extern int zfcp_adapter_debug_register(struct zfcp_adapter *);
38extern void zfcp_adapter_debug_unregister(struct zfcp_adapter *);
Swen Schillig5ffd51a2009-03-02 13:09:04 +010039extern void zfcp_rec_dbf_event_thread(char *, struct zfcp_adapter *);
40extern void zfcp_rec_dbf_event_thread_lock(char *, struct zfcp_adapter *);
41extern void zfcp_rec_dbf_event_adapter(char *, void *, struct zfcp_adapter *);
42extern void zfcp_rec_dbf_event_port(char *, void *, struct zfcp_port *);
43extern void zfcp_rec_dbf_event_unit(char *, void *, struct zfcp_unit *);
44extern void zfcp_rec_dbf_event_trigger(char *, void *, u8, u8, void *,
Christof Schmitt92c299d2008-07-02 10:56:41 +020045 struct zfcp_adapter *,
Martin Peschke9467a9b2008-03-27 14:22:03 +010046 struct zfcp_port *, struct zfcp_unit *);
Swen Schillig5ffd51a2009-03-02 13:09:04 +010047extern void zfcp_rec_dbf_event_action(char *, struct zfcp_erp_action *);
Christof Schmitt2e261af2009-08-18 15:43:09 +020048extern void _zfcp_hba_dbf_event_fsf_response(const char *, int level,
49 struct zfcp_fsf_req *,
50 struct zfcp_dbf *dbf);
51extern void _zfcp_hba_dbf_event_fsf_unsol(const char *, int level,
52 struct zfcp_adapter *,
53 struct fsf_status_read_buffer *);
Swen Schillig564e1c82009-08-18 15:43:19 +020054extern void zfcp_hba_dbf_event_qdio(struct zfcp_qdio *, unsigned int, int,
Jan Glauber779e6e12008-07-17 17:16:48 +020055 int);
Swen Schillig57069382008-10-01 12:42:21 +020056extern void zfcp_hba_dbf_event_berr(struct zfcp_adapter *,
57 struct zfcp_fsf_req *);
Maxim Shchetynin8a36e452005-09-13 21:50:38 +020058extern void zfcp_san_dbf_event_ct_request(struct zfcp_fsf_req *);
59extern void zfcp_san_dbf_event_ct_response(struct zfcp_fsf_req *);
60extern void zfcp_san_dbf_event_els_request(struct zfcp_fsf_req *);
61extern void zfcp_san_dbf_event_els_response(struct zfcp_fsf_req *);
62extern void zfcp_san_dbf_event_incoming_els(struct zfcp_fsf_req *);
Christof Schmittdcd20e22009-08-18 15:43:08 +020063extern void _zfcp_scsi_dbf_event(const char *, const char *, int,
64 struct zfcp_dbf *, struct scsi_cmnd *,
65 struct zfcp_fsf_req *, unsigned long);
Maxim Shchetynin8a36e452005-09-13 21:50:38 +020066
Christof Schmitt92c299d2008-07-02 10:56:41 +020067/* zfcp_erp.c */
Swen Schillig5ffd51a2009-03-02 13:09:04 +010068extern void zfcp_erp_modify_adapter_status(struct zfcp_adapter *, char *,
69 void *, u32, int);
70extern void zfcp_erp_adapter_reopen(struct zfcp_adapter *, int, char *, void *);
71extern void zfcp_erp_adapter_shutdown(struct zfcp_adapter *, int, char *,
72 void *);
73extern void zfcp_erp_adapter_failed(struct zfcp_adapter *, char *, void *);
74extern void zfcp_erp_modify_port_status(struct zfcp_port *, char *, void *, u32,
Christof Schmitt92c299d2008-07-02 10:56:41 +020075 int);
Swen Schillig5ffd51a2009-03-02 13:09:04 +010076extern int zfcp_erp_port_reopen(struct zfcp_port *, int, char *, void *);
77extern void zfcp_erp_port_shutdown(struct zfcp_port *, int, char *, void *);
78extern void zfcp_erp_port_forced_reopen(struct zfcp_port *, int, char *,
79 void *);
80extern void zfcp_erp_port_failed(struct zfcp_port *, char *, void *);
81extern void zfcp_erp_modify_unit_status(struct zfcp_unit *, char *, void *, u32,
Christof Schmitt92c299d2008-07-02 10:56:41 +020082 int);
Swen Schillig5ffd51a2009-03-02 13:09:04 +010083extern void zfcp_erp_unit_reopen(struct zfcp_unit *, int, char *, void *);
84extern void zfcp_erp_unit_shutdown(struct zfcp_unit *, int, char *, void *);
85extern void zfcp_erp_unit_failed(struct zfcp_unit *, char *, void *);
Christof Schmitt92c299d2008-07-02 10:56:41 +020086extern int zfcp_erp_thread_setup(struct zfcp_adapter *);
87extern void zfcp_erp_thread_kill(struct zfcp_adapter *);
88extern void zfcp_erp_wait(struct zfcp_adapter *);
89extern void zfcp_erp_notify(struct zfcp_erp_action *, unsigned long);
Swen Schillig5ffd51a2009-03-02 13:09:04 +010090extern void zfcp_erp_port_boxed(struct zfcp_port *, char *, void *);
91extern void zfcp_erp_unit_boxed(struct zfcp_unit *, char *, void *);
92extern void zfcp_erp_port_access_denied(struct zfcp_port *, char *, void *);
93extern void zfcp_erp_unit_access_denied(struct zfcp_unit *, char *, void *);
94extern void zfcp_erp_adapter_access_changed(struct zfcp_adapter *, char *,
95 void *);
Christof Schmitt92c299d2008-07-02 10:56:41 +020096extern void zfcp_erp_timeout_handler(unsigned long);
97
98/* zfcp_fc.c */
99extern int zfcp_scan_ports(struct zfcp_adapter *);
100extern void _zfcp_scan_ports_later(struct work_struct *);
101extern void zfcp_fc_incoming_els(struct zfcp_fsf_req *);
Christof Schmitt799b76d2009-08-18 15:43:20 +0200102extern void zfcp_fc_port_did_lookup(struct work_struct *);
Christof Schmitt92c299d2008-07-02 10:56:41 +0200103extern void zfcp_fc_plogi_evaluate(struct zfcp_port *, struct fsf_plogi *);
104extern void zfcp_test_link(struct zfcp_port *);
Christof Schmitt8fdf30d2009-03-02 13:09:01 +0100105extern void zfcp_fc_link_test_work(struct work_struct *);
Christof Schmitt55c770f2009-08-18 15:43:12 +0200106extern void zfcp_fc_wka_ports_force_offline(struct zfcp_wka_ports *);
Sven Schuetz9d544f22009-04-06 18:31:47 +0200107extern void zfcp_fc_wka_ports_init(struct zfcp_adapter *);
108extern int zfcp_fc_execute_els_fc_job(struct fc_bsg_job *);
109extern int zfcp_fc_execute_ct_fc_job(struct fc_bsg_job *);
Christof Schmitt92c299d2008-07-02 10:56:41 +0200110
111/* zfcp_fsf.c */
112extern int zfcp_fsf_open_port(struct zfcp_erp_action *);
Swen Schillig5ab944f2008-10-01 12:42:17 +0200113extern int zfcp_fsf_open_wka_port(struct zfcp_wka_port *);
114extern int zfcp_fsf_close_wka_port(struct zfcp_wka_port *);
Christof Schmitt92c299d2008-07-02 10:56:41 +0200115extern int zfcp_fsf_close_port(struct zfcp_erp_action *);
116extern int zfcp_fsf_close_physical_port(struct zfcp_erp_action *);
117extern int zfcp_fsf_open_unit(struct zfcp_erp_action *);
118extern int zfcp_fsf_close_unit(struct zfcp_erp_action *);
119extern int zfcp_fsf_exchange_config_data(struct zfcp_erp_action *);
Swen Schillig564e1c82009-08-18 15:43:19 +0200120extern int zfcp_fsf_exchange_config_data_sync(struct zfcp_qdio *,
Christof Schmitt92c299d2008-07-02 10:56:41 +0200121 struct fsf_qtcb_bottom_config *);
122extern int zfcp_fsf_exchange_port_data(struct zfcp_erp_action *);
Swen Schillig564e1c82009-08-18 15:43:19 +0200123extern int zfcp_fsf_exchange_port_data_sync(struct zfcp_qdio *,
Christof Schmitt92c299d2008-07-02 10:56:41 +0200124 struct fsf_qtcb_bottom_port *);
125extern struct zfcp_fsf_req *zfcp_fsf_control_file(struct zfcp_adapter *,
126 struct zfcp_fsf_cfdc *);
127extern void zfcp_fsf_req_dismiss_all(struct zfcp_adapter *);
Swen Schillig564e1c82009-08-18 15:43:19 +0200128extern int zfcp_fsf_status_read(struct zfcp_qdio *);
Christof Schmitt92c299d2008-07-02 10:56:41 +0200129extern int zfcp_status_read_refill(struct zfcp_adapter *adapter);
Christof Schmitt799b76d2009-08-18 15:43:20 +0200130extern int zfcp_fsf_send_ct(struct zfcp_send_ct *, mempool_t *);
Christof Schmitt92c299d2008-07-02 10:56:41 +0200131extern int zfcp_fsf_send_els(struct zfcp_send_els *);
Christof Schmitt63caf362009-03-02 13:09:00 +0100132extern int zfcp_fsf_send_fcp_command_task(struct zfcp_unit *,
133 struct scsi_cmnd *);
Christof Schmitt92c299d2008-07-02 10:56:41 +0200134extern void zfcp_fsf_req_free(struct zfcp_fsf_req *);
Christof Schmitt63caf362009-03-02 13:09:00 +0100135extern struct zfcp_fsf_req *zfcp_fsf_send_fcp_ctm(struct zfcp_unit *, u8);
Christof Schmitt92c299d2008-07-02 10:56:41 +0200136extern struct zfcp_fsf_req *zfcp_fsf_abort_fcp_command(unsigned long,
Christof Schmitt63caf362009-03-02 13:09:00 +0100137 struct zfcp_unit *);
Swen Schillig564e1c82009-08-18 15:43:19 +0200138extern void zfcp_fsf_reqid_check(struct zfcp_qdio *, int);
Christof Schmitt92c299d2008-07-02 10:56:41 +0200139
140/* zfcp_qdio.c */
Swen Schillig564e1c82009-08-18 15:43:19 +0200141extern int zfcp_qdio_allocate(struct zfcp_qdio *, struct ccw_device *);
142extern void zfcp_qdio_free(struct zfcp_qdio *);
143extern int zfcp_qdio_send(struct zfcp_qdio *, struct zfcp_queue_req *);
Swen Schillig42428f72009-08-18 15:43:18 +0200144extern struct qdio_buffer_element
Swen Schillig564e1c82009-08-18 15:43:19 +0200145 *zfcp_qdio_sbale_req(struct zfcp_qdio *, struct zfcp_queue_req *);
Swen Schillig42428f72009-08-18 15:43:18 +0200146extern struct qdio_buffer_element
Swen Schillig564e1c82009-08-18 15:43:19 +0200147 *zfcp_qdio_sbale_curr(struct zfcp_qdio *, struct zfcp_queue_req *);
148extern int zfcp_qdio_sbals_from_sg(struct zfcp_qdio *,
Swen Schillig42428f72009-08-18 15:43:18 +0200149 struct zfcp_queue_req *, unsigned long,
Christof Schmitt92c299d2008-07-02 10:56:41 +0200150 struct scatterlist *, int);
Swen Schillig564e1c82009-08-18 15:43:19 +0200151extern int zfcp_qdio_open(struct zfcp_qdio *);
152extern void zfcp_qdio_close(struct zfcp_qdio *);
Christof Schmitt92c299d2008-07-02 10:56:41 +0200153
154/* zfcp_scsi.c */
155extern struct zfcp_data zfcp_data;
156extern int zfcp_adapter_scsi_register(struct zfcp_adapter *);
157extern void zfcp_adapter_scsi_unregister(struct zfcp_adapter *);
Christof Schmitt92c299d2008-07-02 10:56:41 +0200158extern char *zfcp_get_fcp_sns_info_ptr(struct fcp_rsp_iu *);
159extern struct fc_function_template zfcp_transport_functions;
Christof Schmitta2fa0ae2009-03-02 13:09:08 +0100160extern void zfcp_scsi_rport_work(struct work_struct *);
161extern void zfcp_scsi_schedule_rport_register(struct zfcp_port *);
162extern void zfcp_scsi_schedule_rport_block(struct zfcp_port *);
163extern void zfcp_scsi_schedule_rports_block(struct zfcp_adapter *);
Swen Schillig92d51932009-04-17 15:08:04 +0200164extern void zfcp_scsi_scan(struct work_struct *);
Christof Schmitt92c299d2008-07-02 10:56:41 +0200165
166/* zfcp_sysfs.c */
167extern struct attribute_group zfcp_sysfs_unit_attrs;
168extern struct attribute_group zfcp_sysfs_adapter_attrs;
Christof Schmitt92c299d2008-07-02 10:56:41 +0200169extern struct attribute_group zfcp_sysfs_port_attrs;
170extern struct device_attribute *zfcp_sysfs_sdev_attrs[];
171extern struct device_attribute *zfcp_sysfs_shost_attrs[];
Christof Schmitt45633fd2008-06-10 18:20:55 +0200172
Linus Torvalds1da177e2005-04-16 15:20:36 -0700173#endif /* ZFCP_EXT_H */