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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 Schmitt1674b402010-04-30 18:09:34 +02006 * Copyright IBM Corporation 2002, 2010
Linus Torvalds1da177e2005-04-16 15:20:36 -07007 */
8
9#ifndef ZFCP_EXT_H
10#define ZFCP_EXT_H
11
Christof Schmitt9d05ce22009-11-24 16:54:09 +010012#include <linux/types.h>
13#include <scsi/fc/fc_els.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070014#include "zfcp_def.h"
Christof Schmitt7c7dc192009-11-24 16:54:13 +010015#include "zfcp_fc.h"
Linus Torvalds1da177e2005-04-16 15:20:36 -070016
Christof Schmitt92c299d2008-07-02 10:56:41 +020017/* zfcp_aux.c */
Swen Schillig7ba58c92008-10-01 12:42:18 +020018extern struct zfcp_unit *zfcp_get_unit_by_lun(struct zfcp_port *, u64);
19extern struct zfcp_port *zfcp_get_port_by_wwpn(struct zfcp_adapter *, u64);
Swen Schilligde3dc572009-11-24 16:54:00 +010020extern struct zfcp_adapter *zfcp_adapter_enqueue(struct ccw_device *);
Swen Schillig7ba58c92008-10-01 12:42:18 +020021extern struct zfcp_port *zfcp_port_enqueue(struct zfcp_adapter *, u64, u32,
Christof Schmitt92c299d2008-07-02 10:56:41 +020022 u32);
Swen Schillig7ba58c92008-10-01 12:42:18 +020023extern struct zfcp_unit *zfcp_unit_enqueue(struct zfcp_port *, u64);
Christof Schmitt92c299d2008-07-02 10:56:41 +020024extern void zfcp_sg_free_table(struct scatterlist *, int);
25extern int zfcp_sg_setup_table(struct scatterlist *, int);
Swen Schilligf3450c72009-11-24 16:53:59 +010026extern void zfcp_device_unregister(struct device *,
27 const struct attribute_group *);
28extern void zfcp_adapter_release(struct kref *);
Swen Schilligde3dc572009-11-24 16:54:00 +010029extern void zfcp_adapter_unregister(struct zfcp_adapter *);
Linus Torvalds1da177e2005-04-16 15:20:36 -070030
Christof Schmitt92c299d2008-07-02 10:56:41 +020031/* zfcp_ccw.c */
Christof Schmitt6fcf41d2009-05-15 13:18:21 +020032extern int zfcp_ccw_priv_sch(struct zfcp_adapter *);
Christof Schmittc5afd812009-09-24 10:23:22 +020033extern struct ccw_driver zfcp_ccw_driver;
Swen Schilligde3dc572009-11-24 16:54:00 +010034extern struct zfcp_adapter *zfcp_ccw_adapter_by_cdev(struct ccw_device *);
35extern void zfcp_ccw_adapter_put(struct zfcp_adapter *);
Linus Torvalds1da177e2005-04-16 15:20:36 -070036
Christof Schmitt92c299d2008-07-02 10:56:41 +020037/* zfcp_cfdc.c */
38extern struct miscdevice zfcp_cfdc_misc;
Linus Torvalds1da177e2005-04-16 15:20:36 -070039
Christof Schmitt92c299d2008-07-02 10:56:41 +020040/* zfcp_dbf.c */
Swen Schillig57717102009-08-18 15:43:21 +020041extern int zfcp_dbf_adapter_register(struct zfcp_adapter *);
42extern void zfcp_dbf_adapter_unregister(struct zfcp_dbf *);
43extern void zfcp_dbf_rec_thread(char *, struct zfcp_dbf *);
44extern void zfcp_dbf_rec_thread_lock(char *, struct zfcp_dbf *);
45extern void zfcp_dbf_rec_adapter(char *, void *, struct zfcp_dbf *);
46extern void zfcp_dbf_rec_port(char *, void *, struct zfcp_port *);
47extern void zfcp_dbf_rec_unit(char *, void *, struct zfcp_unit *);
48extern void zfcp_dbf_rec_trigger(char *, void *, u8, u8, void *,
49 struct zfcp_adapter *, struct zfcp_port *,
50 struct zfcp_unit *);
51extern void zfcp_dbf_rec_action(char *, struct zfcp_erp_action *);
52extern void _zfcp_dbf_hba_fsf_response(const char *, int, struct zfcp_fsf_req *,
53 struct zfcp_dbf *);
54extern void _zfcp_dbf_hba_fsf_unsol(const char *, int level, struct zfcp_dbf *,
Christof Schmitt2e261af2009-08-18 15:43:09 +020055 struct fsf_status_read_buffer *);
Swen Schillig57717102009-08-18 15:43:21 +020056extern void zfcp_dbf_hba_qdio(struct zfcp_dbf *, unsigned int, int, int);
57extern void zfcp_dbf_hba_berr(struct zfcp_dbf *, struct zfcp_fsf_req *);
Christof Schmitt7c7dc192009-11-24 16:54:13 +010058extern void zfcp_dbf_san_ct_request(struct zfcp_fsf_req *, u32);
Swen Schillig57717102009-08-18 15:43:21 +020059extern void zfcp_dbf_san_ct_response(struct zfcp_fsf_req *);
60extern void zfcp_dbf_san_els_request(struct zfcp_fsf_req *);
61extern void zfcp_dbf_san_els_response(struct zfcp_fsf_req *);
62extern void zfcp_dbf_san_incoming_els(struct zfcp_fsf_req *);
63extern void _zfcp_dbf_scsi(const char *, const char *, int, struct zfcp_dbf *,
64 struct scsi_cmnd *, struct zfcp_fsf_req *,
65 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 */
Swen Schillig9eae07e2009-11-24 16:54:06 +010099extern void zfcp_fc_scan_ports(struct work_struct *);
Christof Schmitt92c299d2008-07-02 10:56:41 +0200100extern void zfcp_fc_incoming_els(struct zfcp_fsf_req *);
Christof Schmitt799b76d2009-08-18 15:43:20 +0200101extern void zfcp_fc_port_did_lookup(struct work_struct *);
Christof Schmitt934aeb5872009-10-14 11:00:43 +0200102extern void zfcp_fc_trigger_did_lookup(struct zfcp_port *);
Christof Schmitt9d05ce22009-11-24 16:54:09 +0100103extern void zfcp_fc_plogi_evaluate(struct zfcp_port *, struct fc_els_flogi *);
Swen Schillig6f53a2d2009-08-18 15:43:23 +0200104extern void zfcp_fc_test_link(struct zfcp_port *);
Christof Schmitt8fdf30d2009-03-02 13:09:01 +0100105extern void zfcp_fc_link_test_work(struct work_struct *);
Christof Schmittbd0072e2009-11-24 16:54:11 +0100106extern void zfcp_fc_wka_ports_force_offline(struct zfcp_fc_wka_ports *);
Swen Schilligd5a282a2009-08-18 15:43:22 +0200107extern int zfcp_fc_gs_setup(struct zfcp_adapter *);
108extern void zfcp_fc_gs_destroy(struct zfcp_adapter *);
Christof Schmitt7c7dc192009-11-24 16:54:13 +0100109extern int zfcp_fc_exec_bsg_job(struct fc_bsg_job *);
Swen Schillig491ca442010-01-14 17:19:01 +0100110extern int zfcp_fc_timeout_bsg_job(struct fc_bsg_job *);
Christof Schmitt92c299d2008-07-02 10:56:41 +0200111
112/* zfcp_fsf.c */
113extern int zfcp_fsf_open_port(struct zfcp_erp_action *);
Christof Schmittbd0072e2009-11-24 16:54:11 +0100114extern int zfcp_fsf_open_wka_port(struct zfcp_fc_wka_port *);
115extern int zfcp_fsf_close_wka_port(struct zfcp_fc_wka_port *);
Christof Schmitt92c299d2008-07-02 10:56:41 +0200116extern int zfcp_fsf_close_port(struct zfcp_erp_action *);
117extern int zfcp_fsf_close_physical_port(struct zfcp_erp_action *);
118extern int zfcp_fsf_open_unit(struct zfcp_erp_action *);
119extern int zfcp_fsf_close_unit(struct zfcp_erp_action *);
120extern int zfcp_fsf_exchange_config_data(struct zfcp_erp_action *);
Swen Schillig564e1c82009-08-18 15:43:19 +0200121extern int zfcp_fsf_exchange_config_data_sync(struct zfcp_qdio *,
Christof Schmitt92c299d2008-07-02 10:56:41 +0200122 struct fsf_qtcb_bottom_config *);
123extern int zfcp_fsf_exchange_port_data(struct zfcp_erp_action *);
Swen Schillig564e1c82009-08-18 15:43:19 +0200124extern int zfcp_fsf_exchange_port_data_sync(struct zfcp_qdio *,
Christof Schmitt92c299d2008-07-02 10:56:41 +0200125 struct fsf_qtcb_bottom_port *);
126extern struct zfcp_fsf_req *zfcp_fsf_control_file(struct zfcp_adapter *,
127 struct zfcp_fsf_cfdc *);
128extern void zfcp_fsf_req_dismiss_all(struct zfcp_adapter *);
Swen Schillig564e1c82009-08-18 15:43:19 +0200129extern int zfcp_fsf_status_read(struct zfcp_qdio *);
Christof Schmitt92c299d2008-07-02 10:56:41 +0200130extern int zfcp_status_read_refill(struct zfcp_adapter *adapter);
Christof Schmitt7c7dc192009-11-24 16:54:13 +0100131extern int zfcp_fsf_send_ct(struct zfcp_fc_wka_port *, struct zfcp_fsf_ct_els *,
Swen Schillig51375ee2010-01-14 17:19:02 +0100132 mempool_t *, unsigned int);
Christof Schmitt7c7dc192009-11-24 16:54:13 +0100133extern int zfcp_fsf_send_els(struct zfcp_adapter *, u32,
Swen Schillig51375ee2010-01-14 17:19:02 +0100134 struct zfcp_fsf_ct_els *, unsigned int);
Christof Schmitt63caf362009-03-02 13:09:00 +0100135extern int zfcp_fsf_send_fcp_command_task(struct zfcp_unit *,
136 struct scsi_cmnd *);
Christof Schmitt92c299d2008-07-02 10:56:41 +0200137extern void zfcp_fsf_req_free(struct zfcp_fsf_req *);
Christof Schmitt63caf362009-03-02 13:09:00 +0100138extern struct zfcp_fsf_req *zfcp_fsf_send_fcp_ctm(struct zfcp_unit *, u8);
Christof Schmitt92c299d2008-07-02 10:56:41 +0200139extern struct zfcp_fsf_req *zfcp_fsf_abort_fcp_command(unsigned long,
Christof Schmitt63caf362009-03-02 13:09:00 +0100140 struct zfcp_unit *);
Swen Schillig564e1c82009-08-18 15:43:19 +0200141extern void zfcp_fsf_reqid_check(struct zfcp_qdio *, int);
Christof Schmitt92c299d2008-07-02 10:56:41 +0200142
143/* zfcp_qdio.c */
Swen Schilligd5a282a2009-08-18 15:43:22 +0200144extern int zfcp_qdio_setup(struct zfcp_adapter *);
145extern void zfcp_qdio_destroy(struct zfcp_qdio *);
Christof Schmitt6b9e1522010-04-30 18:09:35 +0200146extern int zfcp_qdio_sbal_get(struct zfcp_qdio *);
Christof Schmitt34c2b712010-02-17 11:18:59 +0100147extern int zfcp_qdio_send(struct zfcp_qdio *, struct zfcp_qdio_req *);
Christof Schmitt1674b402010-04-30 18:09:34 +0200148extern int zfcp_qdio_sbals_from_sg(struct zfcp_qdio *, struct zfcp_qdio_req *,
Christof Schmitt92c299d2008-07-02 10:56:41 +0200149 struct scatterlist *, int);
Swen Schillig564e1c82009-08-18 15:43:19 +0200150extern int zfcp_qdio_open(struct zfcp_qdio *);
151extern void zfcp_qdio_close(struct zfcp_qdio *);
Christof Schmitt92c299d2008-07-02 10:56:41 +0200152
153/* zfcp_scsi.c */
154extern struct zfcp_data zfcp_data;
155extern int zfcp_adapter_scsi_register(struct zfcp_adapter *);
156extern void zfcp_adapter_scsi_unregister(struct zfcp_adapter *);
Christof Schmitt92c299d2008-07-02 10:56:41 +0200157extern struct fc_function_template zfcp_transport_functions;
Christof Schmitta2fa0ae2009-03-02 13:09:08 +0100158extern void zfcp_scsi_rport_work(struct work_struct *);
159extern void zfcp_scsi_schedule_rport_register(struct zfcp_port *);
160extern void zfcp_scsi_schedule_rport_block(struct zfcp_port *);
161extern void zfcp_scsi_schedule_rports_block(struct zfcp_adapter *);
Swen Schillig92d51932009-04-17 15:08:04 +0200162extern void zfcp_scsi_scan(struct work_struct *);
Christof Schmitt92c299d2008-07-02 10:56:41 +0200163
164/* zfcp_sysfs.c */
165extern struct attribute_group zfcp_sysfs_unit_attrs;
166extern struct attribute_group zfcp_sysfs_adapter_attrs;
Christof Schmitt92c299d2008-07-02 10:56:41 +0200167extern struct attribute_group zfcp_sysfs_port_attrs;
168extern struct device_attribute *zfcp_sysfs_sdev_attrs[];
169extern struct device_attribute *zfcp_sysfs_shost_attrs[];
Christof Schmitt45633fd2008-06-10 18:20:55 +0200170
Linus Torvalds1da177e2005-04-16 15:20:36 -0700171#endif /* ZFCP_EXT_H */