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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_port *zfcp_get_port_by_wwpn(struct zfcp_adapter *, u64);
Swen Schilligde3dc572009-11-24 16:54:00 +010019extern struct zfcp_adapter *zfcp_adapter_enqueue(struct ccw_device *);
Swen Schillig7ba58c92008-10-01 12:42:18 +020020extern struct zfcp_port *zfcp_port_enqueue(struct zfcp_adapter *, u64, u32,
Christof Schmitt92c299d2008-07-02 10:56:41 +020021 u32);
Christof Schmitt92c299d2008-07-02 10:56:41 +020022extern void zfcp_sg_free_table(struct scatterlist *, int);
23extern int zfcp_sg_setup_table(struct scatterlist *, int);
Swen Schilligf3450c72009-11-24 16:53:59 +010024extern void zfcp_device_unregister(struct device *,
25 const struct attribute_group *);
26extern void zfcp_adapter_release(struct kref *);
Swen Schilligde3dc572009-11-24 16:54:00 +010027extern void zfcp_adapter_unregister(struct zfcp_adapter *);
Linus Torvalds1da177e2005-04-16 15:20:36 -070028
Christof Schmitt92c299d2008-07-02 10:56:41 +020029/* zfcp_ccw.c */
Christof Schmitt6fcf41d2009-05-15 13:18:21 +020030extern int zfcp_ccw_priv_sch(struct zfcp_adapter *);
Christof Schmittc5afd812009-09-24 10:23:22 +020031extern struct ccw_driver zfcp_ccw_driver;
Swen Schilligde3dc572009-11-24 16:54:00 +010032extern struct zfcp_adapter *zfcp_ccw_adapter_by_cdev(struct ccw_device *);
33extern void zfcp_ccw_adapter_put(struct zfcp_adapter *);
Linus Torvalds1da177e2005-04-16 15:20:36 -070034
Christof Schmitt92c299d2008-07-02 10:56:41 +020035/* zfcp_cfdc.c */
36extern struct miscdevice zfcp_cfdc_misc;
Christof Schmitta1ca4832010-09-08 14:39:59 +020037extern void zfcp_cfdc_port_denied(struct zfcp_port *, union fsf_status_qual *);
38extern void zfcp_cfdc_lun_denied(struct scsi_device *, union fsf_status_qual *);
39extern void zfcp_cfdc_lun_shrng_vltn(struct scsi_device *,
40 union fsf_status_qual *);
41extern int zfcp_cfdc_open_lun_eval(struct scsi_device *,
42 struct fsf_qtcb_bottom_support *);
43extern void zfcp_cfdc_adapter_access_changed(struct zfcp_adapter *);
44
Linus Torvalds1da177e2005-04-16 15:20:36 -070045
Christof Schmitt92c299d2008-07-02 10:56:41 +020046/* zfcp_dbf.c */
Swen Schillig57717102009-08-18 15:43:21 +020047extern int zfcp_dbf_adapter_register(struct zfcp_adapter *);
48extern void zfcp_dbf_adapter_unregister(struct zfcp_dbf *);
Swen Schilligae0904f2010-12-02 15:16:12 +010049extern void zfcp_dbf_rec_trig(char *, struct zfcp_adapter *,
50 struct zfcp_port *, struct scsi_device *, u8, u8);
51extern void zfcp_dbf_rec_run(char *, struct zfcp_erp_action *);
Swen Schilliga54ca0f2010-12-02 15:16:14 +010052extern void zfcp_dbf_hba_fsf_uss(char *, struct zfcp_fsf_req *);
53extern void zfcp_dbf_hba_fsf_res(char *, struct zfcp_fsf_req *);
54extern void zfcp_dbf_hba_bit_err(char *, struct zfcp_fsf_req *);
Swen Schillig57717102009-08-18 15:43:21 +020055extern void zfcp_dbf_hba_berr(struct zfcp_dbf *, struct zfcp_fsf_req *);
Swen Schillig2c55b752010-12-02 15:16:13 +010056extern void zfcp_dbf_san_req(char *, struct zfcp_fsf_req *, u32);
57extern void zfcp_dbf_san_res(char *, struct zfcp_fsf_req *);
58extern void zfcp_dbf_san_in_els(char *, struct zfcp_fsf_req *);
Swen Schillig57717102009-08-18 15:43:21 +020059extern 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 Schilligedaed852010-09-08 14:40:01 +020064extern void zfcp_erp_set_adapter_status(struct zfcp_adapter *, u32);
65extern void zfcp_erp_clear_adapter_status(struct zfcp_adapter *, u32);
Swen Schillig5ffd51a2009-03-02 13:09:04 +010066extern void zfcp_erp_adapter_reopen(struct zfcp_adapter *, int, char *, void *);
67extern void zfcp_erp_adapter_shutdown(struct zfcp_adapter *, int, char *,
68 void *);
Swen Schilligedaed852010-09-08 14:40:01 +020069extern void zfcp_erp_set_port_status(struct zfcp_port *, u32);
70extern void zfcp_erp_clear_port_status(struct zfcp_port *, u32);
Swen Schillig5ffd51a2009-03-02 13:09:04 +010071extern int zfcp_erp_port_reopen(struct zfcp_port *, int, char *, void *);
72extern void zfcp_erp_port_shutdown(struct zfcp_port *, int, char *, void *);
73extern void zfcp_erp_port_forced_reopen(struct zfcp_port *, int, char *,
74 void *);
Swen Schilligedaed852010-09-08 14:40:01 +020075extern void zfcp_erp_set_lun_status(struct scsi_device *, u32);
76extern void zfcp_erp_clear_lun_status(struct scsi_device *, u32);
Christof Schmittb62a8d92010-09-08 14:39:55 +020077extern void zfcp_erp_lun_reopen(struct scsi_device *, int, char *, void *);
78extern void zfcp_erp_lun_shutdown(struct scsi_device *, int, char *, void *);
79extern void zfcp_erp_lun_shutdown_wait(struct scsi_device *, char *);
Christof Schmitt92c299d2008-07-02 10:56:41 +020080extern int zfcp_erp_thread_setup(struct zfcp_adapter *);
81extern void zfcp_erp_thread_kill(struct zfcp_adapter *);
82extern void zfcp_erp_wait(struct zfcp_adapter *);
83extern void zfcp_erp_notify(struct zfcp_erp_action *, unsigned long);
Christof Schmitt92c299d2008-07-02 10:56:41 +020084extern void zfcp_erp_timeout_handler(unsigned long);
85
86/* zfcp_fc.c */
Sven Schuetz2d1e5472010-07-16 15:37:39 +020087extern void zfcp_fc_enqueue_event(struct zfcp_adapter *,
88 enum fc_host_event_code event_code, u32);
89extern void zfcp_fc_post_event(struct work_struct *);
Swen Schillig9eae07e2009-11-24 16:54:06 +010090extern void zfcp_fc_scan_ports(struct work_struct *);
Christof Schmitt92c299d2008-07-02 10:56:41 +020091extern void zfcp_fc_incoming_els(struct zfcp_fsf_req *);
Christof Schmitt799b76d2009-08-18 15:43:20 +020092extern void zfcp_fc_port_did_lookup(struct work_struct *);
Christof Schmitt934aeb5872009-10-14 11:00:43 +020093extern void zfcp_fc_trigger_did_lookup(struct zfcp_port *);
Christof Schmitt9d05ce22009-11-24 16:54:09 +010094extern void zfcp_fc_plogi_evaluate(struct zfcp_port *, struct fc_els_flogi *);
Swen Schillig6f53a2d2009-08-18 15:43:23 +020095extern void zfcp_fc_test_link(struct zfcp_port *);
Christof Schmitt8fdf30d2009-03-02 13:09:01 +010096extern void zfcp_fc_link_test_work(struct work_struct *);
Christof Schmittbd0072e2009-11-24 16:54:11 +010097extern void zfcp_fc_wka_ports_force_offline(struct zfcp_fc_wka_ports *);
Swen Schilligd5a282a2009-08-18 15:43:22 +020098extern int zfcp_fc_gs_setup(struct zfcp_adapter *);
99extern void zfcp_fc_gs_destroy(struct zfcp_adapter *);
Christof Schmitt7c7dc192009-11-24 16:54:13 +0100100extern int zfcp_fc_exec_bsg_job(struct fc_bsg_job *);
Swen Schillig491ca442010-01-14 17:19:01 +0100101extern int zfcp_fc_timeout_bsg_job(struct fc_bsg_job *);
Christof Schmitt92c299d2008-07-02 10:56:41 +0200102
103/* zfcp_fsf.c */
104extern int zfcp_fsf_open_port(struct zfcp_erp_action *);
Christof Schmittbd0072e2009-11-24 16:54:11 +0100105extern int zfcp_fsf_open_wka_port(struct zfcp_fc_wka_port *);
106extern int zfcp_fsf_close_wka_port(struct zfcp_fc_wka_port *);
Christof Schmitt92c299d2008-07-02 10:56:41 +0200107extern int zfcp_fsf_close_port(struct zfcp_erp_action *);
108extern int zfcp_fsf_close_physical_port(struct zfcp_erp_action *);
Christof Schmittb62a8d92010-09-08 14:39:55 +0200109extern int zfcp_fsf_open_lun(struct zfcp_erp_action *);
110extern int zfcp_fsf_close_lun(struct zfcp_erp_action *);
Christof Schmitt92c299d2008-07-02 10:56:41 +0200111extern int zfcp_fsf_exchange_config_data(struct zfcp_erp_action *);
Swen Schillig564e1c82009-08-18 15:43:19 +0200112extern int zfcp_fsf_exchange_config_data_sync(struct zfcp_qdio *,
Christof Schmitt92c299d2008-07-02 10:56:41 +0200113 struct fsf_qtcb_bottom_config *);
114extern int zfcp_fsf_exchange_port_data(struct zfcp_erp_action *);
Swen Schillig564e1c82009-08-18 15:43:19 +0200115extern int zfcp_fsf_exchange_port_data_sync(struct zfcp_qdio *,
Christof Schmitt92c299d2008-07-02 10:56:41 +0200116 struct fsf_qtcb_bottom_port *);
117extern struct zfcp_fsf_req *zfcp_fsf_control_file(struct zfcp_adapter *,
118 struct zfcp_fsf_cfdc *);
119extern void zfcp_fsf_req_dismiss_all(struct zfcp_adapter *);
Swen Schillig564e1c82009-08-18 15:43:19 +0200120extern int zfcp_fsf_status_read(struct zfcp_qdio *);
Christof Schmitt92c299d2008-07-02 10:56:41 +0200121extern int zfcp_status_read_refill(struct zfcp_adapter *adapter);
Christof Schmitt7c7dc192009-11-24 16:54:13 +0100122extern int zfcp_fsf_send_ct(struct zfcp_fc_wka_port *, struct zfcp_fsf_ct_els *,
Swen Schillig51375ee2010-01-14 17:19:02 +0100123 mempool_t *, unsigned int);
Christof Schmitt7c7dc192009-11-24 16:54:13 +0100124extern int zfcp_fsf_send_els(struct zfcp_adapter *, u32,
Swen Schillig51375ee2010-01-14 17:19:02 +0100125 struct zfcp_fsf_ct_els *, unsigned int);
Christof Schmittb62a8d92010-09-08 14:39:55 +0200126extern int zfcp_fsf_fcp_cmnd(struct scsi_cmnd *);
Christof Schmitt92c299d2008-07-02 10:56:41 +0200127extern void zfcp_fsf_req_free(struct zfcp_fsf_req *);
Christof Schmittb62a8d92010-09-08 14:39:55 +0200128extern struct zfcp_fsf_req *zfcp_fsf_fcp_task_mgmt(struct scsi_cmnd *, u8);
129extern struct zfcp_fsf_req *zfcp_fsf_abort_fcp_cmnd(struct scsi_cmnd *);
Swen Schillig564e1c82009-08-18 15:43:19 +0200130extern void zfcp_fsf_reqid_check(struct zfcp_qdio *, int);
Christof Schmitt92c299d2008-07-02 10:56:41 +0200131
132/* zfcp_qdio.c */
Swen Schilligd5a282a2009-08-18 15:43:22 +0200133extern int zfcp_qdio_setup(struct zfcp_adapter *);
134extern void zfcp_qdio_destroy(struct zfcp_qdio *);
Christof Schmitt6b9e1522010-04-30 18:09:35 +0200135extern int zfcp_qdio_sbal_get(struct zfcp_qdio *);
Christof Schmitt34c2b712010-02-17 11:18:59 +0100136extern int zfcp_qdio_send(struct zfcp_qdio *, struct zfcp_qdio_req *);
Christof Schmitt1674b402010-04-30 18:09:34 +0200137extern int zfcp_qdio_sbals_from_sg(struct zfcp_qdio *, struct zfcp_qdio_req *,
Swen Schillig01b04752010-07-16 15:37:37 +0200138 struct scatterlist *);
Swen Schillig564e1c82009-08-18 15:43:19 +0200139extern int zfcp_qdio_open(struct zfcp_qdio *);
140extern void zfcp_qdio_close(struct zfcp_qdio *);
Christof Schmitt339f4f42010-07-16 15:37:43 +0200141extern void zfcp_qdio_siosl(struct zfcp_adapter *);
Swen Schilliga54ca0f2010-12-02 15:16:14 +0100142extern struct zfcp_fsf_req *zfcp_fsf_get_req(struct zfcp_qdio *,
143 struct qdio_buffer *);
Christof Schmitt92c299d2008-07-02 10:56:41 +0200144
145/* zfcp_scsi.c */
146extern struct zfcp_data zfcp_data;
147extern int zfcp_adapter_scsi_register(struct zfcp_adapter *);
148extern void zfcp_adapter_scsi_unregister(struct zfcp_adapter *);
Christof Schmitt92c299d2008-07-02 10:56:41 +0200149extern struct fc_function_template zfcp_transport_functions;
Christof Schmitta2fa0ae2009-03-02 13:09:08 +0100150extern void zfcp_scsi_rport_work(struct work_struct *);
151extern void zfcp_scsi_schedule_rport_register(struct zfcp_port *);
152extern void zfcp_scsi_schedule_rport_block(struct zfcp_port *);
153extern void zfcp_scsi_schedule_rports_block(struct zfcp_adapter *);
Felix Beckef3eb712010-07-16 15:37:42 +0200154extern void zfcp_scsi_set_prot(struct zfcp_adapter *);
155extern void zfcp_scsi_dif_sense_error(struct scsi_cmnd *, int);
Christof Schmitt92c299d2008-07-02 10:56:41 +0200156
157/* zfcp_sysfs.c */
158extern struct attribute_group zfcp_sysfs_unit_attrs;
159extern struct attribute_group zfcp_sysfs_adapter_attrs;
Christof Schmitt92c299d2008-07-02 10:56:41 +0200160extern struct attribute_group zfcp_sysfs_port_attrs;
161extern struct device_attribute *zfcp_sysfs_sdev_attrs[];
162extern struct device_attribute *zfcp_sysfs_shost_attrs[];
Christof Schmitt45633fd2008-06-10 18:20:55 +0200163
Christof Schmitt1daa4eb2010-09-08 14:39:52 +0200164/* zfcp_unit.c */
165extern int zfcp_unit_add(struct zfcp_port *, u64);
166extern int zfcp_unit_remove(struct zfcp_port *, u64);
167extern struct zfcp_unit *zfcp_unit_find(struct zfcp_port *, u64);
168extern struct scsi_device *zfcp_unit_sdev(struct zfcp_unit *unit);
169extern void zfcp_unit_scsi_scan(struct zfcp_unit *);
170extern void zfcp_unit_queue_scsi_scan(struct zfcp_port *);
171extern unsigned int zfcp_unit_sdev_status(struct zfcp_unit *);
172
Linus Torvalds1da177e2005-04-16 15:20:36 -0700173#endif /* ZFCP_EXT_H */