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gerrit-public.fairphone.software / kernel / msm-4.19 / 2c55b750a884b86dea8b4cc5f15e1484cc47a25c / . / drivers / s390 / scsi / zfcp_ext.h
blob: ff7effe55379951d58f6ca72224a521d325ebde0 [file] [log] [blame]
Swen Schillig41fa2ad2007-09-07 09:15:31 +0200[diff] [blame]1/*
Christof Schmitt553448f2008-06-10 18:20:58 +0200[diff] [blame]2 * zfcp device driver
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]3 *
Christof Schmitt553448f2008-06-10 18:20:58 +0200[diff] [blame]4 * External function declarations.
Swen Schillig41fa2ad2007-09-07 09:15:31 +0200[diff] [blame]5 *
Christof Schmitt1674b402010-04-30 18:09:34 +0200[diff] [blame]6 * Copyright IBM Corporation 2002, 2010
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]7 */
8
9#ifndef ZFCP_EXT_H
10#define ZFCP_EXT_H
11
Christof Schmitt9d05ce22009-11-24 16:54:09 +0100[diff] [blame]12#include <linux/types.h>
13#include <scsi/fc/fc_els.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]14#include "zfcp_def.h"
Christof Schmitt7c7dc192009-11-24 16:54:13 +0100[diff] [blame]15#include "zfcp_fc.h"
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]16
Christof Schmitt92c299d2008-07-02 10:56:41 +0200[diff] [blame]17/* zfcp_aux.c */
Swen Schillig7ba58c92008-10-01 12:42:18 +0200[diff] [blame]18extern struct zfcp_port *zfcp_get_port_by_wwpn(struct zfcp_adapter *, u64);
Swen Schilligde3dc572009-11-24 16:54:00 +0100[diff] [blame]19extern struct zfcp_adapter *zfcp_adapter_enqueue(struct ccw_device *);
Swen Schillig7ba58c92008-10-01 12:42:18 +0200[diff] [blame]20extern struct zfcp_port *zfcp_port_enqueue(struct zfcp_adapter *, u64, u32,
Christof Schmitt92c299d2008-07-02 10:56:41 +0200[diff] [blame]21 u32);
Christof Schmitt92c299d2008-07-02 10:56:41 +0200[diff] [blame]22extern void zfcp_sg_free_table(struct scatterlist *, int);
23extern int zfcp_sg_setup_table(struct scatterlist *, int);
Swen Schilligf3450c72009-11-24 16:53:59 +0100[diff] [blame]24extern 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 +0100[diff] [blame]27extern void zfcp_adapter_unregister(struct zfcp_adapter *);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]28
Christof Schmitt92c299d2008-07-02 10:56:41 +0200[diff] [blame]29/* zfcp_ccw.c */
Christof Schmitt6fcf41d2009-05-15 13:18:21 +0200[diff] [blame]30extern int zfcp_ccw_priv_sch(struct zfcp_adapter *);
Christof Schmittc5afd812009-09-24 10:23:22 +0200[diff] [blame]31extern struct ccw_driver zfcp_ccw_driver;
Swen Schilligde3dc572009-11-24 16:54:00 +0100[diff] [blame]32extern 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 -0700[diff] [blame]34
Christof Schmitt92c299d2008-07-02 10:56:41 +0200[diff] [blame]35/* zfcp_cfdc.c */
36extern struct miscdevice zfcp_cfdc_misc;
Christof Schmitta1ca4832010-09-08 14:39:59 +0200[diff] [blame]37extern 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 -0700[diff] [blame]45
Christof Schmitt92c299d2008-07-02 10:56:41 +0200[diff] [blame]46/* zfcp_dbf.c */
Swen Schillig57717102009-08-18 15:43:21 +0200[diff] [blame]47extern int zfcp_dbf_adapter_register(struct zfcp_adapter *);
48extern void zfcp_dbf_adapter_unregister(struct zfcp_dbf *);
Swen Schilligae0904f2010-12-02 15:16:12 +0100[diff] [blame]49extern 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 Schillig57717102009-08-18 15:43:21 +0200[diff] [blame]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 +0200[diff] [blame]55 struct fsf_status_read_buffer *);
Swen Schillig57717102009-08-18 15:43:21 +0200[diff] [blame]56extern 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 *);
Swen Schillig2c55b752010-12-02 15:16:13 +0100[diff] [blame^]58extern void zfcp_dbf_san_req(char *, struct zfcp_fsf_req *, u32);
59extern void zfcp_dbf_san_res(char *, struct zfcp_fsf_req *);
60extern void zfcp_dbf_san_in_els(char *, struct zfcp_fsf_req *);
Swen Schillig57717102009-08-18 15:43:21 +0200[diff] [blame]61extern void _zfcp_dbf_scsi(const char *, const char *, int, struct zfcp_dbf *,
62 struct scsi_cmnd *, struct zfcp_fsf_req *,
63 unsigned long);
Maxim Shchetynin8a36e452005-09-13 21:50:38 +0200[diff] [blame]64
Christof Schmitt92c299d2008-07-02 10:56:41 +0200[diff] [blame]65/* zfcp_erp.c */
Swen Schilligedaed852010-09-08 14:40:01 +0200[diff] [blame]66extern void zfcp_erp_set_adapter_status(struct zfcp_adapter *, u32);
67extern void zfcp_erp_clear_adapter_status(struct zfcp_adapter *, u32);
Swen Schillig5ffd51a2009-03-02 13:09:04 +0100[diff] [blame]68extern void zfcp_erp_adapter_reopen(struct zfcp_adapter *, int, char *, void *);
69extern void zfcp_erp_adapter_shutdown(struct zfcp_adapter *, int, char *,
70 void *);
Swen Schilligedaed852010-09-08 14:40:01 +0200[diff] [blame]71extern void zfcp_erp_set_port_status(struct zfcp_port *, u32);
72extern void zfcp_erp_clear_port_status(struct zfcp_port *, u32);
Swen Schillig5ffd51a2009-03-02 13:09:04 +0100[diff] [blame]73extern int zfcp_erp_port_reopen(struct zfcp_port *, int, char *, void *);
74extern void zfcp_erp_port_shutdown(struct zfcp_port *, int, char *, void *);
75extern void zfcp_erp_port_forced_reopen(struct zfcp_port *, int, char *,
76 void *);
Swen Schilligedaed852010-09-08 14:40:01 +0200[diff] [blame]77extern void zfcp_erp_set_lun_status(struct scsi_device *, u32);
78extern void zfcp_erp_clear_lun_status(struct scsi_device *, u32);
Christof Schmittb62a8d92010-09-08 14:39:55 +0200[diff] [blame]79extern void zfcp_erp_lun_reopen(struct scsi_device *, int, char *, void *);
80extern void zfcp_erp_lun_shutdown(struct scsi_device *, int, char *, void *);
81extern void zfcp_erp_lun_shutdown_wait(struct scsi_device *, char *);
Christof Schmitt92c299d2008-07-02 10:56:41 +0200[diff] [blame]82extern 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);
Christof Schmitt92c299d2008-07-02 10:56:41 +0200[diff] [blame]86extern void zfcp_erp_timeout_handler(unsigned long);
87
88/* zfcp_fc.c */
Sven Schuetz2d1e5472010-07-16 15:37:39 +0200[diff] [blame]89extern void zfcp_fc_enqueue_event(struct zfcp_adapter *,
90 enum fc_host_event_code event_code, u32);
91extern void zfcp_fc_post_event(struct work_struct *);
Swen Schillig9eae07e2009-11-24 16:54:06 +0100[diff] [blame]92extern void zfcp_fc_scan_ports(struct work_struct *);
Christof Schmitt92c299d2008-07-02 10:56:41 +0200[diff] [blame]93extern void zfcp_fc_incoming_els(struct zfcp_fsf_req *);
Christof Schmitt799b76d2009-08-18 15:43:20 +0200[diff] [blame]94extern void zfcp_fc_port_did_lookup(struct work_struct *);
Christof Schmitt934aeb5872009-10-14 11:00:43 +0200[diff] [blame]95extern void zfcp_fc_trigger_did_lookup(struct zfcp_port *);
Christof Schmitt9d05ce22009-11-24 16:54:09 +0100[diff] [blame]96extern void zfcp_fc_plogi_evaluate(struct zfcp_port *, struct fc_els_flogi *);
Swen Schillig6f53a2d2009-08-18 15:43:23 +0200[diff] [blame]97extern void zfcp_fc_test_link(struct zfcp_port *);
Christof Schmitt8fdf30d2009-03-02 13:09:01 +0100[diff] [blame]98extern void zfcp_fc_link_test_work(struct work_struct *);
Christof Schmittbd0072e2009-11-24 16:54:11 +0100[diff] [blame]99extern void zfcp_fc_wka_ports_force_offline(struct zfcp_fc_wka_ports *);
Swen Schilligd5a282a2009-08-18 15:43:22 +0200[diff] [blame]100extern int zfcp_fc_gs_setup(struct zfcp_adapter *);
101extern void zfcp_fc_gs_destroy(struct zfcp_adapter *);
Christof Schmitt7c7dc192009-11-24 16:54:13 +0100[diff] [blame]102extern int zfcp_fc_exec_bsg_job(struct fc_bsg_job *);
Swen Schillig491ca442010-01-14 17:19:01 +0100[diff] [blame]103extern int zfcp_fc_timeout_bsg_job(struct fc_bsg_job *);
Christof Schmitt92c299d2008-07-02 10:56:41 +0200[diff] [blame]104
105/* zfcp_fsf.c */
106extern int zfcp_fsf_open_port(struct zfcp_erp_action *);
Christof Schmittbd0072e2009-11-24 16:54:11 +0100[diff] [blame]107extern int zfcp_fsf_open_wka_port(struct zfcp_fc_wka_port *);
108extern int zfcp_fsf_close_wka_port(struct zfcp_fc_wka_port *);
Christof Schmitt92c299d2008-07-02 10:56:41 +0200[diff] [blame]109extern int zfcp_fsf_close_port(struct zfcp_erp_action *);
110extern int zfcp_fsf_close_physical_port(struct zfcp_erp_action *);
Christof Schmittb62a8d92010-09-08 14:39:55 +0200[diff] [blame]111extern int zfcp_fsf_open_lun(struct zfcp_erp_action *);
112extern int zfcp_fsf_close_lun(struct zfcp_erp_action *);
Christof Schmitt92c299d2008-07-02 10:56:41 +0200[diff] [blame]113extern int zfcp_fsf_exchange_config_data(struct zfcp_erp_action *);
Swen Schillig564e1c82009-08-18 15:43:19 +0200[diff] [blame]114extern int zfcp_fsf_exchange_config_data_sync(struct zfcp_qdio *,
Christof Schmitt92c299d2008-07-02 10:56:41 +0200[diff] [blame]115 struct fsf_qtcb_bottom_config *);
116extern int zfcp_fsf_exchange_port_data(struct zfcp_erp_action *);
Swen Schillig564e1c82009-08-18 15:43:19 +0200[diff] [blame]117extern int zfcp_fsf_exchange_port_data_sync(struct zfcp_qdio *,
Christof Schmitt92c299d2008-07-02 10:56:41 +0200[diff] [blame]118 struct fsf_qtcb_bottom_port *);
119extern struct zfcp_fsf_req *zfcp_fsf_control_file(struct zfcp_adapter *,
120 struct zfcp_fsf_cfdc *);
121extern void zfcp_fsf_req_dismiss_all(struct zfcp_adapter *);
Swen Schillig564e1c82009-08-18 15:43:19 +0200[diff] [blame]122extern int zfcp_fsf_status_read(struct zfcp_qdio *);
Christof Schmitt92c299d2008-07-02 10:56:41 +0200[diff] [blame]123extern int zfcp_status_read_refill(struct zfcp_adapter *adapter);
Christof Schmitt7c7dc192009-11-24 16:54:13 +0100[diff] [blame]124extern int zfcp_fsf_send_ct(struct zfcp_fc_wka_port *, struct zfcp_fsf_ct_els *,
Swen Schillig51375ee2010-01-14 17:19:02 +0100[diff] [blame]125 mempool_t *, unsigned int);
Christof Schmitt7c7dc192009-11-24 16:54:13 +0100[diff] [blame]126extern int zfcp_fsf_send_els(struct zfcp_adapter *, u32,
Swen Schillig51375ee2010-01-14 17:19:02 +0100[diff] [blame]127 struct zfcp_fsf_ct_els *, unsigned int);
Christof Schmittb62a8d92010-09-08 14:39:55 +0200[diff] [blame]128extern int zfcp_fsf_fcp_cmnd(struct scsi_cmnd *);
Christof Schmitt92c299d2008-07-02 10:56:41 +0200[diff] [blame]129extern void zfcp_fsf_req_free(struct zfcp_fsf_req *);
Christof Schmittb62a8d92010-09-08 14:39:55 +0200[diff] [blame]130extern struct zfcp_fsf_req *zfcp_fsf_fcp_task_mgmt(struct scsi_cmnd *, u8);
131extern struct zfcp_fsf_req *zfcp_fsf_abort_fcp_cmnd(struct scsi_cmnd *);
Swen Schillig564e1c82009-08-18 15:43:19 +0200[diff] [blame]132extern void zfcp_fsf_reqid_check(struct zfcp_qdio *, int);
Christof Schmitt92c299d2008-07-02 10:56:41 +0200[diff] [blame]133
134/* zfcp_qdio.c */
Swen Schilligd5a282a2009-08-18 15:43:22 +0200[diff] [blame]135extern int zfcp_qdio_setup(struct zfcp_adapter *);
136extern void zfcp_qdio_destroy(struct zfcp_qdio *);
Christof Schmitt6b9e1522010-04-30 18:09:35 +0200[diff] [blame]137extern int zfcp_qdio_sbal_get(struct zfcp_qdio *);
Christof Schmitt34c2b712010-02-17 11:18:59 +0100[diff] [blame]138extern int zfcp_qdio_send(struct zfcp_qdio *, struct zfcp_qdio_req *);
Christof Schmitt1674b402010-04-30 18:09:34 +0200[diff] [blame]139extern int zfcp_qdio_sbals_from_sg(struct zfcp_qdio *, struct zfcp_qdio_req *,
Swen Schillig01b04752010-07-16 15:37:37 +0200[diff] [blame]140 struct scatterlist *);
Swen Schillig564e1c82009-08-18 15:43:19 +0200[diff] [blame]141extern int zfcp_qdio_open(struct zfcp_qdio *);
142extern void zfcp_qdio_close(struct zfcp_qdio *);
Christof Schmitt339f4f42010-07-16 15:37:43 +0200[diff] [blame]143extern void zfcp_qdio_siosl(struct zfcp_adapter *);
Christof Schmitt92c299d2008-07-02 10:56:41 +0200[diff] [blame]144
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 +0200[diff] [blame]149extern struct fc_function_template zfcp_transport_functions;
Christof Schmitta2fa0ae2009-03-02 13:09:08 +0100[diff] [blame]150extern 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 +0200[diff] [blame]154extern 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 +0200[diff] [blame]156
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 +0200[diff] [blame]160extern 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 +0200[diff] [blame]163
Christof Schmitt1daa4eb2010-09-08 14:39:52 +0200[diff] [blame]164/* 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 -0700[diff] [blame]173#endif /* ZFCP_EXT_H */