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gerrit-public.fairphone.software / kernel / msm-4.9 / c98f71d1c05601cff0f302889933798020e08869 / . / drivers / s390 / scsi / zfcp_ext.h
blob: 5b500652572b7c1395cc801c146f41535d310f31 [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 *
Heiko Carstensa53c8fa2012-07-20 11:15:04 +0200[diff] [blame]6 * Copyright IBM Corp. 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_adapter_release(struct kref *);
Swen Schilligde3dc572009-11-24 16:54:00 +0100[diff] [blame]25extern void zfcp_adapter_unregister(struct zfcp_adapter *);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]26
Christof Schmitt92c299d2008-07-02 10:56:41 +0200[diff] [blame]27/* zfcp_ccw.c */
Christof Schmittc5afd812009-09-24 10:23:22 +0200[diff] [blame]28extern struct ccw_driver zfcp_ccw_driver;
Swen Schilligde3dc572009-11-24 16:54:00 +0100[diff] [blame]29extern struct zfcp_adapter *zfcp_ccw_adapter_by_cdev(struct ccw_device *);
30extern void zfcp_ccw_adapter_put(struct zfcp_adapter *);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]31
Christof Schmitt92c299d2008-07-02 10:56:41 +0200[diff] [blame]32/* zfcp_dbf.c */
Swen Schillig57717102009-08-18 15:43:21 +0200[diff] [blame]33extern int zfcp_dbf_adapter_register(struct zfcp_adapter *);
Swen Schilligea4a3a62010-12-02 15:16:16 +0100[diff] [blame]34extern void zfcp_dbf_adapter_unregister(struct zfcp_adapter *);
Swen Schilligae0904f2010-12-02 15:16:12 +0100[diff] [blame]35extern void zfcp_dbf_rec_trig(char *, struct zfcp_adapter *,
36 struct zfcp_port *, struct scsi_device *, u8, u8);
37extern void zfcp_dbf_rec_run(char *, struct zfcp_erp_action *);
Swen Schilliga54ca0f2010-12-02 15:16:14 +0100[diff] [blame]38extern void zfcp_dbf_hba_fsf_uss(char *, struct zfcp_fsf_req *);
39extern void zfcp_dbf_hba_fsf_res(char *, struct zfcp_fsf_req *);
40extern void zfcp_dbf_hba_bit_err(char *, struct zfcp_fsf_req *);
Swen Schillig57717102009-08-18 15:43:21 +0200[diff] [blame]41extern void zfcp_dbf_hba_berr(struct zfcp_dbf *, struct zfcp_fsf_req *);
Swen Schillig86a96682011-08-15 14:40:32 +0200[diff] [blame]42extern void zfcp_dbf_hba_def_err(struct zfcp_adapter *, u64, u16, void **);
Steffen Maiercb452142012-09-04 15:23:32 +0200[diff] [blame]43extern void zfcp_dbf_hba_basic(char *, struct zfcp_adapter *);
Swen Schillig2c55b752010-12-02 15:16:13 +0100[diff] [blame]44extern void zfcp_dbf_san_req(char *, struct zfcp_fsf_req *, u32);
45extern void zfcp_dbf_san_res(char *, struct zfcp_fsf_req *);
46extern void zfcp_dbf_san_in_els(char *, struct zfcp_fsf_req *);
Swen Schillig250a1352010-12-02 15:16:15 +0100[diff] [blame]47extern void zfcp_dbf_scsi(char *, struct scsi_cmnd *, struct zfcp_fsf_req *);
Maxim Shchetynin8a36e452005-09-13 21:50:38 +0200[diff] [blame]48
Christof Schmitt92c299d2008-07-02 10:56:41 +0200[diff] [blame]49/* zfcp_erp.c */
Swen Schilligedaed852010-09-08 14:40:01 +0200[diff] [blame]50extern void zfcp_erp_set_adapter_status(struct zfcp_adapter *, u32);
51extern void zfcp_erp_clear_adapter_status(struct zfcp_adapter *, u32);
Swen Schilligea4a3a62010-12-02 15:16:16 +0100[diff] [blame]52extern void zfcp_erp_adapter_reopen(struct zfcp_adapter *, int, char *);
53extern void zfcp_erp_adapter_shutdown(struct zfcp_adapter *, int, char *);
Swen Schilligedaed852010-09-08 14:40:01 +0200[diff] [blame]54extern void zfcp_erp_set_port_status(struct zfcp_port *, u32);
55extern void zfcp_erp_clear_port_status(struct zfcp_port *, u32);
Swen Schilligea4a3a62010-12-02 15:16:16 +0100[diff] [blame]56extern int zfcp_erp_port_reopen(struct zfcp_port *, int, char *);
57extern void zfcp_erp_port_shutdown(struct zfcp_port *, int, char *);
58extern void zfcp_erp_port_forced_reopen(struct zfcp_port *, int, char *);
Swen Schilligedaed852010-09-08 14:40:01 +0200[diff] [blame]59extern void zfcp_erp_set_lun_status(struct scsi_device *, u32);
60extern void zfcp_erp_clear_lun_status(struct scsi_device *, u32);
Swen Schilligea4a3a62010-12-02 15:16:16 +0100[diff] [blame]61extern void zfcp_erp_lun_reopen(struct scsi_device *, int, char *);
62extern void zfcp_erp_lun_shutdown(struct scsi_device *, int, char *);
Christof Schmittb62a8d92010-09-08 14:39:55 +0200[diff] [blame]63extern void zfcp_erp_lun_shutdown_wait(struct scsi_device *, char *);
Christof Schmitt92c299d2008-07-02 10:56:41 +0200[diff] [blame]64extern int zfcp_erp_thread_setup(struct zfcp_adapter *);
65extern void zfcp_erp_thread_kill(struct zfcp_adapter *);
66extern void zfcp_erp_wait(struct zfcp_adapter *);
67extern void zfcp_erp_notify(struct zfcp_erp_action *, unsigned long);
Christof Schmitt92c299d2008-07-02 10:56:41 +0200[diff] [blame]68extern void zfcp_erp_timeout_handler(unsigned long);
69
70/* zfcp_fc.c */
Christof Schmitt087897e2011-02-22 19:54:41 +0100[diff] [blame]71extern struct kmem_cache *zfcp_fc_req_cache;
Sven Schuetz2d1e5472010-07-16 15:37:39 +0200[diff] [blame]72extern void zfcp_fc_enqueue_event(struct zfcp_adapter *,
73 enum fc_host_event_code event_code, u32);
74extern void zfcp_fc_post_event(struct work_struct *);
Swen Schillig9eae07e2009-11-24 16:54:06 +0100[diff] [blame]75extern void zfcp_fc_scan_ports(struct work_struct *);
Christof Schmitt92c299d2008-07-02 10:56:41 +0200[diff] [blame]76extern void zfcp_fc_incoming_els(struct zfcp_fsf_req *);
Christof Schmitt799b76d2009-08-18 15:43:20 +0200[diff] [blame]77extern void zfcp_fc_port_did_lookup(struct work_struct *);
Christof Schmitt934aeb5872009-10-14 11:00:43 +0200[diff] [blame]78extern void zfcp_fc_trigger_did_lookup(struct zfcp_port *);
Christof Schmitt9d05ce22009-11-24 16:54:09 +0100[diff] [blame]79extern void zfcp_fc_plogi_evaluate(struct zfcp_port *, struct fc_els_flogi *);
Swen Schillig6f53a2d2009-08-18 15:43:23 +0200[diff] [blame]80extern void zfcp_fc_test_link(struct zfcp_port *);
Christof Schmitt8fdf30d2009-03-02 13:09:01 +0100[diff] [blame]81extern void zfcp_fc_link_test_work(struct work_struct *);
Christof Schmittbd0072e2009-11-24 16:54:11 +0100[diff] [blame]82extern void zfcp_fc_wka_ports_force_offline(struct zfcp_fc_wka_ports *);
Swen Schilligd5a282a2009-08-18 15:43:22 +0200[diff] [blame]83extern int zfcp_fc_gs_setup(struct zfcp_adapter *);
84extern void zfcp_fc_gs_destroy(struct zfcp_adapter *);
Christof Schmitt7c7dc192009-11-24 16:54:13 +0100[diff] [blame]85extern int zfcp_fc_exec_bsg_job(struct fc_bsg_job *);
Swen Schillig491ca442010-01-14 17:19:01 +0100[diff] [blame]86extern int zfcp_fc_timeout_bsg_job(struct fc_bsg_job *);
Christof Schmitt038d9442011-02-22 19:54:48 +0100[diff] [blame]87extern void zfcp_fc_sym_name_update(struct work_struct *);
Martin Peschke18f87a62014-11-13 14:59:48 +0100[diff] [blame]88extern unsigned int zfcp_fc_port_scan_backoff(void);
Steffen Maier43f60cb2012-09-04 15:23:35 +0200[diff] [blame]89extern void zfcp_fc_conditional_port_scan(struct zfcp_adapter *);
90extern void zfcp_fc_inverse_conditional_port_scan(struct zfcp_adapter *);
Christof Schmitt92c299d2008-07-02 10:56:41 +0200[diff] [blame]91
92/* zfcp_fsf.c */
Christof Schmitt259afe22011-02-22 19:54:44 +0100[diff] [blame]93extern struct kmem_cache *zfcp_fsf_qtcb_cache;
Christof Schmitt92c299d2008-07-02 10:56:41 +0200[diff] [blame]94extern int zfcp_fsf_open_port(struct zfcp_erp_action *);
Christof Schmittbd0072e2009-11-24 16:54:11 +0100[diff] [blame]95extern int zfcp_fsf_open_wka_port(struct zfcp_fc_wka_port *);
96extern int zfcp_fsf_close_wka_port(struct zfcp_fc_wka_port *);
Christof Schmitt92c299d2008-07-02 10:56:41 +0200[diff] [blame]97extern int zfcp_fsf_close_port(struct zfcp_erp_action *);
98extern int zfcp_fsf_close_physical_port(struct zfcp_erp_action *);
Christof Schmittb62a8d92010-09-08 14:39:55 +0200[diff] [blame]99extern int zfcp_fsf_open_lun(struct zfcp_erp_action *);
100extern int zfcp_fsf_close_lun(struct zfcp_erp_action *);
Christof Schmitt92c299d2008-07-02 10:56:41 +0200[diff] [blame]101extern int zfcp_fsf_exchange_config_data(struct zfcp_erp_action *);
Swen Schillig564e1c82009-08-18 15:43:19 +0200[diff] [blame]102extern int zfcp_fsf_exchange_config_data_sync(struct zfcp_qdio *,
Christof Schmitt92c299d2008-07-02 10:56:41 +0200[diff] [blame]103 struct fsf_qtcb_bottom_config *);
104extern int zfcp_fsf_exchange_port_data(struct zfcp_erp_action *);
Swen Schillig564e1c82009-08-18 15:43:19 +0200[diff] [blame]105extern int zfcp_fsf_exchange_port_data_sync(struct zfcp_qdio *,
Christof Schmitt92c299d2008-07-02 10:56:41 +0200[diff] [blame]106 struct fsf_qtcb_bottom_port *);
Christof Schmitt92c299d2008-07-02 10:56:41 +0200[diff] [blame]107extern void zfcp_fsf_req_dismiss_all(struct zfcp_adapter *);
Swen Schillig564e1c82009-08-18 15:43:19 +0200[diff] [blame]108extern int zfcp_fsf_status_read(struct zfcp_qdio *);
Christof Schmitt92c299d2008-07-02 10:56:41 +0200[diff] [blame]109extern int zfcp_status_read_refill(struct zfcp_adapter *adapter);
Christof Schmitt7c7dc192009-11-24 16:54:13 +0100[diff] [blame]110extern 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]111 mempool_t *, unsigned int);
Christof Schmitt7c7dc192009-11-24 16:54:13 +0100[diff] [blame]112extern int zfcp_fsf_send_els(struct zfcp_adapter *, u32,
Swen Schillig51375ee2010-01-14 17:19:02 +0100[diff] [blame]113 struct zfcp_fsf_ct_els *, unsigned int);
Christof Schmittb62a8d92010-09-08 14:39:55 +0200[diff] [blame]114extern int zfcp_fsf_fcp_cmnd(struct scsi_cmnd *);
Christof Schmitt92c299d2008-07-02 10:56:41 +0200[diff] [blame]115extern void zfcp_fsf_req_free(struct zfcp_fsf_req *);
Christof Schmittb62a8d92010-09-08 14:39:55 +0200[diff] [blame]116extern struct zfcp_fsf_req *zfcp_fsf_fcp_task_mgmt(struct scsi_cmnd *, u8);
117extern struct zfcp_fsf_req *zfcp_fsf_abort_fcp_cmnd(struct scsi_cmnd *);
Swen Schillig564e1c82009-08-18 15:43:19 +0200[diff] [blame]118extern void zfcp_fsf_reqid_check(struct zfcp_qdio *, int);
Christof Schmitt92c299d2008-07-02 10:56:41 +0200[diff] [blame]119
120/* zfcp_qdio.c */
Swen Schilligd5a282a2009-08-18 15:43:22 +0200[diff] [blame]121extern int zfcp_qdio_setup(struct zfcp_adapter *);
122extern void zfcp_qdio_destroy(struct zfcp_qdio *);
Christof Schmitt6b9e1522010-04-30 18:09:35 +0200[diff] [blame]123extern int zfcp_qdio_sbal_get(struct zfcp_qdio *);
Christof Schmitt34c2b712010-02-17 11:18:59 +0100[diff] [blame]124extern int zfcp_qdio_send(struct zfcp_qdio *, struct zfcp_qdio_req *);
Christof Schmitt1674b402010-04-30 18:09:34 +0200[diff] [blame]125extern int zfcp_qdio_sbals_from_sg(struct zfcp_qdio *, struct zfcp_qdio_req *,
Swen Schillig01b04752010-07-16 15:37:37 +0200[diff] [blame]126 struct scatterlist *);
Swen Schillig564e1c82009-08-18 15:43:19 +0200[diff] [blame]127extern int zfcp_qdio_open(struct zfcp_qdio *);
128extern void zfcp_qdio_close(struct zfcp_qdio *);
Christof Schmitt339f4f42010-07-16 15:37:43 +0200[diff] [blame]129extern void zfcp_qdio_siosl(struct zfcp_adapter *);
Christof Schmitt92c299d2008-07-02 10:56:41 +0200[diff] [blame]130
131/* zfcp_scsi.c */
Christof Schmitt1947c722011-02-22 19:54:46 +0100[diff] [blame]132extern struct scsi_transport_template *zfcp_scsi_transport_template;
133extern int zfcp_scsi_adapter_register(struct zfcp_adapter *);
134extern void zfcp_scsi_adapter_unregister(struct zfcp_adapter *);
Christof Schmitt92c299d2008-07-02 10:56:41 +0200[diff] [blame]135extern struct fc_function_template zfcp_transport_functions;
Christof Schmitta2fa0ae2009-03-02 13:09:08 +0100[diff] [blame]136extern void zfcp_scsi_rport_work(struct work_struct *);
137extern void zfcp_scsi_schedule_rport_register(struct zfcp_port *);
138extern void zfcp_scsi_schedule_rport_block(struct zfcp_port *);
139extern void zfcp_scsi_schedule_rports_block(struct zfcp_adapter *);
Felix Beckef3eb712010-07-16 15:37:42 +0200[diff] [blame]140extern void zfcp_scsi_set_prot(struct zfcp_adapter *);
141extern void zfcp_scsi_dif_sense_error(struct scsi_cmnd *, int);
Christof Schmitt92c299d2008-07-02 10:56:41 +0200[diff] [blame]142
143/* zfcp_sysfs.c */
Sebastian Ott86bdf212013-04-26 16:13:49 +0200[diff] [blame]144extern const struct attribute_group *zfcp_unit_attr_groups[];
Christof Schmitt92c299d2008-07-02 10:56:41 +0200[diff] [blame]145extern struct attribute_group zfcp_sysfs_adapter_attrs;
Sebastian Ott83d4e1c2013-04-26 16:13:48 +0200[diff] [blame]146extern const struct attribute_group *zfcp_port_attr_groups[];
Steffen Maierd99b6012012-09-04 15:23:34 +0200[diff] [blame]147extern struct mutex zfcp_sysfs_port_units_mutex;
Christof Schmitt92c299d2008-07-02 10:56:41 +0200[diff] [blame]148extern struct device_attribute *zfcp_sysfs_sdev_attrs[];
149extern struct device_attribute *zfcp_sysfs_shost_attrs[];
Christof Schmitt45633fd2008-06-10 18:20:55 +0200[diff] [blame]150
Christof Schmitt1daa4eb2010-09-08 14:39:52 +0200[diff] [blame]151/* zfcp_unit.c */
152extern int zfcp_unit_add(struct zfcp_port *, u64);
153extern int zfcp_unit_remove(struct zfcp_port *, u64);
154extern struct zfcp_unit *zfcp_unit_find(struct zfcp_port *, u64);
155extern struct scsi_device *zfcp_unit_sdev(struct zfcp_unit *unit);
156extern void zfcp_unit_scsi_scan(struct zfcp_unit *);
157extern void zfcp_unit_queue_scsi_scan(struct zfcp_port *);
158extern unsigned int zfcp_unit_sdev_status(struct zfcp_unit *);
159
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]160#endif /* ZFCP_EXT_H */