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review.evervolv.com / android_kernel_oneplus_msm8996 / de3dc57214a1466034ecc4d4ffb10331d34c09a3 / . / drivers / s390 / scsi / zfcp_ext.h
blob: 1e3ec708505bddf2f77a5017fb75d86550ae4eb3 [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 Schmitta2fa0ae2009-03-02 13:09:08 +0100[diff] [blame]6 * Copyright IBM Corporation 2002, 2009
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]7 */
8
9#ifndef ZFCP_EXT_H
10#define ZFCP_EXT_H
11
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]12#include "zfcp_def.h"
13
Christof Schmitt92c299d2008-07-02 10:56:41 +0200[diff] [blame]14/* zfcp_aux.c */
Swen Schillig7ba58c92008-10-01 12:42:18 +0200[diff] [blame]15extern 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);
Swen Schilligde3dc572009-11-24 16:54:00 +0100[diff] [blame^]17extern struct zfcp_adapter *zfcp_adapter_enqueue(struct ccw_device *);
Swen Schillig7ba58c92008-10-01 12:42:18 +0200[diff] [blame]18extern struct zfcp_port *zfcp_port_enqueue(struct zfcp_adapter *, u64, u32,
Christof Schmitt92c299d2008-07-02 10:56:41 +0200[diff] [blame]19 u32);
Swen Schillig7ba58c92008-10-01 12:42:18 +0200[diff] [blame]20extern struct zfcp_unit *zfcp_unit_enqueue(struct zfcp_port *, u64);
Christof Schmitt92c299d2008-07-02 10:56:41 +0200[diff] [blame]21extern int zfcp_reqlist_isempty(struct zfcp_adapter *);
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 */
30extern int zfcp_ccw_register(void);
Christof Schmitt6fcf41d2009-05-15 13:18:21 +0200[diff] [blame]31extern int zfcp_ccw_priv_sch(struct zfcp_adapter *);
Christof Schmittc5afd812009-09-24 10:23:22 +0200[diff] [blame]32extern struct ccw_driver zfcp_ccw_driver;
Swen Schilligde3dc572009-11-24 16:54:00 +0100[diff] [blame^]33extern struct zfcp_adapter *zfcp_ccw_adapter_by_cdev(struct ccw_device *);
34extern void zfcp_ccw_adapter_put(struct zfcp_adapter *);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]35
Christof Schmitt92c299d2008-07-02 10:56:41 +0200[diff] [blame]36/* zfcp_cfdc.c */
37extern struct miscdevice zfcp_cfdc_misc;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]38
Christof Schmitt92c299d2008-07-02 10:56:41 +0200[diff] [blame]39/* zfcp_dbf.c */
Swen Schillig57717102009-08-18 15:43:21 +0200[diff] [blame]40extern int zfcp_dbf_adapter_register(struct zfcp_adapter *);
41extern void zfcp_dbf_adapter_unregister(struct zfcp_dbf *);
42extern void zfcp_dbf_rec_thread(char *, struct zfcp_dbf *);
43extern void zfcp_dbf_rec_thread_lock(char *, struct zfcp_dbf *);
44extern void zfcp_dbf_rec_adapter(char *, void *, struct zfcp_dbf *);
45extern void zfcp_dbf_rec_port(char *, void *, struct zfcp_port *);
46extern void zfcp_dbf_rec_unit(char *, void *, struct zfcp_unit *);
47extern void zfcp_dbf_rec_trigger(char *, void *, u8, u8, void *,
48 struct zfcp_adapter *, struct zfcp_port *,
49 struct zfcp_unit *);
50extern void zfcp_dbf_rec_action(char *, struct zfcp_erp_action *);
51extern void _zfcp_dbf_hba_fsf_response(const char *, int, struct zfcp_fsf_req *,
52 struct zfcp_dbf *);
53extern void _zfcp_dbf_hba_fsf_unsol(const char *, int level, struct zfcp_dbf *,
Christof Schmitt2e261af2009-08-18 15:43:09 +0200[diff] [blame]54 struct fsf_status_read_buffer *);
Swen Schillig57717102009-08-18 15:43:21 +0200[diff] [blame]55extern void zfcp_dbf_hba_qdio(struct zfcp_dbf *, unsigned int, int, int);
56extern void zfcp_dbf_hba_berr(struct zfcp_dbf *, struct zfcp_fsf_req *);
57extern void zfcp_dbf_san_ct_request(struct zfcp_fsf_req *);
58extern void zfcp_dbf_san_ct_response(struct zfcp_fsf_req *);
59extern void zfcp_dbf_san_els_request(struct zfcp_fsf_req *);
60extern void zfcp_dbf_san_els_response(struct zfcp_fsf_req *);
61extern void zfcp_dbf_san_incoming_els(struct zfcp_fsf_req *);
62extern void _zfcp_dbf_scsi(const char *, const char *, int, struct zfcp_dbf *,
63 struct scsi_cmnd *, struct zfcp_fsf_req *,
64 unsigned long);
Maxim Shchetynin8a36e452005-09-13 21:50:38 +0200[diff] [blame]65
Christof Schmitt92c299d2008-07-02 10:56:41 +0200[diff] [blame]66/* zfcp_erp.c */
Swen Schillig5ffd51a2009-03-02 13:09:04 +0100[diff] [blame]67extern void zfcp_erp_modify_adapter_status(struct zfcp_adapter *, char *,
68 void *, u32, int);
69extern void zfcp_erp_adapter_reopen(struct zfcp_adapter *, int, char *, void *);
70extern void zfcp_erp_adapter_shutdown(struct zfcp_adapter *, int, char *,
71 void *);
72extern void zfcp_erp_adapter_failed(struct zfcp_adapter *, char *, void *);
73extern void zfcp_erp_modify_port_status(struct zfcp_port *, char *, void *, u32,
Christof Schmitt92c299d2008-07-02 10:56:41 +0200[diff] [blame]74 int);
Swen Schillig5ffd51a2009-03-02 13:09:04 +0100[diff] [blame]75extern int zfcp_erp_port_reopen(struct zfcp_port *, int, char *, void *);
76extern void zfcp_erp_port_shutdown(struct zfcp_port *, int, char *, void *);
77extern void zfcp_erp_port_forced_reopen(struct zfcp_port *, int, char *,
78 void *);
79extern void zfcp_erp_port_failed(struct zfcp_port *, char *, void *);
80extern void zfcp_erp_modify_unit_status(struct zfcp_unit *, char *, void *, u32,
Christof Schmitt92c299d2008-07-02 10:56:41 +0200[diff] [blame]81 int);
Swen Schillig5ffd51a2009-03-02 13:09:04 +0100[diff] [blame]82extern void zfcp_erp_unit_reopen(struct zfcp_unit *, int, char *, void *);
83extern void zfcp_erp_unit_shutdown(struct zfcp_unit *, int, char *, void *);
84extern void zfcp_erp_unit_failed(struct zfcp_unit *, char *, void *);
Christof Schmitt92c299d2008-07-02 10:56:41 +0200[diff] [blame]85extern int zfcp_erp_thread_setup(struct zfcp_adapter *);
86extern void zfcp_erp_thread_kill(struct zfcp_adapter *);
87extern void zfcp_erp_wait(struct zfcp_adapter *);
88extern void zfcp_erp_notify(struct zfcp_erp_action *, unsigned long);
Swen Schillig5ffd51a2009-03-02 13:09:04 +0100[diff] [blame]89extern void zfcp_erp_port_boxed(struct zfcp_port *, char *, void *);
90extern void zfcp_erp_unit_boxed(struct zfcp_unit *, char *, void *);
91extern void zfcp_erp_port_access_denied(struct zfcp_port *, char *, void *);
92extern void zfcp_erp_unit_access_denied(struct zfcp_unit *, char *, void *);
93extern void zfcp_erp_adapter_access_changed(struct zfcp_adapter *, char *,
94 void *);
Christof Schmitt92c299d2008-07-02 10:56:41 +0200[diff] [blame]95extern void zfcp_erp_timeout_handler(unsigned long);
96
97/* zfcp_fc.c */
Swen Schillig6f53a2d2009-08-18 15:43:23 +0200[diff] [blame]98extern int zfcp_fc_scan_ports(struct zfcp_adapter *);
99extern void _zfcp_fc_scan_ports_later(struct work_struct *);
Christof Schmitt92c299d2008-07-02 10:56:41 +0200[diff] [blame]100extern void zfcp_fc_incoming_els(struct zfcp_fsf_req *);
Christof Schmitt799b76d2009-08-18 15:43:20 +0200[diff] [blame]101extern void zfcp_fc_port_did_lookup(struct work_struct *);
Christof Schmitt934aeb5872009-10-14 11:00:43 +0200[diff] [blame]102extern void zfcp_fc_trigger_did_lookup(struct zfcp_port *);
Christof Schmitt92c299d2008-07-02 10:56:41 +0200[diff] [blame]103extern void zfcp_fc_plogi_evaluate(struct zfcp_port *, struct fsf_plogi *);
Swen Schillig6f53a2d2009-08-18 15:43:23 +0200[diff] [blame]104extern void zfcp_fc_test_link(struct zfcp_port *);
Christof Schmitt8fdf30d2009-03-02 13:09:01 +0100[diff] [blame]105extern void zfcp_fc_link_test_work(struct work_struct *);
Christof Schmitt55c770f2009-08-18 15:43:12 +0200[diff] [blame]106extern void zfcp_fc_wka_ports_force_offline(struct zfcp_wka_ports *);
Swen Schilligd5a282a2009-08-18 15:43:22 +0200[diff] [blame]107extern int zfcp_fc_gs_setup(struct zfcp_adapter *);
108extern void zfcp_fc_gs_destroy(struct zfcp_adapter *);
Sven Schuetz9d544f22009-04-06 18:31:47 +0200[diff] [blame]109extern int zfcp_fc_execute_els_fc_job(struct fc_bsg_job *);
110extern int zfcp_fc_execute_ct_fc_job(struct fc_bsg_job *);
Christof Schmitt92c299d2008-07-02 10:56:41 +0200[diff] [blame]111
112/* zfcp_fsf.c */
113extern int zfcp_fsf_open_port(struct zfcp_erp_action *);
Swen Schillig5ab944f2008-10-01 12:42:17 +0200[diff] [blame]114extern int zfcp_fsf_open_wka_port(struct zfcp_wka_port *);
115extern int zfcp_fsf_close_wka_port(struct zfcp_wka_port *);
Christof Schmitt92c299d2008-07-02 10:56:41 +0200[diff] [blame]116extern 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 +0200[diff] [blame]121extern int zfcp_fsf_exchange_config_data_sync(struct zfcp_qdio *,
Christof Schmitt92c299d2008-07-02 10:56:41 +0200[diff] [blame]122 struct fsf_qtcb_bottom_config *);
123extern int zfcp_fsf_exchange_port_data(struct zfcp_erp_action *);
Swen Schillig564e1c82009-08-18 15:43:19 +0200[diff] [blame]124extern int zfcp_fsf_exchange_port_data_sync(struct zfcp_qdio *,
Christof Schmitt92c299d2008-07-02 10:56:41 +0200[diff] [blame]125 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 +0200[diff] [blame]129extern int zfcp_fsf_status_read(struct zfcp_qdio *);
Christof Schmitt92c299d2008-07-02 10:56:41 +0200[diff] [blame]130extern int zfcp_status_read_refill(struct zfcp_adapter *adapter);
Christof Schmitt799b76d2009-08-18 15:43:20 +0200[diff] [blame]131extern int zfcp_fsf_send_ct(struct zfcp_send_ct *, mempool_t *);
Christof Schmitt92c299d2008-07-02 10:56:41 +0200[diff] [blame]132extern int zfcp_fsf_send_els(struct zfcp_send_els *);
Christof Schmitt63caf362009-03-02 13:09:00 +0100[diff] [blame]133extern int zfcp_fsf_send_fcp_command_task(struct zfcp_unit *,
134 struct scsi_cmnd *);
Christof Schmitt92c299d2008-07-02 10:56:41 +0200[diff] [blame]135extern void zfcp_fsf_req_free(struct zfcp_fsf_req *);
Christof Schmitt63caf362009-03-02 13:09:00 +0100[diff] [blame]136extern struct zfcp_fsf_req *zfcp_fsf_send_fcp_ctm(struct zfcp_unit *, u8);
Christof Schmitt92c299d2008-07-02 10:56:41 +0200[diff] [blame]137extern struct zfcp_fsf_req *zfcp_fsf_abort_fcp_command(unsigned long,
Christof Schmitt63caf362009-03-02 13:09:00 +0100[diff] [blame]138 struct zfcp_unit *);
Swen Schillig564e1c82009-08-18 15:43:19 +0200[diff] [blame]139extern void zfcp_fsf_reqid_check(struct zfcp_qdio *, int);
Christof Schmitt92c299d2008-07-02 10:56:41 +0200[diff] [blame]140
141/* zfcp_qdio.c */
Swen Schilligd5a282a2009-08-18 15:43:22 +0200[diff] [blame]142extern int zfcp_qdio_setup(struct zfcp_adapter *);
143extern void zfcp_qdio_destroy(struct zfcp_qdio *);
Swen Schillig564e1c82009-08-18 15:43:19 +0200[diff] [blame]144extern int zfcp_qdio_send(struct zfcp_qdio *, struct zfcp_queue_req *);
Swen Schillig42428f72009-08-18 15:43:18 +0200[diff] [blame]145extern struct qdio_buffer_element
Swen Schillig564e1c82009-08-18 15:43:19 +0200[diff] [blame]146 *zfcp_qdio_sbale_req(struct zfcp_qdio *, struct zfcp_queue_req *);
Swen Schillig42428f72009-08-18 15:43:18 +0200[diff] [blame]147extern struct qdio_buffer_element
Swen Schillig564e1c82009-08-18 15:43:19 +0200[diff] [blame]148 *zfcp_qdio_sbale_curr(struct zfcp_qdio *, struct zfcp_queue_req *);
149extern int zfcp_qdio_sbals_from_sg(struct zfcp_qdio *,
Swen Schillig42428f72009-08-18 15:43:18 +0200[diff] [blame]150 struct zfcp_queue_req *, unsigned long,
Christof Schmitt92c299d2008-07-02 10:56:41 +0200[diff] [blame]151 struct scatterlist *, int);
Swen Schillig564e1c82009-08-18 15:43:19 +0200[diff] [blame]152extern int zfcp_qdio_open(struct zfcp_qdio *);
153extern void zfcp_qdio_close(struct zfcp_qdio *);
Christof Schmitt92c299d2008-07-02 10:56:41 +0200[diff] [blame]154
155/* zfcp_scsi.c */
156extern struct zfcp_data zfcp_data;
157extern int zfcp_adapter_scsi_register(struct zfcp_adapter *);
158extern void zfcp_adapter_scsi_unregister(struct zfcp_adapter *);
Christof Schmitt92c299d2008-07-02 10:56:41 +0200[diff] [blame]159extern char *zfcp_get_fcp_sns_info_ptr(struct fcp_rsp_iu *);
160extern struct fc_function_template zfcp_transport_functions;
Christof Schmitta2fa0ae2009-03-02 13:09:08 +0100[diff] [blame]161extern void zfcp_scsi_rport_work(struct work_struct *);
162extern void zfcp_scsi_schedule_rport_register(struct zfcp_port *);
163extern void zfcp_scsi_schedule_rport_block(struct zfcp_port *);
164extern void zfcp_scsi_schedule_rports_block(struct zfcp_adapter *);
Swen Schillig92d51932009-04-17 15:08:04 +0200[diff] [blame]165extern void zfcp_scsi_scan(struct work_struct *);
Christof Schmitt92c299d2008-07-02 10:56:41 +0200[diff] [blame]166
167/* zfcp_sysfs.c */
168extern struct attribute_group zfcp_sysfs_unit_attrs;
169extern struct attribute_group zfcp_sysfs_adapter_attrs;
Christof Schmitt92c299d2008-07-02 10:56:41 +0200[diff] [blame]170extern struct attribute_group zfcp_sysfs_port_attrs;
171extern struct device_attribute *zfcp_sysfs_sdev_attrs[];
172extern struct device_attribute *zfcp_sysfs_shost_attrs[];
Christof Schmitt45633fd2008-06-10 18:20:55 +0200[diff] [blame]173
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]174#endif /* ZFCP_EXT_H */