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[SCSI] zfcp: Move FC code to new file
[deliverable/linux.git] / drivers / s390 / scsi / zfcp_ext.h
CommitLineData
41fa2ada 1/*
4a9d2d8b
AH		 2 * This file is part of the zfcp device driver for
3 * FCP adapters for IBM System z9 and zSeries.
1da177e4 4 *
4a9d2d8b 5 * (C) Copyright IBM Corp. 2002, 2006
41fa2ada
SS		 6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2, or (at your option)
10 * any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
1da177e4
LT		 20 */
21
22#ifndef ZFCP_EXT_H
23#define ZFCP_EXT_H
24
1da177e4
LT		 25#include "zfcp_def.h"
26
27extern struct zfcp_data zfcp_data;
28
29/******************************** SYSFS *************************************/
0478b83a 30extern struct attribute_group *zfcp_driver_attr_groups[];
1da177e4
LT		 31extern int zfcp_sysfs_adapter_create_files(struct device *);
32extern void zfcp_sysfs_adapter_remove_files(struct device *);
33extern int zfcp_sysfs_port_create_files(struct device *, u32);
34extern void zfcp_sysfs_port_remove_files(struct device *, u32);
35extern int zfcp_sysfs_unit_create_files(struct device *);
36extern void zfcp_sysfs_unit_remove_files(struct device *);
37extern void zfcp_sysfs_port_release(struct device *);
38extern void zfcp_sysfs_unit_release(struct device *);
39
40/**************************** CONFIGURATION *********************************/
41extern struct zfcp_unit *zfcp_get_unit_by_lun(struct zfcp_port *, fcp_lun_t);
42extern struct zfcp_port *zfcp_get_port_by_wwpn(struct zfcp_adapter *, wwn_t);
43extern struct zfcp_port *zfcp_get_port_by_did(struct zfcp_adapter *, u32);
44struct zfcp_adapter *zfcp_get_adapter_by_busid(char *);
45extern struct zfcp_adapter *zfcp_adapter_enqueue(struct ccw_device *);
46extern int zfcp_adapter_debug_register(struct zfcp_adapter *);
47extern void zfcp_adapter_dequeue(struct zfcp_adapter *);
48extern void zfcp_adapter_debug_unregister(struct zfcp_adapter *);
49extern struct zfcp_port *zfcp_port_enqueue(struct zfcp_adapter *, wwn_t,
50 u32, u32);
51extern void zfcp_port_dequeue(struct zfcp_port *);
52extern struct zfcp_unit *zfcp_unit_enqueue(struct zfcp_port *, fcp_lun_t);
53extern void zfcp_unit_dequeue(struct zfcp_unit *);
54
55/******************************* S/390 IO ************************************/
56extern int zfcp_ccw_register(void);
1da177e4
LT		 57
58extern void zfcp_qdio_zero_sbals(struct qdio_buffer **, int, int);
59extern int zfcp_qdio_allocate(struct zfcp_adapter *);
60extern int zfcp_qdio_allocate_queues(struct zfcp_adapter *);
61extern void zfcp_qdio_free_queues(struct zfcp_adapter *);
62extern int zfcp_qdio_determine_pci(struct zfcp_qdio_queue *,
63 struct zfcp_fsf_req *);
1da177e4
LT		 64
65extern volatile struct qdio_buffer_element *zfcp_qdio_sbale_req
66 (struct zfcp_fsf_req *, int, int);
67extern volatile struct qdio_buffer_element *zfcp_qdio_sbale_curr
68 (struct zfcp_fsf_req *);
69extern int zfcp_qdio_sbals_from_sg
70 (struct zfcp_fsf_req *, unsigned long, struct scatterlist *, int, int);
71extern int zfcp_qdio_sbals_from_scsicmnd
72 (struct zfcp_fsf_req *, unsigned long, struct scsi_cmnd *);
73
74
75/******************************** FSF ****************************************/
76extern int zfcp_fsf_open_port(struct zfcp_erp_action *);
77extern int zfcp_fsf_close_port(struct zfcp_erp_action *);
78extern int zfcp_fsf_close_physical_port(struct zfcp_erp_action *);
79
80extern int zfcp_fsf_open_unit(struct zfcp_erp_action *);
81extern int zfcp_fsf_close_unit(struct zfcp_erp_action *);
82
83extern int zfcp_fsf_exchange_config_data(struct zfcp_erp_action *);
52ef11a7
SS		 84extern int zfcp_fsf_exchange_config_data_sync(struct zfcp_adapter *,
85 struct fsf_qtcb_bottom_config *);
86extern int zfcp_fsf_exchange_port_data(struct zfcp_erp_action *);
87extern int zfcp_fsf_exchange_port_data_sync(struct zfcp_adapter *,
88 struct fsf_qtcb_bottom_port *);
1da177e4
LT		 89extern int zfcp_fsf_control_file(struct zfcp_adapter *, struct zfcp_fsf_req **,
90 u32, u32, struct zfcp_sg_list *);
2abbe866
AH		 91extern void zfcp_fsf_start_timer(struct zfcp_fsf_req *, unsigned long);
92extern void zfcp_erp_start_timer(struct zfcp_fsf_req *);
6fcc4711 93extern void zfcp_fsf_req_dismiss_all(struct zfcp_adapter *);
1da177e4 94extern int zfcp_fsf_status_read(struct zfcp_adapter *, int);
d26ab06e 95extern int zfcp_status_read_refill(struct zfcp_adapter *adapter);
1da177e4 96extern int zfcp_fsf_req_create(struct zfcp_adapter *, u32, int, mempool_t *,
5c9a6890
CS		 97 unsigned long *, struct zfcp_fsf_req **)
98 __acquires(adapter->request_queue.queue_lock);
1da177e4
LT		 99extern int zfcp_fsf_send_ct(struct zfcp_send_ct *, mempool_t *,
100 struct zfcp_erp_action *);
101extern int zfcp_fsf_send_els(struct zfcp_send_els *);
1da177e4
LT		 102extern int zfcp_fsf_send_fcp_command_task(struct zfcp_adapter *,
103 struct zfcp_unit *,
2abbe866 104 struct scsi_cmnd *, int, int);
1da177e4 105extern int zfcp_fsf_req_complete(struct zfcp_fsf_req *);
1db2c9c0 106extern void zfcp_fsf_req_free(struct zfcp_fsf_req *);
1da177e4
LT		 107extern struct zfcp_fsf_req *zfcp_fsf_send_fcp_command_task_management(
108 struct zfcp_adapter *, struct zfcp_unit *, u8, int);
109extern struct zfcp_fsf_req *zfcp_fsf_abort_fcp_command(
110 unsigned long, struct zfcp_adapter *, struct zfcp_unit *, int);
111
112/******************************* FC/FCP **************************************/
24073b47
CS		 113extern void zfcp_fc_incoming_els(struct zfcp_fsf_req *);
114extern int zfcp_fc_ns_gid_pn_request(struct zfcp_erp_action *);
115extern void zfcp_fc_plogi_evaluate(struct zfcp_port *, struct fsf_plogi *);
116extern void zfcp_test_link(struct zfcp_port *);
117
1da177e4 118extern int zfcp_nameserver_enqueue(struct zfcp_adapter *);
1da177e4
LT		 119
120/******************************* SCSI ****************************************/
121extern int zfcp_adapter_scsi_register(struct zfcp_adapter *);
122extern void zfcp_adapter_scsi_unregister(struct zfcp_adapter *);
123extern void zfcp_set_fcp_dl(struct fcp_cmnd_iu *, fcp_dl_t);
124extern char *zfcp_get_fcp_rsp_info_ptr(struct fcp_rsp_iu *);
2b67fc46
HC		 125extern void set_host_byte(int *, char);
126extern void set_driver_byte(int *, char);
1da177e4 127extern char *zfcp_get_fcp_sns_info_ptr(struct fcp_rsp_iu *);
1da177e4
LT		 128extern fcp_dl_t zfcp_get_fcp_dl(struct fcp_cmnd_iu *);
129
130extern int zfcp_scsi_command_async(struct zfcp_adapter *,struct zfcp_unit *,
2abbe866
AH		 131 struct scsi_cmnd *, int);
132extern int zfcp_scsi_command_sync(struct zfcp_unit *, struct scsi_cmnd *, int);
1da177e4
LT		 133extern struct fc_function_template zfcp_transport_functions;
134
135/******************************** ERP ****************************************/
1f6f7129
MP		 136extern void zfcp_erp_modify_adapter_status(struct zfcp_adapter *, u8, void *,
137 u32, int);
138extern int zfcp_erp_adapter_reopen(struct zfcp_adapter *, int, u8, void *);
139extern int zfcp_erp_adapter_shutdown(struct zfcp_adapter *, int, u8, void *);
140extern void zfcp_erp_adapter_failed(struct zfcp_adapter *, u8, void *);
141
142extern void zfcp_erp_modify_port_status(struct zfcp_port *, u8, void *, u32,
143 int);
144extern int zfcp_erp_port_reopen(struct zfcp_port *, int, u8, void *);
145extern int zfcp_erp_port_shutdown(struct zfcp_port *, int, u8, void *);
146extern int zfcp_erp_port_forced_reopen(struct zfcp_port *, int, u8, void *);
147extern void zfcp_erp_port_failed(struct zfcp_port *, u8, void *);
148extern int zfcp_erp_port_reopen_all(struct zfcp_adapter *, int, u8, void *);
149
150extern void zfcp_erp_modify_unit_status(struct zfcp_unit *, u8, void *, u32,
151 int);
152extern int zfcp_erp_unit_reopen(struct zfcp_unit *, int, u8, void *);
153extern int zfcp_erp_unit_shutdown(struct zfcp_unit *, int, u8, void *);
154extern void zfcp_erp_unit_failed(struct zfcp_unit *, u8, void *);
1da177e4
LT		 155
156extern int zfcp_erp_thread_setup(struct zfcp_adapter *);
157extern int zfcp_erp_thread_kill(struct zfcp_adapter *);
158extern int zfcp_erp_wait(struct zfcp_adapter *);
f6c0e7a7 159extern void zfcp_erp_async_handler(struct zfcp_erp_action *, unsigned long);
1da177e4 160
1f6f7129
MP		 161extern void zfcp_erp_port_boxed(struct zfcp_port *, u8 id, void *ref);
162extern void zfcp_erp_unit_boxed(struct zfcp_unit *, u8 id, void *ref);
163extern void zfcp_erp_port_access_denied(struct zfcp_port *, u8 id, void *ref);
164extern void zfcp_erp_unit_access_denied(struct zfcp_unit *, u8 id, void *ref);
165extern void zfcp_erp_adapter_access_changed(struct zfcp_adapter *, u8, void *);
166extern void zfcp_erp_port_access_changed(struct zfcp_port *, u8, void *);
167extern void zfcp_erp_unit_access_changed(struct zfcp_unit *, u8, void *);
1da177e4
LT		 168
169/******************************** AUX ****************************************/
aa0fec62
CS		 170extern void zfcp_rec_dbf_event_thread(u8 id, struct zfcp_adapter *adapter);
171extern void zfcp_rec_dbf_event_thread_lock(u8 id, struct zfcp_adapter *adapter);
1f6f7129
MP		 172extern void zfcp_rec_dbf_event_adapter(u8 id, void *ref, struct zfcp_adapter *);
173extern void zfcp_rec_dbf_event_port(u8 id, void *ref, struct zfcp_port *port);
174extern void zfcp_rec_dbf_event_unit(u8 id, void *ref, struct zfcp_unit *unit);
175extern void zfcp_rec_dbf_event_trigger(u8 id, void *ref, u8 want, u8 need,
176 void *action, struct zfcp_adapter *,
9467a9b3 177 struct zfcp_port *, struct zfcp_unit *);
6f4f365e 178extern void zfcp_rec_dbf_event_action(u8 id, struct zfcp_erp_action *);
348447e8 179
8a36e453
MS		 180extern void zfcp_hba_dbf_event_fsf_response(struct zfcp_fsf_req *);
181extern void zfcp_hba_dbf_event_fsf_unsol(const char *, struct zfcp_adapter *,
182 struct fsf_status_read_buffer *);
183extern void zfcp_hba_dbf_event_qdio(struct zfcp_adapter *,
184 unsigned int, unsigned int, unsigned int,
185 int, int);
186
187extern void zfcp_san_dbf_event_ct_request(struct zfcp_fsf_req *);
188extern void zfcp_san_dbf_event_ct_response(struct zfcp_fsf_req *);
189extern void zfcp_san_dbf_event_els_request(struct zfcp_fsf_req *);
190extern void zfcp_san_dbf_event_els_response(struct zfcp_fsf_req *);
191extern void zfcp_san_dbf_event_incoming_els(struct zfcp_fsf_req *);
192
193extern void zfcp_scsi_dbf_event_result(const char *, int, struct zfcp_adapter *,
ed829ad6
MS		 194 struct scsi_cmnd *,
195 struct zfcp_fsf_req *);
8a36e453 196extern void zfcp_scsi_dbf_event_abort(const char *, struct zfcp_adapter *,
ed829ad6 197 struct scsi_cmnd *, struct zfcp_fsf_req *,
4eff4a36 198 unsigned long);
8a36e453
MS		 199extern void zfcp_scsi_dbf_event_devreset(const char *, u8, struct zfcp_unit *,
200 struct scsi_cmnd *);
fea9d6c7 201extern int zfcp_reqlist_isempty(struct zfcp_adapter *);
8a36e453 202
1da177e4 203#endif /* ZFCP_EXT_H */
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