update checkpatch.pl to version 0.05
[pv_ops_mirror.git] / drivers / s390 / scsi / zfcp_ext.h
blob991d45667a44d0453f06d0134d1345a8a5509d2a
1 /*
2 * This file is part of the zfcp device driver for
3 * FCP adapters for IBM System z9 and zSeries.
5 * (C) Copyright IBM Corp. 2002, 2006
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.
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.
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.
22 #ifndef ZFCP_EXT_H
23 #define ZFCP_EXT_H
25 #include "zfcp_def.h"
27 extern struct zfcp_data zfcp_data;
29 /******************************** SYSFS *************************************/
30 extern int zfcp_sysfs_driver_create_files(struct device_driver *);
31 extern void zfcp_sysfs_driver_remove_files(struct device_driver *);
32 extern int zfcp_sysfs_adapter_create_files(struct device *);
33 extern void zfcp_sysfs_adapter_remove_files(struct device *);
34 extern int zfcp_sysfs_port_create_files(struct device *, u32);
35 extern void zfcp_sysfs_port_remove_files(struct device *, u32);
36 extern int zfcp_sysfs_unit_create_files(struct device *);
37 extern void zfcp_sysfs_unit_remove_files(struct device *);
38 extern void zfcp_sysfs_port_release(struct device *);
39 extern void zfcp_sysfs_unit_release(struct device *);
41 /**************************** CONFIGURATION *********************************/
42 extern struct zfcp_unit *zfcp_get_unit_by_lun(struct zfcp_port *, fcp_lun_t);
43 extern struct zfcp_port *zfcp_get_port_by_wwpn(struct zfcp_adapter *, wwn_t);
44 extern struct zfcp_port *zfcp_get_port_by_did(struct zfcp_adapter *, u32);
45 struct zfcp_adapter *zfcp_get_adapter_by_busid(char *);
46 extern struct zfcp_adapter *zfcp_adapter_enqueue(struct ccw_device *);
47 extern int zfcp_adapter_debug_register(struct zfcp_adapter *);
48 extern void zfcp_adapter_dequeue(struct zfcp_adapter *);
49 extern void zfcp_adapter_debug_unregister(struct zfcp_adapter *);
50 extern struct zfcp_port *zfcp_port_enqueue(struct zfcp_adapter *, wwn_t,
51 u32, u32);
52 extern void zfcp_port_dequeue(struct zfcp_port *);
53 extern struct zfcp_unit *zfcp_unit_enqueue(struct zfcp_port *, fcp_lun_t);
54 extern void zfcp_unit_dequeue(struct zfcp_unit *);
56 /******************************* S/390 IO ************************************/
57 extern int zfcp_ccw_register(void);
59 extern void zfcp_qdio_zero_sbals(struct qdio_buffer **, int, int);
60 extern int zfcp_qdio_allocate(struct zfcp_adapter *);
61 extern int zfcp_qdio_allocate_queues(struct zfcp_adapter *);
62 extern void zfcp_qdio_free_queues(struct zfcp_adapter *);
63 extern int zfcp_qdio_determine_pci(struct zfcp_qdio_queue *,
64 struct zfcp_fsf_req *);
66 extern volatile struct qdio_buffer_element *zfcp_qdio_sbale_req
67 (struct zfcp_fsf_req *, int, int);
68 extern volatile struct qdio_buffer_element *zfcp_qdio_sbale_curr
69 (struct zfcp_fsf_req *);
70 extern int zfcp_qdio_sbals_from_sg
71 (struct zfcp_fsf_req *, unsigned long, struct scatterlist *, int, int);
72 extern int zfcp_qdio_sbals_from_scsicmnd
73 (struct zfcp_fsf_req *, unsigned long, struct scsi_cmnd *);
76 /******************************** FSF ****************************************/
77 extern int zfcp_fsf_open_port(struct zfcp_erp_action *);
78 extern int zfcp_fsf_close_port(struct zfcp_erp_action *);
79 extern int zfcp_fsf_close_physical_port(struct zfcp_erp_action *);
81 extern int zfcp_fsf_open_unit(struct zfcp_erp_action *);
82 extern int zfcp_fsf_close_unit(struct zfcp_erp_action *);
84 extern int zfcp_fsf_exchange_config_data(struct zfcp_erp_action *);
85 extern int zfcp_fsf_exchange_port_data(struct zfcp_erp_action *,
86 struct zfcp_adapter *,
87 struct fsf_qtcb_bottom_port *);
88 extern int zfcp_fsf_control_file(struct zfcp_adapter *, struct zfcp_fsf_req **,
89 u32, u32, struct zfcp_sg_list *);
90 extern void zfcp_fsf_start_timer(struct zfcp_fsf_req *, unsigned long);
91 extern void zfcp_erp_start_timer(struct zfcp_fsf_req *);
92 extern void zfcp_fsf_req_dismiss_all(struct zfcp_adapter *);
93 extern int zfcp_fsf_status_read(struct zfcp_adapter *, int);
94 extern int zfcp_fsf_req_create(struct zfcp_adapter *, u32, int, mempool_t *,
95 unsigned long *, struct zfcp_fsf_req **);
96 extern int zfcp_fsf_send_ct(struct zfcp_send_ct *, mempool_t *,
97 struct zfcp_erp_action *);
98 extern int zfcp_fsf_send_els(struct zfcp_send_els *);
99 extern int zfcp_fsf_send_fcp_command_task(struct zfcp_adapter *,
100 struct zfcp_unit *,
101 struct scsi_cmnd *, int, int);
102 extern int zfcp_fsf_req_complete(struct zfcp_fsf_req *);
103 extern void zfcp_fsf_incoming_els(struct zfcp_fsf_req *);
104 extern void zfcp_fsf_req_free(struct zfcp_fsf_req *);
105 extern struct zfcp_fsf_req *zfcp_fsf_send_fcp_command_task_management(
106 struct zfcp_adapter *, struct zfcp_unit *, u8, int);
107 extern struct zfcp_fsf_req *zfcp_fsf_abort_fcp_command(
108 unsigned long, struct zfcp_adapter *, struct zfcp_unit *, int);
110 /******************************* FC/FCP **************************************/
111 extern int zfcp_nameserver_enqueue(struct zfcp_adapter *);
112 extern int zfcp_ns_gid_pn_request(struct zfcp_erp_action *);
113 extern int zfcp_check_ct_response(struct ct_hdr *);
114 extern int zfcp_handle_els_rjt(u32, struct zfcp_ls_rjt_par *);
115 extern void zfcp_plogi_evaluate(struct zfcp_port *, struct fsf_plogi *);
117 /******************************* SCSI ****************************************/
118 extern int zfcp_adapter_scsi_register(struct zfcp_adapter *);
119 extern void zfcp_adapter_scsi_unregister(struct zfcp_adapter *);
120 extern void zfcp_set_fcp_dl(struct fcp_cmnd_iu *, fcp_dl_t);
121 extern char *zfcp_get_fcp_rsp_info_ptr(struct fcp_rsp_iu *);
122 extern void set_host_byte(int *, char);
123 extern void set_driver_byte(int *, char);
124 extern char *zfcp_get_fcp_sns_info_ptr(struct fcp_rsp_iu *);
125 extern fcp_dl_t zfcp_get_fcp_dl(struct fcp_cmnd_iu *);
127 extern int zfcp_scsi_command_async(struct zfcp_adapter *,struct zfcp_unit *,
128 struct scsi_cmnd *, int);
129 extern int zfcp_scsi_command_sync(struct zfcp_unit *, struct scsi_cmnd *, int);
130 extern struct fc_function_template zfcp_transport_functions;
132 /******************************** ERP ****************************************/
133 extern void zfcp_erp_modify_adapter_status(struct zfcp_adapter *, u32, int);
134 extern int zfcp_erp_adapter_reopen(struct zfcp_adapter *, int);
135 extern int zfcp_erp_adapter_shutdown(struct zfcp_adapter *, int);
136 extern void zfcp_erp_adapter_failed(struct zfcp_adapter *);
138 extern void zfcp_erp_modify_port_status(struct zfcp_port *, u32, int);
139 extern int zfcp_erp_port_reopen(struct zfcp_port *, int);
140 extern int zfcp_erp_port_shutdown(struct zfcp_port *, int);
141 extern int zfcp_erp_port_forced_reopen(struct zfcp_port *, int);
142 extern void zfcp_erp_port_failed(struct zfcp_port *);
143 extern int zfcp_erp_port_reopen_all(struct zfcp_adapter *, int);
145 extern void zfcp_erp_modify_unit_status(struct zfcp_unit *, u32, int);
146 extern int zfcp_erp_unit_reopen(struct zfcp_unit *, int);
147 extern int zfcp_erp_unit_shutdown(struct zfcp_unit *, int);
148 extern void zfcp_erp_unit_failed(struct zfcp_unit *);
150 extern int zfcp_erp_thread_setup(struct zfcp_adapter *);
151 extern int zfcp_erp_thread_kill(struct zfcp_adapter *);
152 extern int zfcp_erp_wait(struct zfcp_adapter *);
153 extern void zfcp_erp_async_handler(struct zfcp_erp_action *, unsigned long);
155 extern int zfcp_test_link(struct zfcp_port *);
157 extern void zfcp_erp_port_boxed(struct zfcp_port *);
158 extern void zfcp_erp_unit_boxed(struct zfcp_unit *);
159 extern void zfcp_erp_port_access_denied(struct zfcp_port *);
160 extern void zfcp_erp_unit_access_denied(struct zfcp_unit *);
161 extern void zfcp_erp_adapter_access_changed(struct zfcp_adapter *);
162 extern void zfcp_erp_port_access_changed(struct zfcp_port *);
163 extern void zfcp_erp_unit_access_changed(struct zfcp_unit *);
165 /******************************** AUX ****************************************/
166 extern void zfcp_hba_dbf_event_fsf_response(struct zfcp_fsf_req *);
167 extern void zfcp_hba_dbf_event_fsf_unsol(const char *, struct zfcp_adapter *,
168 struct fsf_status_read_buffer *);
169 extern void zfcp_hba_dbf_event_qdio(struct zfcp_adapter *,
170 unsigned int, unsigned int, unsigned int,
171 int, int);
173 extern void zfcp_san_dbf_event_ct_request(struct zfcp_fsf_req *);
174 extern void zfcp_san_dbf_event_ct_response(struct zfcp_fsf_req *);
175 extern void zfcp_san_dbf_event_els_request(struct zfcp_fsf_req *);
176 extern void zfcp_san_dbf_event_els_response(struct zfcp_fsf_req *);
177 extern void zfcp_san_dbf_event_incoming_els(struct zfcp_fsf_req *);
179 extern void zfcp_scsi_dbf_event_result(const char *, int, struct zfcp_adapter *,
180 struct scsi_cmnd *,
181 struct zfcp_fsf_req *);
182 extern void zfcp_scsi_dbf_event_abort(const char *, struct zfcp_adapter *,
183 struct scsi_cmnd *, struct zfcp_fsf_req *,
184 unsigned long);
185 extern void zfcp_scsi_dbf_event_devreset(const char *, u8, struct zfcp_unit *,
186 struct scsi_cmnd *);
187 extern int zfcp_reqlist_isempty(struct zfcp_adapter *);
189 #endif /* ZFCP_EXT_H */