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1da177e4 LT |
1 | /* |
2 | * | |
3 | * linux/drivers/s390/scsi/zfcp_ext.h | |
4 | * | |
5 | * FCP adapter driver for IBM eServer zSeries | |
6 | * | |
7 | * (C) Copyright IBM Corp. 2002, 2004 | |
8 | * | |
9 | * Author(s): Martin Peschke <mpeschke@de.ibm.com> | |
10 | * Raimund Schroeder <raimund.schroeder@de.ibm.com> | |
11 | * Aron Zeh | |
12 | * Wolfgang Taphorn | |
13 | * Stefan Bader <stefan.bader@de.ibm.com> | |
14 | * Heiko Carstens <heiko.carstens@de.ibm.com> | |
15 | * Andreas Herrmann <aherrman@de.ibm.com> | |
16 | * | |
17 | * This program is free software; you can redistribute it and/or modify | |
18 | * it under the terms of the GNU General Public License as published by | |
19 | * the Free Software Foundation; either version 2, or (at your option) | |
20 | * any later version. | |
21 | * | |
22 | * This program is distributed in the hope that it will be useful, | |
23 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
24 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
25 | * GNU General Public License for more details. | |
26 | * | |
27 | * You should have received a copy of the GNU General Public License | |
28 | * along with this program; if not, write to the Free Software | |
29 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
30 | */ | |
31 | ||
32 | #ifndef ZFCP_EXT_H | |
33 | #define ZFCP_EXT_H | |
34 | ||
35 | #define ZFCP_EXT_REVISION "$Revision: 1.62 $" | |
36 | ||
37 | #include "zfcp_def.h" | |
38 | ||
39 | extern struct zfcp_data zfcp_data; | |
40 | ||
41 | /******************************** SYSFS *************************************/ | |
42 | extern int zfcp_sysfs_driver_create_files(struct device_driver *); | |
43 | extern void zfcp_sysfs_driver_remove_files(struct device_driver *); | |
44 | extern int zfcp_sysfs_adapter_create_files(struct device *); | |
45 | extern void zfcp_sysfs_adapter_remove_files(struct device *); | |
46 | extern int zfcp_sysfs_port_create_files(struct device *, u32); | |
47 | extern void zfcp_sysfs_port_remove_files(struct device *, u32); | |
48 | extern int zfcp_sysfs_unit_create_files(struct device *); | |
49 | extern void zfcp_sysfs_unit_remove_files(struct device *); | |
50 | extern void zfcp_sysfs_port_release(struct device *); | |
51 | extern void zfcp_sysfs_unit_release(struct device *); | |
52 | ||
53 | /**************************** CONFIGURATION *********************************/ | |
54 | extern struct zfcp_unit *zfcp_get_unit_by_lun(struct zfcp_port *, fcp_lun_t); | |
55 | extern struct zfcp_port *zfcp_get_port_by_wwpn(struct zfcp_adapter *, wwn_t); | |
56 | extern struct zfcp_port *zfcp_get_port_by_did(struct zfcp_adapter *, u32); | |
57 | struct zfcp_adapter *zfcp_get_adapter_by_busid(char *); | |
58 | extern struct zfcp_adapter *zfcp_adapter_enqueue(struct ccw_device *); | |
59 | extern int zfcp_adapter_debug_register(struct zfcp_adapter *); | |
60 | extern void zfcp_adapter_dequeue(struct zfcp_adapter *); | |
61 | extern void zfcp_adapter_debug_unregister(struct zfcp_adapter *); | |
62 | extern struct zfcp_port *zfcp_port_enqueue(struct zfcp_adapter *, wwn_t, | |
63 | u32, u32); | |
64 | extern void zfcp_port_dequeue(struct zfcp_port *); | |
65 | extern struct zfcp_unit *zfcp_unit_enqueue(struct zfcp_port *, fcp_lun_t); | |
66 | extern void zfcp_unit_dequeue(struct zfcp_unit *); | |
67 | ||
68 | /******************************* S/390 IO ************************************/ | |
69 | extern int zfcp_ccw_register(void); | |
70 | extern void zfcp_ccw_unregister(void); | |
71 | ||
72 | extern void zfcp_qdio_zero_sbals(struct qdio_buffer **, int, int); | |
73 | extern int zfcp_qdio_allocate(struct zfcp_adapter *); | |
74 | extern int zfcp_qdio_allocate_queues(struct zfcp_adapter *); | |
75 | extern void zfcp_qdio_free_queues(struct zfcp_adapter *); | |
76 | extern int zfcp_qdio_determine_pci(struct zfcp_qdio_queue *, | |
77 | struct zfcp_fsf_req *); | |
78 | extern int zfcp_qdio_reqid_check(struct zfcp_adapter *, void *); | |
79 | ||
80 | extern volatile struct qdio_buffer_element *zfcp_qdio_sbale_req | |
81 | (struct zfcp_fsf_req *, int, int); | |
82 | extern volatile struct qdio_buffer_element *zfcp_qdio_sbale_curr | |
83 | (struct zfcp_fsf_req *); | |
84 | extern int zfcp_qdio_sbals_from_sg | |
85 | (struct zfcp_fsf_req *, unsigned long, struct scatterlist *, int, int); | |
86 | extern int zfcp_qdio_sbals_from_scsicmnd | |
87 | (struct zfcp_fsf_req *, unsigned long, struct scsi_cmnd *); | |
88 | ||
89 | ||
90 | /******************************** FSF ****************************************/ | |
91 | extern int zfcp_fsf_open_port(struct zfcp_erp_action *); | |
92 | extern int zfcp_fsf_close_port(struct zfcp_erp_action *); | |
93 | extern int zfcp_fsf_close_physical_port(struct zfcp_erp_action *); | |
94 | ||
95 | extern int zfcp_fsf_open_unit(struct zfcp_erp_action *); | |
96 | extern int zfcp_fsf_close_unit(struct zfcp_erp_action *); | |
97 | ||
98 | extern int zfcp_fsf_exchange_config_data(struct zfcp_erp_action *); | |
99 | extern int zfcp_fsf_exchange_port_data(struct zfcp_adapter *, | |
100 | struct fsf_qtcb_bottom_port *); | |
101 | extern int zfcp_fsf_control_file(struct zfcp_adapter *, struct zfcp_fsf_req **, | |
102 | u32, u32, struct zfcp_sg_list *); | |
103 | extern void zfcp_fsf_request_timeout_handler(unsigned long); | |
104 | extern void zfcp_fsf_scsi_er_timeout_handler(unsigned long); | |
105 | extern int zfcp_fsf_req_dismiss_all(struct zfcp_adapter *); | |
106 | extern int zfcp_fsf_status_read(struct zfcp_adapter *, int); | |
107 | extern int zfcp_fsf_req_create(struct zfcp_adapter *, u32, int, mempool_t *, | |
108 | unsigned long *, struct zfcp_fsf_req **); | |
109 | extern int zfcp_fsf_send_ct(struct zfcp_send_ct *, mempool_t *, | |
110 | struct zfcp_erp_action *); | |
111 | extern int zfcp_fsf_send_els(struct zfcp_send_els *); | |
1da177e4 LT |
112 | extern int zfcp_fsf_send_fcp_command_task(struct zfcp_adapter *, |
113 | struct zfcp_unit *, | |
114 | struct scsi_cmnd *, | |
115 | struct timer_list*, int); | |
116 | extern int zfcp_fsf_req_complete(struct zfcp_fsf_req *); | |
117 | extern void zfcp_fsf_incoming_els(struct zfcp_fsf_req *); | |
1db2c9c0 | 118 | extern void zfcp_fsf_req_free(struct zfcp_fsf_req *); |
1da177e4 LT |
119 | extern struct zfcp_fsf_req *zfcp_fsf_send_fcp_command_task_management( |
120 | struct zfcp_adapter *, struct zfcp_unit *, u8, int); | |
121 | extern struct zfcp_fsf_req *zfcp_fsf_abort_fcp_command( | |
122 | unsigned long, struct zfcp_adapter *, struct zfcp_unit *, int); | |
123 | ||
124 | /******************************* FC/FCP **************************************/ | |
125 | extern int zfcp_nameserver_enqueue(struct zfcp_adapter *); | |
126 | extern int zfcp_ns_gid_pn_request(struct zfcp_erp_action *); | |
127 | extern int zfcp_check_ct_response(struct ct_hdr *); | |
128 | extern int zfcp_handle_els_rjt(u32, struct zfcp_ls_rjt_par *); | |
129 | ||
130 | /******************************* SCSI ****************************************/ | |
131 | extern int zfcp_adapter_scsi_register(struct zfcp_adapter *); | |
132 | extern void zfcp_adapter_scsi_unregister(struct zfcp_adapter *); | |
133 | extern void zfcp_set_fcp_dl(struct fcp_cmnd_iu *, fcp_dl_t); | |
134 | extern char *zfcp_get_fcp_rsp_info_ptr(struct fcp_rsp_iu *); | |
135 | extern void set_host_byte(u32 *, char); | |
136 | extern void set_driver_byte(u32 *, char); | |
137 | extern char *zfcp_get_fcp_sns_info_ptr(struct fcp_rsp_iu *); | |
138 | extern void zfcp_fsf_start_scsi_er_timer(struct zfcp_adapter *); | |
139 | extern fcp_dl_t zfcp_get_fcp_dl(struct fcp_cmnd_iu *); | |
140 | ||
141 | extern int zfcp_scsi_command_async(struct zfcp_adapter *,struct zfcp_unit *, | |
142 | struct scsi_cmnd *, struct timer_list *); | |
143 | extern int zfcp_scsi_command_sync(struct zfcp_unit *, struct scsi_cmnd *, | |
144 | struct timer_list *); | |
3859f6a2 AH |
145 | extern void zfcp_set_fc_host_attrs(struct zfcp_adapter *); |
146 | extern void zfcp_set_fc_rport_attrs(struct zfcp_port *); | |
1da177e4 LT |
147 | extern struct scsi_transport_template *zfcp_transport_template; |
148 | extern struct fc_function_template zfcp_transport_functions; | |
149 | ||
150 | /******************************** ERP ****************************************/ | |
151 | extern void zfcp_erp_modify_adapter_status(struct zfcp_adapter *, u32, int); | |
152 | extern int zfcp_erp_adapter_reopen(struct zfcp_adapter *, int); | |
153 | extern int zfcp_erp_adapter_shutdown(struct zfcp_adapter *, int); | |
154 | extern void zfcp_erp_adapter_failed(struct zfcp_adapter *); | |
155 | ||
156 | extern void zfcp_erp_modify_port_status(struct zfcp_port *, u32, int); | |
157 | extern int zfcp_erp_port_reopen(struct zfcp_port *, int); | |
158 | extern int zfcp_erp_port_shutdown(struct zfcp_port *, int); | |
159 | extern int zfcp_erp_port_forced_reopen(struct zfcp_port *, int); | |
160 | extern void zfcp_erp_port_failed(struct zfcp_port *); | |
161 | extern int zfcp_erp_port_reopen_all(struct zfcp_adapter *, int); | |
162 | ||
163 | extern void zfcp_erp_modify_unit_status(struct zfcp_unit *, u32, int); | |
164 | extern int zfcp_erp_unit_reopen(struct zfcp_unit *, int); | |
165 | extern int zfcp_erp_unit_shutdown(struct zfcp_unit *, int); | |
166 | extern void zfcp_erp_unit_failed(struct zfcp_unit *); | |
167 | ||
168 | extern int zfcp_erp_thread_setup(struct zfcp_adapter *); | |
169 | extern int zfcp_erp_thread_kill(struct zfcp_adapter *); | |
170 | extern int zfcp_erp_wait(struct zfcp_adapter *); | |
171 | extern int zfcp_erp_async_handler(struct zfcp_erp_action *, unsigned long); | |
172 | ||
173 | extern int zfcp_test_link(struct zfcp_port *); | |
174 | ||
d736a27b AH |
175 | extern void zfcp_erp_port_boxed(struct zfcp_port *); |
176 | extern void zfcp_erp_unit_boxed(struct zfcp_unit *); | |
1da177e4 LT |
177 | extern void zfcp_erp_port_access_denied(struct zfcp_port *); |
178 | extern void zfcp_erp_unit_access_denied(struct zfcp_unit *); | |
179 | extern void zfcp_erp_adapter_access_changed(struct zfcp_adapter *); | |
180 | extern void zfcp_erp_port_access_changed(struct zfcp_port *); | |
181 | extern void zfcp_erp_unit_access_changed(struct zfcp_unit *); | |
182 | ||
183 | /******************************** AUX ****************************************/ | |
184 | extern void zfcp_cmd_dbf_event_fsf(const char *, struct zfcp_fsf_req *, | |
185 | void *, int); | |
186 | extern void zfcp_cmd_dbf_event_scsi(const char *, struct scsi_cmnd *); | |
187 | extern void zfcp_in_els_dbf_event(struct zfcp_adapter *, const char *, | |
188 | struct fsf_status_read_buffer *, int); | |
189 | #endif /* ZFCP_EXT_H */ |