3 * linux/drivers/s390/scsi/zfcp_ext.h
5 * FCP adapter driver for IBM eServer zSeries
7 * (C) Copyright IBM Corp. 2002, 2004
9 * Author(s): Martin Peschke <mpeschke@de.ibm.com>
10 * Raimund Schroeder <raimund.schroeder@de.ibm.com>
13 * Stefan Bader <stefan.bader@de.ibm.com>
14 * Heiko Carstens <heiko.carstens@de.ibm.com>
16 * This program is free software; you can redistribute it and/or modify
17 * it under the terms of the GNU General Public License as published by
18 * the Free Software Foundation; either version 2, or (at your option)
21 * This program is distributed in the hope that it will be useful,
22 * but WITHOUT ANY WARRANTY; without even the implied warranty of
23 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
24 * GNU General Public License for more details.
26 * You should have received a copy of the GNU General Public License
27 * along with this program; if not, write to the Free Software
28 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
33 /* this drivers version (do not edit !!! generated and updated by cvs) */
34 #define ZFCP_EXT_REVISION "$Revision: 1.57 $"
38 extern struct zfcp_data zfcp_data;
40 /******************************** SYSFS *************************************/
41 extern int zfcp_sysfs_driver_create_files(struct device_driver *);
42 extern void zfcp_sysfs_driver_remove_files(struct device_driver *);
43 extern int zfcp_sysfs_adapter_create_files(struct device *);
44 extern void zfcp_sysfs_adapter_remove_files(struct device *);
45 extern int zfcp_sysfs_port_create_files(struct device *, u32);
46 extern void zfcp_sysfs_port_remove_files(struct device *, u32);
47 extern int zfcp_sysfs_unit_create_files(struct device *);
48 extern void zfcp_sysfs_unit_remove_files(struct device *);
49 extern void zfcp_sysfs_port_release(struct device *);
50 extern void zfcp_sysfs_unit_release(struct device *);
52 /**************************** CONFIGURATION *********************************/
53 extern struct zfcp_unit *zfcp_get_unit_by_lun(struct zfcp_port *, fcp_lun_t);
54 extern struct zfcp_port *zfcp_get_port_by_wwpn(struct zfcp_adapter *, wwn_t);
55 extern struct zfcp_port *zfcp_get_port_by_did(struct zfcp_adapter *, u32);
56 struct zfcp_adapter *zfcp_get_adapter_by_busid(char *);
57 extern struct zfcp_adapter *zfcp_adapter_enqueue(struct ccw_device *);
58 extern int zfcp_adapter_debug_register(struct zfcp_adapter *);
59 extern void zfcp_adapter_dequeue(struct zfcp_adapter *);
60 extern void zfcp_adapter_debug_unregister(struct zfcp_adapter *);
61 extern struct zfcp_port *zfcp_port_enqueue(struct zfcp_adapter *, wwn_t,
63 extern void zfcp_port_dequeue(struct zfcp_port *);
64 extern struct zfcp_unit *zfcp_unit_enqueue(struct zfcp_port *, fcp_lun_t);
65 extern void zfcp_unit_dequeue(struct zfcp_unit *);
67 /******************************* S/390 IO ************************************/
68 extern int zfcp_ccw_register(void);
69 extern void zfcp_ccw_unregister(void);
71 extern void zfcp_qdio_zero_sbals(struct qdio_buffer **, int, int);
72 extern int zfcp_qdio_allocate(struct zfcp_adapter *);
73 extern int zfcp_qdio_allocate_queues(struct zfcp_adapter *);
74 extern void zfcp_qdio_free_queues(struct zfcp_adapter *);
75 extern int zfcp_qdio_determine_pci(struct zfcp_qdio_queue *,
76 struct zfcp_fsf_req *);
77 extern int zfcp_qdio_reqid_check(struct zfcp_adapter *, void *);
79 extern volatile struct qdio_buffer_element *zfcp_qdio_sbale_req
80 (struct zfcp_fsf_req *, int, int);
81 extern volatile struct qdio_buffer_element *zfcp_qdio_sbale_curr
82 (struct zfcp_fsf_req *);
83 extern int zfcp_qdio_sbals_from_sg
84 (struct zfcp_fsf_req *, unsigned long, struct scatterlist *, int, int);
85 extern int zfcp_qdio_sbals_from_scsicmnd
86 (struct zfcp_fsf_req *, unsigned long, struct scsi_cmnd *);
89 /******************************** FSF ****************************************/
90 extern int zfcp_fsf_open_port(struct zfcp_erp_action *);
91 extern int zfcp_fsf_close_port(struct zfcp_erp_action *);
92 extern int zfcp_fsf_close_physical_port(struct zfcp_erp_action *);
94 extern int zfcp_fsf_open_unit(struct zfcp_erp_action *);
95 extern int zfcp_fsf_close_unit(struct zfcp_erp_action *);
97 extern int zfcp_fsf_exchange_config_data(struct zfcp_erp_action *);
98 extern int zfcp_fsf_exchange_port_data(struct zfcp_adapter *,
99 struct fsf_qtcb_bottom_port *);
100 extern int zfcp_fsf_control_file(struct zfcp_adapter *, struct zfcp_fsf_req **,
101 u32, u32, struct zfcp_sg_list *);
102 extern void zfcp_fsf_request_timeout_handler(unsigned long);
103 extern void zfcp_fsf_scsi_er_timeout_handler(unsigned long);
104 extern int zfcp_fsf_req_dismiss_all(struct zfcp_adapter *);
105 extern int zfcp_fsf_status_read(struct zfcp_adapter *, int);
106 extern int zfcp_fsf_req_create(struct zfcp_adapter *, u32, int, mempool_t *,
107 unsigned long *, struct zfcp_fsf_req **);
108 extern int zfcp_fsf_send_ct(struct zfcp_send_ct *, mempool_t *,
109 struct zfcp_erp_action *);
110 extern int zfcp_fsf_send_els(struct zfcp_send_els *);
111 extern int zfcp_fsf_req_wait_and_cleanup(struct zfcp_fsf_req *, int, u32 *);
112 extern int zfcp_fsf_send_fcp_command_task(struct zfcp_adapter *,
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 *);
118 extern void zfcp_fsf_req_cleanup(struct zfcp_fsf_req *);
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);
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 *);
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 *);
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 *);
145 extern struct scsi_transport_template *zfcp_transport_template;
146 extern struct fc_function_template zfcp_transport_functions;
148 /******************************** ERP ****************************************/
149 extern void zfcp_erp_modify_adapter_status(struct zfcp_adapter *, u32, int);
150 extern int zfcp_erp_adapter_reopen(struct zfcp_adapter *, int);
151 extern int zfcp_erp_adapter_shutdown(struct zfcp_adapter *, int);
152 extern void zfcp_erp_adapter_failed(struct zfcp_adapter *);
154 extern void zfcp_erp_modify_port_status(struct zfcp_port *, u32, int);
155 extern int zfcp_erp_port_reopen(struct zfcp_port *, int);
156 extern int zfcp_erp_port_shutdown(struct zfcp_port *, int);
157 extern int zfcp_erp_port_forced_reopen(struct zfcp_port *, int);
158 extern void zfcp_erp_port_failed(struct zfcp_port *);
159 extern int zfcp_erp_port_reopen_all(struct zfcp_adapter *, int);
161 extern void zfcp_erp_modify_unit_status(struct zfcp_unit *, u32, int);
162 extern int zfcp_erp_unit_reopen(struct zfcp_unit *, int);
163 extern int zfcp_erp_unit_shutdown(struct zfcp_unit *, int);
164 extern void zfcp_erp_unit_failed(struct zfcp_unit *);
166 extern int zfcp_erp_thread_setup(struct zfcp_adapter *);
167 extern int zfcp_erp_thread_kill(struct zfcp_adapter *);
168 extern int zfcp_erp_wait(struct zfcp_adapter *);
169 extern int zfcp_erp_async_handler(struct zfcp_erp_action *, unsigned long);
171 extern int zfcp_test_link(struct zfcp_port *);
173 /******************************** AUX ****************************************/
174 extern void zfcp_cmd_dbf_event_fsf(const char *, struct zfcp_fsf_req *,
176 extern void zfcp_cmd_dbf_event_scsi(const char *, struct scsi_cmnd *);
177 extern void zfcp_in_els_dbf_event(struct zfcp_adapter *, const char *,
178 struct fsf_status_read_buffer *, int);
179 #endif /* ZFCP_EXT_H */