git://bbs.cooldavid.org / net-next-2.6.git / blame
| Commit | Line | Data |
|---|---|---|
| 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 *); | |
| 112 | extern int zfcp_fsf_req_wait_and_cleanup(struct zfcp_fsf_req *, int, u32 *); | |
| 113 | extern int zfcp_fsf_send_fcp_command_task(struct zfcp_adapter *, | |
| 114 | struct zfcp_unit *, | |
| 115 | struct scsi_cmnd *, | |
| 116 | struct timer_list*, int); | |
| 117 | extern int zfcp_fsf_req_complete(struct zfcp_fsf_req *); | |
| 118 | extern void zfcp_fsf_incoming_els(struct zfcp_fsf_req *); | |
| 119 | extern void zfcp_fsf_req_cleanup(struct zfcp_fsf_req *); | |
| 120 | extern struct zfcp_fsf_req *zfcp_fsf_send_fcp_command_task_management( | |
| 121 | struct zfcp_adapter *, struct zfcp_unit *, u8, int); | |
| 122 | extern struct zfcp_fsf_req *zfcp_fsf_abort_fcp_command( | |
| 123 | unsigned long, struct zfcp_adapter *, struct zfcp_unit *, int); | |
| 124 | ||
| 125 | /******************************* FC/FCP **************************************/ | |
| 126 | extern int zfcp_nameserver_enqueue(struct zfcp_adapter *); | |
| 127 | extern int zfcp_ns_gid_pn_request(struct zfcp_erp_action *); | |
| 128 | extern int zfcp_check_ct_response(struct ct_hdr *); | |
| 129 | extern int zfcp_handle_els_rjt(u32, struct zfcp_ls_rjt_par *); | |
| 130 | ||
| 131 | /******************************* SCSI ****************************************/ | |
| 132 | extern int zfcp_adapter_scsi_register(struct zfcp_adapter *); | |
| 133 | extern void zfcp_adapter_scsi_unregister(struct zfcp_adapter *); | |
| 134 | extern void zfcp_set_fcp_dl(struct fcp_cmnd_iu *, fcp_dl_t); | |
| 135 | extern char *zfcp_get_fcp_rsp_info_ptr(struct fcp_rsp_iu *); | |
| 136 | extern void set_host_byte(u32 *, char); | |
| 137 | extern void set_driver_byte(u32 *, char); | |
| 138 | extern char *zfcp_get_fcp_sns_info_ptr(struct fcp_rsp_iu *); | |
| 139 | extern void zfcp_fsf_start_scsi_er_timer(struct zfcp_adapter *); | |
| 140 | extern fcp_dl_t zfcp_get_fcp_dl(struct fcp_cmnd_iu *); | |
| 141 | ||
| 142 | extern int zfcp_scsi_command_async(struct zfcp_adapter *,struct zfcp_unit *, | |
| 143 | struct scsi_cmnd *, struct timer_list *); | |
| 144 | extern int zfcp_scsi_command_sync(struct zfcp_unit *, struct scsi_cmnd *, | |
| 145 | struct timer_list *); | |
| 146 | extern struct scsi_transport_template *zfcp_transport_template; | |
| 147 | extern struct fc_function_template zfcp_transport_functions; | |
| 148 | ||
| 149 | /******************************** ERP ****************************************/ | |
| 150 | extern void zfcp_erp_modify_adapter_status(struct zfcp_adapter *, u32, int); | |
| 151 | extern int zfcp_erp_adapter_reopen(struct zfcp_adapter *, int); | |
| 152 | extern int zfcp_erp_adapter_shutdown(struct zfcp_adapter *, int); | |
| 153 | extern void zfcp_erp_adapter_failed(struct zfcp_adapter *); | |
| 154 | ||
| 155 | extern void zfcp_erp_modify_port_status(struct zfcp_port *, u32, int); | |
| 156 | extern int zfcp_erp_port_reopen(struct zfcp_port *, int); | |
| 157 | extern int zfcp_erp_port_shutdown(struct zfcp_port *, int); | |
| 158 | extern int zfcp_erp_port_forced_reopen(struct zfcp_port *, int); | |
| 159 | extern void zfcp_erp_port_failed(struct zfcp_port *); | |
| 160 | extern int zfcp_erp_port_reopen_all(struct zfcp_adapter *, int); | |
| 161 | ||
| 162 | extern void zfcp_erp_modify_unit_status(struct zfcp_unit *, u32, int); | |
| 163 | extern int zfcp_erp_unit_reopen(struct zfcp_unit *, int); | |
| 164 | extern int zfcp_erp_unit_shutdown(struct zfcp_unit *, int); | |
| 165 | extern void zfcp_erp_unit_failed(struct zfcp_unit *); | |
| 166 | ||
| 167 | extern int zfcp_erp_thread_setup(struct zfcp_adapter *); | |
| 168 | extern int zfcp_erp_thread_kill(struct zfcp_adapter *); | |
| 169 | extern int zfcp_erp_wait(struct zfcp_adapter *); | |
| 170 | extern int zfcp_erp_async_handler(struct zfcp_erp_action *, unsigned long); | |
| 171 | ||
| 172 | extern int zfcp_test_link(struct zfcp_port *); | |
| 173 | ||
| 174 | extern void zfcp_erp_port_access_denied(struct zfcp_port *); | |
| 175 | extern void zfcp_erp_unit_access_denied(struct zfcp_unit *); | |
| 176 | extern void zfcp_erp_adapter_access_changed(struct zfcp_adapter *); | |
| 177 | extern void zfcp_erp_port_access_changed(struct zfcp_port *); | |
| 178 | extern void zfcp_erp_unit_access_changed(struct zfcp_unit *); | |
| 179 | ||
| 180 | /******************************** AUX ****************************************/ | |
| 181 | extern void zfcp_cmd_dbf_event_fsf(const char *, struct zfcp_fsf_req *, | |
| 182 | void *, int); | |
| 183 | extern void zfcp_cmd_dbf_event_scsi(const char *, struct scsi_cmnd *); | |
| 184 | extern void zfcp_in_els_dbf_event(struct zfcp_adapter *, const char *, | |
| 185 | struct fsf_status_read_buffer *, int); | |
| 186 | #endif /* ZFCP_EXT_H */ |