1/* 2 * This file is part of the zfcp device driver for 3 * FCP adapters for IBM System z9 and zSeries. 4 * 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. 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. 20 */ 21 22#ifndef ZFCP_EXT_H 23#define ZFCP_EXT_H 24 25#include "zfcp_def.h" 26 27extern struct zfcp_data zfcp_data; 28 29/******************************** SYSFS *************************************/ 30extern int zfcp_sysfs_driver_create_files(struct device_driver *); 31extern void zfcp_sysfs_driver_remove_files(struct device_driver *); 32extern int zfcp_sysfs_adapter_create_files(struct device *); 33extern void zfcp_sysfs_adapter_remove_files(struct device *); 34extern int zfcp_sysfs_port_create_files(struct device *, u32); 35extern void zfcp_sysfs_port_remove_files(struct device *, u32); 36extern int zfcp_sysfs_unit_create_files(struct device *); 37extern void zfcp_sysfs_unit_remove_files(struct device *); 38extern void zfcp_sysfs_port_release(struct device *); 39extern void zfcp_sysfs_unit_release(struct device *); 40 41/**************************** CONFIGURATION *********************************/ 42extern struct zfcp_unit *zfcp_get_unit_by_lun(struct zfcp_port *, fcp_lun_t); 43extern struct zfcp_port *zfcp_get_port_by_wwpn(struct zfcp_adapter *, wwn_t); 44extern struct zfcp_port *zfcp_get_port_by_did(struct zfcp_adapter *, u32); 45struct zfcp_adapter *zfcp_get_adapter_by_busid(char *); 46extern struct zfcp_adapter *zfcp_adapter_enqueue(struct ccw_device *); 47extern int zfcp_adapter_debug_register(struct zfcp_adapter *); 48extern void zfcp_adapter_dequeue(struct zfcp_adapter *); 49extern void zfcp_adapter_debug_unregister(struct zfcp_adapter *); 50extern struct zfcp_port *zfcp_port_enqueue(struct zfcp_adapter *, wwn_t, 51 u32, u32); 52extern void zfcp_port_dequeue(struct zfcp_port *); 53extern struct zfcp_unit *zfcp_unit_enqueue(struct zfcp_port *, fcp_lun_t); 54extern void zfcp_unit_dequeue(struct zfcp_unit *); 55 56/******************************* S/390 IO ************************************/ 57extern int zfcp_ccw_register(void); 58 59extern void zfcp_qdio_zero_sbals(struct qdio_buffer **, int, int); 60extern int zfcp_qdio_allocate(struct zfcp_adapter *); 61extern int zfcp_qdio_allocate_queues(struct zfcp_adapter *); 62extern void zfcp_qdio_free_queues(struct zfcp_adapter *); 63extern int zfcp_qdio_determine_pci(struct zfcp_qdio_queue *, 64 struct zfcp_fsf_req *); 65 66extern volatile struct qdio_buffer_element *zfcp_qdio_sbale_req 67 (struct zfcp_fsf_req *, int, int); 68extern volatile struct qdio_buffer_element *zfcp_qdio_sbale_curr 69 (struct zfcp_fsf_req *); 70extern int zfcp_qdio_sbals_from_sg 71 (struct zfcp_fsf_req *, unsigned long, struct scatterlist *, int, int); 72extern int zfcp_qdio_sbals_from_scsicmnd 73 (struct zfcp_fsf_req *, unsigned long, struct scsi_cmnd *); 74 75 76/******************************** FSF ****************************************/ 77extern int zfcp_fsf_open_port(struct zfcp_erp_action *); 78extern int zfcp_fsf_close_port(struct zfcp_erp_action *); 79extern int zfcp_fsf_close_physical_port(struct zfcp_erp_action *); 80 81extern int zfcp_fsf_open_unit(struct zfcp_erp_action *); 82extern int zfcp_fsf_close_unit(struct zfcp_erp_action *); 83 84extern int zfcp_fsf_exchange_config_data(struct zfcp_erp_action *); 85extern int zfcp_fsf_exchange_port_data(struct zfcp_erp_action *, 86 struct zfcp_adapter *, 87 struct fsf_qtcb_bottom_port *); 88extern int zfcp_fsf_control_file(struct zfcp_adapter *, struct zfcp_fsf_req **, 89 u32, u32, struct zfcp_sg_list *); 90extern void zfcp_fsf_start_timer(struct zfcp_fsf_req *, unsigned long); 91extern void zfcp_erp_start_timer(struct zfcp_fsf_req *); 92extern void zfcp_fsf_req_dismiss_all(struct zfcp_adapter *); 93extern int zfcp_fsf_status_read(struct zfcp_adapter *, int); 94extern int zfcp_fsf_req_create(struct zfcp_adapter *, u32, int, mempool_t *, 95 unsigned long *, struct zfcp_fsf_req **); 96extern int zfcp_fsf_send_ct(struct zfcp_send_ct *, mempool_t *, 97 struct zfcp_erp_action *); 98extern int zfcp_fsf_send_els(struct zfcp_send_els *); 99extern int zfcp_fsf_send_fcp_command_task(struct zfcp_adapter *, 100 struct zfcp_unit *, 101 struct scsi_cmnd *, int, int); 102extern int zfcp_fsf_req_complete(struct zfcp_fsf_req *); 103extern void zfcp_fsf_incoming_els(struct zfcp_fsf_req *); 104extern void zfcp_fsf_req_free(struct zfcp_fsf_req *); 105extern struct zfcp_fsf_req *zfcp_fsf_send_fcp_command_task_management( 106 struct zfcp_adapter *, struct zfcp_unit *, u8, int); 107extern struct zfcp_fsf_req *zfcp_fsf_abort_fcp_command( 108 unsigned long, struct zfcp_adapter *, struct zfcp_unit *, int); 109 110/******************************* FC/FCP **************************************/ 111extern int zfcp_nameserver_enqueue(struct zfcp_adapter *); 112extern int zfcp_ns_gid_pn_request(struct zfcp_erp_action *); 113extern int zfcp_check_ct_response(struct ct_hdr *); 114extern int zfcp_handle_els_rjt(u32, struct zfcp_ls_rjt_par *); 115extern void zfcp_plogi_evaluate(struct zfcp_port *, struct fsf_plogi *); 116 117/******************************* SCSI ****************************************/ 118extern int zfcp_adapter_scsi_register(struct zfcp_adapter *); 119extern void zfcp_adapter_scsi_unregister(struct zfcp_adapter *); 120extern void zfcp_set_fcp_dl(struct fcp_cmnd_iu *, fcp_dl_t); 121extern char *zfcp_get_fcp_rsp_info_ptr(struct fcp_rsp_iu *); 122extern void set_host_byte(int *, char); 123extern void set_driver_byte(int *, char); 124extern char *zfcp_get_fcp_sns_info_ptr(struct fcp_rsp_iu *); 125extern fcp_dl_t zfcp_get_fcp_dl(struct fcp_cmnd_iu *); 126 127extern int zfcp_scsi_command_async(struct zfcp_adapter *,struct zfcp_unit *, 128 struct scsi_cmnd *, int); 129extern int zfcp_scsi_command_sync(struct zfcp_unit *, struct scsi_cmnd *, int); 130extern struct fc_function_template zfcp_transport_functions; 131 132/******************************** ERP ****************************************/ 133extern void zfcp_erp_modify_adapter_status(struct zfcp_adapter *, u32, int); 134extern int zfcp_erp_adapter_reopen(struct zfcp_adapter *, int); 135extern int zfcp_erp_adapter_shutdown(struct zfcp_adapter *, int); 136extern void zfcp_erp_adapter_failed(struct zfcp_adapter *); 137 138extern void zfcp_erp_modify_port_status(struct zfcp_port *, u32, int); 139extern int zfcp_erp_port_reopen(struct zfcp_port *, int); 140extern int zfcp_erp_port_shutdown(struct zfcp_port *, int); 141extern int zfcp_erp_port_forced_reopen(struct zfcp_port *, int); 142extern void zfcp_erp_port_failed(struct zfcp_port *); 143extern int zfcp_erp_port_reopen_all(struct zfcp_adapter *, int); 144 145extern void zfcp_erp_modify_unit_status(struct zfcp_unit *, u32, int); 146extern int zfcp_erp_unit_reopen(struct zfcp_unit *, int); 147extern int zfcp_erp_unit_shutdown(struct zfcp_unit *, int); 148extern void zfcp_erp_unit_failed(struct zfcp_unit *); 149 150extern int zfcp_erp_thread_setup(struct zfcp_adapter *); 151extern int zfcp_erp_thread_kill(struct zfcp_adapter *); 152extern int zfcp_erp_wait(struct zfcp_adapter *); 153extern void zfcp_erp_async_handler(struct zfcp_erp_action *, unsigned long); 154 155extern int zfcp_test_link(struct zfcp_port *); 156 157extern void zfcp_erp_port_boxed(struct zfcp_port *); 158extern void zfcp_erp_unit_boxed(struct zfcp_unit *); 159extern void zfcp_erp_port_access_denied(struct zfcp_port *); 160extern void zfcp_erp_unit_access_denied(struct zfcp_unit *); 161extern void zfcp_erp_adapter_access_changed(struct zfcp_adapter *); 162extern void zfcp_erp_port_access_changed(struct zfcp_port *); 163extern void zfcp_erp_unit_access_changed(struct zfcp_unit *); 164 165/******************************** AUX ****************************************/ 166extern void zfcp_hba_dbf_event_fsf_response(struct zfcp_fsf_req *); 167extern void zfcp_hba_dbf_event_fsf_unsol(const char *, struct zfcp_adapter *, 168 struct fsf_status_read_buffer *); 169extern void zfcp_hba_dbf_event_qdio(struct zfcp_adapter *, 170 unsigned int, unsigned int, unsigned int, 171 int, int); 172 173extern void zfcp_san_dbf_event_ct_request(struct zfcp_fsf_req *); 174extern void zfcp_san_dbf_event_ct_response(struct zfcp_fsf_req *); 175extern void zfcp_san_dbf_event_els_request(struct zfcp_fsf_req *); 176extern void zfcp_san_dbf_event_els_response(struct zfcp_fsf_req *); 177extern void zfcp_san_dbf_event_incoming_els(struct zfcp_fsf_req *); 178 179extern void zfcp_scsi_dbf_event_result(const char *, int, struct zfcp_adapter *, 180 struct scsi_cmnd *, 181 struct zfcp_fsf_req *); 182extern void zfcp_scsi_dbf_event_abort(const char *, struct zfcp_adapter *, 183 struct scsi_cmnd *, struct zfcp_fsf_req *, 184 unsigned long); 185extern void zfcp_scsi_dbf_event_devreset(const char *, u8, struct zfcp_unit *, 186 struct scsi_cmnd *); 187extern int zfcp_reqlist_isempty(struct zfcp_adapter *); 188 189#endif /* ZFCP_EXT_H */ 190