/* * * linux/drivers/s390/scsi/zfcp_ext.h * * FCP adapter driver for IBM eServer zSeries * * (C) Copyright IBM Corp. 2002, 2004 * * Author(s): Martin Peschke * Raimund Schroeder * Aron Zeh * Wolfgang Taphorn * Stefan Bader * Heiko Carstens * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2, or (at your option) * any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #ifndef ZFCP_EXT_H #define ZFCP_EXT_H /* this drivers version (do not edit !!! generated and updated by cvs) */ #define ZFCP_EXT_REVISION "$Revision: 1.49 $" #include "zfcp_def.h" extern struct zfcp_data zfcp_data; /******************************** SYSFS *************************************/ extern int zfcp_sysfs_driver_create_files(struct device_driver *); extern void zfcp_sysfs_driver_remove_files(struct device_driver *); extern int zfcp_sysfs_adapter_create_files(struct device *); extern void zfcp_sysfs_adapter_remove_files(struct device *); extern int zfcp_sysfs_port_create_files(struct device *, u32); extern void zfcp_sysfs_port_remove_files(struct device *, u32); extern int zfcp_sysfs_unit_create_files(struct device *); extern void zfcp_sysfs_unit_remove_files(struct device *); extern void zfcp_sysfs_port_release(struct device *); extern void zfcp_sysfs_unit_release(struct device *); /**************************** CONFIGURATION *********************************/ extern struct zfcp_unit *zfcp_get_unit_by_lun(struct zfcp_port *, fcp_lun_t fcp_lun); extern struct zfcp_port *zfcp_get_port_by_wwpn(struct zfcp_adapter *, wwn_t wwpn); extern struct zfcp_adapter *zfcp_adapter_enqueue(struct ccw_device *); extern int zfcp_adapter_debug_register(struct zfcp_adapter *); extern void zfcp_adapter_dequeue(struct zfcp_adapter *); extern void zfcp_adapter_debug_unregister(struct zfcp_adapter *); extern struct zfcp_port *zfcp_port_enqueue(struct zfcp_adapter *, wwn_t, u32); extern void zfcp_port_dequeue(struct zfcp_port *); extern struct zfcp_unit *zfcp_unit_enqueue(struct zfcp_port *, fcp_lun_t); extern void zfcp_unit_dequeue(struct zfcp_unit *); /******************************* S/390 IO ************************************/ extern int zfcp_ccw_register(void); extern void zfcp_ccw_unregister(void); extern void zfcp_qdio_zero_sbals(struct qdio_buffer **, int, int); extern int zfcp_qdio_allocate(struct zfcp_adapter *); extern int zfcp_qdio_allocate_queues(struct zfcp_adapter *); extern void zfcp_qdio_free_queues(struct zfcp_adapter *); extern int zfcp_qdio_determine_pci(struct zfcp_qdio_queue *, struct zfcp_fsf_req *); extern int zfcp_qdio_reqid_check(struct zfcp_adapter *, void *); extern volatile struct qdio_buffer_element *zfcp_qdio_sbale_req (struct zfcp_fsf_req *, int, int); extern volatile struct qdio_buffer_element *zfcp_qdio_sbale_curr (struct zfcp_fsf_req *); extern int zfcp_qdio_sbals_from_sg (struct zfcp_fsf_req *, unsigned long, struct scatterlist *, int, int); extern int zfcp_qdio_sbals_from_scsicmnd (struct zfcp_fsf_req *, unsigned long, struct scsi_cmnd *); /******************************** FSF ****************************************/ extern int zfcp_fsf_open_port(struct zfcp_erp_action *); extern int zfcp_fsf_close_port(struct zfcp_erp_action *); extern int zfcp_fsf_close_physical_port(struct zfcp_erp_action *); extern int zfcp_fsf_open_unit(struct zfcp_erp_action *); extern int zfcp_fsf_close_unit(struct zfcp_erp_action *); extern int zfcp_fsf_exchange_config_data(struct zfcp_erp_action *); extern int zfcp_fsf_control_file(struct zfcp_adapter *, struct zfcp_fsf_req **, u32, u32, struct zfcp_sg_list *); extern void zfcp_fsf_scsi_er_timeout_handler(unsigned long); extern int zfcp_fsf_req_dismiss_all(struct zfcp_adapter *); extern int zfcp_fsf_status_read(struct zfcp_adapter *, int); extern int zfcp_fsf_req_create(struct zfcp_adapter *, u32, int, mempool_t *, unsigned long *, struct zfcp_fsf_req **); extern int zfcp_fsf_send_ct(struct zfcp_send_ct *, mempool_t *, struct zfcp_erp_action *); extern int zfcp_fsf_send_els(struct zfcp_send_els *); extern int zfcp_fsf_req_wait_and_cleanup(struct zfcp_fsf_req *, int, u32 *); extern int zfcp_fsf_send_fcp_command_task(struct zfcp_adapter *, struct zfcp_unit *, struct scsi_cmnd *, int); extern int zfcp_fsf_req_complete(struct zfcp_fsf_req *); extern void zfcp_fsf_incoming_els(struct zfcp_fsf_req *); extern void zfcp_fsf_req_cleanup(struct zfcp_fsf_req *); extern struct zfcp_fsf_req *zfcp_fsf_send_fcp_command_task_management( struct zfcp_adapter *, struct zfcp_unit *, u8, int); extern struct zfcp_fsf_req *zfcp_fsf_abort_fcp_command( unsigned long, struct zfcp_adapter *, struct zfcp_unit *, int); /******************************** FCP ****************************************/ extern int zfcp_nameserver_enqueue(struct zfcp_adapter *); extern int zfcp_ns_gid_pn_request(struct zfcp_erp_action *); /******************************* SCSI ****************************************/ extern int zfcp_adapter_scsi_register(struct zfcp_adapter *); extern void zfcp_adapter_scsi_unregister(struct zfcp_adapter *); extern void zfcp_set_fcp_dl(struct fcp_cmnd_iu *, fcp_dl_t); extern char *zfcp_get_fcp_rsp_info_ptr(struct fcp_rsp_iu *); extern void set_host_byte(u32 *, char); extern void set_driver_byte(u32 *, char); extern char *zfcp_get_fcp_sns_info_ptr(struct fcp_rsp_iu *); extern void zfcp_fsf_start_scsi_er_timer(struct zfcp_adapter *); extern fcp_dl_t zfcp_get_fcp_dl(struct fcp_cmnd_iu *); extern int zfcp_scsi_command_async(struct zfcp_adapter *,struct zfcp_unit *unit, struct scsi_cmnd *scsi_cmnd); extern int zfcp_scsi_command_sync(struct zfcp_unit *unit, struct scsi_cmnd *scsi_cmnd); /******************************** ERP ****************************************/ extern void zfcp_erp_modify_adapter_status(struct zfcp_adapter *, u32, int); extern int zfcp_erp_adapter_reopen(struct zfcp_adapter *, int); extern int zfcp_erp_adapter_shutdown(struct zfcp_adapter *, int); extern int zfcp_erp_adapter_shutdown_all(void); extern void zfcp_erp_adapter_failed(struct zfcp_adapter *); extern void zfcp_erp_modify_port_status(struct zfcp_port *, u32, int); extern int zfcp_erp_port_reopen(struct zfcp_port *, int); extern int zfcp_erp_port_shutdown(struct zfcp_port *, int); extern int zfcp_erp_port_forced_reopen(struct zfcp_port *, int); extern void zfcp_erp_port_failed(struct zfcp_port *); extern int zfcp_erp_port_reopen_all(struct zfcp_adapter *, int); extern void zfcp_erp_modify_unit_status(struct zfcp_unit *, u32, int); extern int zfcp_erp_unit_reopen(struct zfcp_unit *, int); extern int zfcp_erp_unit_shutdown(struct zfcp_unit *, int); extern void zfcp_erp_unit_failed(struct zfcp_unit *); extern int zfcp_erp_thread_setup(struct zfcp_adapter *); extern int zfcp_erp_thread_kill(struct zfcp_adapter *); extern int zfcp_erp_wait(struct zfcp_adapter *); extern int zfcp_erp_async_handler(struct zfcp_erp_action *, unsigned long); extern int zfcp_test_link(struct zfcp_port *); /******************************** AUX ****************************************/ extern void zfcp_cmd_dbf_event_fsf(const char *, struct zfcp_fsf_req *, void *, int); extern void zfcp_cmd_dbf_event_scsi(const char *, struct scsi_cmnd *); extern void zfcp_in_els_dbf_event(struct zfcp_adapter *, const char *, struct fsf_status_read_buffer *, int); #ifdef ZFCP_STAT_REQSIZES extern int zfcp_statistics_inc(struct list_head *, u32); #endif #endif /* ZFCP_EXT_H */