diff options
Diffstat (limited to 'drivers/s390/scsi/zfcp_ext.h')
| -rw-r--r-- | drivers/s390/scsi/zfcp_ext.h | 317 |
1 files changed, 143 insertions, 174 deletions
diff --git a/drivers/s390/scsi/zfcp_ext.h b/drivers/s390/scsi/zfcp_ext.h index 06b1079b7f3..a9c570a09b8 100644 --- a/drivers/s390/scsi/zfcp_ext.h +++ b/drivers/s390/scsi/zfcp_ext.h @@ -1,190 +1,159 @@ /* - * This file is part of the zfcp device driver for - * FCP adapters for IBM System z9 and zSeries. + * zfcp device driver * - * (C) Copyright IBM Corp. 2002, 2006 + * External function declarations. * - * 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. + * Copyright IBM Corp. 2002, 2010 */ #ifndef ZFCP_EXT_H #define ZFCP_EXT_H +#include <linux/types.h> +#include <scsi/fc/fc_els.h> #include "zfcp_def.h" +#include "zfcp_fc.h" -extern struct zfcp_data zfcp_data; - -/******************************** SYSFS *************************************/ -extern struct attribute_group *zfcp_driver_attr_groups[]; -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); -extern struct zfcp_port *zfcp_get_port_by_wwpn(struct zfcp_adapter *, wwn_t); -extern struct zfcp_port *zfcp_get_port_by_did(struct zfcp_adapter *, u32); -struct zfcp_adapter *zfcp_get_adapter_by_busid(char *); +/* zfcp_aux.c */ +extern struct zfcp_port *zfcp_get_port_by_wwpn(struct zfcp_adapter *, u64); 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, 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_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 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_exchange_config_data_sync(struct zfcp_adapter *, - struct fsf_qtcb_bottom_config *); -extern int zfcp_fsf_exchange_port_data(struct zfcp_erp_action *); -extern int zfcp_fsf_exchange_port_data_sync(struct zfcp_adapter *, - struct fsf_qtcb_bottom_port *); -extern int zfcp_fsf_control_file(struct zfcp_adapter *, struct zfcp_fsf_req **, - u32, u32, struct zfcp_sg_list *); -extern void zfcp_fsf_start_timer(struct zfcp_fsf_req *, unsigned long); -extern void zfcp_erp_start_timer(struct zfcp_fsf_req *); +extern struct zfcp_port *zfcp_port_enqueue(struct zfcp_adapter *, u64, u32, + u32); +extern void zfcp_sg_free_table(struct scatterlist *, int); +extern int zfcp_sg_setup_table(struct scatterlist *, int); +extern void zfcp_adapter_release(struct kref *); +extern void zfcp_adapter_unregister(struct zfcp_adapter *); + +/* zfcp_ccw.c */ +extern struct ccw_driver zfcp_ccw_driver; +extern struct zfcp_adapter *zfcp_ccw_adapter_by_cdev(struct ccw_device *); +extern void zfcp_ccw_adapter_put(struct zfcp_adapter *); + +/* zfcp_dbf.c */ +extern int zfcp_dbf_adapter_register(struct zfcp_adapter *); +extern void zfcp_dbf_adapter_unregister(struct zfcp_adapter *); +extern void zfcp_dbf_rec_trig(char *, struct zfcp_adapter *, + struct zfcp_port *, struct scsi_device *, u8, u8); +extern void zfcp_dbf_rec_run(char *, struct zfcp_erp_action *); +extern void zfcp_dbf_hba_fsf_uss(char *, struct zfcp_fsf_req *); +extern void zfcp_dbf_hba_fsf_res(char *, struct zfcp_fsf_req *); +extern void zfcp_dbf_hba_bit_err(char *, struct zfcp_fsf_req *); +extern void zfcp_dbf_hba_berr(struct zfcp_dbf *, struct zfcp_fsf_req *); +extern void zfcp_dbf_hba_def_err(struct zfcp_adapter *, u64, u16, void **); +extern void zfcp_dbf_hba_basic(char *, struct zfcp_adapter *); +extern void zfcp_dbf_san_req(char *, struct zfcp_fsf_req *, u32); +extern void zfcp_dbf_san_res(char *, struct zfcp_fsf_req *); +extern void zfcp_dbf_san_in_els(char *, struct zfcp_fsf_req *); +extern void zfcp_dbf_scsi(char *, struct scsi_cmnd *, struct zfcp_fsf_req *); + +/* zfcp_erp.c */ +extern void zfcp_erp_set_adapter_status(struct zfcp_adapter *, u32); +extern void zfcp_erp_clear_adapter_status(struct zfcp_adapter *, u32); +extern void zfcp_erp_adapter_reopen(struct zfcp_adapter *, int, char *); +extern void zfcp_erp_adapter_shutdown(struct zfcp_adapter *, int, char *); +extern void zfcp_erp_set_port_status(struct zfcp_port *, u32); +extern void zfcp_erp_clear_port_status(struct zfcp_port *, u32); +extern int zfcp_erp_port_reopen(struct zfcp_port *, int, char *); +extern void zfcp_erp_port_shutdown(struct zfcp_port *, int, char *); +extern void zfcp_erp_port_forced_reopen(struct zfcp_port *, int, char *); +extern void zfcp_erp_set_lun_status(struct scsi_device *, u32); +extern void zfcp_erp_clear_lun_status(struct scsi_device *, u32); +extern void zfcp_erp_lun_reopen(struct scsi_device *, int, char *); +extern void zfcp_erp_lun_shutdown(struct scsi_device *, int, char *); +extern void zfcp_erp_lun_shutdown_wait(struct scsi_device *, char *); +extern int zfcp_erp_thread_setup(struct zfcp_adapter *); +extern void zfcp_erp_thread_kill(struct zfcp_adapter *); +extern void zfcp_erp_wait(struct zfcp_adapter *); +extern void zfcp_erp_notify(struct zfcp_erp_action *, unsigned long); +extern void zfcp_erp_timeout_handler(unsigned long); + +/* zfcp_fc.c */ +extern struct kmem_cache *zfcp_fc_req_cache; +extern void zfcp_fc_enqueue_event(struct zfcp_adapter *, + enum fc_host_event_code event_code, u32); +extern void zfcp_fc_post_event(struct work_struct *); +extern void zfcp_fc_scan_ports(struct work_struct *); +extern void zfcp_fc_incoming_els(struct zfcp_fsf_req *); +extern void zfcp_fc_port_did_lookup(struct work_struct *); +extern void zfcp_fc_trigger_did_lookup(struct zfcp_port *); +extern void zfcp_fc_plogi_evaluate(struct zfcp_port *, struct fc_els_flogi *); +extern void zfcp_fc_test_link(struct zfcp_port *); +extern void zfcp_fc_link_test_work(struct work_struct *); +extern void zfcp_fc_wka_ports_force_offline(struct zfcp_fc_wka_ports *); +extern int zfcp_fc_gs_setup(struct zfcp_adapter *); +extern void zfcp_fc_gs_destroy(struct zfcp_adapter *); +extern int zfcp_fc_exec_bsg_job(struct fc_bsg_job *); +extern int zfcp_fc_timeout_bsg_job(struct fc_bsg_job *); +extern void zfcp_fc_sym_name_update(struct work_struct *); +extern void zfcp_fc_conditional_port_scan(struct zfcp_adapter *); +extern void zfcp_fc_inverse_conditional_port_scan(struct zfcp_adapter *); + +/* zfcp_fsf.c */ +extern struct kmem_cache *zfcp_fsf_qtcb_cache; +extern int zfcp_fsf_open_port(struct zfcp_erp_action *); +extern int zfcp_fsf_open_wka_port(struct zfcp_fc_wka_port *); +extern int zfcp_fsf_close_wka_port(struct zfcp_fc_wka_port *); +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_lun(struct zfcp_erp_action *); +extern int zfcp_fsf_close_lun(struct zfcp_erp_action *); +extern int zfcp_fsf_exchange_config_data(struct zfcp_erp_action *); +extern int zfcp_fsf_exchange_config_data_sync(struct zfcp_qdio *, + struct fsf_qtcb_bottom_config *); +extern int zfcp_fsf_exchange_port_data(struct zfcp_erp_action *); +extern int zfcp_fsf_exchange_port_data_sync(struct zfcp_qdio *, + struct fsf_qtcb_bottom_port *); extern void 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_send_fcp_command_task(struct zfcp_adapter *, - struct zfcp_unit *, - struct scsi_cmnd *, int, int); -extern int zfcp_fsf_req_complete(struct zfcp_fsf_req *); -extern void zfcp_fsf_incoming_els(struct zfcp_fsf_req *); +extern int zfcp_fsf_status_read(struct zfcp_qdio *); +extern int zfcp_status_read_refill(struct zfcp_adapter *adapter); +extern int zfcp_fsf_send_ct(struct zfcp_fc_wka_port *, struct zfcp_fsf_ct_els *, + mempool_t *, unsigned int); +extern int zfcp_fsf_send_els(struct zfcp_adapter *, u32, + struct zfcp_fsf_ct_els *, unsigned int); +extern int zfcp_fsf_fcp_cmnd(struct scsi_cmnd *); extern void zfcp_fsf_req_free(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); - -/******************************* FC/FCP **************************************/ -extern int zfcp_nameserver_enqueue(struct zfcp_adapter *); -extern int zfcp_ns_gid_pn_request(struct zfcp_erp_action *); -extern int zfcp_check_ct_response(struct ct_hdr *); -extern int zfcp_handle_els_rjt(u32, struct zfcp_ls_rjt_par *); -extern void zfcp_plogi_evaluate(struct zfcp_port *, struct fsf_plogi *); - -/******************************* 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(int *, char); -extern void set_driver_byte(int *, char); -extern char *zfcp_get_fcp_sns_info_ptr(struct fcp_rsp_iu *); -extern fcp_dl_t zfcp_get_fcp_dl(struct fcp_cmnd_iu *); - -extern int zfcp_scsi_command_async(struct zfcp_adapter *,struct zfcp_unit *, - struct scsi_cmnd *, int); -extern int zfcp_scsi_command_sync(struct zfcp_unit *, struct scsi_cmnd *, int); +extern struct zfcp_fsf_req *zfcp_fsf_fcp_task_mgmt(struct scsi_cmnd *, u8); +extern struct zfcp_fsf_req *zfcp_fsf_abort_fcp_cmnd(struct scsi_cmnd *); +extern void zfcp_fsf_reqid_check(struct zfcp_qdio *, int); + +/* zfcp_qdio.c */ +extern int zfcp_qdio_setup(struct zfcp_adapter *); +extern void zfcp_qdio_destroy(struct zfcp_qdio *); +extern int zfcp_qdio_sbal_get(struct zfcp_qdio *); +extern int zfcp_qdio_send(struct zfcp_qdio *, struct zfcp_qdio_req *); +extern int zfcp_qdio_sbals_from_sg(struct zfcp_qdio *, struct zfcp_qdio_req *, + struct scatterlist *); +extern int zfcp_qdio_open(struct zfcp_qdio *); +extern void zfcp_qdio_close(struct zfcp_qdio *); +extern void zfcp_qdio_siosl(struct zfcp_adapter *); + +/* zfcp_scsi.c */ +extern struct scsi_transport_template *zfcp_scsi_transport_template; +extern int zfcp_scsi_adapter_register(struct zfcp_adapter *); +extern void zfcp_scsi_adapter_unregister(struct zfcp_adapter *); extern struct fc_function_template zfcp_transport_functions; - -/******************************** 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 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 void zfcp_erp_async_handler(struct zfcp_erp_action *, unsigned long); - -extern int zfcp_test_link(struct zfcp_port *); - -extern void zfcp_erp_port_boxed(struct zfcp_port *); -extern void zfcp_erp_unit_boxed(struct zfcp_unit *); -extern void zfcp_erp_port_access_denied(struct zfcp_port *); -extern void zfcp_erp_unit_access_denied(struct zfcp_unit *); -extern void zfcp_erp_adapter_access_changed(struct zfcp_adapter *); -extern void zfcp_erp_port_access_changed(struct zfcp_port *); -extern void zfcp_erp_unit_access_changed(struct zfcp_unit *); - -/******************************** AUX ****************************************/ -extern void zfcp_hba_dbf_event_fsf_response(struct zfcp_fsf_req *); -extern void zfcp_hba_dbf_event_fsf_unsol(const char *, struct zfcp_adapter *, - struct fsf_status_read_buffer *); -extern void zfcp_hba_dbf_event_qdio(struct zfcp_adapter *, - unsigned int, unsigned int, unsigned int, - int, int); - -extern void zfcp_san_dbf_event_ct_request(struct zfcp_fsf_req *); -extern void zfcp_san_dbf_event_ct_response(struct zfcp_fsf_req *); -extern void zfcp_san_dbf_event_els_request(struct zfcp_fsf_req *); -extern void zfcp_san_dbf_event_els_response(struct zfcp_fsf_req *); -extern void zfcp_san_dbf_event_incoming_els(struct zfcp_fsf_req *); - -extern void zfcp_scsi_dbf_event_result(const char *, int, struct zfcp_adapter *, - struct scsi_cmnd *, - struct zfcp_fsf_req *); -extern void zfcp_scsi_dbf_event_abort(const char *, struct zfcp_adapter *, - struct scsi_cmnd *, struct zfcp_fsf_req *, - unsigned long); -extern void zfcp_scsi_dbf_event_devreset(const char *, u8, struct zfcp_unit *, - struct scsi_cmnd *); -extern int zfcp_reqlist_isempty(struct zfcp_adapter *); +extern void zfcp_scsi_rport_work(struct work_struct *); +extern void zfcp_scsi_schedule_rport_register(struct zfcp_port *); +extern void zfcp_scsi_schedule_rport_block(struct zfcp_port *); +extern void zfcp_scsi_schedule_rports_block(struct zfcp_adapter *); +extern void zfcp_scsi_set_prot(struct zfcp_adapter *); +extern void zfcp_scsi_dif_sense_error(struct scsi_cmnd *, int); + +/* zfcp_sysfs.c */ +extern const struct attribute_group *zfcp_unit_attr_groups[]; +extern struct attribute_group zfcp_sysfs_adapter_attrs; +extern const struct attribute_group *zfcp_port_attr_groups[]; +extern struct mutex zfcp_sysfs_port_units_mutex; +extern struct device_attribute *zfcp_sysfs_sdev_attrs[]; +extern struct device_attribute *zfcp_sysfs_shost_attrs[]; + +/* zfcp_unit.c */ +extern int zfcp_unit_add(struct zfcp_port *, u64); +extern int zfcp_unit_remove(struct zfcp_port *, u64); +extern struct zfcp_unit *zfcp_unit_find(struct zfcp_port *, u64); +extern struct scsi_device *zfcp_unit_sdev(struct zfcp_unit *unit); +extern void zfcp_unit_scsi_scan(struct zfcp_unit *); +extern void zfcp_unit_queue_scsi_scan(struct zfcp_port *); +extern unsigned int zfcp_unit_sdev_status(struct zfcp_unit *); #endif /* ZFCP_EXT_H */ |