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f76af7d7e3
Cleanup code in zfcp_scsi.c, fix coding style issues and simplify the code. Signed-off-by: Martin Petermann <martin@linux.vnet.ibm.com> Signed-off-by: Christof Schmitt <christof.schmitt@de.ibm.com> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
182 lines
9.0 KiB
C
182 lines
9.0 KiB
C
/*
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* zfcp device driver
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*
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* External function declarations.
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*
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* Copyright IBM Corporation 2002, 2008
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*/
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#ifndef ZFCP_EXT_H
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#define ZFCP_EXT_H
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#include "zfcp_def.h"
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extern struct zfcp_data zfcp_data;
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/******************************** SYSFS *************************************/
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extern int zfcp_sysfs_adapter_create_files(struct device *);
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extern void zfcp_sysfs_adapter_remove_files(struct device *);
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extern int zfcp_sysfs_port_create_files(struct device *, u32);
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extern void zfcp_sysfs_port_remove_files(struct device *, u32);
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extern int zfcp_sysfs_unit_create_files(struct device *);
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extern void zfcp_sysfs_unit_remove_files(struct device *);
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extern void zfcp_sysfs_port_release(struct device *);
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extern void zfcp_sysfs_unit_release(struct device *);
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/**************************** CONFIGURATION *********************************/
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extern struct zfcp_unit *zfcp_get_unit_by_lun(struct zfcp_port *, fcp_lun_t);
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extern struct zfcp_port *zfcp_get_port_by_wwpn(struct zfcp_adapter *, wwn_t);
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extern struct zfcp_port *zfcp_get_port_by_did(struct zfcp_adapter *, u32);
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struct zfcp_adapter *zfcp_get_adapter_by_busid(char *);
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extern struct zfcp_adapter *zfcp_adapter_enqueue(struct ccw_device *);
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extern int zfcp_adapter_debug_register(struct zfcp_adapter *);
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extern void zfcp_adapter_dequeue(struct zfcp_adapter *);
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extern void zfcp_adapter_debug_unregister(struct zfcp_adapter *);
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extern struct zfcp_port *zfcp_port_enqueue(struct zfcp_adapter *, wwn_t,
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u32, u32);
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extern void zfcp_port_dequeue(struct zfcp_port *);
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extern struct zfcp_unit *zfcp_unit_enqueue(struct zfcp_port *, fcp_lun_t);
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extern void zfcp_unit_dequeue(struct zfcp_unit *);
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extern int zfcp_scan_ports(struct zfcp_adapter *);
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extern void _zfcp_scan_ports_later(struct work_struct *work);
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/******************************* S/390 IO ************************************/
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extern int zfcp_ccw_register(void);
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extern int zfcp_qdio_allocate(struct zfcp_adapter *);
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extern void zfcp_qdio_free(struct zfcp_adapter *);
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extern int zfcp_qdio_send(struct zfcp_fsf_req *fsf_req);
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extern volatile struct qdio_buffer_element *zfcp_qdio_sbale_req
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(struct zfcp_fsf_req *);
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extern volatile struct qdio_buffer_element *zfcp_qdio_sbale_curr
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(struct zfcp_fsf_req *);
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extern int zfcp_qdio_sbals_from_sg
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(struct zfcp_fsf_req *, unsigned long, struct scatterlist *, int);
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extern int zfcp_qdio_open(struct zfcp_adapter *adapter);
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extern void zfcp_qdio_close(struct zfcp_adapter *adapter);
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/******************************** FSF ****************************************/
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extern int zfcp_fsf_open_port(struct zfcp_erp_action *);
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extern int zfcp_fsf_close_port(struct zfcp_erp_action *);
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extern int zfcp_fsf_close_physical_port(struct zfcp_erp_action *);
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extern int zfcp_fsf_open_unit(struct zfcp_erp_action *);
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extern int zfcp_fsf_close_unit(struct zfcp_erp_action *);
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extern int zfcp_fsf_exchange_config_data(struct zfcp_erp_action *);
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extern int zfcp_fsf_exchange_config_data_sync(struct zfcp_adapter *,
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struct fsf_qtcb_bottom_config *);
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extern int zfcp_fsf_exchange_port_data(struct zfcp_erp_action *);
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extern int zfcp_fsf_exchange_port_data_sync(struct zfcp_adapter *,
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struct fsf_qtcb_bottom_port *);
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extern struct zfcp_fsf_req *zfcp_fsf_control_file(struct zfcp_adapter *adapter,
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struct zfcp_fsf_cfdc *fsf_cfdc);
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extern void zfcp_fsf_start_timer(struct zfcp_fsf_req *, unsigned long);
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extern void zfcp_erp_start_timer(struct zfcp_fsf_req *);
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extern void zfcp_fsf_req_dismiss_all(struct zfcp_adapter *);
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extern int zfcp_fsf_status_read(struct zfcp_adapter *, int);
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extern int zfcp_status_read_refill(struct zfcp_adapter *adapter);
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extern int zfcp_fsf_req_create(struct zfcp_adapter *, u32, int, mempool_t *,
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unsigned long *, struct zfcp_fsf_req **)
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__acquires(adapter->req_q.lock);
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extern int zfcp_fsf_send_ct(struct zfcp_send_ct *, mempool_t *,
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struct zfcp_erp_action *);
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extern int zfcp_fsf_send_els(struct zfcp_send_els *);
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extern int zfcp_fsf_send_fcp_command_task(struct zfcp_adapter *,
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struct zfcp_unit *,
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struct scsi_cmnd *, int, int);
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extern int zfcp_fsf_req_complete(struct zfcp_fsf_req *);
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extern void zfcp_fsf_req_free(struct zfcp_fsf_req *);
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extern struct zfcp_fsf_req *zfcp_fsf_send_fcp_command_task_management(
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struct zfcp_adapter *, struct zfcp_unit *, u8, int);
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extern struct zfcp_fsf_req *zfcp_fsf_abort_fcp_command(
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unsigned long, struct zfcp_adapter *, struct zfcp_unit *, int);
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/******************************* FC/FCP **************************************/
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extern void zfcp_fc_incoming_els(struct zfcp_fsf_req *);
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extern int zfcp_fc_ns_gid_pn_request(struct zfcp_erp_action *);
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extern void zfcp_fc_plogi_evaluate(struct zfcp_port *, struct fsf_plogi *);
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extern void zfcp_test_link(struct zfcp_port *);
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/******************************* SCSI ****************************************/
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extern int zfcp_adapter_scsi_register(struct zfcp_adapter *);
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extern void zfcp_adapter_scsi_unregister(struct zfcp_adapter *);
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extern void zfcp_set_fcp_dl(struct fcp_cmnd_iu *, fcp_dl_t);
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extern char *zfcp_get_fcp_sns_info_ptr(struct fcp_rsp_iu *);
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extern struct fc_function_template zfcp_transport_functions;
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/******************************** ERP ****************************************/
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extern void zfcp_erp_modify_adapter_status(struct zfcp_adapter *, u8, void *,
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u32, int);
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extern int zfcp_erp_adapter_reopen(struct zfcp_adapter *, int, u8, void *);
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extern int zfcp_erp_adapter_shutdown(struct zfcp_adapter *, int, u8, void *);
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extern void zfcp_erp_adapter_failed(struct zfcp_adapter *, u8, void *);
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extern void zfcp_erp_modify_port_status(struct zfcp_port *, u8, void *, u32,
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int);
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extern int zfcp_erp_port_reopen(struct zfcp_port *, int, u8, void *);
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extern int zfcp_erp_port_shutdown(struct zfcp_port *, int, u8, void *);
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extern int zfcp_erp_port_forced_reopen(struct zfcp_port *, int, u8, void *);
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extern void zfcp_erp_port_failed(struct zfcp_port *, u8, void *);
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extern int zfcp_erp_port_reopen_all(struct zfcp_adapter *, int, u8, void *);
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extern void zfcp_erp_modify_unit_status(struct zfcp_unit *, u8, void *, u32,
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int);
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extern int zfcp_erp_unit_reopen(struct zfcp_unit *, int, u8, void *);
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extern int zfcp_erp_unit_shutdown(struct zfcp_unit *, int, u8, void *);
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extern void zfcp_erp_unit_failed(struct zfcp_unit *, u8, void *);
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extern int zfcp_erp_thread_setup(struct zfcp_adapter *);
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extern int zfcp_erp_thread_kill(struct zfcp_adapter *);
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extern int zfcp_erp_wait(struct zfcp_adapter *);
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extern void zfcp_erp_async_handler(struct zfcp_erp_action *, unsigned long);
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extern void zfcp_erp_port_boxed(struct zfcp_port *, u8 id, void *ref);
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extern void zfcp_erp_unit_boxed(struct zfcp_unit *, u8 id, void *ref);
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extern void zfcp_erp_port_access_denied(struct zfcp_port *, u8 id, void *ref);
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extern void zfcp_erp_unit_access_denied(struct zfcp_unit *, u8 id, void *ref);
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extern void zfcp_erp_adapter_access_changed(struct zfcp_adapter *, u8, void *);
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extern void zfcp_erp_port_access_changed(struct zfcp_port *, u8, void *);
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extern void zfcp_erp_unit_access_changed(struct zfcp_unit *, u8, void *);
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/******************************** AUX ****************************************/
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extern void zfcp_sg_free_table(struct scatterlist *sg, int count);
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extern int zfcp_sg_setup_table(struct scatterlist *sg, int count);
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extern void zfcp_rec_dbf_event_thread(u8 id, struct zfcp_adapter *adapter);
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extern void zfcp_rec_dbf_event_thread_lock(u8 id, struct zfcp_adapter *adapter);
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extern void zfcp_rec_dbf_event_adapter(u8 id, void *ref, struct zfcp_adapter *);
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extern void zfcp_rec_dbf_event_port(u8 id, void *ref, struct zfcp_port *port);
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extern void zfcp_rec_dbf_event_unit(u8 id, void *ref, struct zfcp_unit *unit);
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extern void zfcp_rec_dbf_event_trigger(u8 id, void *ref, u8 want, u8 need,
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void *action, struct zfcp_adapter *,
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struct zfcp_port *, struct zfcp_unit *);
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extern void zfcp_rec_dbf_event_action(u8 id, struct zfcp_erp_action *);
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extern void zfcp_hba_dbf_event_fsf_response(struct zfcp_fsf_req *);
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extern void zfcp_hba_dbf_event_fsf_unsol(const char *, struct zfcp_adapter *,
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struct fsf_status_read_buffer *);
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extern void zfcp_hba_dbf_event_qdio(struct zfcp_adapter *,
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unsigned int, unsigned int, unsigned int,
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int, int);
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extern void zfcp_san_dbf_event_ct_request(struct zfcp_fsf_req *);
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extern void zfcp_san_dbf_event_ct_response(struct zfcp_fsf_req *);
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extern void zfcp_san_dbf_event_els_request(struct zfcp_fsf_req *);
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extern void zfcp_san_dbf_event_els_response(struct zfcp_fsf_req *);
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extern void zfcp_san_dbf_event_incoming_els(struct zfcp_fsf_req *);
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extern void zfcp_scsi_dbf_event_result(const char *, int, struct zfcp_adapter *,
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struct scsi_cmnd *,
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struct zfcp_fsf_req *);
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extern void zfcp_scsi_dbf_event_abort(const char *, struct zfcp_adapter *,
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struct scsi_cmnd *, struct zfcp_fsf_req *,
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unsigned long);
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extern void zfcp_scsi_dbf_event_devreset(const char *, u8, struct zfcp_unit *,
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struct scsi_cmnd *);
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extern int zfcp_reqlist_isempty(struct zfcp_adapter *);
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extern struct miscdevice zfcp_cfdc_misc;
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#endif /* ZFCP_EXT_H */
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