204 lines
9.5 KiB
C
204 lines
9.5 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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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 Corp. 2002, 2023
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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 <linux/types.h>
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#include <linux/sysfs.h>
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#include <scsi/fc/fc_els.h>
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#include "zfcp_def.h"
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#include "zfcp_fc.h"
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/* zfcp_aux.c */
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extern struct zfcp_port *zfcp_get_port_by_wwpn(struct zfcp_adapter *, u64);
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extern struct zfcp_adapter *zfcp_adapter_enqueue(struct ccw_device *);
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extern struct zfcp_port *zfcp_port_enqueue(struct zfcp_adapter *, u64, u32,
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u32);
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extern void zfcp_adapter_release(struct kref *);
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extern void zfcp_adapter_unregister(struct zfcp_adapter *);
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/* zfcp_ccw.c */
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extern struct ccw_driver zfcp_ccw_driver;
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extern struct zfcp_adapter *zfcp_ccw_adapter_by_cdev(struct ccw_device *);
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extern void zfcp_ccw_adapter_put(struct zfcp_adapter *);
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/* zfcp_dbf.c */
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extern int zfcp_dbf_adapter_register(struct zfcp_adapter *);
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extern void zfcp_dbf_adapter_unregister(struct zfcp_adapter *);
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extern void zfcp_dbf_rec_trig(char *, struct zfcp_adapter *,
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struct zfcp_port *, struct scsi_device *, u8, u8);
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extern void zfcp_dbf_rec_trig_lock(char *tag, struct zfcp_adapter *adapter,
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struct zfcp_port *port,
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struct scsi_device *sdev, u8 want, u8 need);
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extern void zfcp_dbf_rec_run(char *, struct zfcp_erp_action *);
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extern void zfcp_dbf_rec_run_lvl(int level, char *tag,
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struct zfcp_erp_action *erp);
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extern void zfcp_dbf_rec_run_wka(char *, struct zfcp_fc_wka_port *, u64);
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extern void zfcp_dbf_hba_fsf_uss(char *, struct zfcp_fsf_req *);
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extern void zfcp_dbf_hba_fsf_res(char *, int, struct zfcp_fsf_req *);
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extern void zfcp_dbf_hba_fsf_fces(char *tag, const struct zfcp_fsf_req *req,
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u64 wwpn, u32 fc_security_old,
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u32 fc_security_new);
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extern void zfcp_dbf_hba_fsf_reqid(const char *const tag, const int level,
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struct zfcp_adapter *const adapter,
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const u64 req_id);
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extern void zfcp_dbf_hba_bit_err(char *, struct zfcp_fsf_req *);
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extern void zfcp_dbf_hba_def_err(struct zfcp_adapter *, u64, u16, void **);
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extern void zfcp_dbf_san_req(char *, struct zfcp_fsf_req *, u32);
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extern void zfcp_dbf_san_res(char *, struct zfcp_fsf_req *);
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extern void zfcp_dbf_san_in_els(char *, struct zfcp_fsf_req *);
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extern void zfcp_dbf_scsi_common(char *tag, int level, struct scsi_device *sdev,
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struct scsi_cmnd *sc,
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struct zfcp_fsf_req *fsf);
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extern void zfcp_dbf_scsi_eh(char *tag, struct zfcp_adapter *adapter,
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unsigned int scsi_id, int ret);
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/* zfcp_erp.c */
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extern void zfcp_erp_set_adapter_status(struct zfcp_adapter *, u32);
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extern void zfcp_erp_clear_adapter_status(struct zfcp_adapter *, u32);
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extern void zfcp_erp_port_forced_no_port_dbf(char *dbftag,
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struct zfcp_adapter *adapter,
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u64 port_name, u32 port_id);
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extern void zfcp_erp_adapter_reopen(struct zfcp_adapter *, int, char *);
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extern void zfcp_erp_adapter_shutdown(struct zfcp_adapter *, int, char *);
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extern void zfcp_erp_set_port_status(struct zfcp_port *, u32);
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extern void zfcp_erp_clear_port_status(struct zfcp_port *, u32);
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extern void zfcp_erp_port_reopen(struct zfcp_port *port, int clear,
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char *dbftag);
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extern void zfcp_erp_port_shutdown(struct zfcp_port *, int, char *);
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extern void zfcp_erp_port_forced_reopen(struct zfcp_port *, int, char *);
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extern void zfcp_erp_port_forced_reopen_all(struct zfcp_adapter *adapter,
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int clear, char *dbftag);
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extern void zfcp_erp_set_lun_status(struct scsi_device *, u32);
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extern void zfcp_erp_clear_lun_status(struct scsi_device *, u32);
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extern void zfcp_erp_lun_reopen(struct scsi_device *, int, char *);
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extern void zfcp_erp_lun_shutdown(struct scsi_device *, int, char *);
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extern void zfcp_erp_lun_shutdown_wait(struct scsi_device *, char *);
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extern int zfcp_erp_thread_setup(struct zfcp_adapter *);
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extern void zfcp_erp_thread_kill(struct zfcp_adapter *);
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extern void zfcp_erp_wait(struct zfcp_adapter *);
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extern void zfcp_erp_notify(struct zfcp_erp_action *, unsigned long);
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extern void zfcp_erp_timeout_handler(struct timer_list *t);
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extern void zfcp_erp_adapter_reset_sync(struct zfcp_adapter *adapter,
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char *dbftag);
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/* zfcp_fc.c */
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extern struct kmem_cache *zfcp_fc_req_cache;
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extern void zfcp_fc_enqueue_event(struct zfcp_adapter *,
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enum fc_host_event_code event_code, u32);
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extern void zfcp_fc_post_event(struct work_struct *);
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extern void zfcp_fc_scan_ports(struct work_struct *);
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extern void zfcp_fc_incoming_els(struct zfcp_fsf_req *);
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extern void zfcp_fc_port_did_lookup(struct work_struct *);
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extern void zfcp_fc_trigger_did_lookup(struct zfcp_port *);
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extern void zfcp_fc_plogi_evaluate(struct zfcp_port *, struct fc_els_flogi *);
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extern void zfcp_fc_test_link(struct zfcp_port *);
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extern void zfcp_fc_link_test_work(struct work_struct *);
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extern void zfcp_fc_wka_ports_force_offline(struct zfcp_fc_wka_ports *);
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extern int zfcp_fc_gs_setup(struct zfcp_adapter *);
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extern void zfcp_fc_gs_destroy(struct zfcp_adapter *);
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extern int zfcp_fc_exec_bsg_job(struct bsg_job *);
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extern int zfcp_fc_timeout_bsg_job(struct bsg_job *);
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extern void zfcp_fc_sym_name_update(struct work_struct *);
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extern unsigned int zfcp_fc_port_scan_backoff(void);
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extern void zfcp_fc_conditional_port_scan(struct zfcp_adapter *);
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extern void zfcp_fc_inverse_conditional_port_scan(struct zfcp_adapter *);
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/* zfcp_fsf.c */
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extern struct kmem_cache *zfcp_fsf_qtcb_cache;
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extern int zfcp_fsf_open_port(struct zfcp_erp_action *);
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extern int zfcp_fsf_open_wka_port(struct zfcp_fc_wka_port *);
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extern int zfcp_fsf_close_wka_port(struct zfcp_fc_wka_port *);
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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_lun(struct zfcp_erp_action *);
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extern int zfcp_fsf_close_lun(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_qdio *,
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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_qdio *,
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struct fsf_qtcb_bottom_port *);
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extern u32 zfcp_fsf_convert_portspeed(u32 fsf_speed);
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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_qdio *);
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extern int zfcp_status_read_refill(struct zfcp_adapter *adapter);
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extern int zfcp_fsf_send_ct(struct zfcp_fc_wka_port *, struct zfcp_fsf_ct_els *,
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mempool_t *, unsigned int);
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extern int zfcp_fsf_send_els(struct zfcp_adapter *, u32,
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struct zfcp_fsf_ct_els *, unsigned int);
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extern int zfcp_fsf_fcp_cmnd(struct scsi_cmnd *);
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extern void zfcp_fsf_req_free(struct zfcp_fsf_req *);
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extern void zfcp_fsf_fc_host_link_down(struct zfcp_adapter *adapter);
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extern struct zfcp_fsf_req *zfcp_fsf_fcp_task_mgmt(struct scsi_device *sdev,
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u8 tm_flags);
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extern struct zfcp_fsf_req *zfcp_fsf_abort_fcp_cmnd(struct scsi_cmnd *);
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extern void zfcp_fsf_reqid_check(struct zfcp_qdio *, int);
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enum zfcp_fsf_print_fmt {
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ZFCP_FSF_PRINT_FMT_LIST,
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ZFCP_FSF_PRINT_FMT_SINGLEITEM,
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};
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extern ssize_t zfcp_fsf_scnprint_fc_security(char *buf, size_t size,
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u32 fc_security,
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enum zfcp_fsf_print_fmt fmt);
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/* zfcp_qdio.c */
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extern int zfcp_qdio_setup(struct zfcp_adapter *);
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extern void zfcp_qdio_destroy(struct zfcp_qdio *);
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extern int zfcp_qdio_sbal_get(struct zfcp_qdio *);
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extern int zfcp_qdio_send(struct zfcp_qdio *, struct zfcp_qdio_req *);
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extern int zfcp_qdio_sbals_from_sg(struct zfcp_qdio *, struct zfcp_qdio_req *,
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struct scatterlist *);
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extern void zfcp_qdio_shost_update(struct zfcp_adapter *const adapter,
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const struct zfcp_qdio *const qdio);
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extern int zfcp_qdio_open(struct zfcp_qdio *);
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extern void zfcp_qdio_close(struct zfcp_qdio *);
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extern void zfcp_qdio_siosl(struct zfcp_adapter *);
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/* zfcp_scsi.c */
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extern bool zfcp_experimental_dix;
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extern struct scsi_transport_template *zfcp_scsi_transport_template;
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extern int zfcp_scsi_adapter_register(struct zfcp_adapter *);
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extern void zfcp_scsi_adapter_unregister(struct zfcp_adapter *);
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extern struct fc_function_template zfcp_transport_functions;
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extern void zfcp_scsi_rport_work(struct work_struct *);
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extern void zfcp_scsi_schedule_rport_register(struct zfcp_port *);
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extern void zfcp_scsi_schedule_rport_block(struct zfcp_port *);
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extern void zfcp_scsi_schedule_rports_block(struct zfcp_adapter *);
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extern void zfcp_scsi_set_prot(struct zfcp_adapter *);
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extern void zfcp_scsi_dif_sense_error(struct scsi_cmnd *, int);
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extern void zfcp_scsi_shost_update_config_data(
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struct zfcp_adapter *const adapter,
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const struct fsf_qtcb_bottom_config *const bottom,
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const bool bottom_incomplete);
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extern void zfcp_scsi_shost_update_port_data(
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struct zfcp_adapter *const adapter,
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const struct fsf_qtcb_bottom_port *const bottom);
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/* zfcp_sysfs.c */
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extern const struct attribute_group *zfcp_sysfs_adapter_attr_groups[];
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extern const struct attribute_group *zfcp_unit_attr_groups[];
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extern const struct attribute_group *zfcp_port_attr_groups[];
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extern struct mutex zfcp_sysfs_port_units_mutex;
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extern const struct attribute_group *zfcp_sysfs_sdev_attr_groups[];
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extern const struct attribute_group *zfcp_sysfs_shost_attr_groups[];
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bool zfcp_sysfs_port_is_removing(const struct zfcp_port *const port);
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/* zfcp_unit.c */
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extern int zfcp_unit_add(struct zfcp_port *, u64);
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extern int zfcp_unit_remove(struct zfcp_port *, u64);
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extern struct zfcp_unit *zfcp_unit_find(struct zfcp_port *, u64);
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extern struct scsi_device *zfcp_unit_sdev(struct zfcp_unit *unit);
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extern void zfcp_unit_scsi_scan(struct zfcp_unit *);
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extern void zfcp_unit_queue_scsi_scan(struct zfcp_port *);
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extern unsigned int zfcp_unit_sdev_status(struct zfcp_unit *);
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#endif /* ZFCP_EXT_H */
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