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Diffstat (limited to '')
| -rw-r--r-- | drivers/s390/scsi/zfcp_ext.h | 200 |
1 files changed, 200 insertions, 0 deletions
diff --git a/drivers/s390/scsi/zfcp_ext.h b/drivers/s390/scsi/zfcp_ext.h new file mode 100644 index 000000000..c302cbb18 --- /dev/null +++ b/drivers/s390/scsi/zfcp_ext.h @@ -0,0 +1,200 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * zfcp device driver + * + * External function declarations. + * + * Copyright IBM Corp. 2002, 2020 + */ + +#ifndef ZFCP_EXT_H +#define ZFCP_EXT_H + +#include <linux/types.h> +#include <linux/sysfs.h> +#include <scsi/fc/fc_els.h> +#include "zfcp_def.h" +#include "zfcp_fc.h" + +/* 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 struct zfcp_port *zfcp_port_enqueue(struct zfcp_adapter *, u64, u32, + u32); +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_trig_lock(char *tag, struct zfcp_adapter *adapter, + struct zfcp_port *port, + struct scsi_device *sdev, u8 want, u8 need); +extern void zfcp_dbf_rec_run(char *, struct zfcp_erp_action *); +extern void zfcp_dbf_rec_run_lvl(int level, char *tag, + struct zfcp_erp_action *erp); +extern void zfcp_dbf_rec_run_wka(char *, struct zfcp_fc_wka_port *, u64); +extern void zfcp_dbf_hba_fsf_uss(char *, struct zfcp_fsf_req *); +extern void zfcp_dbf_hba_fsf_res(char *, int, struct zfcp_fsf_req *); +extern void zfcp_dbf_hba_fsf_fces(char *tag, const struct zfcp_fsf_req *req, + u64 wwpn, u32 fc_security_old, + u32 fc_security_new); +extern void zfcp_dbf_hba_bit_err(char *, struct zfcp_fsf_req *); +extern void zfcp_dbf_hba_def_err(struct zfcp_adapter *, u64, u16, void **); +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_common(char *tag, int level, struct scsi_device *sdev, + struct scsi_cmnd *sc, + struct zfcp_fsf_req *fsf); +extern void zfcp_dbf_scsi_eh(char *tag, struct zfcp_adapter *adapter, + unsigned int scsi_id, int ret); + +/* 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_port_forced_no_port_dbf(char *dbftag, + struct zfcp_adapter *adapter, + u64 port_name, u32 port_id); +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 void zfcp_erp_port_reopen(struct zfcp_port *port, int clear, + char *dbftag); +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_port_forced_reopen_all(struct zfcp_adapter *adapter, + int clear, char *dbftag); +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(struct timer_list *t); +extern void zfcp_erp_adapter_reset_sync(struct zfcp_adapter *adapter, + char *dbftag); + +/* 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 bsg_job *); +extern int zfcp_fc_timeout_bsg_job(struct bsg_job *); +extern void zfcp_fc_sym_name_update(struct work_struct *); +extern unsigned int zfcp_fc_port_scan_backoff(void); +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 u32 zfcp_fsf_convert_portspeed(u32 fsf_speed); +extern void zfcp_fsf_req_dismiss_all(struct zfcp_adapter *); +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 void zfcp_fsf_fc_host_link_down(struct zfcp_adapter *adapter); +extern struct zfcp_fsf_req *zfcp_fsf_fcp_task_mgmt(struct scsi_device *sdev, + u8 tm_flags); +extern struct zfcp_fsf_req *zfcp_fsf_abort_fcp_cmnd(struct scsi_cmnd *); +extern void zfcp_fsf_reqid_check(struct zfcp_qdio *, int); +enum zfcp_fsf_print_fmt { + ZFCP_FSF_PRINT_FMT_LIST, + ZFCP_FSF_PRINT_FMT_SINGLEITEM, +}; +extern ssize_t zfcp_fsf_scnprint_fc_security(char *buf, size_t size, + u32 fc_security, + enum zfcp_fsf_print_fmt fmt); + +/* 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 void zfcp_qdio_shost_update(struct zfcp_adapter *const adapter, + const struct zfcp_qdio *const qdio); +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 bool zfcp_experimental_dix; +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; +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); +extern void zfcp_scsi_shost_update_config_data( + struct zfcp_adapter *const adapter, + const struct fsf_qtcb_bottom_config *const bottom, + const bool bottom_incomplete); +extern void zfcp_scsi_shost_update_port_data( + struct zfcp_adapter *const adapter, + const struct fsf_qtcb_bottom_port *const bottom); + +/* zfcp_sysfs.c */ +extern const struct attribute_group *zfcp_sysfs_adapter_attr_groups[]; +extern const struct attribute_group *zfcp_unit_attr_groups[]; +extern const struct attribute_group *zfcp_port_attr_groups[]; +extern struct mutex zfcp_sysfs_port_units_mutex; +extern const struct attribute_group *zfcp_sysfs_sdev_attr_groups[]; +extern const struct attribute_group *zfcp_sysfs_shost_attr_groups[]; +bool zfcp_sysfs_port_is_removing(const struct zfcp_port *const port); + +/* 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 */ |