zfcp_ext.h (9630B)
1/* SPDX-License-Identifier: GPL-2.0 */ 2/* 3 * zfcp device driver 4 * 5 * External function declarations. 6 * 7 * Copyright IBM Corp. 2002, 2020 8 */ 9 10#ifndef ZFCP_EXT_H 11#define ZFCP_EXT_H 12 13#include <linux/types.h> 14#include <linux/sysfs.h> 15#include <scsi/fc/fc_els.h> 16#include "zfcp_def.h" 17#include "zfcp_fc.h" 18 19/* zfcp_aux.c */ 20extern struct zfcp_port *zfcp_get_port_by_wwpn(struct zfcp_adapter *, u64); 21extern struct zfcp_adapter *zfcp_adapter_enqueue(struct ccw_device *); 22extern struct zfcp_port *zfcp_port_enqueue(struct zfcp_adapter *, u64, u32, 23 u32); 24extern void zfcp_adapter_release(struct kref *); 25extern void zfcp_adapter_unregister(struct zfcp_adapter *); 26 27/* zfcp_ccw.c */ 28extern struct ccw_driver zfcp_ccw_driver; 29extern struct zfcp_adapter *zfcp_ccw_adapter_by_cdev(struct ccw_device *); 30extern void zfcp_ccw_adapter_put(struct zfcp_adapter *); 31 32/* zfcp_dbf.c */ 33extern int zfcp_dbf_adapter_register(struct zfcp_adapter *); 34extern void zfcp_dbf_adapter_unregister(struct zfcp_adapter *); 35extern void zfcp_dbf_rec_trig(char *, struct zfcp_adapter *, 36 struct zfcp_port *, struct scsi_device *, u8, u8); 37extern void zfcp_dbf_rec_trig_lock(char *tag, struct zfcp_adapter *adapter, 38 struct zfcp_port *port, 39 struct scsi_device *sdev, u8 want, u8 need); 40extern void zfcp_dbf_rec_run(char *, struct zfcp_erp_action *); 41extern void zfcp_dbf_rec_run_lvl(int level, char *tag, 42 struct zfcp_erp_action *erp); 43extern void zfcp_dbf_rec_run_wka(char *, struct zfcp_fc_wka_port *, u64); 44extern void zfcp_dbf_hba_fsf_uss(char *, struct zfcp_fsf_req *); 45extern void zfcp_dbf_hba_fsf_res(char *, int, struct zfcp_fsf_req *); 46extern void zfcp_dbf_hba_fsf_fces(char *tag, const struct zfcp_fsf_req *req, 47 u64 wwpn, u32 fc_security_old, 48 u32 fc_security_new); 49extern void zfcp_dbf_hba_bit_err(char *, struct zfcp_fsf_req *); 50extern void zfcp_dbf_hba_def_err(struct zfcp_adapter *, u64, u16, void **); 51extern void zfcp_dbf_san_req(char *, struct zfcp_fsf_req *, u32); 52extern void zfcp_dbf_san_res(char *, struct zfcp_fsf_req *); 53extern void zfcp_dbf_san_in_els(char *, struct zfcp_fsf_req *); 54extern void zfcp_dbf_scsi_common(char *tag, int level, struct scsi_device *sdev, 55 struct scsi_cmnd *sc, 56 struct zfcp_fsf_req *fsf); 57extern void zfcp_dbf_scsi_eh(char *tag, struct zfcp_adapter *adapter, 58 unsigned int scsi_id, int ret); 59 60/* zfcp_erp.c */ 61extern void zfcp_erp_set_adapter_status(struct zfcp_adapter *, u32); 62extern void zfcp_erp_clear_adapter_status(struct zfcp_adapter *, u32); 63extern void zfcp_erp_port_forced_no_port_dbf(char *dbftag, 64 struct zfcp_adapter *adapter, 65 u64 port_name, u32 port_id); 66extern void zfcp_erp_adapter_reopen(struct zfcp_adapter *, int, char *); 67extern void zfcp_erp_adapter_shutdown(struct zfcp_adapter *, int, char *); 68extern void zfcp_erp_set_port_status(struct zfcp_port *, u32); 69extern void zfcp_erp_clear_port_status(struct zfcp_port *, u32); 70extern void zfcp_erp_port_reopen(struct zfcp_port *port, int clear, 71 char *dbftag); 72extern void zfcp_erp_port_shutdown(struct zfcp_port *, int, char *); 73extern void zfcp_erp_port_forced_reopen(struct zfcp_port *, int, char *); 74extern void zfcp_erp_port_forced_reopen_all(struct zfcp_adapter *adapter, 75 int clear, char *dbftag); 76extern void zfcp_erp_set_lun_status(struct scsi_device *, u32); 77extern void zfcp_erp_clear_lun_status(struct scsi_device *, u32); 78extern void zfcp_erp_lun_reopen(struct scsi_device *, int, char *); 79extern void zfcp_erp_lun_shutdown(struct scsi_device *, int, char *); 80extern void zfcp_erp_lun_shutdown_wait(struct scsi_device *, char *); 81extern int zfcp_erp_thread_setup(struct zfcp_adapter *); 82extern void zfcp_erp_thread_kill(struct zfcp_adapter *); 83extern void zfcp_erp_wait(struct zfcp_adapter *); 84extern void zfcp_erp_notify(struct zfcp_erp_action *, unsigned long); 85extern void zfcp_erp_timeout_handler(struct timer_list *t); 86extern void zfcp_erp_adapter_reset_sync(struct zfcp_adapter *adapter, 87 char *dbftag); 88 89/* zfcp_fc.c */ 90extern struct kmem_cache *zfcp_fc_req_cache; 91extern void zfcp_fc_enqueue_event(struct zfcp_adapter *, 92 enum fc_host_event_code event_code, u32); 93extern void zfcp_fc_post_event(struct work_struct *); 94extern void zfcp_fc_scan_ports(struct work_struct *); 95extern void zfcp_fc_incoming_els(struct zfcp_fsf_req *); 96extern void zfcp_fc_port_did_lookup(struct work_struct *); 97extern void zfcp_fc_trigger_did_lookup(struct zfcp_port *); 98extern void zfcp_fc_plogi_evaluate(struct zfcp_port *, struct fc_els_flogi *); 99extern void zfcp_fc_test_link(struct zfcp_port *); 100extern void zfcp_fc_link_test_work(struct work_struct *); 101extern void zfcp_fc_wka_ports_force_offline(struct zfcp_fc_wka_ports *); 102extern int zfcp_fc_gs_setup(struct zfcp_adapter *); 103extern void zfcp_fc_gs_destroy(struct zfcp_adapter *); 104extern int zfcp_fc_exec_bsg_job(struct bsg_job *); 105extern int zfcp_fc_timeout_bsg_job(struct bsg_job *); 106extern void zfcp_fc_sym_name_update(struct work_struct *); 107extern unsigned int zfcp_fc_port_scan_backoff(void); 108extern void zfcp_fc_conditional_port_scan(struct zfcp_adapter *); 109extern void zfcp_fc_inverse_conditional_port_scan(struct zfcp_adapter *); 110 111/* zfcp_fsf.c */ 112extern struct kmem_cache *zfcp_fsf_qtcb_cache; 113extern int zfcp_fsf_open_port(struct zfcp_erp_action *); 114extern int zfcp_fsf_open_wka_port(struct zfcp_fc_wka_port *); 115extern int zfcp_fsf_close_wka_port(struct zfcp_fc_wka_port *); 116extern int zfcp_fsf_close_port(struct zfcp_erp_action *); 117extern int zfcp_fsf_close_physical_port(struct zfcp_erp_action *); 118extern int zfcp_fsf_open_lun(struct zfcp_erp_action *); 119extern int zfcp_fsf_close_lun(struct zfcp_erp_action *); 120extern int zfcp_fsf_exchange_config_data(struct zfcp_erp_action *); 121extern int zfcp_fsf_exchange_config_data_sync(struct zfcp_qdio *, 122 struct fsf_qtcb_bottom_config *); 123extern int zfcp_fsf_exchange_port_data(struct zfcp_erp_action *); 124extern int zfcp_fsf_exchange_port_data_sync(struct zfcp_qdio *, 125 struct fsf_qtcb_bottom_port *); 126extern u32 zfcp_fsf_convert_portspeed(u32 fsf_speed); 127extern void zfcp_fsf_req_dismiss_all(struct zfcp_adapter *); 128extern int zfcp_fsf_status_read(struct zfcp_qdio *); 129extern int zfcp_status_read_refill(struct zfcp_adapter *adapter); 130extern int zfcp_fsf_send_ct(struct zfcp_fc_wka_port *, struct zfcp_fsf_ct_els *, 131 mempool_t *, unsigned int); 132extern int zfcp_fsf_send_els(struct zfcp_adapter *, u32, 133 struct zfcp_fsf_ct_els *, unsigned int); 134extern int zfcp_fsf_fcp_cmnd(struct scsi_cmnd *); 135extern void zfcp_fsf_req_free(struct zfcp_fsf_req *); 136extern void zfcp_fsf_fc_host_link_down(struct zfcp_adapter *adapter); 137extern struct zfcp_fsf_req *zfcp_fsf_fcp_task_mgmt(struct scsi_device *sdev, 138 u8 tm_flags); 139extern struct zfcp_fsf_req *zfcp_fsf_abort_fcp_cmnd(struct scsi_cmnd *); 140extern void zfcp_fsf_reqid_check(struct zfcp_qdio *, int); 141enum zfcp_fsf_print_fmt { 142 ZFCP_FSF_PRINT_FMT_LIST, 143 ZFCP_FSF_PRINT_FMT_SINGLEITEM, 144}; 145extern ssize_t zfcp_fsf_scnprint_fc_security(char *buf, size_t size, 146 u32 fc_security, 147 enum zfcp_fsf_print_fmt fmt); 148 149/* zfcp_qdio.c */ 150extern int zfcp_qdio_setup(struct zfcp_adapter *); 151extern void zfcp_qdio_destroy(struct zfcp_qdio *); 152extern int zfcp_qdio_sbal_get(struct zfcp_qdio *); 153extern int zfcp_qdio_send(struct zfcp_qdio *, struct zfcp_qdio_req *); 154extern int zfcp_qdio_sbals_from_sg(struct zfcp_qdio *, struct zfcp_qdio_req *, 155 struct scatterlist *); 156extern void zfcp_qdio_shost_update(struct zfcp_adapter *const adapter, 157 const struct zfcp_qdio *const qdio); 158extern int zfcp_qdio_open(struct zfcp_qdio *); 159extern void zfcp_qdio_close(struct zfcp_qdio *); 160extern void zfcp_qdio_siosl(struct zfcp_adapter *); 161 162/* zfcp_scsi.c */ 163extern bool zfcp_experimental_dix; 164extern struct scsi_transport_template *zfcp_scsi_transport_template; 165extern int zfcp_scsi_adapter_register(struct zfcp_adapter *); 166extern void zfcp_scsi_adapter_unregister(struct zfcp_adapter *); 167extern struct fc_function_template zfcp_transport_functions; 168extern void zfcp_scsi_rport_work(struct work_struct *); 169extern void zfcp_scsi_schedule_rport_register(struct zfcp_port *); 170extern void zfcp_scsi_schedule_rport_block(struct zfcp_port *); 171extern void zfcp_scsi_schedule_rports_block(struct zfcp_adapter *); 172extern void zfcp_scsi_set_prot(struct zfcp_adapter *); 173extern void zfcp_scsi_dif_sense_error(struct scsi_cmnd *, int); 174extern void zfcp_scsi_shost_update_config_data( 175 struct zfcp_adapter *const adapter, 176 const struct fsf_qtcb_bottom_config *const bottom, 177 const bool bottom_incomplete); 178extern void zfcp_scsi_shost_update_port_data( 179 struct zfcp_adapter *const adapter, 180 const struct fsf_qtcb_bottom_port *const bottom); 181 182/* zfcp_sysfs.c */ 183extern const struct attribute_group *zfcp_sysfs_adapter_attr_groups[]; 184extern const struct attribute_group *zfcp_unit_attr_groups[]; 185extern const struct attribute_group *zfcp_port_attr_groups[]; 186extern struct mutex zfcp_sysfs_port_units_mutex; 187extern const struct attribute_group *zfcp_sysfs_sdev_attr_groups[]; 188extern const struct attribute_group *zfcp_sysfs_shost_attr_groups[]; 189bool zfcp_sysfs_port_is_removing(const struct zfcp_port *const port); 190 191/* zfcp_unit.c */ 192extern int zfcp_unit_add(struct zfcp_port *, u64); 193extern int zfcp_unit_remove(struct zfcp_port *, u64); 194extern struct zfcp_unit *zfcp_unit_find(struct zfcp_port *, u64); 195extern struct scsi_device *zfcp_unit_sdev(struct zfcp_unit *unit); 196extern void zfcp_unit_scsi_scan(struct zfcp_unit *); 197extern void zfcp_unit_queue_scsi_scan(struct zfcp_port *); 198extern unsigned int zfcp_unit_sdev_status(struct zfcp_unit *); 199 200#endif /* ZFCP_EXT_H */