1/* 2 * zfcp device driver 3 * 4 * External function declarations. 5 * 6 * Copyright IBM Corp. 2002, 2010 7 */ 8 9#ifndef ZFCP_EXT_H 10#define ZFCP_EXT_H 11 12#include <linux/types.h> 13#include <scsi/fc/fc_els.h> 14#include "zfcp_def.h" 15#include "zfcp_fc.h" 16 17/* zfcp_aux.c */ 18extern struct zfcp_port *zfcp_get_port_by_wwpn(struct zfcp_adapter *, u64); 19extern struct zfcp_adapter *zfcp_adapter_enqueue(struct ccw_device *); 20extern struct zfcp_port *zfcp_port_enqueue(struct zfcp_adapter *, u64, u32, 21 u32); 22extern void zfcp_sg_free_table(struct scatterlist *, int); 23extern int zfcp_sg_setup_table(struct scatterlist *, int); 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_run(char *, struct zfcp_erp_action *); 38extern void zfcp_dbf_hba_fsf_uss(char *, struct zfcp_fsf_req *); 39extern void zfcp_dbf_hba_fsf_res(char *, struct zfcp_fsf_req *); 40extern void zfcp_dbf_hba_bit_err(char *, struct zfcp_fsf_req *); 41extern void zfcp_dbf_hba_berr(struct zfcp_dbf *, struct zfcp_fsf_req *); 42extern void zfcp_dbf_hba_def_err(struct zfcp_adapter *, u64, u16, void **); 43extern void zfcp_dbf_hba_basic(char *, struct zfcp_adapter *); 44extern void zfcp_dbf_san_req(char *, struct zfcp_fsf_req *, u32); 45extern void zfcp_dbf_san_res(char *, struct zfcp_fsf_req *); 46extern void zfcp_dbf_san_in_els(char *, struct zfcp_fsf_req *); 47extern void zfcp_dbf_scsi(char *, struct scsi_cmnd *, struct zfcp_fsf_req *); 48 49/* zfcp_erp.c */ 50extern void zfcp_erp_set_adapter_status(struct zfcp_adapter *, u32); 51extern void zfcp_erp_clear_adapter_status(struct zfcp_adapter *, u32); 52extern void zfcp_erp_adapter_reopen(struct zfcp_adapter *, int, char *); 53extern void zfcp_erp_adapter_shutdown(struct zfcp_adapter *, int, char *); 54extern void zfcp_erp_set_port_status(struct zfcp_port *, u32); 55extern void zfcp_erp_clear_port_status(struct zfcp_port *, u32); 56extern int zfcp_erp_port_reopen(struct zfcp_port *, int, char *); 57extern void zfcp_erp_port_shutdown(struct zfcp_port *, int, char *); 58extern void zfcp_erp_port_forced_reopen(struct zfcp_port *, int, char *); 59extern void zfcp_erp_set_lun_status(struct scsi_device *, u32); 60extern void zfcp_erp_clear_lun_status(struct scsi_device *, u32); 61extern void zfcp_erp_lun_reopen(struct scsi_device *, int, char *); 62extern void zfcp_erp_lun_shutdown(struct scsi_device *, int, char *); 63extern void zfcp_erp_lun_shutdown_wait(struct scsi_device *, char *); 64extern int zfcp_erp_thread_setup(struct zfcp_adapter *); 65extern void zfcp_erp_thread_kill(struct zfcp_adapter *); 66extern void zfcp_erp_wait(struct zfcp_adapter *); 67extern void zfcp_erp_notify(struct zfcp_erp_action *, unsigned long); 68extern void zfcp_erp_timeout_handler(unsigned long); 69 70/* zfcp_fc.c */ 71extern struct kmem_cache *zfcp_fc_req_cache; 72extern void zfcp_fc_enqueue_event(struct zfcp_adapter *, 73 enum fc_host_event_code event_code, u32); 74extern void zfcp_fc_post_event(struct work_struct *); 75extern void zfcp_fc_scan_ports(struct work_struct *); 76extern void zfcp_fc_incoming_els(struct zfcp_fsf_req *); 77extern void zfcp_fc_port_did_lookup(struct work_struct *); 78extern void zfcp_fc_trigger_did_lookup(struct zfcp_port *); 79extern void zfcp_fc_plogi_evaluate(struct zfcp_port *, struct fc_els_flogi *); 80extern void zfcp_fc_test_link(struct zfcp_port *); 81extern void zfcp_fc_link_test_work(struct work_struct *); 82extern void zfcp_fc_wka_ports_force_offline(struct zfcp_fc_wka_ports *); 83extern int zfcp_fc_gs_setup(struct zfcp_adapter *); 84extern void zfcp_fc_gs_destroy(struct zfcp_adapter *); 85extern int zfcp_fc_exec_bsg_job(struct fc_bsg_job *); 86extern int zfcp_fc_timeout_bsg_job(struct fc_bsg_job *); 87extern void zfcp_fc_sym_name_update(struct work_struct *); 88extern void zfcp_fc_conditional_port_scan(struct zfcp_adapter *); 89extern void zfcp_fc_inverse_conditional_port_scan(struct zfcp_adapter *); 90 91/* zfcp_fsf.c */ 92extern struct kmem_cache *zfcp_fsf_qtcb_cache; 93extern int zfcp_fsf_open_port(struct zfcp_erp_action *); 94extern int zfcp_fsf_open_wka_port(struct zfcp_fc_wka_port *); 95extern int zfcp_fsf_close_wka_port(struct zfcp_fc_wka_port *); 96extern int zfcp_fsf_close_port(struct zfcp_erp_action *); 97extern int zfcp_fsf_close_physical_port(struct zfcp_erp_action *); 98extern int zfcp_fsf_open_lun(struct zfcp_erp_action *); 99extern int zfcp_fsf_close_lun(struct zfcp_erp_action *); 100extern int zfcp_fsf_exchange_config_data(struct zfcp_erp_action *); 101extern int zfcp_fsf_exchange_config_data_sync(struct zfcp_qdio *, 102 struct fsf_qtcb_bottom_config *); 103extern int zfcp_fsf_exchange_port_data(struct zfcp_erp_action *); 104extern int zfcp_fsf_exchange_port_data_sync(struct zfcp_qdio *, 105 struct fsf_qtcb_bottom_port *); 106extern void zfcp_fsf_req_dismiss_all(struct zfcp_adapter *); 107extern int zfcp_fsf_status_read(struct zfcp_qdio *); 108extern int zfcp_status_read_refill(struct zfcp_adapter *adapter); 109extern int zfcp_fsf_send_ct(struct zfcp_fc_wka_port *, struct zfcp_fsf_ct_els *, 110 mempool_t *, unsigned int); 111extern int zfcp_fsf_send_els(struct zfcp_adapter *, u32, 112 struct zfcp_fsf_ct_els *, unsigned int); 113extern int zfcp_fsf_fcp_cmnd(struct scsi_cmnd *); 114extern void zfcp_fsf_req_free(struct zfcp_fsf_req *); 115extern struct zfcp_fsf_req *zfcp_fsf_fcp_task_mgmt(struct scsi_cmnd *, u8); 116extern struct zfcp_fsf_req *zfcp_fsf_abort_fcp_cmnd(struct scsi_cmnd *); 117extern void zfcp_fsf_reqid_check(struct zfcp_qdio *, int); 118 119/* zfcp_qdio.c */ 120extern int zfcp_qdio_setup(struct zfcp_adapter *); 121extern void zfcp_qdio_destroy(struct zfcp_qdio *); 122extern int zfcp_qdio_sbal_get(struct zfcp_qdio *); 123extern int zfcp_qdio_send(struct zfcp_qdio *, struct zfcp_qdio_req *); 124extern int zfcp_qdio_sbals_from_sg(struct zfcp_qdio *, struct zfcp_qdio_req *, 125 struct scatterlist *); 126extern int zfcp_qdio_open(struct zfcp_qdio *); 127extern void zfcp_qdio_close(struct zfcp_qdio *); 128extern void zfcp_qdio_siosl(struct zfcp_adapter *); 129 130/* zfcp_scsi.c */ 131extern struct scsi_transport_template *zfcp_scsi_transport_template; 132extern int zfcp_scsi_adapter_register(struct zfcp_adapter *); 133extern void zfcp_scsi_adapter_unregister(struct zfcp_adapter *); 134extern struct fc_function_template zfcp_transport_functions; 135extern void zfcp_scsi_rport_work(struct work_struct *); 136extern void zfcp_scsi_schedule_rport_register(struct zfcp_port *); 137extern void zfcp_scsi_schedule_rport_block(struct zfcp_port *); 138extern void zfcp_scsi_schedule_rports_block(struct zfcp_adapter *); 139extern void zfcp_scsi_set_prot(struct zfcp_adapter *); 140extern void zfcp_scsi_dif_sense_error(struct scsi_cmnd *, int); 141 142/* zfcp_sysfs.c */ 143extern const struct attribute_group *zfcp_unit_attr_groups[]; 144extern struct attribute_group zfcp_sysfs_adapter_attrs; 145extern const struct attribute_group *zfcp_port_attr_groups[]; 146extern struct mutex zfcp_sysfs_port_units_mutex; 147extern struct device_attribute *zfcp_sysfs_sdev_attrs[]; 148extern struct device_attribute *zfcp_sysfs_shost_attrs[]; 149 150/* zfcp_unit.c */ 151extern int zfcp_unit_add(struct zfcp_port *, u64); 152extern int zfcp_unit_remove(struct zfcp_port *, u64); 153extern struct zfcp_unit *zfcp_unit_find(struct zfcp_port *, u64); 154extern struct scsi_device *zfcp_unit_sdev(struct zfcp_unit *unit); 155extern void zfcp_unit_scsi_scan(struct zfcp_unit *); 156extern void zfcp_unit_queue_scsi_scan(struct zfcp_port *); 157extern unsigned int zfcp_unit_sdev_status(struct zfcp_unit *); 158 159#endif /* ZFCP_EXT_H */ 160