diff options
Diffstat (limited to 'drivers/s390/scsi/zfcp_ext.h')
| -rw-r--r-- | drivers/s390/scsi/zfcp_ext.h | 76 |
1 files changed, 59 insertions, 17 deletions
diff --git a/drivers/s390/scsi/zfcp_ext.h b/drivers/s390/scsi/zfcp_ext.h index 83e3f1408c38..9f5152b42b0e 100644 --- a/drivers/s390/scsi/zfcp_ext.h +++ b/drivers/s390/scsi/zfcp_ext.h @@ -1,15 +1,17 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * zfcp device driver * * External function declarations. * - * Copyright IBM Corp. 2002, 2010 + * Copyright IBM Corp. 2002, 2023 */ #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" @@ -19,8 +21,6 @@ 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_sg_free_table(struct scatterlist *, int); -extern int zfcp_sg_setup_table(struct scatterlist *, int); extern void zfcp_adapter_release(struct kref *); extern void zfcp_adapter_unregister(struct zfcp_adapter *); @@ -34,28 +34,48 @@ 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 *, 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_fsf_reqid(const char *const tag, const int level, + struct zfcp_adapter *const adapter, + const u64 req_id); extern void zfcp_dbf_hba_bit_err(char *, struct zfcp_fsf_req *); -extern void zfcp_dbf_hba_berr(struct zfcp_dbf *, struct zfcp_fsf_req *); extern void zfcp_dbf_hba_def_err(struct zfcp_adapter *, u64, u16, void **); -extern void zfcp_dbf_hba_basic(char *, struct zfcp_adapter *); 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(char *, struct scsi_cmnd *, 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 int zfcp_erp_port_reopen(struct zfcp_port *, int, char *); +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 *); @@ -65,7 +85,9 @@ 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(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; @@ -82,9 +104,10 @@ 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 fc_bsg_job *); -extern int zfcp_fc_timeout_bsg_job(struct fc_bsg_job *); +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 *); @@ -103,6 +126,7 @@ extern int zfcp_fsf_exchange_config_data_sync(struct zfcp_qdio *, 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); @@ -112,9 +136,18 @@ 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 struct zfcp_fsf_req *zfcp_fsf_fcp_task_mgmt(struct scsi_cmnd *, u8); +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 *); @@ -123,13 +156,14 @@ 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 *); -extern struct zfcp_fsf_req *zfcp_fsf_get_req(struct zfcp_qdio *, - struct qdio_buffer *); /* 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 *); @@ -140,14 +174,22 @@ 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 struct attribute_group zfcp_sysfs_adapter_attrs; extern const struct attribute_group *zfcp_port_attr_groups[]; extern struct mutex zfcp_sysfs_port_units_mutex; -extern struct device_attribute *zfcp_sysfs_sdev_attrs[]; -extern struct device_attribute *zfcp_sysfs_shost_attrs[]; +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); |