diff options
Diffstat (limited to 'include/target/target_core_fabric_ops.h')
| -rw-r--r-- | include/target/target_core_fabric_ops.h | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/include/target/target_core_fabric_ops.h b/include/target/target_core_fabric_ops.h new file mode 100644 index 000000000000..f3ac12b019c2 --- /dev/null +++ b/include/target/target_core_fabric_ops.h @@ -0,0 +1,100 @@ +/* Defined in target_core_configfs.h */ +struct target_fabric_configfs; + +struct target_core_fabric_ops { + struct configfs_subsystem *tf_subsys; + /* + * Optional to signal struct se_task->task_sg[] padding entries + * for scatterlist chaining using transport_do_task_sg_link(), + * disabled by default + */ + int task_sg_chaining:1; + char *(*get_fabric_name)(void); + u8 (*get_fabric_proto_ident)(struct se_portal_group *); + char *(*tpg_get_wwn)(struct se_portal_group *); + u16 (*tpg_get_tag)(struct se_portal_group *); + u32 (*tpg_get_default_depth)(struct se_portal_group *); + u32 (*tpg_get_pr_transport_id)(struct se_portal_group *, + struct se_node_acl *, + struct t10_pr_registration *, int *, + unsigned char *); + u32 (*tpg_get_pr_transport_id_len)(struct se_portal_group *, + struct se_node_acl *, + struct t10_pr_registration *, int *); + char *(*tpg_parse_pr_out_transport_id)(struct se_portal_group *, + const char *, u32 *, char **); + int (*tpg_check_demo_mode)(struct se_portal_group *); + int (*tpg_check_demo_mode_cache)(struct se_portal_group *); + int (*tpg_check_demo_mode_write_protect)(struct se_portal_group *); + int (*tpg_check_prod_mode_write_protect)(struct se_portal_group *); + struct se_node_acl *(*tpg_alloc_fabric_acl)( + struct se_portal_group *); + void (*tpg_release_fabric_acl)(struct se_portal_group *, + struct se_node_acl *); + u32 (*tpg_get_inst_index)(struct se_portal_group *); + /* + * Optional function pointer for TCM to perform command map + * from TCM processing thread context, for those struct se_cmd + * initally allocated in interrupt context. + */ + int (*new_cmd_map)(struct se_cmd *); + /* + * Optional function pointer for TCM fabric modules that use + * Linux/NET sockets to allocate struct iovec array to struct se_cmd + */ + int (*alloc_cmd_iovecs)(struct se_cmd *); + /* + * Optional to release struct se_cmd and fabric dependent allocated + * I/O descriptor in transport_cmd_check_stop() + */ + void (*check_stop_free)(struct se_cmd *); + void (*release_cmd_to_pool)(struct se_cmd *); + void (*release_cmd_direct)(struct se_cmd *); + /* + * Called with spin_lock_bh(struct se_portal_group->session_lock held. + */ + int (*shutdown_session)(struct se_session *); + void (*close_session)(struct se_session *); + void (*stop_session)(struct se_session *, int, int); + void (*fall_back_to_erl0)(struct se_session *); + int (*sess_logged_in)(struct se_session *); + u32 (*sess_get_index)(struct se_session *); + /* + * Used only for SCSI fabrics that contain multi-value TransportIDs + * (like iSCSI). All other SCSI fabrics should set this to NULL. + */ + u32 (*sess_get_initiator_sid)(struct se_session *, + unsigned char *, u32); + int (*write_pending)(struct se_cmd *); + int (*write_pending_status)(struct se_cmd *); + void (*set_default_node_attributes)(struct se_node_acl *); + u32 (*get_task_tag)(struct se_cmd *); + int (*get_cmd_state)(struct se_cmd *); + void (*new_cmd_failure)(struct se_cmd *); + int (*queue_data_in)(struct se_cmd *); + int (*queue_status)(struct se_cmd *); + int (*queue_tm_rsp)(struct se_cmd *); + u16 (*set_fabric_sense_len)(struct se_cmd *, u32); + u16 (*get_fabric_sense_len)(void); + int (*is_state_remove)(struct se_cmd *); + u64 (*pack_lun)(unsigned int); + /* + * fabric module calls for target_core_fabric_configfs.c + */ + struct se_wwn *(*fabric_make_wwn)(struct target_fabric_configfs *, + struct config_group *, const char *); + void (*fabric_drop_wwn)(struct se_wwn *); + struct se_portal_group *(*fabric_make_tpg)(struct se_wwn *, + struct config_group *, const char *); + void (*fabric_drop_tpg)(struct se_portal_group *); + int (*fabric_post_link)(struct se_portal_group *, + struct se_lun *); + void (*fabric_pre_unlink)(struct se_portal_group *, + struct se_lun *); + struct se_tpg_np *(*fabric_make_np)(struct se_portal_group *, + struct config_group *, const char *); + void (*fabric_drop_np)(struct se_tpg_np *); + struct se_node_acl *(*fabric_make_nodeacl)(struct se_portal_group *, + struct config_group *, const char *); + void (*fabric_drop_nodeacl)(struct se_node_acl *); +}; |