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