1 /* Defined in target_core_configfs.h */
2 struct target_fabric_configfs
;
4 struct target_core_fabric_ops
{
5 struct configfs_subsystem
*tf_subsys
;
7 * Optional to signal struct se_task->task_sg[] padding entries
8 * for scatterlist chaining using transport_do_task_sg_link(),
11 bool task_sg_chaining
;
12 char *(*get_fabric_name
)(void);
13 u8 (*get_fabric_proto_ident
)(struct se_portal_group
*);
14 char *(*tpg_get_wwn
)(struct se_portal_group
*);
15 u16 (*tpg_get_tag
)(struct se_portal_group
*);
16 u32 (*tpg_get_default_depth
)(struct se_portal_group
*);
17 u32 (*tpg_get_pr_transport_id
)(struct se_portal_group
*,
19 struct t10_pr_registration
*, int *,
21 u32 (*tpg_get_pr_transport_id_len
)(struct se_portal_group
*,
23 struct t10_pr_registration
*, int *);
24 char *(*tpg_parse_pr_out_transport_id
)(struct se_portal_group
*,
25 const char *, u32
*, char **);
26 int (*tpg_check_demo_mode
)(struct se_portal_group
*);
27 int (*tpg_check_demo_mode_cache
)(struct se_portal_group
*);
28 int (*tpg_check_demo_mode_write_protect
)(struct se_portal_group
*);
29 int (*tpg_check_prod_mode_write_protect
)(struct se_portal_group
*);
30 struct se_node_acl
*(*tpg_alloc_fabric_acl
)(
31 struct se_portal_group
*);
32 void (*tpg_release_fabric_acl
)(struct se_portal_group
*,
33 struct se_node_acl
*);
34 u32 (*tpg_get_inst_index
)(struct se_portal_group
*);
36 * Optional function pointer for TCM to perform command map
37 * from TCM processing thread context, for those struct se_cmd
38 * initially allocated in interrupt context.
40 int (*new_cmd_map
)(struct se_cmd
*);
42 * Optional to release struct se_cmd and fabric dependent allocated
43 * I/O descriptor in transport_cmd_check_stop()
45 void (*check_stop_free
)(struct se_cmd
*);
46 void (*release_cmd
)(struct se_cmd
*);
48 * Called with spin_lock_bh(struct se_portal_group->session_lock held.
50 int (*shutdown_session
)(struct se_session
*);
51 void (*close_session
)(struct se_session
*);
52 void (*stop_session
)(struct se_session
*, int, int);
53 void (*fall_back_to_erl0
)(struct se_session
*);
54 int (*sess_logged_in
)(struct se_session
*);
55 u32 (*sess_get_index
)(struct se_session
*);
57 * Used only for SCSI fabrics that contain multi-value TransportIDs
58 * (like iSCSI). All other SCSI fabrics should set this to NULL.
60 u32 (*sess_get_initiator_sid
)(struct se_session
*,
61 unsigned char *, u32
);
62 int (*write_pending
)(struct se_cmd
*);
63 int (*write_pending_status
)(struct se_cmd
*);
64 void (*set_default_node_attributes
)(struct se_node_acl
*);
65 u32 (*get_task_tag
)(struct se_cmd
*);
66 int (*get_cmd_state
)(struct se_cmd
*);
67 int (*queue_data_in
)(struct se_cmd
*);
68 int (*queue_status
)(struct se_cmd
*);
69 int (*queue_tm_rsp
)(struct se_cmd
*);
70 u16 (*set_fabric_sense_len
)(struct se_cmd
*, u32
);
71 u16 (*get_fabric_sense_len
)(void);
72 int (*is_state_remove
)(struct se_cmd
*);
74 * fabric module calls for target_core_fabric_configfs.c
76 struct se_wwn
*(*fabric_make_wwn
)(struct target_fabric_configfs
*,
77 struct config_group
*, const char *);
78 void (*fabric_drop_wwn
)(struct se_wwn
*);
79 struct se_portal_group
*(*fabric_make_tpg
)(struct se_wwn
*,
80 struct config_group
*, const char *);
81 void (*fabric_drop_tpg
)(struct se_portal_group
*);
82 int (*fabric_post_link
)(struct se_portal_group
*,
84 void (*fabric_pre_unlink
)(struct se_portal_group
*,
86 struct se_tpg_np
*(*fabric_make_np
)(struct se_portal_group
*,
87 struct config_group
*, const char *);
88 void (*fabric_drop_np
)(struct se_tpg_np
*);
89 struct se_node_acl
*(*fabric_make_nodeacl
)(struct se_portal_group
*,
90 struct config_group
*, const char *);
91 void (*fabric_drop_nodeacl
)(struct se_node_acl
*);