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2024-02-20 ea08eeccae9297f7aabd2ef7f0c2517ac4549acc

 kernel/include/target/target_core_fabric.h
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@@ -8,7 +8,18 @@
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 struct target_core_fabric_ops {
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 	struct module *module;
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-	const char *name;
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+	/*
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+	 * XXX: Special case for iscsi/iSCSI...
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+	 * If non-null, fabric_alias is used for matching target/$fabric
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+	 * ConfigFS paths. If null, fabric_name is used for this (see below).
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+	 */
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+	const char *fabric_alias;
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+	/*
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+	 * fabric_name is used for matching target/$fabric ConfigFS paths
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+	 * without a fabric_alias (see above). It's also used for the ALUA state
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+	 * path and is stored on disk with PR state.
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+	 */
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+	const char *fabric_name;
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 	size_t node_acl_size;
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 	/*
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 	 * Limits number of scatterlist entries per SCF_SCSI_DATA_CDB payload.
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@@ -23,7 +34,6 @@
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 	 * XXX: Currently assumes single PAGE_SIZE per scatterlist entry
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 	 */
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 	u32 max_data_sg_nents;
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-	char *(*get_fabric_name)(void);
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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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@@ -64,7 +74,6 @@
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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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 	int (*get_cmd_state)(struct se_cmd *);
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 	int (*queue_data_in)(struct se_cmd *);
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@@ -101,6 +110,13 @@
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 	struct configfs_attribute **tfc_tpg_nacl_attrib_attrs;
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 	struct configfs_attribute **tfc_tpg_nacl_auth_attrs;
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 	struct configfs_attribute **tfc_tpg_nacl_param_attrs;
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+
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+	/*
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+	 * Set this member variable to true if the SCSI transport protocol
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+	 * (e.g. iSCSI) requires that the Data-Out buffer is transferred in
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+	 * its entirety before a command is aborted.
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+	 */
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+	bool write_pending_must_be_called;
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 };
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 int target_register_template(const struct target_core_fabric_ops *fo);
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@@ -126,6 +142,7 @@
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 		struct se_node_acl *, struct se_session *, void *);
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 ssize_t	target_show_dynamic_sessions(struct se_portal_group *, char *);
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 void	transport_free_session(struct se_session *);
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+void	target_spc2_release(struct se_node_acl *nacl);
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 void	target_put_nacl(struct se_node_acl *);
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 void	transport_deregister_session_configfs(struct se_session *);
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 void	transport_deregister_session(struct se_session *);
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@@ -133,9 +150,10 @@
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 void	transport_init_se_cmd(struct se_cmd *,
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 		const struct target_core_fabric_ops *,
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-		struct se_session *, u32, int, int, unsigned char *);
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-sense_reason_t transport_lookup_cmd_lun(struct se_cmd *, u64);
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-sense_reason_t target_setup_cmd_from_cdb(struct se_cmd *, unsigned char *);
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+		struct se_session *, u32, int, int, unsigned char *, u64);
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+sense_reason_t transport_lookup_cmd_lun(struct se_cmd *);
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+sense_reason_t target_cmd_init_cdb(struct se_cmd *, unsigned char *);
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+sense_reason_t target_cmd_parse_cdb(struct se_cmd *);
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 int	target_submit_cmd_map_sgls(struct se_cmd *, struct se_session *,
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 		unsigned char *, unsigned char *, u64, u32, int, int, int,
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 		struct scatterlist *, u32, struct scatterlist *, u32,
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@@ -149,14 +167,15 @@
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 int	transport_handle_cdb_direct(struct se_cmd *);
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 sense_reason_t	transport_generic_new_cmd(struct se_cmd *);
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+void	target_put_cmd_and_wait(struct se_cmd *cmd);
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 void	target_execute_cmd(struct se_cmd *cmd);
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 int	transport_generic_free_cmd(struct se_cmd *, int);
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 bool	transport_wait_for_tasks(struct se_cmd *);
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-int	transport_check_aborted_status(struct se_cmd *, int);
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 int	transport_send_check_condition_and_sense(struct se_cmd *,
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 		sense_reason_t, int);
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+int	target_send_busy(struct se_cmd *cmd);
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 int	target_get_sess_cmd(struct se_cmd *, bool);
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 int	target_put_sess_cmd(struct se_cmd *);
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 void	target_sess_cmd_list_set_waiting(struct se_session *);
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@@ -169,7 +188,7 @@
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 void	core_tmr_release_req(struct se_tmr_req *);
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 int	transport_generic_handle_tmr(struct se_cmd *);
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 void	transport_generic_request_failure(struct se_cmd *, sense_reason_t);
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-int	transport_lookup_tmr_lun(struct se_cmd *, u64);
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+int	transport_lookup_tmr_lun(struct se_cmd *);
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 void	core_allocate_nexus_loss_ua(struct se_node_acl *acl);
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 struct se_node_acl *core_tpg_get_initiator_node_acl(struct se_portal_group *tpg,