1 files changed, 61 insertions, 27 deletions

diff --git a/include/target/target_core_backend.h b/include/target/target_core_backend.h
index e5e6ff98f0f..9adc1bca117 100644
--- a/include/target/target_core_backend.h
+++ b/include/target/target_core_backend.h
@@ -9,49 +9,77 @@ struct se_subsystem_api {
 	struct list_head sub_api_list;
 
 	char name[16];
+	char inquiry_prod[16];
+	char inquiry_rev[4];
 	struct module *owner;
 
 	u8 transport_type;
 
-	unsigned int fua_write_emulated : 1;
-	unsigned int write_cache_emulated : 1;
-
 	int (*attach_hba)(struct se_hba *, u32);
 	void (*detach_hba)(struct se_hba *);
 	int (*pmode_enable_hba)(struct se_hba *, unsigned long);
-	void *(*allocate_virtdevice)(struct se_hba *, const char *);
-	struct se_device *(*create_virtdevice)(struct se_hba *,
-				struct se_subsystem_dev *, void *);
-	void (*free_device)(void *);
-	int (*transport_complete)(struct se_task *task);
-	struct se_task *(*alloc_task)(unsigned char *cdb);
-	int (*do_task)(struct se_task *);
-	int (*do_discard)(struct se_device *, sector_t, u32);
-	void (*do_sync_cache)(struct se_task *);
-	void (*free_task)(struct se_task *);
-	ssize_t (*check_configfs_dev_params)(struct se_hba *,
-			struct se_subsystem_dev *);
-	ssize_t (*set_configfs_dev_params)(struct se_hba *,
-			struct se_subsystem_dev *, const char *, ssize_t);
-	ssize_t (*show_configfs_dev_params)(struct se_hba *,
-			struct se_subsystem_dev *, char *);
-	u32 (*get_device_rev)(struct se_device *);
+
+	struct se_device *(*alloc_device)(struct se_hba *, const char *);
+	int (*configure_device)(struct se_device *);
+	void (*free_device)(struct se_device *device);
+
+	ssize_t (*set_configfs_dev_params)(struct se_device *,
+					   const char *, ssize_t);
+	ssize_t (*show_configfs_dev_params)(struct se_device *, char *);
+
+	void (*transport_complete)(struct se_cmd *cmd,
+				   struct scatterlist *,
+				   unsigned char *);
+
+	sense_reason_t (*parse_cdb)(struct se_cmd *cmd);
 	u32 (*get_device_type)(struct se_device *);
 	sector_t (*get_blocks)(struct se_device *);
-	unsigned char *(*get_sense_buffer)(struct se_task *);
+	sector_t (*get_alignment_offset_lbas)(struct se_device *);
+	/* lbppbe = logical blocks per physical block exponent. see SBC-3 */
+	unsigned int (*get_lbppbe)(struct se_device *);
+	unsigned int (*get_io_min)(struct se_device *);
+	unsigned int (*get_io_opt)(struct se_device *);
+	unsigned char *(*get_sense_buffer)(struct se_cmd *);
+	bool (*get_write_cache)(struct se_device *);
+	int (*init_prot)(struct se_device *);
+	int (*format_prot)(struct se_device *);
+	void (*free_prot)(struct se_device *);
+};
+
+struct sbc_ops {
+	sense_reason_t (*execute_rw)(struct se_cmd *cmd, struct scatterlist *,
+				     u32, enum dma_data_direction);
+	sense_reason_t (*execute_sync_cache)(struct se_cmd *cmd);
+	sense_reason_t (*execute_write_same)(struct se_cmd *cmd);
+	sense_reason_t (*execute_write_same_unmap)(struct se_cmd *cmd);
+	sense_reason_t (*execute_unmap)(struct se_cmd *cmd);
 };
 
 int	transport_subsystem_register(struct se_subsystem_api *);
 void	transport_subsystem_release(struct se_subsystem_api *);
 
-struct se_device *transport_add_device_to_core_hba(struct se_hba *,
-		struct se_subsystem_api *, struct se_subsystem_dev *, u32,
-		void *, struct se_dev_limits *, const char *, const char *);
+void	target_complete_cmd(struct se_cmd *, u8);
+void	target_complete_cmd_with_length(struct se_cmd *, u8, int);
 
-void	transport_complete_sync_cache(struct se_cmd *, int);
-void	transport_complete_task(struct se_task *, int);
+sense_reason_t	spc_parse_cdb(struct se_cmd *cmd, unsigned int *size);
+sense_reason_t	spc_emulate_report_luns(struct se_cmd *cmd);
+sense_reason_t	spc_emulate_inquiry_std(struct se_cmd *, unsigned char *);
+sense_reason_t	spc_emulate_evpd_83(struct se_cmd *, unsigned char *);
 
-void	target_get_task_cdb(struct se_task *, unsigned char *);
+sense_reason_t	sbc_parse_cdb(struct se_cmd *cmd, struct sbc_ops *ops);
+u32	sbc_get_device_rev(struct se_device *dev);
+u32	sbc_get_device_type(struct se_device *dev);
+sector_t	sbc_get_write_same_sectors(struct se_cmd *cmd);
+sense_reason_t sbc_execute_unmap(struct se_cmd *cmd,
+	sense_reason_t (*do_unmap_fn)(struct se_cmd *cmd, void *priv,
+				      sector_t lba, sector_t nolb),
+	void *priv);
+void	sbc_dif_generate(struct se_cmd *);
+sense_reason_t	sbc_dif_verify_write(struct se_cmd *, sector_t, unsigned int,
+				     unsigned int, struct scatterlist *, int);
+sense_reason_t	sbc_dif_verify_read(struct se_cmd *, sector_t, unsigned int,
+				    unsigned int, struct scatterlist *, int);
+sense_reason_t	sbc_dif_read_strip(struct se_cmd *);
 
 void	transport_set_vpd_proto_id(struct t10_vpd *, unsigned char *);
 int	transport_set_vpd_assoc(struct t10_vpd *, unsigned char *);
@@ -61,5 +89,11 @@ int	transport_set_vpd_ident(struct t10_vpd *, unsigned char *);
 /* core helpers also used by command snooping in pscsi */
 void	*transport_kmap_data_sg(struct se_cmd *);
 void	transport_kunmap_data_sg(struct se_cmd *);
+/* core helpers also used by xcopy during internal command setup */
+int	target_alloc_sgl(struct scatterlist **, unsigned int *, u32, bool);
+sense_reason_t	transport_generic_map_mem_to_cmd(struct se_cmd *,
+		struct scatterlist *, u32, struct scatterlist *, u32);
+
+void	array_free(void *array, int n);
 
 #endif /* TARGET_CORE_BACKEND_H */