1 #ifndef TARGET_CORE_BACKEND_H 2 #define TARGET_CORE_BACKEND_H 3 4 #define TRANSPORT_PLUGIN_PHBA_PDEV 1 5 #define TRANSPORT_PLUGIN_VHBA_PDEV 2 6 #define TRANSPORT_PLUGIN_VHBA_VDEV 3 7 8 struct se_subsystem_api { 9 struct list_head sub_api_list; 10 11 char name[16]; 12 struct module *owner; 13 14 u8 transport_type; 15 16 int (*attach_hba)(struct se_hba *, u32); 17 void (*detach_hba)(struct se_hba *); 18 int (*pmode_enable_hba)(struct se_hba *, unsigned long); 19 void *(*allocate_virtdevice)(struct se_hba *, const char *); 20 struct se_device *(*create_virtdevice)(struct se_hba *, 21 struct se_subsystem_dev *, void *); 22 void (*free_device)(void *); 23 void (*transport_complete)(struct se_cmd *cmd, 24 struct scatterlist *, 25 unsigned char *); 26 27 int (*parse_cdb)(struct se_cmd *cmd); 28 ssize_t (*check_configfs_dev_params)(struct se_hba *, 29 struct se_subsystem_dev *); 30 ssize_t (*set_configfs_dev_params)(struct se_hba *, 31 struct se_subsystem_dev *, const char *, ssize_t); 32 ssize_t (*show_configfs_dev_params)(struct se_hba *, 33 struct se_subsystem_dev *, char *); 34 u32 (*get_device_rev)(struct se_device *); 35 u32 (*get_device_type)(struct se_device *); 36 sector_t (*get_blocks)(struct se_device *); 37 unsigned char *(*get_sense_buffer)(struct se_cmd *); 38 }; 39 40 struct spc_ops { 41 int (*execute_rw)(struct se_cmd *cmd); 42 int (*execute_sync_cache)(struct se_cmd *cmd); 43 int (*execute_write_same)(struct se_cmd *cmd); 44 int (*execute_unmap)(struct se_cmd *cmd); 45 }; 46 47 int transport_subsystem_register(struct se_subsystem_api *); 48 void transport_subsystem_release(struct se_subsystem_api *); 49 50 struct se_device *transport_add_device_to_core_hba(struct se_hba *, 51 struct se_subsystem_api *, struct se_subsystem_dev *, u32, 52 void *, struct se_dev_limits *, const char *, const char *); 53 54 void target_complete_cmd(struct se_cmd *, u8); 55 56 int sbc_parse_cdb(struct se_cmd *cmd, struct spc_ops *ops); 57 int spc_parse_cdb(struct se_cmd *cmd, unsigned int *size); 58 int spc_get_write_same_sectors(struct se_cmd *cmd); 59 60 void transport_set_vpd_proto_id(struct t10_vpd *, unsigned char *); 61 int transport_set_vpd_assoc(struct t10_vpd *, unsigned char *); 62 int transport_set_vpd_ident_type(struct t10_vpd *, unsigned char *); 63 int transport_set_vpd_ident(struct t10_vpd *, unsigned char *); 64 65 /* core helpers also used by command snooping in pscsi */ 66 void *transport_kmap_data_sg(struct se_cmd *); 67 void transport_kunmap_data_sg(struct se_cmd *); 68 69 void array_free(void *array, int n); 70 71 #endif /* TARGET_CORE_BACKEND_H */ 72