| #ifndef TARGET_CORE_BACKEND_H |
| #define TARGET_CORE_BACKEND_H |
| |
| #define TRANSPORT_PLUGIN_PHBA_PDEV 1 |
| #define TRANSPORT_PLUGIN_VHBA_PDEV 2 |
| #define TRANSPORT_PLUGIN_VHBA_VDEV 3 |
| |
| struct se_subsystem_api { |
| struct list_head sub_api_list; |
| |
| char name[16]; |
| 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_cmd *cmd, struct scatterlist *); |
| |
| int (*parse_cdb)(struct se_cmd *cmd, unsigned int *size); |
| int (*execute_cmd)(struct se_cmd *, struct scatterlist *, u32, |
| enum dma_data_direction); |
| int (*do_discard)(struct se_device *, sector_t, u32); |
| void (*do_sync_cache)(struct se_cmd *); |
| 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 *); |
| u32 (*get_device_type)(struct se_device *); |
| sector_t (*get_blocks)(struct se_device *); |
| unsigned char *(*get_sense_buffer)(struct se_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); |
| |
| int sbc_parse_cdb(struct se_cmd *cmd, unsigned int *size); |
| int spc_parse_cdb(struct se_cmd *cmd, unsigned int *size, bool passthrough); |
| |
| void transport_set_vpd_proto_id(struct t10_vpd *, unsigned char *); |
| int transport_set_vpd_assoc(struct t10_vpd *, unsigned char *); |
| int transport_set_vpd_ident_type(struct t10_vpd *, unsigned char *); |
| 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 *); |
| |
| void array_free(void *array, int n); |
| |
| #endif /* TARGET_CORE_BACKEND_H */ |