Christoph Hellwig | c4795fb | 2011-11-16 09:46:48 -0500 | [diff] [blame] | 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 | unsigned int fua_write_emulated : 1; |
| 17 | unsigned int write_cache_emulated : 1; |
| 18 | |
| 19 | int (*attach_hba)(struct se_hba *, u32); |
| 20 | void (*detach_hba)(struct se_hba *); |
| 21 | int (*pmode_enable_hba)(struct se_hba *, unsigned long); |
| 22 | void *(*allocate_virtdevice)(struct se_hba *, const char *); |
| 23 | struct se_device *(*create_virtdevice)(struct se_hba *, |
| 24 | struct se_subsystem_dev *, void *); |
| 25 | void (*free_device)(void *); |
| 26 | int (*transport_complete)(struct se_task *task); |
| 27 | struct se_task *(*alloc_task)(unsigned char *cdb); |
| 28 | int (*do_task)(struct se_task *); |
| 29 | int (*do_discard)(struct se_device *, sector_t, u32); |
| 30 | void (*do_sync_cache)(struct se_task *); |
| 31 | void (*free_task)(struct se_task *); |
| 32 | ssize_t (*check_configfs_dev_params)(struct se_hba *, |
| 33 | struct se_subsystem_dev *); |
| 34 | ssize_t (*set_configfs_dev_params)(struct se_hba *, |
| 35 | struct se_subsystem_dev *, const char *, ssize_t); |
| 36 | ssize_t (*show_configfs_dev_params)(struct se_hba *, |
| 37 | struct se_subsystem_dev *, char *); |
| 38 | u32 (*get_device_rev)(struct se_device *); |
| 39 | u32 (*get_device_type)(struct se_device *); |
| 40 | sector_t (*get_blocks)(struct se_device *); |
| 41 | unsigned char *(*get_sense_buffer)(struct se_task *); |
| 42 | }; |
| 43 | |
| 44 | int transport_subsystem_register(struct se_subsystem_api *); |
| 45 | void transport_subsystem_release(struct se_subsystem_api *); |
| 46 | |
| 47 | struct se_device *transport_add_device_to_core_hba(struct se_hba *, |
| 48 | struct se_subsystem_api *, struct se_subsystem_dev *, u32, |
| 49 | void *, struct se_dev_limits *, const char *, const char *); |
| 50 | |
| 51 | void transport_complete_sync_cache(struct se_cmd *, int); |
| 52 | void transport_complete_task(struct se_task *, int); |
| 53 | |
| 54 | void target_get_task_cdb(struct se_task *, unsigned char *); |
| 55 | |
| 56 | void transport_set_vpd_proto_id(struct t10_vpd *, unsigned char *); |
| 57 | int transport_set_vpd_assoc(struct t10_vpd *, unsigned char *); |
| 58 | int transport_set_vpd_ident_type(struct t10_vpd *, unsigned char *); |
| 59 | int transport_set_vpd_ident(struct t10_vpd *, unsigned char *); |
| 60 | |
| 61 | /* core helpers also used by command snooping in pscsi */ |
Andy Grover | 4949314 | 2012-01-16 16:57:08 -0800 | [diff] [blame] | 62 | void *transport_kmap_data_sg(struct se_cmd *); |
| 63 | void transport_kunmap_data_sg(struct se_cmd *); |
Christoph Hellwig | c4795fb | 2011-11-16 09:46:48 -0500 | [diff] [blame] | 64 | |
| 65 | #endif /* TARGET_CORE_BACKEND_H */ |