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 *); |
Christoph Hellwig | 5787cac | 2012-04-24 00:25:06 -0400 | [diff] [blame] | 26 | int (*transport_complete)(struct se_cmd *cmd, struct scatterlist *); |
Christoph Hellwig | d6e0175 | 2012-05-20 11:59:14 -0400 | [diff] [blame] | 27 | |
Christoph Hellwig | 1fd032e | 2012-05-20 11:59:15 -0400 | [diff] [blame] | 28 | int (*parse_cdb)(struct se_cmd *cmd); |
Christoph Hellwig | c4795fb | 2011-11-16 09:46:48 -0500 | [diff] [blame] | 29 | int (*do_discard)(struct se_device *, sector_t, u32); |
Christoph Hellwig | 6bb35e0 | 2012-04-23 11:35:33 -0400 | [diff] [blame] | 30 | void (*do_sync_cache)(struct se_cmd *); |
Christoph Hellwig | c4795fb | 2011-11-16 09:46:48 -0500 | [diff] [blame] | 31 | ssize_t (*check_configfs_dev_params)(struct se_hba *, |
| 32 | struct se_subsystem_dev *); |
| 33 | ssize_t (*set_configfs_dev_params)(struct se_hba *, |
| 34 | struct se_subsystem_dev *, const char *, ssize_t); |
| 35 | ssize_t (*show_configfs_dev_params)(struct se_hba *, |
| 36 | struct se_subsystem_dev *, char *); |
| 37 | u32 (*get_device_rev)(struct se_device *); |
| 38 | u32 (*get_device_type)(struct se_device *); |
| 39 | sector_t (*get_blocks)(struct se_device *); |
Christoph Hellwig | 5787cac | 2012-04-24 00:25:06 -0400 | [diff] [blame] | 40 | unsigned char *(*get_sense_buffer)(struct se_cmd *); |
Christoph Hellwig | c4795fb | 2011-11-16 09:46:48 -0500 | [diff] [blame] | 41 | }; |
| 42 | |
Christoph Hellwig | 0c2ad7d | 2012-06-17 18:40:52 -0400 | [diff] [blame^] | 43 | struct spc_ops { |
| 44 | int (*execute_rw)(struct se_cmd *cmd); |
| 45 | }; |
| 46 | |
Christoph Hellwig | c4795fb | 2011-11-16 09:46:48 -0500 | [diff] [blame] | 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 | |
Christoph Hellwig | 6bb35e0 | 2012-04-23 11:35:33 -0400 | [diff] [blame] | 54 | void target_complete_cmd(struct se_cmd *, u8); |
Christoph Hellwig | c4795fb | 2011-11-16 09:46:48 -0500 | [diff] [blame] | 55 | |
Christoph Hellwig | 0c2ad7d | 2012-06-17 18:40:52 -0400 | [diff] [blame^] | 56 | int sbc_parse_cdb(struct se_cmd *cmd, struct spc_ops *ops); |
Christoph Hellwig | 1fd032e | 2012-05-20 11:59:15 -0400 | [diff] [blame] | 57 | int spc_parse_cdb(struct se_cmd *cmd, unsigned int *size); |
Christoph Hellwig | d6e0175 | 2012-05-20 11:59:14 -0400 | [diff] [blame] | 58 | |
Christoph Hellwig | c4795fb | 2011-11-16 09:46:48 -0500 | [diff] [blame] | 59 | void transport_set_vpd_proto_id(struct t10_vpd *, unsigned char *); |
| 60 | int transport_set_vpd_assoc(struct t10_vpd *, unsigned char *); |
| 61 | int transport_set_vpd_ident_type(struct t10_vpd *, unsigned char *); |
| 62 | int transport_set_vpd_ident(struct t10_vpd *, unsigned char *); |
| 63 | |
| 64 | /* core helpers also used by command snooping in pscsi */ |
Andy Grover | 4949314 | 2012-01-16 16:57:08 -0800 | [diff] [blame] | 65 | void *transport_kmap_data_sg(struct se_cmd *); |
| 66 | void transport_kunmap_data_sg(struct se_cmd *); |
Christoph Hellwig | c4795fb | 2011-11-16 09:46:48 -0500 | [diff] [blame] | 67 | |
Jörn Engel | 4a5a75f | 2012-03-15 15:05:12 -0400 | [diff] [blame] | 68 | void array_free(void *array, int n); |
| 69 | |
Christoph Hellwig | c4795fb | 2011-11-16 09:46:48 -0500 | [diff] [blame] | 70 | #endif /* TARGET_CORE_BACKEND_H */ |