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c4795fb2 CH |
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 *); | |
5787cacd CH |
26 | int (*transport_complete)(struct se_cmd *cmd, struct scatterlist *); |
27 | int (*execute_cmd)(struct se_cmd *, struct scatterlist *, u32, | |
28 | enum dma_data_direction); | |
c4795fb2 | 29 | int (*do_discard)(struct se_device *, sector_t, u32); |
6bb35e00 | 30 | void (*do_sync_cache)(struct se_cmd *); |
c4795fb2 CH |
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 *); | |
5787cacd | 40 | unsigned char *(*get_sense_buffer)(struct se_cmd *); |
c4795fb2 CH |
41 | }; |
42 | ||
43 | int transport_subsystem_register(struct se_subsystem_api *); | |
44 | void transport_subsystem_release(struct se_subsystem_api *); | |
45 | ||
46 | struct se_device *transport_add_device_to_core_hba(struct se_hba *, | |
47 | struct se_subsystem_api *, struct se_subsystem_dev *, u32, | |
48 | void *, struct se_dev_limits *, const char *, const char *); | |
49 | ||
6bb35e00 | 50 | void target_complete_cmd(struct se_cmd *, u8); |
c4795fb2 | 51 | |
c4795fb2 CH |
52 | void transport_set_vpd_proto_id(struct t10_vpd *, unsigned char *); |
53 | int transport_set_vpd_assoc(struct t10_vpd *, unsigned char *); | |
54 | int transport_set_vpd_ident_type(struct t10_vpd *, unsigned char *); | |
55 | int transport_set_vpd_ident(struct t10_vpd *, unsigned char *); | |
56 | ||
57 | /* core helpers also used by command snooping in pscsi */ | |
4949314c AG |
58 | void *transport_kmap_data_sg(struct se_cmd *); |
59 | void transport_kunmap_data_sg(struct se_cmd *); | |
c4795fb2 | 60 | |
4a5a75f3 JE |
61 | void array_free(void *array, int n); |
62 | ||
c4795fb2 | 63 | #endif /* TARGET_CORE_BACKEND_H */ |