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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 | char inquiry_prod[16]; |
13 | char inquiry_rev[4]; |
14 | struct module *owner; |
15 | |
16 | u8 transport_type; |
17 | |
18 | int (*attach_hba)(struct se_hba *, u32); |
19 | void (*detach_hba)(struct se_hba *); |
20 | int (*pmode_enable_hba)(struct se_hba *, unsigned long); |
21 | |
22 | struct se_device *(*alloc_device)(struct se_hba *, const char *); |
23 | int (*configure_device)(struct se_device *); |
24 | void (*free_device)(struct se_device *device); |
25 | |
26 | ssize_t (*set_configfs_dev_params)(struct se_device *, |
27 | const char *, ssize_t); |
28 | ssize_t (*show_configfs_dev_params)(struct se_device *, char *); |
29 | |
30 | void (*transport_complete)(struct se_cmd *cmd, |
31 | struct scatterlist *, |
32 | unsigned char *); |
33 | |
34 | sense_reason_t (*parse_cdb)(struct se_cmd *cmd); |
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 | bool (*get_write_cache)(struct se_device *); |
39 | }; |
40 | |
41 | struct sbc_ops { |
42 | sense_reason_t (*execute_rw)(struct se_cmd *cmd, struct scatterlist *, |
43 | u32, enum dma_data_direction); |
44 | sense_reason_t (*execute_sync_cache)(struct se_cmd *cmd); |
45 | sense_reason_t (*execute_write_same)(struct se_cmd *cmd); |
46 | sense_reason_t (*execute_write_same_unmap)(struct se_cmd *cmd); |
47 | sense_reason_t (*execute_unmap)(struct se_cmd *cmd); |
48 | }; |
49 | |
50 | int transport_subsystem_register(struct se_subsystem_api *); |
51 | void transport_subsystem_release(struct se_subsystem_api *); |
52 | |
53 | void target_complete_cmd(struct se_cmd *, u8); |
54 | |
55 | sense_reason_t spc_parse_cdb(struct se_cmd *cmd, unsigned int *size); |
56 | sense_reason_t spc_emulate_report_luns(struct se_cmd *cmd); |
57 | sense_reason_t spc_emulate_inquiry_std(struct se_cmd *, unsigned char *); |
58 | sense_reason_t spc_emulate_evpd_83(struct se_cmd *, unsigned char *); |
59 | |
60 | sense_reason_t sbc_parse_cdb(struct se_cmd *cmd, struct sbc_ops *ops); |
61 | u32 sbc_get_device_rev(struct se_device *dev); |
62 | u32 sbc_get_device_type(struct se_device *dev); |
63 | sector_t sbc_get_write_same_sectors(struct se_cmd *cmd); |
64 | sense_reason_t sbc_execute_unmap(struct se_cmd *cmd, |
65 | sense_reason_t (*do_unmap_fn)(struct se_cmd *cmd, void *priv, |
66 | sector_t lba, sector_t nolb), |
67 | void *priv); |
68 | |
69 | void transport_set_vpd_proto_id(struct t10_vpd *, unsigned char *); |
70 | int transport_set_vpd_assoc(struct t10_vpd *, unsigned char *); |
71 | int transport_set_vpd_ident_type(struct t10_vpd *, unsigned char *); |
72 | int transport_set_vpd_ident(struct t10_vpd *, unsigned char *); |
73 | |
74 | /* core helpers also used by command snooping in pscsi */ |
75 | void *transport_kmap_data_sg(struct se_cmd *); |
76 | void transport_kunmap_data_sg(struct se_cmd *); |
77 | /* core helpers also used by xcopy during internal command setup */ |
78 | int target_alloc_sgl(struct scatterlist **, unsigned int *, u32, bool); |
79 | sense_reason_t transport_generic_map_mem_to_cmd(struct se_cmd *, |
80 | struct scatterlist *, u32, struct scatterlist *, u32); |
81 | |
82 | void array_free(void *array, int n); |
83 | |
84 | #endif /* TARGET_CORE_BACKEND_H */ |
85 |
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v2.6.34-rc5
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