Commit | Line | Data |
---|---|---|
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]; | |
0fd97ccf CH |
12 | char inquiry_prod[16]; |
13 | char inquiry_rev[4]; | |
c4795fb2 CH |
14 | struct module *owner; |
15 | ||
16 | u8 transport_type; | |
17 | ||
c4795fb2 CH |
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); | |
0fd97ccf CH |
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 | ||
d5829eac PB |
30 | void (*transport_complete)(struct se_cmd *cmd, |
31 | struct scatterlist *, | |
32 | unsigned char *); | |
d6e0175c | 33 | |
de103c93 | 34 | sense_reason_t (*parse_cdb)(struct se_cmd *cmd); |
c4795fb2 CH |
35 | u32 (*get_device_type)(struct se_device *); |
36 | sector_t (*get_blocks)(struct se_device *); | |
7f7caf6a AG |
37 | sector_t (*get_alignment_offset_lbas)(struct se_device *); |
38 | /* lbppbe = logical blocks per physical block exponent. see SBC-3 */ | |
39 | unsigned int (*get_lbppbe)(struct se_device *); | |
40 | unsigned int (*get_io_min)(struct se_device *); | |
41 | unsigned int (*get_io_opt)(struct se_device *); | |
5787cacd | 42 | unsigned char *(*get_sense_buffer)(struct se_cmd *); |
d0c8b259 | 43 | bool (*get_write_cache)(struct se_device *); |
c4795fb2 CH |
44 | }; |
45 | ||
9e999a6c | 46 | struct sbc_ops { |
a82a9538 NB |
47 | sense_reason_t (*execute_rw)(struct se_cmd *cmd, struct scatterlist *, |
48 | u32, enum dma_data_direction); | |
de103c93 CH |
49 | sense_reason_t (*execute_sync_cache)(struct se_cmd *cmd); |
50 | sense_reason_t (*execute_write_same)(struct se_cmd *cmd); | |
cd063bef | 51 | sense_reason_t (*execute_write_same_unmap)(struct se_cmd *cmd); |
de103c93 | 52 | sense_reason_t (*execute_unmap)(struct se_cmd *cmd); |
0c2ad7d1 CH |
53 | }; |
54 | ||
c4795fb2 CH |
55 | int transport_subsystem_register(struct se_subsystem_api *); |
56 | void transport_subsystem_release(struct se_subsystem_api *); | |
57 | ||
6bb35e00 | 58 | void target_complete_cmd(struct se_cmd *, u8); |
c4795fb2 | 59 | |
de103c93 CH |
60 | sense_reason_t spc_parse_cdb(struct se_cmd *cmd, unsigned int *size); |
61 | sense_reason_t spc_emulate_report_luns(struct se_cmd *cmd); | |
0dfa1c5d HR |
62 | sense_reason_t spc_emulate_inquiry_std(struct se_cmd *, unsigned char *); |
63 | sense_reason_t spc_emulate_evpd_83(struct se_cmd *, unsigned char *); | |
d6e0175c | 64 | |
de103c93 | 65 | sense_reason_t sbc_parse_cdb(struct se_cmd *cmd, struct sbc_ops *ops); |
6f23ac8a CH |
66 | u32 sbc_get_device_rev(struct se_device *dev); |
67 | u32 sbc_get_device_type(struct se_device *dev); | |
972b29c8 | 68 | sector_t sbc_get_write_same_sectors(struct se_cmd *cmd); |
86d71829 AH |
69 | sense_reason_t sbc_execute_unmap(struct se_cmd *cmd, |
70 | sense_reason_t (*do_unmap_fn)(struct se_cmd *cmd, void *priv, | |
71 | sector_t lba, sector_t nolb), | |
72 | void *priv); | |
6f23ac8a | 73 | |
c4795fb2 CH |
74 | void transport_set_vpd_proto_id(struct t10_vpd *, unsigned char *); |
75 | int transport_set_vpd_assoc(struct t10_vpd *, unsigned char *); | |
76 | int transport_set_vpd_ident_type(struct t10_vpd *, unsigned char *); | |
77 | int transport_set_vpd_ident(struct t10_vpd *, unsigned char *); | |
78 | ||
79 | /* core helpers also used by command snooping in pscsi */ | |
4949314c AG |
80 | void *transport_kmap_data_sg(struct se_cmd *); |
81 | void transport_kunmap_data_sg(struct se_cmd *); | |
c5ff8d6b NB |
82 | /* core helpers also used by xcopy during internal command setup */ |
83 | int target_alloc_sgl(struct scatterlist **, unsigned int *, u32, bool); | |
84 | sense_reason_t transport_generic_map_mem_to_cmd(struct se_cmd *, | |
85 | struct scatterlist *, u32, struct scatterlist *, u32); | |
c4795fb2 | 86 | |
4a5a75f3 JE |
87 | void array_free(void *array, int n); |
88 | ||
c4795fb2 | 89 | #endif /* TARGET_CORE_BACKEND_H */ |