Commit | Line | Data |
---|---|---|
c4795fb2 CH |
1 | #ifndef TARGET_CORE_BACKEND_H |
2 | #define TARGET_CORE_BACKEND_H | |
3 | ||
a3541703 | 4 | #define TRANSPORT_FLAG_PASSTHROUGH 1 |
c4795fb2 | 5 | |
0a06d430 | 6 | struct target_backend_ops { |
c4795fb2 | 7 | char name[16]; |
0fd97ccf CH |
8 | char inquiry_prod[16]; |
9 | char inquiry_rev[4]; | |
c4795fb2 CH |
10 | struct module *owner; |
11 | ||
a3541703 | 12 | u8 transport_flags; |
c4795fb2 | 13 | |
c4795fb2 CH |
14 | int (*attach_hba)(struct se_hba *, u32); |
15 | void (*detach_hba)(struct se_hba *); | |
16 | int (*pmode_enable_hba)(struct se_hba *, unsigned long); | |
0fd97ccf CH |
17 | |
18 | struct se_device *(*alloc_device)(struct se_hba *, const char *); | |
19 | int (*configure_device)(struct se_device *); | |
20 | void (*free_device)(struct se_device *device); | |
21 | ||
22 | ssize_t (*set_configfs_dev_params)(struct se_device *, | |
23 | const char *, ssize_t); | |
24 | ssize_t (*show_configfs_dev_params)(struct se_device *, char *); | |
25 | ||
d5829eac PB |
26 | void (*transport_complete)(struct se_cmd *cmd, |
27 | struct scatterlist *, | |
28 | unsigned char *); | |
d6e0175c | 29 | |
de103c93 | 30 | sense_reason_t (*parse_cdb)(struct se_cmd *cmd); |
c4795fb2 CH |
31 | u32 (*get_device_type)(struct se_device *); |
32 | sector_t (*get_blocks)(struct se_device *); | |
7f7caf6a AG |
33 | sector_t (*get_alignment_offset_lbas)(struct se_device *); |
34 | /* lbppbe = logical blocks per physical block exponent. see SBC-3 */ | |
35 | unsigned int (*get_lbppbe)(struct se_device *); | |
36 | unsigned int (*get_io_min)(struct se_device *); | |
37 | unsigned int (*get_io_opt)(struct se_device *); | |
5787cacd | 38 | unsigned char *(*get_sense_buffer)(struct se_cmd *); |
d0c8b259 | 39 | bool (*get_write_cache)(struct se_device *); |
ce65e5b9 NB |
40 | int (*init_prot)(struct se_device *); |
41 | int (*format_prot)(struct se_device *); | |
42 | void (*free_prot)(struct se_device *); | |
73112edc | 43 | |
0a06d430 | 44 | struct configfs_attribute **tb_dev_attrib_attrs; |
c4795fb2 CH |
45 | }; |
46 | ||
9e999a6c | 47 | struct sbc_ops { |
a82a9538 NB |
48 | sense_reason_t (*execute_rw)(struct se_cmd *cmd, struct scatterlist *, |
49 | u32, enum dma_data_direction); | |
de103c93 CH |
50 | sense_reason_t (*execute_sync_cache)(struct se_cmd *cmd); |
51 | sense_reason_t (*execute_write_same)(struct se_cmd *cmd); | |
62e46942 CH |
52 | sense_reason_t (*execute_unmap)(struct se_cmd *cmd, |
53 | sector_t lba, sector_t nolb); | |
0c2ad7d1 CH |
54 | }; |
55 | ||
0a06d430 CH |
56 | int transport_backend_register(const struct target_backend_ops *); |
57 | void target_backend_unregister(const struct target_backend_ops *); | |
c4795fb2 | 58 | |
6bb35e00 | 59 | void target_complete_cmd(struct se_cmd *, u8); |
2426bd45 | 60 | void target_complete_cmd_with_length(struct se_cmd *, u8, int); |
c4795fb2 | 61 | |
de103c93 CH |
62 | sense_reason_t spc_parse_cdb(struct se_cmd *cmd, unsigned int *size); |
63 | sense_reason_t spc_emulate_report_luns(struct se_cmd *cmd); | |
0dfa1c5d HR |
64 | sense_reason_t spc_emulate_inquiry_std(struct se_cmd *, unsigned char *); |
65 | sense_reason_t spc_emulate_evpd_83(struct se_cmd *, unsigned char *); | |
d6e0175c | 66 | |
de103c93 | 67 | sense_reason_t sbc_parse_cdb(struct se_cmd *cmd, struct sbc_ops *ops); |
6f23ac8a CH |
68 | u32 sbc_get_device_rev(struct se_device *dev); |
69 | u32 sbc_get_device_type(struct se_device *dev); | |
972b29c8 | 70 | sector_t sbc_get_write_same_sectors(struct se_cmd *cmd); |
66a3d5bc | 71 | void sbc_dif_generate(struct se_cmd *); |
f75b6fae | 72 | sense_reason_t sbc_dif_verify(struct se_cmd *, sector_t, unsigned int, |
41861fa8 | 73 | unsigned int, struct scatterlist *, int); |
f75b6fae SG |
74 | void sbc_dif_copy_prot(struct se_cmd *, unsigned int, bool, |
75 | struct scatterlist *, int); | |
c4795fb2 CH |
76 | void transport_set_vpd_proto_id(struct t10_vpd *, unsigned char *); |
77 | int transport_set_vpd_assoc(struct t10_vpd *, unsigned char *); | |
78 | int transport_set_vpd_ident_type(struct t10_vpd *, unsigned char *); | |
79 | int transport_set_vpd_ident(struct t10_vpd *, unsigned char *); | |
80 | ||
5873c4d1 CH |
81 | extern struct configfs_attribute *sbc_attrib_attrs[]; |
82 | extern struct configfs_attribute *passthrough_attrib_attrs[]; | |
83 | ||
c4795fb2 | 84 | /* core helpers also used by command snooping in pscsi */ |
4949314c AG |
85 | void *transport_kmap_data_sg(struct se_cmd *); |
86 | void transport_kunmap_data_sg(struct se_cmd *); | |
c5ff8d6b NB |
87 | /* core helpers also used by xcopy during internal command setup */ |
88 | int target_alloc_sgl(struct scatterlist **, unsigned int *, u32, bool); | |
89 | sense_reason_t transport_generic_map_mem_to_cmd(struct se_cmd *, | |
90 | struct scatterlist *, u32, struct scatterlist *, u32); | |
c4795fb2 | 91 | |
29a05dee | 92 | bool target_lun_is_rdonly(struct se_cmd *); |
7bfea53b AG |
93 | sense_reason_t passthrough_parse_cdb(struct se_cmd *cmd, |
94 | sense_reason_t (*exec_cmd)(struct se_cmd *cmd)); | |
d30cd123 | 95 | |
4e4937e8 | 96 | bool target_sense_desc_format(struct se_device *dev); |
8a9ebe71 MC |
97 | sector_t target_to_linux_sector(struct se_device *dev, sector_t lb); |
98 | bool target_configure_unmap_from_queue(struct se_dev_attrib *attrib, | |
99 | struct request_queue *q, int block_size); | |
4e4937e8 | 100 | |
c4795fb2 | 101 | #endif /* TARGET_CORE_BACKEND_H */ |