1 #ifndef TARGET_CORE_BACKEND_H
2 #define TARGET_CORE_BACKEND_H
4 #define TRANSPORT_PLUGIN_PHBA_PDEV 1
5 #define TRANSPORT_PLUGIN_VHBA_PDEV 2
6 #define TRANSPORT_PLUGIN_VHBA_VDEV 3
8 struct se_subsystem_api
{
9 struct list_head sub_api_list
;
12 char inquiry_prod
[16];
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);
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
);
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 *);
30 void (*transport_complete
)(struct se_cmd
*cmd
,
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 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
*);
42 unsigned char *(*get_sense_buffer
)(struct se_cmd
*);
43 bool (*get_write_cache
)(struct se_device
*);
47 sense_reason_t (*execute_rw
)(struct se_cmd
*cmd
, struct scatterlist
*,
48 u32
, enum dma_data_direction
);
49 sense_reason_t (*execute_sync_cache
)(struct se_cmd
*cmd
);
50 sense_reason_t (*execute_write_same
)(struct se_cmd
*cmd
);
51 sense_reason_t (*execute_write_same_unmap
)(struct se_cmd
*cmd
);
52 sense_reason_t (*execute_unmap
)(struct se_cmd
*cmd
);
55 int transport_subsystem_register(struct se_subsystem_api
*);
56 void transport_subsystem_release(struct se_subsystem_api
*);
58 void target_complete_cmd(struct se_cmd
*, u8
);
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
);
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 *);
65 sense_reason_t
sbc_parse_cdb(struct se_cmd
*cmd
, struct sbc_ops
*ops
);
66 u32
sbc_get_device_rev(struct se_device
*dev
);
67 u32
sbc_get_device_type(struct se_device
*dev
);
68 sector_t
sbc_get_write_same_sectors(struct se_cmd
*cmd
);
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
),
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 *);
79 /* core helpers also used by command snooping in pscsi */
80 void *transport_kmap_data_sg(struct se_cmd
*);
81 void transport_kunmap_data_sg(struct se_cmd
*);
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
);
87 void array_free(void *array
, int n
);
89 #endif /* TARGET_CORE_BACKEND_H */