projects / mirror_ubuntu-zesty-kernel.git / blame
| 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 *); |
| ce65e5b9 NB |
44 | int (*init_prot)(struct se_device *); |
| 45 | int (*format_prot)(struct se_device *); | |
| 46 | void (*free_prot)(struct se_device *); | |
| c4795fb2 CH |
47 | }; |
| 48 | ||
| 9e999a6c | 49 | struct sbc_ops { |
| a82a9538 NB |
50 | sense_reason_t (*execute_rw)(struct se_cmd *cmd, struct scatterlist *, |
| 51 | u32, enum dma_data_direction); | |
| de103c93 CH |
52 | sense_reason_t (*execute_sync_cache)(struct se_cmd *cmd); |
| 53 | sense_reason_t (*execute_write_same)(struct se_cmd *cmd); | |
| cd063bef | 54 | sense_reason_t (*execute_write_same_unmap)(struct se_cmd *cmd); |
| de103c93 | 55 | sense_reason_t (*execute_unmap)(struct se_cmd *cmd); |
| 0c2ad7d1 CH |
56 | }; |
| 57 | ||
| c4795fb2 CH |
58 | int transport_subsystem_register(struct se_subsystem_api *); |
| 59 | void transport_subsystem_release(struct se_subsystem_api *); | |
| 60 | ||
| 6bb35e00 | 61 | void target_complete_cmd(struct se_cmd *, u8); |
| c4795fb2 | 62 | |
| de103c93 CH |
63 | sense_reason_t spc_parse_cdb(struct se_cmd *cmd, unsigned int *size); |
| 64 | sense_reason_t spc_emulate_report_luns(struct se_cmd *cmd); | |
| 0dfa1c5d HR |
65 | sense_reason_t spc_emulate_inquiry_std(struct se_cmd *, unsigned char *); |
| 66 | sense_reason_t spc_emulate_evpd_83(struct se_cmd *, unsigned char *); | |
| d6e0175c | 67 | |
| de103c93 | 68 | sense_reason_t sbc_parse_cdb(struct se_cmd *cmd, struct sbc_ops *ops); |
| 6f23ac8a CH |
69 | u32 sbc_get_device_rev(struct se_device *dev); |
| 70 | u32 sbc_get_device_type(struct se_device *dev); | |
| 972b29c8 | 71 | sector_t sbc_get_write_same_sectors(struct se_cmd *cmd); |
| 86d71829 AH |
72 | sense_reason_t sbc_execute_unmap(struct se_cmd *cmd, |
| 73 | sense_reason_t (*do_unmap_fn)(struct se_cmd *cmd, void *priv, | |
| 74 | sector_t lba, sector_t nolb), | |
| 75 | void *priv); | |
| 6f23ac8a | 76 | |
| c4795fb2 CH |
77 | void transport_set_vpd_proto_id(struct t10_vpd *, unsigned char *); |
| 78 | int transport_set_vpd_assoc(struct t10_vpd *, unsigned char *); | |
| 79 | int transport_set_vpd_ident_type(struct t10_vpd *, unsigned char *); | |
| 80 | int transport_set_vpd_ident(struct t10_vpd *, unsigned char *); | |
| 81 | ||
| 82 | /* core helpers also used by command snooping in pscsi */ | |
| 4949314c AG |
83 | void *transport_kmap_data_sg(struct se_cmd *); |
| 84 | void transport_kunmap_data_sg(struct se_cmd *); | |
| c5ff8d6b NB |
85 | /* core helpers also used by xcopy during internal command setup */ |
| 86 | int target_alloc_sgl(struct scatterlist **, unsigned int *, u32, bool); | |
| 87 | sense_reason_t transport_generic_map_mem_to_cmd(struct se_cmd *, | |
| 88 | struct scatterlist *, u32, struct scatterlist *, u32); | |
| c4795fb2 | 89 | |
| 4a5a75f3 JE |
90 | void array_free(void *array, int n); |
| 91 | ||
| c4795fb2 | 92 | #endif /* TARGET_CORE_BACKEND_H */ |