projects / deliverable / linux.git / blame
| 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); | |
| cd063bef | 52 | sense_reason_t (*execute_write_same_unmap)(struct se_cmd *cmd); |
| de103c93 | 53 | sense_reason_t (*execute_unmap)(struct se_cmd *cmd); |
| 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); |
| 86d71829 AH |
71 | sense_reason_t sbc_execute_unmap(struct se_cmd *cmd, |
| 72 | sense_reason_t (*do_unmap_fn)(struct se_cmd *cmd, void *priv, | |
| 73 | sector_t lba, sector_t nolb), | |
| 74 | void *priv); | |
| 66a3d5bc | 75 | void sbc_dif_generate(struct se_cmd *); |
| f75b6fae | 76 | sense_reason_t sbc_dif_verify(struct se_cmd *, sector_t, unsigned int, |
| 41861fa8 | 77 | unsigned int, struct scatterlist *, int); |
| f75b6fae SG |
78 | void sbc_dif_copy_prot(struct se_cmd *, unsigned int, bool, |
| 79 | struct scatterlist *, int); | |
| c4795fb2 CH |
80 | void transport_set_vpd_proto_id(struct t10_vpd *, unsigned char *); |
| 81 | int transport_set_vpd_assoc(struct t10_vpd *, unsigned char *); | |
| 82 | int transport_set_vpd_ident_type(struct t10_vpd *, unsigned char *); | |
| 83 | int transport_set_vpd_ident(struct t10_vpd *, unsigned char *); | |
| 84 | ||
| 85 | /* core helpers also used by command snooping in pscsi */ | |
| 4949314c AG |
86 | void *transport_kmap_data_sg(struct se_cmd *); |
| 87 | void transport_kunmap_data_sg(struct se_cmd *); | |
| c5ff8d6b NB |
88 | /* core helpers also used by xcopy during internal command setup */ |
| 89 | int target_alloc_sgl(struct scatterlist **, unsigned int *, u32, bool); | |
| 90 | sense_reason_t transport_generic_map_mem_to_cmd(struct se_cmd *, | |
| 91 | struct scatterlist *, u32, struct scatterlist *, u32); | |
| c4795fb2 | 92 | |
| 29a05dee | 93 | bool target_lun_is_rdonly(struct se_cmd *); |
| 4a5a75f3 | 94 | |
| d30cd123 | 95 | /* attribute helpers from target_core_device.c for backend drivers */ |
| 9bc6548f | 96 | bool se_dev_check_wce(struct se_device *); |
| d30cd123 NB |
97 | int se_dev_set_max_unmap_lba_count(struct se_device *, u32); |
| 98 | int se_dev_set_max_unmap_block_desc_count(struct se_device *, u32); | |
| 99 | int se_dev_set_unmap_granularity(struct se_device *, u32); | |
| 100 | int se_dev_set_unmap_granularity_alignment(struct se_device *, u32); | |
| 101 | int se_dev_set_max_write_same_len(struct se_device *, u32); | |
| 102 | int se_dev_set_emulate_model_alias(struct se_device *, int); | |
| 103 | int se_dev_set_emulate_dpo(struct se_device *, int); | |
| 104 | int se_dev_set_emulate_fua_write(struct se_device *, int); | |
| 105 | int se_dev_set_emulate_fua_read(struct se_device *, int); | |
| 106 | int se_dev_set_emulate_write_cache(struct se_device *, int); | |
| 107 | int se_dev_set_emulate_ua_intlck_ctrl(struct se_device *, int); | |
| 108 | int se_dev_set_emulate_tas(struct se_device *, int); | |
| 109 | int se_dev_set_emulate_tpu(struct se_device *, int); | |
| 110 | int se_dev_set_emulate_tpws(struct se_device *, int); | |
| 111 | int se_dev_set_emulate_caw(struct se_device *, int); | |
| 112 | int se_dev_set_emulate_3pc(struct se_device *, int); | |
| 113 | int se_dev_set_pi_prot_type(struct se_device *, int); | |
| 114 | int se_dev_set_pi_prot_format(struct se_device *, int); | |
| 115 | int se_dev_set_enforce_pr_isids(struct se_device *, int); | |
| 116 | int se_dev_set_force_pr_aptpl(struct se_device *, int); | |
| 117 | int se_dev_set_is_nonrot(struct se_device *, int); | |
| 118 | int se_dev_set_emulate_rest_reord(struct se_device *dev, int); | |
| 119 | int se_dev_set_queue_depth(struct se_device *, u32); | |
| 120 | int se_dev_set_max_sectors(struct se_device *, u32); | |
| d30cd123 NB |
121 | int se_dev_set_optimal_sectors(struct se_device *, u32); |
| 122 | int se_dev_set_block_size(struct se_device *, u32); | |
| 7bfea53b AG |
123 | sense_reason_t passthrough_parse_cdb(struct se_cmd *cmd, |
| 124 | sense_reason_t (*exec_cmd)(struct se_cmd *cmd)); | |
| d30cd123 | 125 | |
| c4795fb2 | 126 | #endif /* TARGET_CORE_BACKEND_H */ |