diff options
Diffstat (limited to 'include/target/target_core_backend.h')
| -rw-r--r-- | include/target/target_core_backend.h | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/include/target/target_core_backend.h b/include/target/target_core_backend.h index ffa2696d64dc..39e0114d70c5 100644 --- a/include/target/target_core_backend.h +++ b/include/target/target_core_backend.h @@ -34,12 +34,18 @@ struct se_subsystem_api { sense_reason_t (*parse_cdb)(struct se_cmd *cmd); u32 (*get_device_type)(struct se_device *); sector_t (*get_blocks)(struct se_device *); + sector_t (*get_alignment_offset_lbas)(struct se_device *); + /* lbppbe = logical blocks per physical block exponent. see SBC-3 */ + unsigned int (*get_lbppbe)(struct se_device *); + unsigned int (*get_io_min)(struct se_device *); + unsigned int (*get_io_opt)(struct se_device *); unsigned char *(*get_sense_buffer)(struct se_cmd *); bool (*get_write_cache)(struct se_device *); }; struct sbc_ops { - sense_reason_t (*execute_rw)(struct se_cmd *cmd); + sense_reason_t (*execute_rw)(struct se_cmd *cmd, struct scatterlist *, + u32, enum dma_data_direction); sense_reason_t (*execute_sync_cache)(struct se_cmd *cmd); sense_reason_t (*execute_write_same)(struct se_cmd *cmd); sense_reason_t (*execute_write_same_unmap)(struct se_cmd *cmd); @@ -73,6 +79,10 @@ int transport_set_vpd_ident(struct t10_vpd *, unsigned char *); /* core helpers also used by command snooping in pscsi */ void *transport_kmap_data_sg(struct se_cmd *); void transport_kunmap_data_sg(struct se_cmd *); +/* core helpers also used by xcopy during internal command setup */ +int target_alloc_sgl(struct scatterlist **, unsigned int *, u32, bool); +sense_reason_t transport_generic_map_mem_to_cmd(struct se_cmd *, + struct scatterlist *, u32, struct scatterlist *, u32); void array_free(void *array, int n); |