| /* |
| * This file is auto-generated. Modifications will be lost. |
| * |
| * See https://android.googlesource.com/platform/bionic/+/master/libc/kernel/ |
| * for more information. |
| */ |
| #ifndef _LINUX_VIRTIO_BLK_H |
| #define _LINUX_VIRTIO_BLK_H |
| #include <linux/types.h> |
| #include <linux/virtio_ids.h> |
| #include <linux/virtio_config.h> |
| #include <linux/virtio_types.h> |
| #define VIRTIO_BLK_F_SIZE_MAX 1 |
| #define VIRTIO_BLK_F_SEG_MAX 2 |
| #define VIRTIO_BLK_F_GEOMETRY 4 |
| #define VIRTIO_BLK_F_RO 5 |
| #define VIRTIO_BLK_F_BLK_SIZE 6 |
| #define VIRTIO_BLK_F_TOPOLOGY 10 |
| #define VIRTIO_BLK_F_MQ 12 |
| #define VIRTIO_BLK_F_DISCARD 13 |
| #define VIRTIO_BLK_F_WRITE_ZEROES 14 |
| #define VIRTIO_BLK_F_SECURE_ERASE 16 |
| #define VIRTIO_BLK_F_ZONED 17 |
| #ifndef VIRTIO_BLK_NO_LEGACY |
| #define VIRTIO_BLK_F_BARRIER 0 |
| #define VIRTIO_BLK_F_SCSI 7 |
| #define VIRTIO_BLK_F_FLUSH 9 |
| #define VIRTIO_BLK_F_CONFIG_WCE 11 |
| #define VIRTIO_BLK_F_WCE VIRTIO_BLK_F_FLUSH |
| #endif |
| #define VIRTIO_BLK_ID_BYTES 20 |
| struct virtio_blk_config { |
| __virtio64 capacity; |
| __virtio32 size_max; |
| __virtio32 seg_max; |
| struct virtio_blk_geometry { |
| __virtio16 cylinders; |
| __u8 heads; |
| __u8 sectors; |
| } geometry; |
| __virtio32 blk_size; |
| __u8 physical_block_exp; |
| __u8 alignment_offset; |
| __virtio16 min_io_size; |
| __virtio32 opt_io_size; |
| __u8 wce; |
| __u8 unused; |
| __virtio16 num_queues; |
| __virtio32 max_discard_sectors; |
| __virtio32 max_discard_seg; |
| __virtio32 discard_sector_alignment; |
| __virtio32 max_write_zeroes_sectors; |
| __virtio32 max_write_zeroes_seg; |
| __u8 write_zeroes_may_unmap; |
| __u8 unused1[3]; |
| __virtio32 max_secure_erase_sectors; |
| __virtio32 max_secure_erase_seg; |
| __virtio32 secure_erase_sector_alignment; |
| struct virtio_blk_zoned_characteristics { |
| __virtio32 zone_sectors; |
| __virtio32 max_open_zones; |
| __virtio32 max_active_zones; |
| __virtio32 max_append_sectors; |
| __virtio32 write_granularity; |
| __u8 model; |
| __u8 unused2[3]; |
| } zoned; |
| } __attribute__((packed)); |
| #define VIRTIO_BLK_T_IN 0 |
| #define VIRTIO_BLK_T_OUT 1 |
| #ifndef VIRTIO_BLK_NO_LEGACY |
| #define VIRTIO_BLK_T_SCSI_CMD 2 |
| #endif |
| #define VIRTIO_BLK_T_FLUSH 4 |
| #define VIRTIO_BLK_T_GET_ID 8 |
| #define VIRTIO_BLK_T_DISCARD 11 |
| #define VIRTIO_BLK_T_WRITE_ZEROES 13 |
| #define VIRTIO_BLK_T_SECURE_ERASE 14 |
| #define VIRTIO_BLK_T_ZONE_APPEND 15 |
| #define VIRTIO_BLK_T_ZONE_REPORT 16 |
| #define VIRTIO_BLK_T_ZONE_OPEN 18 |
| #define VIRTIO_BLK_T_ZONE_CLOSE 20 |
| #define VIRTIO_BLK_T_ZONE_FINISH 22 |
| #define VIRTIO_BLK_T_ZONE_RESET 24 |
| #define VIRTIO_BLK_T_ZONE_RESET_ALL 26 |
| #ifndef VIRTIO_BLK_NO_LEGACY |
| #define VIRTIO_BLK_T_BARRIER 0x80000000 |
| #endif |
| struct virtio_blk_outhdr { |
| __virtio32 type; |
| __virtio32 ioprio; |
| __virtio64 sector; |
| }; |
| #define VIRTIO_BLK_Z_NONE 0 |
| #define VIRTIO_BLK_Z_HM 1 |
| #define VIRTIO_BLK_Z_HA 2 |
| struct virtio_blk_zone_descriptor { |
| __virtio64 z_cap; |
| __virtio64 z_start; |
| __virtio64 z_wp; |
| __u8 z_type; |
| __u8 z_state; |
| __u8 reserved[38]; |
| }; |
| struct virtio_blk_zone_report { |
| __virtio64 nr_zones; |
| __u8 reserved[56]; |
| struct virtio_blk_zone_descriptor zones[]; |
| }; |
| #define VIRTIO_BLK_ZT_CONV 1 |
| #define VIRTIO_BLK_ZT_SWR 2 |
| #define VIRTIO_BLK_ZT_SWP 3 |
| #define VIRTIO_BLK_ZS_NOT_WP 0 |
| #define VIRTIO_BLK_ZS_EMPTY 1 |
| #define VIRTIO_BLK_ZS_IOPEN 2 |
| #define VIRTIO_BLK_ZS_EOPEN 3 |
| #define VIRTIO_BLK_ZS_CLOSED 4 |
| #define VIRTIO_BLK_ZS_RDONLY 13 |
| #define VIRTIO_BLK_ZS_FULL 14 |
| #define VIRTIO_BLK_ZS_OFFLINE 15 |
| #define VIRTIO_BLK_WRITE_ZEROES_FLAG_UNMAP 0x00000001 |
| struct virtio_blk_discard_write_zeroes { |
| __le64 sector; |
| __le32 num_sectors; |
| __le32 flags; |
| }; |
| #ifndef VIRTIO_BLK_NO_LEGACY |
| struct virtio_scsi_inhdr { |
| __virtio32 errors; |
| __virtio32 data_len; |
| __virtio32 sense_len; |
| __virtio32 residual; |
| }; |
| #endif |
| #define VIRTIO_BLK_S_OK 0 |
| #define VIRTIO_BLK_S_IOERR 1 |
| #define VIRTIO_BLK_S_UNSUPP 2 |
| #define VIRTIO_BLK_S_ZONE_INVALID_CMD 3 |
| #define VIRTIO_BLK_S_ZONE_UNALIGNED_WP 4 |
| #define VIRTIO_BLK_S_ZONE_OPEN_RESOURCE 5 |
| #define VIRTIO_BLK_S_ZONE_ACTIVE_RESOURCE 6 |
| #endif |