| /* | |
| * 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 |