diff options
Diffstat (limited to 'hw/virtio-blk.h')
-rw-r--r-- | hw/virtio-blk.h | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/hw/virtio-blk.h b/hw/virtio-blk.h index 79ebccc..f0740d0 100644 --- a/hw/virtio-blk.h +++ b/hw/virtio-blk.h @@ -31,8 +31,9 @@ #define VIRTIO_BLK_F_BLK_SIZE 6 /* Block size of disk is available*/ #define VIRTIO_BLK_F_SCSI 7 /* Supports scsi command passthru */ /* #define VIRTIO_BLK_F_IDENTIFY 8 ATA IDENTIFY supported, DEPRECATED */ -#define VIRTIO_BLK_F_WCACHE 9 /* write cache enabled */ +#define VIRTIO_BLK_F_WCE 9 /* write cache enabled */ #define VIRTIO_BLK_F_TOPOLOGY 10 /* Topology information is available */ +#define VIRTIO_BLK_F_CONFIG_WCE 11 /* write cache configurable */ #define VIRTIO_BLK_ID_BYTES 20 /* ID string length */ @@ -49,6 +50,7 @@ struct virtio_blk_config uint8_t alignment_offset; uint16_t min_io_size; uint32_t opt_io_size; + uint8_t wce; } QEMU_PACKED; /* These two define direction. */ @@ -102,9 +104,11 @@ struct VirtIOBlkConf BlockConf conf; char *serial; uint32_t scsi; + uint32_t config_wce; }; #define DEFINE_VIRTIO_BLK_FEATURES(_state, _field) \ - DEFINE_VIRTIO_COMMON_FEATURES(_state, _field) + DEFINE_VIRTIO_COMMON_FEATURES(_state, _field), \ + DEFINE_PROP_BIT("config-wce", _state, _field, VIRTIO_BLK_F_CONFIG_WCE, true) #endif |