On 11/02/2011 02:00 PM, Michael S. Tsirkin wrote:
> When SCSI passthrough is being used by the guest with virtio-blk, the
> guest is not able to detect disk failures. This is because the status
> field is expected by the guest driver to include also the msg_status,
> host_status and driver_status fields, but the device is only passing
> down the SCSI status.
>
> The patch fixes this, and also makes sure that the guest always sees a
> CHECK_CONDITION status when there is valid sense data.
Do the bit offsets happen to be defined in some header?
Nope, the closest match is
#define msg_byte(result) (((result) >> 8) & 0xff)
#define host_byte(result) (((result) >> 16) & 0xff)
#define driver_byte(result) (((result) >> 24) & 0xff)
in Linux scsi/scsi.h
Also, Signed-off-by is missing?
Ugh.
Signed-off-by: Paolo Bonzini <pbonz...@redhat.com>
Paolo
