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| author | Paolo Bonzini <pbonzini@redhat.com> | 2018-03-08 16:17:59 +0100 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2018-03-12 16:12:46 +0100 |
| commit | 4397a018473ae589be959ba93cb491cbd77fe789 (patch) | |
| tree | 237ee0f3aa16d0805f9f3544d1652dcf9ef7e72f /hw/scsi/scsi-bus.c | |
| parent | 05b6cc4ae2efbafad9b45a93bccfcae51d018043 (diff) | |
| download | focaccia-qemu-4397a018473ae589be959ba93cb491cbd77fe789.tar.gz focaccia-qemu-4397a018473ae589be959ba93cb491cbd77fe789.zip | |
scsi: support NDOB (no data-out buffer) for WRITE SAME commands
A NDOB bit set to one specifies that the disk shall not transfer data from the data-out buffer and shall process the command as if the data-out buffer contained user data set to all zeroes. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'hw/scsi/scsi-bus.c')
| -rw-r--r-- | hw/scsi/scsi-bus.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/hw/scsi/scsi-bus.c b/hw/scsi/scsi-bus.c index 1eaeffc830..9646743a7d 100644 --- a/hw/scsi/scsi-bus.c +++ b/hw/scsi/scsi-bus.c @@ -944,7 +944,7 @@ static int scsi_req_xfer(SCSICommand *cmd, SCSIDevice *dev, uint8_t *buf) break; case WRITE_SAME_10: case WRITE_SAME_16: - cmd->xfer = dev->blocksize; + cmd->xfer = buf[1] & 1 ? 0 : dev->blocksize; break; case READ_CAPACITY_10: cmd->xfer = 8; |