On Fri, Oct 25, 2019 at 05:36:01PM +0800, Yaowei Bai wrote:
>
> diff --git a/include/tcmu/tcmu.h b/include/tcmu/tcmu.h
> new file mode 100644
> index 000..656a545
> --- /dev/null
> +++ b/include/tcmu/tcmu.h
> @@ -0,0 +1,14 @@
> +#ifndef QEMU_TCMU_H
> +#define QEMU_TCMU_H
> +
> +#include "qemu
This patch emulates COMPARE_AND_WRITE command with the
BDRV_REQ_COMPARE_AND_WRITE flag introduced by last patch. It matches
the SBC-4 standard except the FUA bit support, it'll be finished in
the next patch.
Note that cmd->xfer is set 2 * the number got by scsi_data_cdb_xfer
so we could touch the
