add virtio-scsi driver

virtio-scsi is a simple HBA that talks to the host via a single
vring.  The implementation looks like a hybrid of usb-msc and
virtio-blk.

Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

1 files changed, 2 insertions, 1 deletions

diff --git a/src/disk.c b/src/disk.c
index 29714d6..7a58af4 100644
--- a/src/disk.c
+++ b/src/disk.c
@@ -551,7 +551,8 @@ disk_1348(struct bregs *regs, struct drive_s *drive_g)
     SET_INT13DPT(regs, blksize, blksize);
 
     if (size < 30 ||
-        (type != DTYPE_ATA && type != DTYPE_ATAPI && type != DTYPE_VIRTIO_BLK)) {
+        (type != DTYPE_ATA && type != DTYPE_ATAPI &&
+         type != DTYPE_VIRTIO_BLK && type != DTYPE_VIRTIO_SCSI)) {
         disk_ret(regs, DISK_RET_SUCCESS);
         return;
     }