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-rw-r--r--hw/scsi/scsi-generic.c14
-rw-r--r--hw/scsi/vhost-scsi.c1
2 files changed, 15 insertions, 0 deletions
diff --git a/hw/scsi/scsi-generic.c b/hw/scsi/scsi-generic.c
index 1b6350be41..a4626f72c1 100644
--- a/hw/scsi/scsi-generic.c
+++ b/hw/scsi/scsi-generic.c
@@ -210,6 +210,20 @@ static void scsi_read_complete(void * opaque, int ret)
}
blk_set_guest_block_size(s->conf.blk, s->blocksize);
+ /* Patch MODE SENSE device specific parameters if the BDS is opened
+ * readonly.
+ */
+ if ((s->type == TYPE_DISK || s->type == TYPE_TAPE) &&
+ blk_is_read_only(s->conf.blk) &&
+ (r->req.cmd.buf[0] == MODE_SENSE ||
+ r->req.cmd.buf[0] == MODE_SENSE_10) &&
+ (r->req.cmd.buf[1] & 0x8) == 0) {
+ if (r->req.cmd.buf[0] == MODE_SENSE) {
+ r->buf[2] |= 0x80;
+ } else {
+ r->buf[3] |= 0x80;
+ }
+ }
scsi_req_data(&r->req, len);
scsi_req_unref(&r->req);
}
diff --git a/hw/scsi/vhost-scsi.c b/hw/scsi/vhost-scsi.c
index bac9ddb1d9..fb7983d9dc 100644
--- a/hw/scsi/vhost-scsi.c
+++ b/hw/scsi/vhost-scsi.c
@@ -26,6 +26,7 @@
#include "hw/virtio/virtio-bus.h"
#include "hw/virtio/virtio-access.h"
#include "hw/fw-path-provider.h"
+#include "linux/vhost.h"
/* Features supported by host kernel. */
static const int kernel_feature_bits[] = {