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-rw-r--r--hw/scsi-disk.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/hw/scsi-disk.c b/hw/scsi-disk.c
index b2f61fea26..bf7efc0bbe 100644
--- a/hw/scsi-disk.c
+++ b/hw/scsi-disk.c
@@ -460,8 +460,12 @@ static int scsi_disk_emulate_inquiry(SCSIRequest *req, uint8_t *outbuf)
}
memcpy(&outbuf[8], "QEMU ", 8);
memcpy(&outbuf[32], s->version ? s->version : QEMU_VERSION, 4);
- /* Identify device as SCSI-3 rev 1.
- Some later commands are also implemented. */
+ /*
+ * We claim conformance to SPC-3, which is required for guests
+ * to ask for modern features like READ CAPACITY(16) or the
+ * block characteristics VPD page by default. Not all of SPC-3
+ * is actually implemented, but we're good enough.
+ */
outbuf[2] = 5;
outbuf[3] = 2; /* Format 2 */