@@ -462,8 +462,12 @@ static int scsi_disk_emulate_inquiry(SCS
memcpy(&outbuf, "QEMU ", 8);
memcpy(&outbuf, 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 = 5;
outbuf = 2; /* Format 2 */