diff options
| -rw-r--r-- | hw/scsi/scsi-generic.c | 14 |
1 files changed, 14 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); } |