diff options
Diffstat (limited to 'hw/scsi-disk.c')
| -rw-r--r-- | hw/scsi-disk.c | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/hw/scsi-disk.c b/hw/scsi-disk.c index 7d85899ca8..c41dcfc78b 100644 --- a/hw/scsi-disk.c +++ b/hw/scsi-disk.c @@ -398,15 +398,20 @@ static int scsi_disk_emulate_inquiry(SCSIRequest *req, uint8_t *outbuf) switch (page_code) { case 0x00: /* Supported page codes, mandatory */ + { + int pages; DPRINTF("Inquiry EVPD[Supported pages] " "buffer size %zd\n", req->cmd.xfer); - outbuf[buflen++] = 4; // number of pages + pages = buflen++; outbuf[buflen++] = 0x00; // list of supported pages (this page) outbuf[buflen++] = 0x80; // unit serial number outbuf[buflen++] = 0x83; // device identification - outbuf[buflen++] = 0xb0; // block device characteristics + if (bdrv_get_type_hint(s->bs) != BDRV_TYPE_CDROM) { + outbuf[buflen++] = 0xb0; // block device characteristics + } + outbuf[pages] = buflen - pages - 1; // number of pages break; - + } case 0x80: /* Device serial number, optional */ { int l = strlen(s->serial); @@ -434,7 +439,7 @@ static int scsi_disk_emulate_inquiry(SCSIRequest *req, uint8_t *outbuf) DPRINTF("Inquiry EVPD[Device identification] " "buffer size %zd\n", req->cmd.xfer); - outbuf[buflen++] = 3 + id_len; + outbuf[buflen++] = 4 + id_len; outbuf[buflen++] = 0x2; // ASCII outbuf[buflen++] = 0; // not officially assigned outbuf[buflen++] = 0; // reserved @@ -451,6 +456,11 @@ static int scsi_disk_emulate_inquiry(SCSIRequest *req, uint8_t *outbuf) unsigned int opt_io_size = s->qdev.conf.opt_io_size / s->qdev.blocksize; + if (bdrv_get_type_hint(s->bs) == BDRV_TYPE_CDROM) { + DPRINTF("Inquiry (EVPD[%02X] not supported for CDROM\n", + page_code); + return -1; + } /* required VPD size with unmap support */ outbuf[3] = buflen = 0x3c; |