This patch produces the following error when booting Solaris/SPARC:
WARNING: /iommu@0,10000000/sbus@0,10001000/espdma@5,8400000/esp@5,8800000
(esp0):
data transfer overrun: current esp state:
esp: State=DATA Last State=DATA_DONE
esp: Latched stat=0x91<IPND,XZERO,IO> intr=0x10<BUS> fifo 0x0
esp: last msg out: IDENTIFY; last msg in: COMMAND COMPLETE
esp: DMA csr=0xa4240030<FLSH,INTEN>
esp: addr=fc005860 dmacnt=0 last=fc005858 last_cnt=8
esp: Cmd dump for Target 6 Lun 0:
esp: cdblen=10, cdb=[ 0x46 0x2 0x0 0x0 0x0 0x0 0x0 0x0 0x8 0x0 ]
esp: pkt_state=0xf<XFER,CMD,SEL,ARB> pkt_flags=0x10000
pkt_statistics=0x0
esp: cmd_flags=0x462 cmd_timeout=60
Particularly it seems that Solaris is not happy with respose length
>8. Any idea, why?
$ sparc-softmmu/qemu-system-sparc -bios ~/ss5-170.bin -m 32 -nographic
-drive if=scsi,unit=6,media=cdrom,file=~/Solaris9cd1.iso
On 10/25/11, Paolo Bonzini <pbonz...@redhat.com> wrote:
> Signed-off-by: Paolo Bonzini <pbonz...@redhat.com>
> ---
> v1->v2: fix comment for outbuf[8]-outbuf[19]
>
> hw/scsi-disk.c | 50 ++++++++++++++++++++++++++++++++++++++++++--------
> 1 files changed, 42 insertions(+), 8 deletions(-)
>
> diff --git a/hw/scsi-disk.c b/hw/scsi-disk.c
> index 8f25e29..69af2e3 100644
> --- a/hw/scsi-disk.c
> +++ b/hw/scsi-disk.c
> @@ -567,6 +567,19 @@ static int scsi_disk_emulate_inquiry(SCSIRequest *req,
> uint8_t *outbuf)
> return buflen;
> }
>
> +static inline bool media_is_dvd(SCSIDiskState *s)
> +{
> + uint64_t nb_sectors;
> + if (s->qdev.type != TYPE_ROM) {
> + return false;
> + }
> + if (!bdrv_is_inserted(s->bs)) {
> + return false;
> + }
> + bdrv_get_geometry(s->bs, &nb_sectors);
> + return nb_sectors > CD_MAX_SECTORS;
> +}
> +
> static int scsi_read_dvd_structure(SCSIDiskState *s, SCSIDiskReq *r,
> uint8_t *outbuf)
> {
> @@ -581,17 +594,38 @@ static int
> scsi_get_event_status_notification(SCSIDiskState *s,
> return -1;
> }
>
> -static int scsi_get_configuration(SCSIDiskState *s, SCSIDiskReq *r,
> - uint8_t *outbuf)
> +static int scsi_get_configuration(SCSIDiskState *s, uint8_t *outbuf)
> {
> + int current;
> +
> if (s->qdev.type != TYPE_ROM) {
> return -1;
> }
> - memset(outbuf, 0, 8);
> - /* ??? This should probably return much more information. For now
> - just return the basic header indicating the CD-ROM profile. */
> - outbuf[7] = 8; /* CD-ROM */
> - return 8;
> + current = media_is_dvd(s) ? MMC_PROFILE_DVD_ROM : MMC_PROFILE_CD_ROM;
> + memset(outbuf, 0, 40);
> + stl_be_p(&outbuf[0], 36); /* Bytes after the data length field */
> + stw_be_p(&outbuf[6], current);
> + /* outbuf[8] - outbuf[19]: Feature 0 - Profile list */
> + outbuf[10] = 0x03; /* persistent, current */
> + outbuf[11] = 8; /* two profiles */
> + stw_be_p(&outbuf[12], MMC_PROFILE_DVD_ROM);
> + outbuf[14] = (current == MMC_PROFILE_DVD_ROM);
> + stw_be_p(&outbuf[16], MMC_PROFILE_CD_ROM);
> + outbuf[18] = (current == MMC_PROFILE_CD_ROM);
> + /* outbuf[20] - outbuf[31]: Feature 1 - Core feature */
> + stw_be_p(&outbuf[20], 1);
> + outbuf[22] = 0x08 | 0x03; /* version 2, persistent, current */
> + outbuf[23] = 8;
> + stl_be_p(&outbuf[24], 1); /* SCSI */
> + outbuf[28] = 1; /* DBE = 1, mandatory */
> + /* outbuf[32] - outbuf[39]: Feature 3 - Removable media feature */
> + stw_be_p(&outbuf[32], 3);
> + outbuf[34] = 0x08 | 0x03; /* version 2, persistent, current */
> + outbuf[35] = 4;
> + outbuf[36] = 0x39; /* tray, load=1, eject=1, unlocked at powerup,
> lock=1 */
> + /* TODO: Random readable, CD read, DVD read, drive serial number,
> + power management */
> + return 40;
> }
>
> static int scsi_emulate_mechanism_status(SCSIDiskState *s, uint8_t *outbuf)
> @@ -1024,7 +1058,7 @@ static int scsi_disk_emulate_command(SCSIDiskReq *r)
> }
> break;
> case GET_CONFIGURATION:
> - buflen = scsi_get_configuration(s, r, outbuf);
> + buflen = scsi_get_configuration(s, outbuf);
> if (buflen < 0) {
> goto illegal_request;
> }
> --
> 1.7.6
>
>
>
>
--
Regards,
Artyom Tarasenko
solaris/sparc under qemu blog: http://tyom.blogspot.com/search/label/qemu
