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authorpbrook <pbrook@c046a42c-6fe2-441c-8c8c-71466251a162>2006-06-03 14:23:34 +0000
committerpbrook <pbrook@c046a42c-6fe2-441c-8c8c-71466251a162>2006-06-03 14:23:34 +0000
commit17acfe326ce2038033934485145ddd2390337986 (patch)
tree1a3d8907f2f8fe4c3d84d616ef7b8a8e42db4246 /hw/scsi-disk.c
parent9f149aa9c1a04117d03de16bb0f8d2dad8c4f8c1 (diff)
More SCSI commands (Blue Swirl).
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1948 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'hw/scsi-disk.c')
-rw-r--r--hw/scsi-disk.c92
1 files changed, 72 insertions, 20 deletions
diff --git a/hw/scsi-disk.c b/hw/scsi-disk.c
index 2268401579..7390805d24 100644
--- a/hw/scsi-disk.c
+++ b/hw/scsi-disk.c
@@ -213,7 +213,7 @@ int32_t scsi_send_command(SCSIDevice *s, uint32_t tag, uint8_t *buf, int lun)
cmdlen = 12;
break;
default:
- BADF("Unsupported command length\n");
+ BADF("Unsupported command length, command %x\n", s->command);
goto fail;
}
#ifdef DEBUG_SCSI
@@ -260,7 +260,9 @@ int32_t scsi_send_command(SCSIDevice *s, uint32_t tag, uint8_t *buf, int lun)
}
memcpy(&s->buf[8], "QEMU ", 8);
memcpy(&s->buf[32], QEMU_VERSION, 4);
- s->buf[2] = 3; /* SCSI-3 */
+ /* Identify device as SCSI-3 rev 1.
+ Some later commands are also implemented. */
+ s->buf[2] = 3;
s->buf[3] = 2; /* Format 2 */
s->buf[4] = 32;
s->buf_len = 36;
@@ -277,27 +279,69 @@ int32_t scsi_send_command(SCSIDevice *s, uint32_t tag, uint8_t *buf, int lun)
break;
case 0x1a:
case 0x5a:
- DPRINTF("Mode Sense (page %d, len %d)\n", buf[2], len);
- if (bdrv_get_type_hint(s->bdrv) == BDRV_TYPE_CDROM) {
- memset(s->buf, 0, 4);
- s->buf[0] = 4; /* Mode data length. */
- s->buf[1] = 0; /* Default media type. */
- s->buf[2] = 0x80; /* Readonly. */
- s->buf[3] = 0; /* Block descriptor length. */
- } else {
- memset(s->buf, 0, 0x16);
- s->buf[0] = 0x16; /* Mode data length (4 + 0x12). */
+ {
+ char *p;
+ int page;
+
+ page = buf[2] & 0x3f;
+ DPRINTF("Mode Sense (page %d, len %d)\n", page, len);
+ p = s->buf;
+ memset(p, 0, 4);
s->buf[1] = 0; /* Default media type. */
- s->buf[2] = 0; /* Write enabled. */
s->buf[3] = 0; /* Block descriptor length. */
- /* Caching page. */
- s->buf[4 + 0] = 8;
- s->buf[4 + 1] = 0x12;
- s->buf[4 + 2] = 4; /* WCE */
- if (len > 0x16)
- len = 0x16;
+ if (bdrv_get_type_hint(s->bdrv) == BDRV_TYPE_CDROM) {
+ s->buf[2] = 0x80; /* Readonly. */
+ }
+ p += 4;
+ if ((page == 8 || page == 0x3f)) {
+ /* Caching page. */
+ p[0] = 8;
+ p[1] = 0x12;
+ p[2] = 4; /* WCE */
+ p += 19;
+ }
+ if ((page == 0x3f || page == 0x2a)
+ && (bdrv_get_type_hint(s->bdrv) == BDRV_TYPE_CDROM)) {
+ /* CD Capabilities and Mechanical Status page. */
+ p[0] = 0x2a;
+ p[1] = 0x14;
+ p[2] = 3; // CD-R & CD-RW read
+ p[3] = 0; // Writing not supported
+ p[4] = 0x7f; /* Audio, composite, digital out,
+ mode 2 form 1&2, multi session */
+ p[5] = 0xff; /* CD DA, DA accurate, RW supported,
+ RW corrected, C2 errors, ISRC,
+ UPC, Bar code */
+ p[6] = 0x2d | (bdrv_is_locked(s->bdrv)? 2 : 0);
+ /* Locking supported, jumper present, eject, tray */
+ p[7] = 0; /* no volume & mute control, no
+ changer */
+ p[8] = (50 * 176) >> 8; // 50x read speed
+ p[9] = (50 * 176) & 0xff;
+ p[10] = 0 >> 8; // No volume
+ p[11] = 0 & 0xff;
+ p[12] = 2048 >> 8; // 2M buffer
+ p[13] = 2048 & 0xff;
+ p[14] = (16 * 176) >> 8; // 16x read speed current
+ p[15] = (16 * 176) & 0xff;
+ p[18] = (16 * 176) >> 8; // 16x write speed
+ p[19] = (16 * 176) & 0xff;
+ p[20] = (16 * 176) >> 8; // 16x write speed current
+ p[21] = (16 * 176) & 0xff;
+ p += 21;
+ }
+ s->buf_len = p - s->buf;
+ s->buf[0] = s->buf_len - 4;
+ if (s->buf_len > len)
+ s->buf_len = len;
}
- s->buf_len = len;
+ break;
+ case 0x1b:
+ DPRINTF("Start Stop Unit\n");
+ break;
+ case 0x1e:
+ DPRINTF("Prevent Allow Medium Removal (prevent = %d)\n", buf[4] & 3);
+ bdrv_set_locked(s->bdrv, buf[4] & 1);
break;
case 0x25:
DPRINTF("Read Capacity\n");
@@ -368,6 +412,14 @@ int32_t scsi_send_command(SCSIDevice *s, uint32_t tag, uint8_t *buf, int lun)
DPRINTF("Read TOC error\n");
goto fail;
}
+ case 0x46:
+ DPRINTF("Get Configuration (rt %d, maxlen %d)\n", buf[1] & 3, len);
+ memset(s->buf, 0, 8);
+ /* ??? This shoud probably return much more information. For now
+ just return the basic header indicating the CD-ROM profile. */
+ s->buf[7] = 8; // CD-ROM
+ s->buf_len = 8;
+ break;
case 0x56:
DPRINTF("Reserve(10)\n");
if (buf[1] & 3)