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