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Lines 1-5
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/* |
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/* |
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* QEMU IDE disk and CD-ROM Emulator |
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* QEMU IDE disk and CD/DVD-ROM Emulator |
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* |
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* |
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* Copyright (c) 2003 Fabrice Bellard |
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* Copyright (c) 2003 Fabrice Bellard |
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* Copyright (c) 2006 Openedhand Ltd. |
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* Copyright (c) 2006 Openedhand Ltd. |
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Lines 284-289
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* of MODE_SENSE_POWER_PAGE */ |
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* of MODE_SENSE_POWER_PAGE */ |
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#define GPMODE_CDROM_PAGE 0x0d |
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#define GPMODE_CDROM_PAGE 0x0d |
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/* |
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* Based on values from <linux/cdrom.h> but extending CD_MINS |
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* to the maximum common size allowed by the Orange's Book ATIP |
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* |
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* 90 and 99 min CDs are also available but using them as the |
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* upper limit reduces the effectiveness of the heuristic to |
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* detect DVDs burned to less than 25% of their maximum capacity |
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*/ |
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/* Some generally useful CD-ROM information */ |
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#define CD_MINS 80 /* max. minutes per CD */ |
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#define CD_SECS 60 /* seconds per minute */ |
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#define CD_FRAMES 75 /* frames per second */ |
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#define CD_FRAMESIZE 2048 /* bytes per frame, "cooked" mode */ |
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#define CD_MAX_BYTES (CD_MINS * CD_SECS * CD_FRAMES * CD_FRAMESIZE) |
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#define CD_MAX_SECTORS (CD_MAX_BYTES / 512) |
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/* |
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* The MMC values are not IDE specific and might need to be moved |
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* to a common header if they are also needed for the SCSI emulation |
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*/ |
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/* Profile list from MMC-6 revision 1 table 91 */ |
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#define MMC_PROFILE_NONE 0x0000 |
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#define MMC_PROFILE_CD_ROM 0x0008 |
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#define MMC_PROFILE_CD_R 0x0009 |
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#define MMC_PROFILE_CD_RW 0x000A |
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#define MMC_PROFILE_DVD_ROM 0x0010 |
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#define MMC_PROFILE_DVD_R_SR 0x0011 |
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#define MMC_PROFILE_DVD_RAM 0x0012 |
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#define MMC_PROFILE_DVD_RW_RO 0x0013 |
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#define MMC_PROFILE_DVD_RW_SR 0x0014 |
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#define MMC_PROFILE_DVD_R_DL_SR 0x0015 |
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#define MMC_PROFILE_DVD_R_DL_JR 0x0016 |
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#define MMC_PROFILE_DVD_RW_DL 0x0017 |
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#define MMC_PROFILE_DVD_DDR 0x0018 |
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#define MMC_PROFILE_DVD_PLUS_RW 0x001A |
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#define MMC_PROFILE_DVD_PLUS_R 0x001B |
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#define MMC_PROFILE_DVD_PLUS_RW_DL 0x002A |
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#define MMC_PROFILE_DVD_PLUS_R_DL 0x002B |
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#define MMC_PROFILE_BD_ROM 0x0040 |
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#define MMC_PROFILE_BD_R_SRM 0x0041 |
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#define MMC_PROFILE_BD_R_RRM 0x0042 |
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#define MMC_PROFILE_BD_RE 0x0043 |
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#define MMC_PROFILE_HDDVD_ROM 0x0050 |
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#define MMC_PROFILE_HDDVD_R 0x0051 |
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#define MMC_PROFILE_HDDVD_RAM 0x0052 |
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#define MMC_PROFILE_HDDVD_RW 0x0053 |
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#define MMC_PROFILE_HDDVD_R_DL 0x0058 |
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#define MMC_PROFILE_HDDVD_RW_DL 0x005A |
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#define MMC_PROFILE_INVALID 0xFFFF |
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#define ATAPI_INT_REASON_CD 0x01 /* 0 = data transfer */ |
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#define ATAPI_INT_REASON_CD 0x01 /* 0 = data transfer */ |
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#define ATAPI_INT_REASON_IO 0x02 /* 1 = transfer to the host */ |
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#define ATAPI_INT_REASON_IO 0x02 /* 1 = transfer to the host */ |
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#define ATAPI_INT_REASON_REL 0x04 |
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#define ATAPI_INT_REASON_REL 0x04 |
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Lines 540-546
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| 540 |
put_le16(p + 21, 512); /* cache size in sectors */ |
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put_le16(p + 21, 512); /* cache size in sectors */ |
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put_le16(p + 22, 4); /* ecc bytes */ |
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put_le16(p + 22, 4); /* ecc bytes */ |
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padstr((char *)(p + 23), QEMU_VERSION, 8); /* firmware version */ |
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padstr((char *)(p + 23), QEMU_VERSION, 8); /* firmware version */ |
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padstr((char *)(p + 27), "QEMU CD-ROM", 40); /* model */ |
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padstr((char *)(p + 27), "QEMU DVD-ROM", 40); /* model */ |
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put_le16(p + 48, 1); /* dword I/O (XXX: should not be set on CDROM) */ |
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put_le16(p + 48, 1); /* dword I/O (XXX: should not be set on CDROM) */ |
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#ifdef USE_DMA_CDROM |
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#ifdef USE_DMA_CDROM |
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put_le16(p + 49, 1 << 9 | 1 << 8); /* DMA and LBA supported */ |
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put_le16(p + 49, 1 << 9 | 1 << 8); /* DMA and LBA supported */ |
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Lines 1290-1295
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| 1290 |
} |
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} |
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} |
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} |
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1344 |
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static inline uint8_t ide_atapi_set_profile(uint8_t *buf, uint8_t *index, |
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uint16_t profile) |
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{ |
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uint8_t *buf_profile = buf + 12; /* start of profiles */ |
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buf_profile += ((*index) * 4); /* start of indexed profile */ |
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cpu_to_ube16 (buf_profile, profile); |
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buf_profile[2] = ((buf_profile[0] == buf[6]) && (buf_profile[1] == buf[7])); |
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/* each profile adds 4 bytes to the response */ |
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(*index)++; |
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buf[11] += 4; /* Additional Length */ |
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return 4; |
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} |
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static void ide_atapi_cmd(IDEState *s) |
1361 |
static void ide_atapi_cmd(IDEState *s) |
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{ |
1362 |
{ |
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const uint8_t *packet; |
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const uint8_t *packet; |
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Lines 1634-1646
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| 1634 |
buf[6] = 0; /* reserved */ |
1702 |
buf[6] = 0; /* reserved */ |
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buf[7] = 0; /* reserved */ |
1703 |
buf[7] = 0; /* reserved */ |
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padstr8(buf + 8, 8, "QEMU"); |
1704 |
padstr8(buf + 8, 8, "QEMU"); |
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padstr8(buf + 16, 16, "QEMU CD-ROM"); |
1705 |
padstr8(buf + 16, 16, "QEMU DVD-ROM"); |
| 1638 |
padstr8(buf + 32, 4, QEMU_VERSION); |
1706 |
padstr8(buf + 32, 4, QEMU_VERSION); |
| 1639 |
ide_atapi_cmd_reply(s, 36, max_len); |
1707 |
ide_atapi_cmd_reply(s, 36, max_len); |
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break; |
1708 |
break; |
| 1641 |
case GPCMD_GET_CONFIGURATION: |
1709 |
case GPCMD_GET_CONFIGURATION: |
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{ |
1710 |
{ |
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uint64_t total_sectors; |
1711 |
uint32_t len; |
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1712 |
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/* only feature 0 is supported */ |
1713 |
/* only feature 0 is supported */ |
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if (packet[2] != 0 || packet[3] != 0) { |
1714 |
if (packet[2] != 0 || packet[3] != 0) { |
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Lines 1648-1664
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ASC_INV_FIELD_IN_CMD_PACKET); |
1716 |
ASC_INV_FIELD_IN_CMD_PACKET); |
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break; |
1717 |
break; |
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} |
1718 |
} |
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memset(buf, 0, 32); |
1719 |
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bdrv_get_geometry(s->bs, &total_sectors); |
1720 |
/* XXX: could result in alignment problems in some architectures */ |
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buf[3] = 16; |
1721 |
max_len = ube16_to_cpu(packet + 7); |
| 1654 |
buf[7] = total_sectors <= 1433600 ? 0x08 : 0x10; /* current profile */ |
1722 |
/* |
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buf[10] = 0x10 | 0x1; |
1723 |
* XXX: avoid overflow for io_buffer if max_len is bigger than the |
| 1656 |
buf[11] = 0x08; /* size of profile list */ |
1724 |
* size of that buffer (dimensioned to max number of sectors |
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buf[13] = 0x10; /* DVD-ROM profile */ |
1725 |
* to transfer at once) |
| 1658 |
buf[14] = buf[7] == 0x10; /* (in)active */ |
1726 |
* |
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buf[17] = 0x08; /* CD-ROM profile */ |
1727 |
* Only a problem if the feature/profiles grow exponentially. |
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buf[18] = buf[7] == 0x08; /* (in)active */ |
1728 |
*/ |
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ide_atapi_cmd_reply(s, 32, 32); |
1729 |
if (max_len > 512) /* XXX: assume 1 sector */ |
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1730 |
max_len = 512; |
| 1731 |
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| 1732 |
memset(buf, 0, max_len); |
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/* |
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* the number of sectors from the media tells us which profile |
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* to use as current. 0 means there is no media |
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* |
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* XXX: fails to detect correctly DVDs with less data burned |
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* than what a CD can hold |
| 1739 |
*/ |
| 1740 |
if ((s -> nb_sectors)) { |
| 1741 |
if ((s -> nb_sectors > CD_MAX_SECTORS)) |
| 1742 |
cpu_to_ube16(buf + 6, MMC_PROFILE_DVD_ROM); |
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else |
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cpu_to_ube16(buf + 6, MMC_PROFILE_CD_ROM); |
| 1745 |
} |
| 1746 |
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| 1747 |
len = 8; /* header completed */ |
| 1748 |
if (max_len > len) { |
| 1749 |
uint8_t index = 0; |
| 1750 |
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| 1751 |
buf[10] = 0x02 | 0x01; /* persistent and current */ |
| 1752 |
len += 4; /* header */ |
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len += ide_atapi_set_profile(buf, &index, MMC_PROFILE_DVD_ROM); |
| 1754 |
len += ide_atapi_set_profile(buf, &index, MMC_PROFILE_CD_ROM); |
| 1755 |
} |
| 1756 |
cpu_to_ube32(buf, len - 4); /* data length */ |
| 1757 |
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| 1758 |
ide_atapi_cmd_reply(s, len, max_len); |
| 1662 |
break; |
1759 |
break; |
| 1663 |
} |
1760 |
} |
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default: |
1761 |
default: |
