static void cmd_read_toc_pma_atip(IDEState *s, uint8_t* buf)
{
    int format, msf, start_track, len;
    int max_len;
    uint64_t total_sectors = s->nb_sectors >> 2;

    max_len = lduw_be_p(buf + 7);
    format = buf[9] >> 6;
    msf = (buf[1] >> 1) & 1;
    start_track = buf[6];

    switch(format) {
    case 0:
        len = cdrom_read_toc(total_sectors, buf, msf, start_track);
        if (len < 0)
            goto error_cmd;
        ide_atapi_cmd_reply(s, len, max_len);
        break;
    case 1:
        /* multi session : only a single session defined */
        memset(buf, 0, 12);
        buf[1] = 0x0a;
        buf[2] = 0x01;
        buf[3] = 0x01;
        ide_atapi_cmd_reply(s, 12, max_len);
        break;
    case 2:
        len = cdrom_read_toc_raw(total_sectors, buf, msf, start_track);
        if (len < 0)
            goto error_cmd;
        ide_atapi_cmd_reply(s, len, max_len);
        break;
    default:
    error_cmd:
        ide_atapi_cmd_error(s, ILLEGAL_REQUEST,
                            ASC_INV_FIELD_IN_CMD_PACKET);
    }
}
static void cmd_read_toc_pma_atip(IDEState *s, uint8_t* buf)
{
    int format, msf, start_track, len;
    int max_len;
    uint64_t total_sectors = s->nb_sectors >> 2;

    max_len = lduw_be_p(buf + 7);
    format = buf[9] >> 6;
    msf = (buf[1] >> 1) & 1;
    start_track = buf[6];

    switch(format) {
    case 0:
        len = cdrom_read_toc(total_sectors, buf, msf, start_track);
        if (len < 0)
            goto error_cmd;
        ide_atapi_cmd_reply(s, len, max_len);
        break;
    case 1:
         
        memset(buf, 0, 12);
        buf[1] = 0x0a;
        buf[2] = 0x01;
        buf[3] = 0x01;
        ide_atapi_cmd_reply(s, 12, max_len);
        break;
    case 2:
        len = cdrom_read_toc_raw(total_sectors, buf, msf, start_track);
        if (len < 0)
            goto error_cmd;
        ide_atapi_cmd_reply(s, len, max_len);
        break;
    default:
    error_cmd:
        ide_atapi_cmd_error(s, ILLEGAL_REQUEST,
                            ASC_INV_FIELD_IN_CMD_PACKET);
    }
}