static int scsi_disk_emulate_mode_sense(SCSIRequest *req, uint8_t *outbuf)

{

    SCSIDiskState *s = DO_UPCAST(SCSIDiskState, qdev, req->dev);

    uint64_t nb_sectors;

    int page, dbd, buflen, page_control;

    uint8_t *p;

    uint8_t dev_specific_param;



    dbd = req->cmd.buf[1]  & 0x8;

    page = req->cmd.buf[2] & 0x3f;

    page_control = (req->cmd.buf[2] & 0xc0) >> 6;

    DPRINTF("Mode Sense(%d) (page %d, len %d, page_control %d)\n",

        (req->cmd.buf[0] == MODE_SENSE) ? 6 : 10, page, len, page_control);

    memset(outbuf, 0, req->cmd.xfer);

    p = outbuf;



    if (bdrv_is_read_only(s->bs)) {

        dev_specific_param = 0x80; /* Readonly.  */

    } else {

        dev_specific_param = 0x00;

    }



    if (req->cmd.buf[0] == MODE_SENSE) {

        p[1] = 0; /* Default media type.  */

        p[2] = dev_specific_param;

        p[3] = 0; /* Block descriptor length.  */

        p += 4;

    } else { /* MODE_SENSE_10 */

        p[2] = 0; /* Default media type.  */

        p[3] = dev_specific_param;

        p[6] = p[7] = 0; /* Block descriptor length.  */

        p += 8;

    }



    bdrv_get_geometry(s->bs, &nb_sectors);

    if ((~dbd) & nb_sectors) {

        if (req->cmd.buf[0] == MODE_SENSE) {

            outbuf[3] = 8; /* Block descriptor length  */

        } else { /* MODE_SENSE_10 */

            outbuf[7] = 8; /* Block descriptor length  */

        }

        nb_sectors /= s->cluster_size;

        if (nb_sectors > 0xffffff)

            nb_sectors = 0;

        p[0] = 0; /* media density code */

        p[1] = (nb_sectors >> 16) & 0xff;

        p[2] = (nb_sectors >> 8) & 0xff;

        p[3] = nb_sectors & 0xff;

        p[4] = 0; /* reserved */

        p[5] = 0; /* bytes 5-7 are the sector size in bytes */

        p[6] = s->cluster_size * 2;

        p[7] = 0;

        p += 8;

    }



    if (page_control == 3) { /* Saved Values */

        return -1; /* ILLEGAL_REQUEST */

    }



    switch (page) {

    case 0x04:

    case 0x05:

    case 0x08:

    case 0x2a:

        p += mode_sense_page(req, page, p, page_control);

        break;

    case 0x3f:

        p += mode_sense_page(req, 0x08, p, page_control);

        p += mode_sense_page(req, 0x2a, p, page_control);

        break;

    default:

        return -1; /* ILLEGAL_REQUEST */

    }



    buflen = p - outbuf;

    /*

     * The mode data length field specifies the length in bytes of the

     * following data that is available to be transferred. The mode data

     * length does not include itself.

     */

    if (req->cmd.buf[0] == MODE_SENSE) {

        outbuf[0] = buflen - 1;

    } else { /* MODE_SENSE_10 */

        outbuf[0] = ((buflen - 2) >> 8) & 0xff;

        outbuf[1] = (buflen - 2) & 0xff;

    }

    if (buflen > req->cmd.xfer)

        buflen = req->cmd.xfer;

    return buflen;

}

static int scsi_disk_emulate_mode_sense(SCSIRequest *req, uint8_t *outbuf)

{

    SCSIDiskState *s = DO_UPCAST(SCSIDiskState, qdev, req->dev);

    uint64_t nb_sectors;

    int page, dbd, buflen, page_control;

    uint8_t *p;

    uint8_t dev_specific_param;



    dbd = req->cmd.buf[1]  & 0x8;

    page = req->cmd.buf[2] & 0x3f;

    page_control = (req->cmd.buf[2] & 0xc0) >> 6;

    DPRINTF("Mode Sense(%d) (page %d, len %d, page_control %d)\n",

        (req->cmd.buf[0] == MODE_SENSE) ? 6 : 10, page, len, page_control);

    memset(outbuf, 0, req->cmd.xfer);

    p = outbuf;



    if (bdrv_is_read_only(s->bs)) {

        dev_specific_param = 0x80; 

    } else {

        dev_specific_param = 0x00;

    }



    if (req->cmd.buf[0] == MODE_SENSE) {

        p[1] = 0; 

        p[2] = dev_specific_param;

        p[3] = 0; 

        p += 4;

    } else { 

        p[2] = 0; 

        p[3] = dev_specific_param;

        p[6] = p[7] = 0; 

        p += 8;

    }



    bdrv_get_geometry(s->bs, &nb_sectors);

    if ((~dbd) & nb_sectors) {

        if (req->cmd.buf[0] == MODE_SENSE) {

            outbuf[3] = 8; 

        } else { 

            outbuf[7] = 8; 

        }

        nb_sectors /= s->cluster_size;

        if (nb_sectors > 0xffffff)

            nb_sectors = 0;

        p[0] = 0; 

        p[1] = (nb_sectors >> 16) & 0xff;

        p[2] = (nb_sectors >> 8) & 0xff;

        p[3] = nb_sectors & 0xff;

        p[4] = 0; 

        p[5] = 0; 

        p[6] = s->cluster_size * 2;

        p[7] = 0;

        p += 8;

    }



    if (page_control == 3) { 

        return -1; 

    }



    switch (page) {

    case 0x04:

    case 0x05:

    case 0x08:

    case 0x2a:

        p += mode_sense_page(req, page, p, page_control);

        break;

    case 0x3f:

        p += mode_sense_page(req, 0x08, p, page_control);

        p += mode_sense_page(req, 0x2a, p, page_control);

        break;

    default:

        return -1; 

    }



    buflen = p - outbuf;

    









    if (req->cmd.buf[0] == MODE_SENSE) {

        outbuf[0] = buflen - 1;

    } else { 

        outbuf[0] = ((buflen - 2) >> 8) & 0xff;

        outbuf[1] = (buflen - 2) & 0xff;

    }

    if (buflen > req->cmd.xfer)

        buflen = req->cmd.xfer;

    return buflen;

}

static int FUNC_0(SCSIRequest *VAR_0, uint8_t *VAR_1)

{

    SCSIDiskState *s = DO_UPCAST(SCSIDiskState, qdev, VAR_0->dev);

    uint64_t nb_sectors;

    int VAR_2, VAR_3, VAR_4, VAR_5;

    uint8_t *p;

    uint8_t dev_specific_param;



    VAR_3 = VAR_0->cmd.buf[1]  & 0x8;

    VAR_2 = VAR_0->cmd.buf[2] & 0x3f;

    VAR_5 = (VAR_0->cmd.buf[2] & 0xc0) >> 6;

    DPRINTF("Mode Sense(%d) (VAR_2 %d, len %d, VAR_5 %d)\n",

        (VAR_0->cmd.buf[0] == MODE_SENSE) ? 6 : 10, VAR_2, len, VAR_5);

    memset(VAR_1, 0, VAR_0->cmd.xfer);

    p = VAR_1;



    if (bdrv_is_read_only(s->bs)) {

        dev_specific_param = 0x80; 

    } else {

        dev_specific_param = 0x00;

    }



    if (VAR_0->cmd.buf[0] == MODE_SENSE) {

        p[1] = 0; 

        p[2] = dev_specific_param;

        p[3] = 0; 

        p += 4;

    } else { 

        p[2] = 0; 

        p[3] = dev_specific_param;

        p[6] = p[7] = 0; 

        p += 8;

    }



    bdrv_get_geometry(s->bs, &nb_sectors);

    if ((~VAR_3) & nb_sectors) {

        if (VAR_0->cmd.buf[0] == MODE_SENSE) {

            VAR_1[3] = 8; 

        } else { 

            VAR_1[7] = 8; 

        }

        nb_sectors /= s->cluster_size;

        if (nb_sectors > 0xffffff)

            nb_sectors = 0;

        p[0] = 0; 

        p[1] = (nb_sectors >> 16) & 0xff;

        p[2] = (nb_sectors >> 8) & 0xff;

        p[3] = nb_sectors & 0xff;

        p[4] = 0; 

        p[5] = 0; 

        p[6] = s->cluster_size * 2;

        p[7] = 0;

        p += 8;

    }



    if (VAR_5 == 3) { 

        return -1; 

    }



    switch (VAR_2) {

    case 0x04:

    case 0x05:

    case 0x08:

    case 0x2a:

        p += mode_sense_page(VAR_0, VAR_2, p, VAR_5);

        break;

    case 0x3f:

        p += mode_sense_page(VAR_0, 0x08, p, VAR_5);

        p += mode_sense_page(VAR_0, 0x2a, p, VAR_5);

        break;

    default:

        return -1; 

    }



    VAR_4 = p - VAR_1;

    









    if (VAR_0->cmd.buf[0] == MODE_SENSE) {

        VAR_1[0] = VAR_4 - 1;

    } else { 

        VAR_1[0] = ((VAR_4 - 2) >> 8) & 0xff;

        VAR_1[1] = (VAR_4 - 2) & 0xff;

    }

    if (VAR_4 > VAR_0->cmd.xfer)

        VAR_4 = VAR_0->cmd.xfer;

    return VAR_4;

}

static int FUNC_0(SCSIRequest *VAR_0, uint8_t *VAR_1)
{ SCSIDiskState *s = DO_UPCAST(SCSIDiskState, qdev, VAR_0->dev); uint64_t nb_sectors; int VAR_2, VAR_3, VAR_4, VAR_5; uint8_t *p; uint8_t dev_specific_param; VAR_3 = VAR_0->cmd.buf[1]  & 0x8; VAR_2 = VAR_0->cmd.buf[2] & 0x3f; VAR_5 = (VAR_0->cmd.buf[2] & 0xc0) >> 6; DPRINTF("Mode Sense(%d) (VAR_2 %d, len %d, VAR_5 %d)\n",
(VAR_0->cmd.buf[0] == MODE_SENSE) ? 6 : 10, VAR_2, len, VAR_5); memset(VAR_1, 0, VAR_0->cmd.xfer); p = VAR_1; if (bdrv_is_read_only(s->bs)) { dev_specific_param = 0x80; } else { dev_specific_param = 0x00; } if (VAR_0->cmd.buf[0] == MODE_SENSE) { p[1] = 0; p[2] = dev_specific_param; p[3] = 0; p += 4; } else { p[2] = 0; p[3] = dev_specific_param; p[6] = p[7] = 0; p += 8; } bdrv_get_geometry(s->bs, &nb_sectors); if ((~VAR_3) & nb_sectors) { if (VAR_0->cmd.buf[0] == MODE_SENSE) { VAR_1[3] = 8; } else { VAR_1[7] = 8; } nb_sectors /= s->cluster_size; if (nb_sectors > 0xffffff)
nb_sectors = 0; p[0] = 0; p[1] = (nb_sectors >> 16) & 0xff; p[2] = (nb_sectors >> 8) & 0xff; p[3] = nb_sectors & 0xff; p[4] = 0; p[5] = 0; p[6] = s->cluster_size * 2; p[7] = 0; p += 8; } if (VAR_5 == 3) { return -1; } switch (VAR_2) { case 0x04:
case 0x05:
case 0x08:
case 0x2a:
p += mode_sense_page(VAR_0, VAR_2, p, VAR_5); break; case 0x3f:
p += mode_sense_page(VAR_0, 0x08, p, VAR_5); p += mode_sense_page(VAR_0, 0x2a, p, VAR_5); break; default:
return -1; } VAR_4 = p - VAR_1; if (VAR_0->cmd.buf[0] == MODE_SENSE) { VAR_1[0] = VAR_4 - 1; } else { VAR_1[0] = ((VAR_4 - 2) >> 8) & 0xff; VAR_1[1] = (VAR_4 - 2) & 0xff; } if (VAR_4 > VAR_0->cmd.xfer)
VAR_4 = VAR_0->cmd.xfer; return VAR_4; }