Archipelago » qemu

static void virtio_blk_handle_scsi(VirtIOBlockReq *req)

{

    struct sg_io_hdr hdr;

    int status;

    int i;

     * before the regular inhdr.

     */

    req->scsi = (void *)req->elem.in_sg[req->elem.in_num - 2].iov_base;

    memset(&hdr, 0, sizeof(struct sg_io_hdr));

    hdr.interface_id = 'S';

            hdr.dxfer_len += req->elem.in_sg[i].iov_len;

        hdr.dxferp = req->elem.in_sg;

    } else {

        /*

         * Some SCSI commands don't actually transfer any data.

    hdr.sbp = req->elem.in_sg[req->elem.in_num - 3].iov_base;

    hdr.mx_sb_len = req->elem.in_sg[req->elem.in_num - 3].iov_len;

    ret = bdrv_ioctl(req->dev->bs, SG_IO, &hdr);

    if (ret) {