Archipelago » qemu

    uint64_t sector;

    uint32_t sector_count;

    uint32_t buflen;

    struct iovec iov;

    QEMUIOVector qiov;

    BlockAcctCookie acct;

    if (r->sector_count == (uint32_t)-1) {

        DPRINTF("Read buf_len=%zd\n", r->iov.iov_len);

        r->sector_count = 0;

        scsi_req_data(&r->req, r->iov.iov_len);

        return;

    }

        return;

    }

    if (r->req.sg) {

        dma_acct_start(s->qdev.conf.bs, &r->acct, r->req.sg, BDRV_ACCT_READ);

        r->req.resid -= r->req.sg->size;

    if (!r->req.sg && !r->qiov.size) {

        /* Called for the first time.  Ask the driver to send us more data.  */

        scsi_write_complete(r, 0);

        return;

    }