sglist_append
error = sglist_append(&sg, sc->vtballoon_stats, sizeof(sc->vtballoon_stats[0]) * num_stats);
error = sglist_append(&sg, sc->vtballoon_page_frames,
error = sglist_append(sg, &req->vbr_hdr,
error = sglist_append(sg, bp->b_data, bp->b_bcount);
error = sglist_append(sg, &req->vbr_ack, sizeof(uint8_t));
error = sglist_append(&sg, hdr, sc->vtnet_hdr_size);
error = sglist_append(&sg, mdata + offset, m->m_len - offset);
error = sglist_append(&sg, &txhdr->vth_uhdr, sc->vtnet_hdr_size);
error |= sglist_append(&sg, &s.hdr,
error |= sglist_append(&sg, s.aligned_hwaddr, ETHER_ADDR_LEN);
error |= sglist_append(&sg, &s.ack, sizeof(uint8_t));
error |= sglist_append(&sg, &s.hdr, sizeof(struct virtio_net_ctrl_hdr));
error |= sglist_append(&sg, &s.onoff, sizeof(uint8_t));
error |= sglist_append(&sg, &s.ack, sizeof(uint8_t));
error |= sglist_append(&sg, &hdr, sizeof(struct virtio_net_ctrl_hdr));
error |= sglist_append(&sg, &filter->vmf_unicast,
error |= sglist_append(&sg, &filter->vmf_multicast,
error |= sglist_append(&sg, &ack, sizeof(uint8_t));
error |= sglist_append(&sg, &s.hdr, sizeof(struct virtio_net_ctrl_hdr));
error |= sglist_append(&sg, &s.tag, sizeof(uint16_t));
error |= sglist_append(&sg, &s.ack, sizeof(uint8_t));
error = sglist_append(&sg, &value, sizeof(value));
error = sglist_append(sg,
error = sglist_append(sg,
sglist_append(sg, cmd_req, sizeof(struct virtio_scsi_cmd_req));
sglist_append(sg, cmd_resp, sizeof(struct virtio_scsi_cmd_resp));
sglist_append(sg, tmf_req, sizeof(struct virtio_scsi_ctrl_tmf_req));
sglist_append(sg, tmf_resp, sizeof(struct virtio_scsi_ctrl_tmf_resp));
sglist_append(sg, tmf_req, sizeof(struct virtio_scsi_ctrl_tmf_req));
sglist_append(sg, tmf_resp, sizeof(struct virtio_scsi_ctrl_tmf_resp));
sglist_append(sg, tmf_req, sizeof(struct virtio_scsi_ctrl_tmf_req));
sglist_append(sg, tmf_resp, sizeof(struct virtio_scsi_ctrl_tmf_resp));
error = sglist_append(sg, event, size);
error = sglist_append(sg, m->m_data, m->m_len);
if (sglist_append(sg, buf, len) != 0) {
int sglist_append(struct sglist *sg, void *buf, size_t len);