352 sum_iovec_len(struct mic_copy_desc *copy)  in sum_iovec_len()  argument
357 	for (i = 0; i < copy->iovcnt; i++)  in sum_iovec_len()
358 		sum += copy->iov[i].iov_len;  in sum_iovec_len()
363 	struct mic_copy_desc *copy)  in verify_out_len()  argument
365 	if (copy->out_len != sum_iovec_len(copy)) {  in verify_out_len()
368 			copy->out_len, sum_iovec_len(copy));  in verify_out_len()
369 		assert(copy->out_len == sum_iovec_len(copy));  in verify_out_len()
375 disp_iovec(struct mic_info *mic, struct mic_copy_desc *copy,  in disp_iovec()  argument
380 	for (i = 0; i < copy->iovcnt; i++)  in disp_iovec()
383 			copy->iov[i].iov_base, copy->iov[i].iov_len);  in disp_iovec()
392 				struct mic_copy_desc *copy, ssize_t len)  in txrx_prepare()  argument
394 	copy->vr_idx = tx ? 0 : 1;  in txrx_prepare()
395 	copy->update_used = true;  in txrx_prepare()
397 		copy->iov[1].iov_len = len - sizeof(struct virtio_net_hdr);  in txrx_prepare()
399 		copy->iov[0].iov_len = len;  in txrx_prepare()
405 		struct mic_vring *vr, struct mic_copy_desc *copy)  in mic_virtio_copy()  argument
409 	ret = ioctl(fd, MIC_VIRTIO_COPY_DESC, copy);  in mic_virtio_copy()
536 	struct mic_copy_desc copy;  in virtio_net()  local
562 	copy.iovcnt = 2;  in virtio_net()
586 			copy.iov = iov0;  in virtio_net()
588 				copy.iov, copy.iovcnt);  in virtio_net()
600 					copy.out_len, hdr->gso_type);  in virtio_net()
603 				disp_iovec(mic, copy, __func__, __LINE__);  in virtio_net()
609 				txrx_prepare(VIRTIO_ID_NET, 1, &tx_vr, &copy,  in virtio_net()
614 					&copy);  in virtio_net()
621 					verify_out_len(mic, &copy);  in virtio_net()
623 				disp_iovec(mic, copy, __func__, __LINE__);  in virtio_net()
626 					sum_iovec_len(&copy));  in virtio_net()
631 				disp_iovec(mic, &copy, __func__, __LINE__);  in virtio_net()
635 					copy.iovcnt, sum_iovec_len(&copy));  in virtio_net()
646 				copy.iov = iov1;  in virtio_net()
647 				txrx_prepare(VIRTIO_ID_NET, 0, &rx_vr, &copy,  in virtio_net()
653 					&copy);  in virtio_net()
664 						copy.out_len,  in virtio_net()
668 					iov1[1].iov_len = copy.out_len -  in virtio_net()
670 					verify_out_len(mic, &copy);  in virtio_net()
672 					disp_iovec(mic, copy, __func__,  in virtio_net()
677 						sum_iovec_len(copy));  in virtio_net()
680 						copy.iov, copy.iovcnt);  in virtio_net()
681 					if (len != sum_iovec_len(&copy)) {  in virtio_net()
686 							sum_iovec_len(&copy));  in virtio_net()
689 						disp_iovec(mic, &copy, __func__,  in virtio_net()
735 	struct mic_copy_desc copy;  in virtio_console()  local
777 	copy.iovcnt = 1;  in virtio_console()
795 			copy.iov = iov0;  in virtio_console()
796 			len = readv(pty_fd, copy.iov, copy.iovcnt);  in virtio_console()
799 				disp_iovec(mic, copy, __func__, __LINE__);  in virtio_console()
806 					     &copy, len);  in virtio_console()
810 					&tx_vr, &copy);  in virtio_console()
817 					verify_out_len(mic, &copy);  in virtio_console()
819 				disp_iovec(mic, copy, __func__, __LINE__);  in virtio_console()
822 					sum_iovec_len(copy));  in virtio_console()
827 				disp_iovec(mic, &copy, __func__, __LINE__);  in virtio_console()
832 					copy.iovcnt, sum_iovec_len(&copy));  in virtio_console()
839 				copy.iov = iov1;  in virtio_console()
841 					     &copy, PAGE_SIZE);  in virtio_console()
845 					&rx_vr, &copy);  in virtio_console()
848 					iov1->iov_len = copy.out_len;  in virtio_console()
849 					verify_out_len(mic, &copy);  in virtio_console()
851 					disp_iovec(mic, copy, __func__,  in virtio_console()
856 						sum_iovec_len(copy));  in virtio_console()
859 						copy.iov, copy.iovcnt);  in virtio_console()
860 					if (len != sum_iovec_len(&copy)) {  in virtio_console()
865 							sum_iovec_len(&copy));  in virtio_console()
868 						disp_iovec(mic, copy, __func__,  in virtio_console()
1085 	struct mic_copy_desc copy;  in read_header()  local
1089 	copy.iov = &iovec;  in read_header()
1090 	copy.iovcnt = 1;  in read_header()
1091 	copy.vr_idx = 0;  /* only one vring on virtio_block */  in read_header()
1092 	copy.update_used = false;  /* do not update used index */  in read_header()
1093 	return ioctl(fd, MIC_VIRTIO_COPY_DESC, &copy);  in read_header()
1099 	struct mic_copy_desc copy;  in transfer_blocks()  local
1101 	copy.iov = iovec;  in transfer_blocks()
1102 	copy.iovcnt = iovcnt;  in transfer_blocks()
1103 	copy.vr_idx = 0;  /* only one vring on virtio_block */  in transfer_blocks()
1104 	copy.update_used = false;  /* do not update used index */  in transfer_blocks()
1105 	return ioctl(fd, MIC_VIRTIO_COPY_DESC, &copy);  in transfer_blocks()
1123 	struct mic_copy_desc copy;  in write_status()  local
1127 	copy.iov = &iovec;  in write_status()
1128 	copy.iovcnt = 1;  in write_status()
1129 	copy.vr_idx = 0;  /* only one vring on virtio_block */  in write_status()
1130 	copy.update_used = true; /* Update used index */  in write_status()
1131 	return ioctl(fd, MIC_VIRTIO_COPY_DESC, &copy);  in write_status()