C++ (Cpp) ft_getinfo示例

示例#1

文件： rdm_multi_recv.c 项目： pmmccorm/fabtests

static int init_fabric(void)
{
	int ret;

	ret = ft_getinfo(hints, &fi);
	if (ret)
		return ret;

	// set FI_MULTI_RECV flag for all recv operations
	fi->rx_attr->op_flags = FI_MULTI_RECV;

	ret = ft_open_fabric_res();
	if (ret)
		return ret;

	ret = alloc_ep_res(fi);
	if (ret)
		return ret;

	ret = ft_init_ep();
	if (ret)
		return ret;

	ret = fi_setopt(&ep->fid, FI_OPT_ENDPOINT, FI_OPT_MIN_MULTI_RECV,
			&tx_size, sizeof(tx_size));
	if (ret)
		return ret;

	ret = post_multi_recv_buffer();
	return ret;
}

示例#2

文件： shared.c 项目： a-abraham/fabtests-cray

int ft_init_fabric(void)
{
	int ret;

	ret = ft_getinfo(hints, &fi);
	if (ret)
		return ret;

	ret = ft_open_fabric_res();
	if (ret)
		return ret;

	if (hints->caps & FI_RMA) {
		ret = ft_set_rma_caps(fi, opts.rma_op);
		if (ret)
			return ret;
	}

	ret = ft_alloc_active_res(fi);
	if (ret)
		return ret;

	ret = ft_init_ep();
	if (ret)
		return ret;

	ret = ft_init_av();
	if (ret)
		return ret;

	return 0;
}

示例#3

文件： shared.c 项目： a-abraham/fabtests-cray

int ft_client_connect(void)
{
	struct fi_eq_cm_entry entry;
	uint32_t event;
	ssize_t rd;
	int ret;

	ret = ft_getinfo(hints, &fi);
	if (ret)
		return ret;

	ret = ft_open_fabric_res();
	if (ret)
		return ret;

	ret = ft_alloc_active_res(fi);
	if (ret)
		return ret;

	ret = ft_init_ep();
	if (ret)
		return ret;

	ret = fi_connect(ep, fi->dest_addr, NULL, 0);
	if (ret) {
		FT_PRINTERR("fi_connect", ret);
		return ret;
	}

	rd = fi_eq_sread(eq, &event, &entry, sizeof entry, -1, 0);
	if (rd != sizeof entry) {
		FT_PROCESS_EQ_ERR(rd, eq, "fi_eq_sread", "connect");
		ret = (int) rd;
		return ret;
	}

	if (event != FI_CONNECTED || entry.fid != &ep->fid) {
		fprintf(stderr, "Unexpected CM event %d fid %p (ep %p)\n",
			event, entry.fid, ep);
		ret = -FI_EOTHER;
		return ret;
	}

	return 0;
}

示例#4

文件： shared_ctx.c 项目： ofiwg/libfabric

static int init_fabric(void)
{
	int ret;

	ret = ft_getinfo(hints, &fi);
	if (ret)
		return ret;

	ret = get_dupinfo();
	if (ret)
		return ret;

	ret = ft_open_fabric_res();
	if (ret)
		return ret;

	av_attr.count = ep_cnt;

	ret = alloc_ep_res(fi);
	if (ret)
		return ret;

	ret = alloc_ep();
	if (ret)
		return ret;

	ret = bind_ep_array_res();
	if (ret)
		return ret;

	/* Post recv */
	if (rx_shared_ctx)
		ret = ft_post_rx(srx_ctx, MAX(rx_size, FT_MAX_CTRL_MSG), &rx_ctx);
	else
		ret = ft_post_rx(ep_array[0], MAX(rx_size, FT_MAX_CTRL_MSG), &rx_ctx);
	if (ret)
		return ret;

	ret = init_av();
	return ret;
}

示例#5

文件： shared.c 项目： a-abraham/fabtests-cray

int ft_start_server(void)
{
	int ret;

	ret = ft_getinfo(hints, &fi_pep);
	if (ret)
		return ret;

	ret = fi_fabric(fi_pep->fabric_attr, &fabric, NULL);
	if (ret) {
		FT_PRINTERR("fi_fabric", ret);
		return ret;
	}

	ret = fi_eq_open(fabric, &eq_attr, &eq, NULL);
	if (ret) {
		FT_PRINTERR("fi_eq_open", ret);
		return ret;
	}

	ret = fi_passive_ep(fabric, fi_pep, &pep, NULL);
	if (ret) {
		FT_PRINTERR("fi_passive_ep", ret);
		return ret;
	}

	ret = fi_pep_bind(pep, &eq->fid, 0);
	if (ret) {
		FT_PRINTERR("fi_pep_bind", ret);
		return ret;
	}

	ret = fi_listen(pep);
	if (ret) {
		FT_PRINTERR("fi_listen", ret);
		return ret;
	}

	return 0;
}

示例#6

文件： dgram_waitset.c 项目： ofiwg/libfabric

static int init_fabric(void)
{
	int ret;

	ret = ft_getinfo(hints, &fi);
	if (ret)
		return ret;

	ret = ft_open_fabric_res();
	if (ret)
		return ret;

	ret = alloc_ep_res(fi);
	if (ret)
		return ret;

	ret = ft_enable_ep_recv();
	if (ret)
		return ret;

	return 0;
}

示例#7

文件： scalable_ep.c 项目： ofiwg/libfabric

static int init_fabric(void)
{
	int ret;

	ret = ft_getinfo(hints, &fi);
	if (ret)
		return ret;

	/* Check the optimal number of TX and RX contexts supported by the provider */
	ctx_cnt = MIN(ctx_cnt, fi->domain_attr->tx_ctx_cnt);
	ctx_cnt = MIN(ctx_cnt, fi->domain_attr->rx_ctx_cnt);
	if (!ctx_cnt) {
		fprintf(stderr, "Provider doesn't support contexts\n");
		return 1;
	}

	fi->ep_attr->tx_ctx_cnt = ctx_cnt;
	fi->ep_attr->rx_ctx_cnt = ctx_cnt;

	ret = ft_open_fabric_res();
	if (ret)
		return ret;

	ret = fi_scalable_ep(domain, fi, &sep, NULL);
	if (ret) {
		FT_PRINTERR("fi_scalable_ep", ret);
		return ret;
	}

	ret = alloc_ep_res(sep);
	if (ret)
		return ret;

	ret = bind_ep_res();
	return ret;
}

示例#8

文件： shared_ctx.c 项目： ofiwg/libfabric

static int client_connect(void)
{
	struct fi_eq_cm_entry entry;
	uint32_t event;
	ssize_t rd;
	int i, ret;

	ret = ft_getinfo(hints, &fi);
	if (ret)
		return ret;

	ret = get_dupinfo();
	if (ret)
		return ret;

	ret = ft_open_fabric_res();
	if (ret)
		return ret;

	ret = alloc_ep_res(fi);
	if (ret)
		return ret;

	ret = alloc_ep();
	if (ret)
		return ret;

	ret = bind_ep_array_res();
	if (ret)
		return ret;

	for (i = 0; i < ep_cnt; i++) {
		ret = fi_connect(ep_array[i], fi->dest_addr, NULL, 0);
		if (ret) {
			FT_PRINTERR("fi_connect", ret);
			return ret;
		}

		rd = fi_eq_sread(eq, &event, &entry, sizeof entry, -1, 0);
		if (rd != sizeof entry) {
			FT_PROCESS_EQ_ERR(rd, eq, "fi_eq_sread", "connect");
			ret = (int) rd;
			return ret;
		}

		if (event != FI_CONNECTED || entry.fid != &ep_array[i]->fid) {
			fprintf(stderr, "Unexpected CM event %d fid %p (ep %p)\n",
				event, entry.fid, ep);
			ret = -FI_EOTHER;
			return ret;
		}
	}

	/* Post recv */
	if (rx_shared_ctx)
		ret = ft_post_rx(srx_ctx, MAX(rx_size, FT_MAX_CTRL_MSG), &rx_ctx);
	else
		ret = ft_post_rx(ep_array[0], MAX(rx_size, FT_MAX_CTRL_MSG), &rx_ctx);
	if (ret)
		return ret;

	return 0;
}