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Date: Thu, 29 Mar 2018 09:10:32 -0700
From: Steve Wise <swise@...ngridcomputing.com>
To: dsahern@...il.com
Cc: leon@...nel.org, stephen@...workplumber.org,
netdev@...r.kernel.org, linux-rdma@...r.kernel.org
Subject: [PATCH v4 iproute2-next 2/7] rdma: add UAPI rdma_user_cm.h
This allows parsing rdma_cm_id UAPI values.
Signed-off-by: Steve Wise <swise@...ngridcomputing.com>
---
rdma/include/uapi/rdma/rdma_user_cm.h | 324 ++++++++++++++++++++++++++++++++++
1 file changed, 324 insertions(+)
create mode 100644 rdma/include/uapi/rdma/rdma_user_cm.h
diff --git a/rdma/include/uapi/rdma/rdma_user_cm.h b/rdma/include/uapi/rdma/rdma_user_cm.h
new file mode 100644
index 0000000..da099af
--- /dev/null
+++ b/rdma/include/uapi/rdma/rdma_user_cm.h
@@ -0,0 +1,324 @@
+/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-2-Clause) */
+/*
+ * Copyright (c) 2005-2006 Intel Corporation. All rights reserved.
+ *
+ * This software is available to you under a choice of one of two
+ * licenses. You may choose to be licensed under the terms of the GNU
+ * General Public License (GPL) Version 2, available from the file
+ * COPYING in the main directory of this source tree, or the
+ * OpenIB.org BSD license below:
+ *
+ * Redistribution and use in source and binary forms, with or
+ * without modification, are permitted provided that the following
+ * conditions are met:
+ *
+ * - Redistributions of source code must retain the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials
+ * provided with the distribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#ifndef _RDMA_USER_CM_H
+#define _RDMA_USER_CM_H
+
+#include <linux/types.h>
+#include <linux/socket.h>
+#include <linux/in6.h>
+#include <rdma/ib_user_verbs.h>
+#include <rdma/ib_user_sa.h>
+
+#define RDMA_USER_CM_ABI_VERSION 4
+
+#define RDMA_MAX_PRIVATE_DATA 256
+
+enum {
+ RDMA_USER_CM_CMD_CREATE_ID,
+ RDMA_USER_CM_CMD_DESTROY_ID,
+ RDMA_USER_CM_CMD_BIND_IP,
+ RDMA_USER_CM_CMD_RESOLVE_IP,
+ RDMA_USER_CM_CMD_RESOLVE_ROUTE,
+ RDMA_USER_CM_CMD_QUERY_ROUTE,
+ RDMA_USER_CM_CMD_CONNECT,
+ RDMA_USER_CM_CMD_LISTEN,
+ RDMA_USER_CM_CMD_ACCEPT,
+ RDMA_USER_CM_CMD_REJECT,
+ RDMA_USER_CM_CMD_DISCONNECT,
+ RDMA_USER_CM_CMD_INIT_QP_ATTR,
+ RDMA_USER_CM_CMD_GET_EVENT,
+ RDMA_USER_CM_CMD_GET_OPTION,
+ RDMA_USER_CM_CMD_SET_OPTION,
+ RDMA_USER_CM_CMD_NOTIFY,
+ RDMA_USER_CM_CMD_JOIN_IP_MCAST,
+ RDMA_USER_CM_CMD_LEAVE_MCAST,
+ RDMA_USER_CM_CMD_MIGRATE_ID,
+ RDMA_USER_CM_CMD_QUERY,
+ RDMA_USER_CM_CMD_BIND,
+ RDMA_USER_CM_CMD_RESOLVE_ADDR,
+ RDMA_USER_CM_CMD_JOIN_MCAST
+};
+
+/* See IBTA Annex A11, servies ID bytes 4 & 5 */
+enum rdma_ucm_port_space {
+ RDMA_PS_IPOIB = 0x0002,
+ RDMA_PS_IB = 0x013F,
+ RDMA_PS_TCP = 0x0106,
+ RDMA_PS_UDP = 0x0111,
+};
+
+/*
+ * command ABI structures.
+ */
+struct rdma_ucm_cmd_hdr {
+ __u32 cmd;
+ __u16 in;
+ __u16 out;
+};
+
+struct rdma_ucm_create_id {
+ __aligned_u64 uid;
+ __aligned_u64 response;
+ __u16 ps; /* use enum rdma_ucm_port_space */
+ __u8 qp_type;
+ __u8 reserved[5];
+};
+
+struct rdma_ucm_create_id_resp {
+ __u32 id;
+};
+
+struct rdma_ucm_destroy_id {
+ __aligned_u64 response;
+ __u32 id;
+ __u32 reserved;
+};
+
+struct rdma_ucm_destroy_id_resp {
+ __u32 events_reported;
+};
+
+struct rdma_ucm_bind_ip {
+ __aligned_u64 response;
+ struct sockaddr_in6 addr;
+ __u32 id;
+};
+
+struct rdma_ucm_bind {
+ __u32 id;
+ __u16 addr_size;
+ __u16 reserved;
+ struct __kernel_sockaddr_storage addr;
+};
+
+struct rdma_ucm_resolve_ip {
+ struct sockaddr_in6 src_addr;
+ struct sockaddr_in6 dst_addr;
+ __u32 id;
+ __u32 timeout_ms;
+};
+
+struct rdma_ucm_resolve_addr {
+ __u32 id;
+ __u32 timeout_ms;
+ __u16 src_size;
+ __u16 dst_size;
+ __u32 reserved;
+ struct __kernel_sockaddr_storage src_addr;
+ struct __kernel_sockaddr_storage dst_addr;
+};
+
+struct rdma_ucm_resolve_route {
+ __u32 id;
+ __u32 timeout_ms;
+};
+
+enum {
+ RDMA_USER_CM_QUERY_ADDR,
+ RDMA_USER_CM_QUERY_PATH,
+ RDMA_USER_CM_QUERY_GID
+};
+
+struct rdma_ucm_query {
+ __aligned_u64 response;
+ __u32 id;
+ __u32 option;
+};
+
+struct rdma_ucm_query_route_resp {
+ __aligned_u64 node_guid;
+ struct ib_user_path_rec ib_route[2];
+ struct sockaddr_in6 src_addr;
+ struct sockaddr_in6 dst_addr;
+ __u32 num_paths;
+ __u8 port_num;
+ __u8 reserved[3];
+};
+
+struct rdma_ucm_query_addr_resp {
+ __aligned_u64 node_guid;
+ __u8 port_num;
+ __u8 reserved;
+ __u16 pkey;
+ __u16 src_size;
+ __u16 dst_size;
+ struct __kernel_sockaddr_storage src_addr;
+ struct __kernel_sockaddr_storage dst_addr;
+};
+
+struct rdma_ucm_query_path_resp {
+ __u32 num_paths;
+ __u32 reserved;
+ struct ib_path_rec_data path_data[0];
+};
+
+struct rdma_ucm_conn_param {
+ __u32 qp_num;
+ __u32 qkey;
+ __u8 private_data[RDMA_MAX_PRIVATE_DATA];
+ __u8 private_data_len;
+ __u8 srq;
+ __u8 responder_resources;
+ __u8 initiator_depth;
+ __u8 flow_control;
+ __u8 retry_count;
+ __u8 rnr_retry_count;
+ __u8 valid;
+};
+
+struct rdma_ucm_ud_param {
+ __u32 qp_num;
+ __u32 qkey;
+ struct ib_uverbs_ah_attr ah_attr;
+ __u8 private_data[RDMA_MAX_PRIVATE_DATA];
+ __u8 private_data_len;
+ __u8 reserved[7];
+};
+
+struct rdma_ucm_connect {
+ struct rdma_ucm_conn_param conn_param;
+ __u32 id;
+ __u32 reserved;
+};
+
+struct rdma_ucm_listen {
+ __u32 id;
+ __u32 backlog;
+};
+
+struct rdma_ucm_accept {
+ __aligned_u64 uid;
+ struct rdma_ucm_conn_param conn_param;
+ __u32 id;
+ __u32 reserved;
+};
+
+struct rdma_ucm_reject {
+ __u32 id;
+ __u8 private_data_len;
+ __u8 reserved[3];
+ __u8 private_data[RDMA_MAX_PRIVATE_DATA];
+};
+
+struct rdma_ucm_disconnect {
+ __u32 id;
+};
+
+struct rdma_ucm_init_qp_attr {
+ __aligned_u64 response;
+ __u32 id;
+ __u32 qp_state;
+};
+
+struct rdma_ucm_notify {
+ __u32 id;
+ __u32 event;
+};
+
+struct rdma_ucm_join_ip_mcast {
+ __aligned_u64 response; /* rdma_ucm_create_id_resp */
+ __aligned_u64 uid;
+ struct sockaddr_in6 addr;
+ __u32 id;
+};
+
+/* Multicast join flags */
+enum {
+ RDMA_MC_JOIN_FLAG_FULLMEMBER,
+ RDMA_MC_JOIN_FLAG_SENDONLY_FULLMEMBER,
+ RDMA_MC_JOIN_FLAG_RESERVED,
+};
+
+struct rdma_ucm_join_mcast {
+ __aligned_u64 response; /* rdma_ucma_create_id_resp */
+ __aligned_u64 uid;
+ __u32 id;
+ __u16 addr_size;
+ __u16 join_flags;
+ struct __kernel_sockaddr_storage addr;
+};
+
+struct rdma_ucm_get_event {
+ __aligned_u64 response;
+};
+
+struct rdma_ucm_event_resp {
+ __aligned_u64 uid;
+ __u32 id;
+ __u32 event;
+ __u32 status;
+ /*
+ * NOTE: This union is not aligned to 8 bytes so none of the union
+ * members may contain a u64 or anything with higher alignment than 4.
+ */
+ union {
+ struct rdma_ucm_conn_param conn;
+ struct rdma_ucm_ud_param ud;
+ } param;
+ __u32 reserved;
+};
+
+/* Option levels */
+enum {
+ RDMA_OPTION_ID = 0,
+ RDMA_OPTION_IB = 1
+};
+
+/* Option details */
+enum {
+ RDMA_OPTION_ID_TOS = 0,
+ RDMA_OPTION_ID_REUSEADDR = 1,
+ RDMA_OPTION_ID_AFONLY = 2,
+ RDMA_OPTION_IB_PATH = 1
+};
+
+struct rdma_ucm_set_option {
+ __aligned_u64 optval;
+ __u32 id;
+ __u32 level;
+ __u32 optname;
+ __u32 optlen;
+};
+
+struct rdma_ucm_migrate_id {
+ __aligned_u64 response;
+ __u32 id;
+ __u32 fd;
+};
+
+struct rdma_ucm_migrate_resp {
+ __u32 events_reported;
+};
+
+#endif /* _RDMA_USER_CM_H */
--
1.8.3.1
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