From patchwork Thu Mar 29 16:10:32 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Steve Wise X-Patchwork-Id: 893025 X-Patchwork-Delegate: dsahern@gmail.com Return-Path: X-Original-To: patchwork-incoming-netdev@ozlabs.org Delivered-To: patchwork-incoming-netdev@ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=netdev-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=opengridcomputing.com Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 40BytY5tcVz9s1s for ; Fri, 30 Mar 2018 08:43:49 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752315AbeC2Vns (ORCPT ); Thu, 29 Mar 2018 17:43:48 -0400 Received: from opengridcomputing.com ([70.118.0.34]:50409 "EHLO smtp.opengridcomputing.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752278AbeC2Vnr (ORCPT ); Thu, 29 Mar 2018 17:43:47 -0400 Received: by smtp.opengridcomputing.com (Postfix, from userid 503) id A2F372BBEC; Thu, 29 Mar 2018 16:43:46 -0500 (CDT) Message-Id: <8fe917e01a80f115f795c92b1287afd0163e5089.1522359537.git.swise@opengridcomputing.com> In-Reply-To: References: From: Steve Wise Date: Thu, 29 Mar 2018 09:10:32 -0700 Subject: [PATCH v4 iproute2-next 2/7] rdma: add UAPI rdma_user_cm.h To: dsahern@gmail.com Cc: leon@kernel.org, stephen@networkplumber.org, netdev@vger.kernel.org, linux-rdma@vger.kernel.org Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org This allows parsing rdma_cm_id UAPI values. Signed-off-by: Steve Wise --- 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 +#include +#include +#include +#include + +#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 */