/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR Linux-OpenIB) */
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/*
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* Copyright (c) 2016 Mellanox Technologies Ltd. All rights reserved.
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*
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* This software is available to you under a choice of one of two
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* licenses. You may choose to be licensed under the terms of the GNU
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* General Public License (GPL) Version 2, available from the file
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* COPYING in the main directory of this source tree, or the
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* OpenIB.org BSD license below:
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*
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* Redistribution and use in source and binary forms, with or
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* without modification, are permitted provided that the following
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* conditions are met:
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*
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* - Redistributions of source code must retain the above
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* copyright notice, this list of conditions and the following
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* disclaimer.
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*
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* - Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials
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* provided with the distribution.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#ifndef RDMA_USER_RXE_H
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#define RDMA_USER_RXE_H
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#include <linux/types.h>
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#include <linux/socket.h>
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#include <linux/in.h>
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#include <linux/in6.h>
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enum {
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RXE_NETWORK_TYPE_IPV4 = 1,
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RXE_NETWORK_TYPE_IPV6 = 2,
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};
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union rxe_gid {
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__u8 raw[16];
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struct {
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__be64 subnet_prefix;
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__be64 interface_id;
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} global;
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};
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struct rxe_global_route {
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union rxe_gid dgid;
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__u32 flow_label;
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__u8 sgid_index;
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__u8 hop_limit;
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__u8 traffic_class;
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};
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struct rxe_av {
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__u8 port_num;
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/* From RXE_NETWORK_TYPE_* */
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__u8 network_type;
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__u8 dmac[6];
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struct rxe_global_route grh;
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union {
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struct sockaddr_in _sockaddr_in;
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struct sockaddr_in6 _sockaddr_in6;
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} sgid_addr, dgid_addr;
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};
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struct rxe_send_wr {
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__aligned_u64 wr_id;
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__u32 num_sge;
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__u32 opcode;
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__u32 send_flags;
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union {
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__be32 imm_data;
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__u32 invalidate_rkey;
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} ex;
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union {
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struct {
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__aligned_u64 remote_addr;
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__u32 rkey;
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__u32 reserved;
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} rdma;
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struct {
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__aligned_u64 remote_addr;
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__aligned_u64 compare_add;
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__aligned_u64 swap;
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__u32 rkey;
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__u32 reserved;
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} atomic;
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struct {
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__u32 remote_qpn;
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__u32 remote_qkey;
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__u16 pkey_index;
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} ud;
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/* reg is only used by the kernel and is not part of the uapi */
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struct {
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union {
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struct ib_mr *mr;
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__aligned_u64 reserved;
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};
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__u32 key;
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__u32 access;
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} reg;
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} wr;
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};
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struct rxe_sge {
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__aligned_u64 addr;
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__u32 length;
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__u32 lkey;
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};
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struct mminfo {
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__aligned_u64 offset;
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__u32 size;
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__u32 pad;
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};
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struct rxe_dma_info {
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__u32 length;
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__u32 resid;
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__u32 cur_sge;
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__u32 num_sge;
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__u32 sge_offset;
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__u32 reserved;
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union {
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__u8 inline_data[0];
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struct rxe_sge sge[0];
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};
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};
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struct rxe_send_wqe {
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struct rxe_send_wr wr;
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struct rxe_av av;
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__u32 status;
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__u32 state;
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__aligned_u64 iova;
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__u32 mask;
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__u32 first_psn;
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__u32 last_psn;
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__u32 ack_length;
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__u32 ssn;
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__u32 has_rd_atomic;
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struct rxe_dma_info dma;
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};
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struct rxe_recv_wqe {
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__aligned_u64 wr_id;
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__u32 num_sge;
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__u32 padding;
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struct rxe_dma_info dma;
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};
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struct rxe_create_cq_resp {
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struct mminfo mi;
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};
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struct rxe_resize_cq_resp {
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struct mminfo mi;
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};
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struct rxe_create_qp_resp {
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struct mminfo rq_mi;
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struct mminfo sq_mi;
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};
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struct rxe_create_srq_resp {
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struct mminfo mi;
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__u32 srq_num;
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__u32 reserved;
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};
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struct rxe_modify_srq_cmd {
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__aligned_u64 mmap_info_addr;
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};
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#endif /* RDMA_USER_RXE_H */
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