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/*
* Copyright (c) 2016 Mellanox Technologies Ltd. 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_RXE_H
#define RDMA_USER_RXE_H
#include <linux/types.h>
union rxe_gid {
__u8 raw[16];
struct {
__be64 subnet_prefix;
__be64 interface_id;
} global;
};
struct rxe_global_route {
union rxe_gid dgid;
__u32 flow_label;
__u8 sgid_index;
__u8 hop_limit;
__u8 traffic_class;
};
struct rxe_av {
__u8 port_num;
__u8 network_type;
struct rxe_global_route grh;
union {
struct sockaddr _sockaddr;
struct sockaddr_in _sockaddr_in;
struct sockaddr_in6 _sockaddr_in6;
} sgid_addr, dgid_addr;
};
struct rxe_send_wr {
__u64 wr_id;
__u32 num_sge;
__u32 opcode;
__u32 send_flags;
union {
__be32 imm_data;
__u32 invalidate_rkey;
} ex;
union {
struct {
__u64 remote_addr;
__u32 rkey;
} rdma;
struct {
__u64 remote_addr;
__u64 compare_add;
__u64 swap;
__u32 rkey;
} atomic;
struct {
__u32 remote_qpn;
__u32 remote_qkey;
__u16 pkey_index;
} ud;
struct {
struct ib_mr *mr;
__u32 key;
int access;
} reg;
} wr;
};
struct rxe_sge {
__u64 addr;
__u32 length;
__u32 lkey;
};
struct mminfo {
__u64 offset;
__u32 size;
__u32 pad;
};
struct rxe_dma_info {
__u32 length;
__u32 resid;
__u32 cur_sge;
__u32 num_sge;
__u32 sge_offset;
union {
__u8 inline_data[0];
struct rxe_sge sge[0];
};
};
struct rxe_send_wqe {
struct rxe_send_wr wr;
struct rxe_av av;
__u32 status;
__u32 state;
__u64 iova;
__u32 mask;
__u32 first_psn;
__u32 last_psn;
__u32 ack_length;
__u32 ssn;
__u32 has_rd_atomic;
struct rxe_dma_info dma;
};
struct rxe_recv_wqe {
__u64 wr_id;
__u32 num_sge;
__u32 padding;
struct rxe_dma_info dma;
};
#endif /* RDMA_USER_RXE_H */