1/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR Linux-OpenIB) */
  2/*
  3 * Copyright (c) 2006 - 2011 Intel Corporation.  All rights reserved.
  4 * Copyright (c) 2005 Topspin Communications.  All rights reserved.
  5 * Copyright (c) 2005 Cisco Systems.  All rights reserved.
  6 * Copyright (c) 2005 Open Grid Computing, Inc. All rights reserved.
  7 *
  8 * This software is available to you under a choice of one of two
  9 * licenses.  You may choose to be licensed under the terms of the GNU
 10 * General Public License (GPL) Version 2, available from the file
 11 * COPYING in the main directory of this source tree, or the
 12 * OpenIB.org BSD license below:
 13 *
 14 *     Redistribution and use in source and binary forms, with or
 15 *     without modification, are permitted provided that the following
 16 *     conditions are met:
 17 *
 18 *      - Redistributions of source code must retain the above
 19 *        copyright notice, this list of conditions and the following
 20 *        disclaimer.
 21 *
 22 *      - Redistributions in binary form must reproduce the above
 23 *        copyright notice, this list of conditions and the following
 24 *        disclaimer in the documentation and/or other materials
 25 *        provided with the distribution.
 26 *
 27 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 28 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 29 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 30 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
 31 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
 32 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 33 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 34 * SOFTWARE.
 35 *
 36 */
 37
 38#ifndef NES_ABI_USER_H
 39#define NES_ABI_USER_H
 40
 41#include <linux/types.h>
 42
 43#define NES_ABI_USERSPACE_VER 2
 44#define NES_ABI_KERNEL_VER    2
 45
 46/*
 47 * Make sure that all structs defined in this file remain laid out so
 48 * that they pack the same way on 32-bit and 64-bit architectures (to
 49 * avoid incompatibility between 32-bit userspace and 64-bit kernels).
 50 * In particular do not use pointer types -- pass pointers in __u64
 51 * instead.
 52 */
 53
 54struct nes_alloc_ucontext_req {
 55	__u32 reserved32;
 56	__u8  userspace_ver;
 57	__u8  reserved8[3];
 58};
 59
 60struct nes_alloc_ucontext_resp {
 61	__u32 max_pds; /* maximum pds allowed for this user process */
 62	__u32 max_qps; /* maximum qps allowed for this user process */
 63	__u32 wq_size; /* size of the WQs (sq+rq) allocated to the mmaped area */
 64	__u8  virtwq;  /* flag to indicate if virtual WQ are to be used or not */
 65	__u8  kernel_ver;
 66	__u8  reserved[2];
 67};
 68
 69struct nes_alloc_pd_resp {
 70	__u32 pd_id;
 71	__u32 mmap_db_index;
 72};
 73
 74struct nes_create_cq_req {
 75	__aligned_u64 user_cq_buffer;
 76	__u32 mcrqf;
 77	__u8 reserved[4];
 78};
 79
 80struct nes_create_qp_req {
 81	__aligned_u64 user_wqe_buffers;
 82	__aligned_u64 user_qp_buffer;
 83};
 84
 85enum iwnes_memreg_type {
 86	IWNES_MEMREG_TYPE_MEM = 0x0000,
 87	IWNES_MEMREG_TYPE_QP = 0x0001,
 88	IWNES_MEMREG_TYPE_CQ = 0x0002,
 89	IWNES_MEMREG_TYPE_MW = 0x0003,
 90	IWNES_MEMREG_TYPE_FMR = 0x0004,
 91	IWNES_MEMREG_TYPE_FMEM = 0x0005,
 92};
 93
 94struct nes_mem_reg_req {
 95	__u32 reg_type;	/* indicates if id is memory, QP or CQ */
 96	__u32 reserved;
 97};
 98
 99struct nes_create_cq_resp {
100	__u32 cq_id;
101	__u32 cq_size;
102	__u32 mmap_db_index;
103	__u32 reserved;
104};
105
106struct nes_create_qp_resp {
107	__u32 qp_id;
108	__u32 actual_sq_size;
109	__u32 actual_rq_size;
110	__u32 mmap_sq_db_index;
111	__u32 mmap_rq_db_index;
112	__u32 nes_drv_opt;
113};
114
115#endif	/* NES_ABI_USER_H */