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