1 /*
2 * Copyright (c) 2006 - 2009 Intel-NE, Inc. 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 1
43 #define NES_ABI_KERNEL_VER 1
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
53 struct nes_alloc_ucontext_req {
54 __u32 reserved32;
55 __u8 userspace_ver;
56 __u8 reserved8[3];
57 };
58
59 struct 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
68 struct nes_alloc_pd_resp {
69 __u32 pd_id;
70 __u32 mmap_db_index;
71 };
72
73 struct nes_create_cq_req {
74 __u64 user_cq_buffer;
75 __u32 mcrqf;
76 __u8 reserved[4];
77 };
78
79 struct nes_create_qp_req {
80 __u64 user_wqe_buffers;
81 };
82
83 enum iwnes_memreg_type {
84 IWNES_MEMREG_TYPE_MEM = 0x0000,
85 IWNES_MEMREG_TYPE_QP = 0x0001,
86 IWNES_MEMREG_TYPE_CQ = 0x0002,
87 IWNES_MEMREG_TYPE_MW = 0x0003,
88 IWNES_MEMREG_TYPE_FMR = 0x0004,
89 };
90
91 struct nes_mem_reg_req {
92 __u32 reg_type; /* indicates if id is memory, QP or CQ */
93 __u32 reserved;
94 };
95
96 struct nes_create_cq_resp {
97 __u32 cq_id;
98 __u32 cq_size;
99 __u32 mmap_db_index;
100 __u32 reserved;
101 };
102
103 struct nes_create_qp_resp {
104 __u32 qp_id;
105 __u32 actual_sq_size;
106 __u32 actual_rq_size;
107 __u32 mmap_sq_db_index;
108 __u32 mmap_rq_db_index;
109 __u32 nes_drv_opt;
110 };
111
112 #endif /* NES_USER_H */
113
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