summaryrefslogtreecommitdiff
path: root/include/uapi/rdma/mlx4-abi.h
blob: c55f60e05f867953a9ed2d134a7e4e67445bb5ca (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
/*
 * Copyright (c) 2007 Cisco Systems, Inc. All rights reserved.
 * Copyright (c) 2007, 2008 Mellanox Technologies. 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 MLX4_ABI_USER_H
#define MLX4_ABI_USER_H

#include <linux/types.h>

/*
 * Increment this value if any changes that break userspace ABI
 * compatibility are made.
 */

#define MLX4_IB_UVERBS_NO_DEV_CAPS_ABI_VERSION	3
#define MLX4_IB_UVERBS_ABI_VERSION		4

/*
 * Make sure that all structs defined in this file remain laid out so
 * that they pack the same way on 32-bit and 64-bit architectures (to
 * avoid incompatibility between 32-bit userspace and 64-bit kernels).
 * In particular do not use pointer types -- pass pointers in __u64
 * instead.
 */

struct mlx4_ib_alloc_ucontext_resp_v3 {
	__u32	qp_tab_size;
	__u16	bf_reg_size;
	__u16	bf_regs_per_page;
};

struct mlx4_ib_alloc_ucontext_resp {
	__u32	dev_caps;
	__u32	qp_tab_size;
	__u16	bf_reg_size;
	__u16	bf_regs_per_page;
	__u32	cqe_size;
};

struct mlx4_ib_alloc_pd_resp {
	__u32	pdn;
	__u32	reserved;
};

struct mlx4_ib_create_cq {
	__u64	buf_addr;
	__u64	db_addr;
};

struct mlx4_ib_create_cq_resp {
	__u32	cqn;
	__u32	reserved;
};

struct mlx4_ib_resize_cq {
	__u64	buf_addr;
};

struct mlx4_ib_create_srq {
	__u64	buf_addr;
	__u64	db_addr;
};

struct mlx4_ib_create_srq_resp {
	__u32	srqn;
	__u32	reserved;
};

struct mlx4_ib_create_qp_rss {
	__u64   rx_hash_fields_mask;
	__u8    rx_hash_function;
	__u8    reserved[7];
	__u8    rx_hash_key[40];
	__u32   comp_mask;
	__u32   reserved1;
};

struct mlx4_ib_create_qp {
	__u64	buf_addr;
	__u64	db_addr;
	__u8	log_sq_bb_count;
	__u8	log_sq_stride;
	__u8	sq_no_prefetch;
	__u8	reserved;
	__u32	inl_recv_sz;
};

struct mlx4_ib_create_wq {
	__u64	buf_addr;
	__u64	db_addr;
	__u8	log_range_size;
	__u8	reserved[3];
	__u32   comp_mask;
};

struct mlx4_ib_modify_wq {
	__u32	comp_mask;
	__u32	reserved;
};

struct mlx4_ib_create_rwq_ind_tbl_resp {
	__u32	response_length;
	__u32	reserved;
};

/* RX Hash function flags */
enum mlx4_ib_rx_hash_function_flags {
	MLX4_IB_RX_HASH_FUNC_TOEPLITZ	= 1 << 0,
};

/*
 * RX Hash flags, these flags allows to set which incoming packet's field should
 * participates in RX Hash. Each flag represent certain packet's field,
 * when the flag is set the field that is represented by the flag will
 * participate in RX Hash calculation.
 */
enum mlx4_ib_rx_hash_fields {
	MLX4_IB_RX_HASH_SRC_IPV4	= 1 << 0,
	MLX4_IB_RX_HASH_DST_IPV4	= 1 << 1,
	MLX4_IB_RX_HASH_SRC_IPV6	= 1 << 2,
	MLX4_IB_RX_HASH_DST_IPV6	= 1 << 3,
	MLX4_IB_RX_HASH_SRC_PORT_TCP	= 1 << 4,
	MLX4_IB_RX_HASH_DST_PORT_TCP	= 1 << 5,
	MLX4_IB_RX_HASH_SRC_PORT_UDP	= 1 << 6,
	MLX4_IB_RX_HASH_DST_PORT_UDP	= 1 << 7
};

#endif /* MLX4_ABI_USER_H */