blob: 507a2862bedb7528d3103aaeba5ae55af966f834 (
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
|
/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-2-Clause) */
/*
* Copyright 2018-2020 Amazon.com, Inc. or its affiliates. All rights reserved.
*/
#ifndef EFA_ABI_USER_H
#define EFA_ABI_USER_H
#include <linux/types.h>
/*
* Increment this value if any changes that break userspace ABI
* compatibility are made.
*/
#define EFA_UVERBS_ABI_VERSION 1
/*
* Keep structs aligned to 8 bytes.
* Keep reserved fields as arrays of __u8 named reserved_XXX where XXX is the
* hex bit offset of the field.
*/
enum {
EFA_ALLOC_UCONTEXT_CMD_COMP_TX_BATCH = 1 << 0,
EFA_ALLOC_UCONTEXT_CMD_COMP_MIN_SQ_WR = 1 << 1,
};
struct efa_ibv_alloc_ucontext_cmd {
__u32 comp_mask;
__u8 reserved_20[4];
};
enum efa_ibv_user_cmds_supp_udata {
EFA_USER_CMDS_SUPP_UDATA_QUERY_DEVICE = 1 << 0,
EFA_USER_CMDS_SUPP_UDATA_CREATE_AH = 1 << 1,
};
struct efa_ibv_alloc_ucontext_resp {
__u32 comp_mask;
__u32 cmds_supp_udata_mask;
__u16 sub_cqs_per_cq;
__u16 inline_buf_size;
__u32 max_llq_size; /* bytes */
__u16 max_tx_batch; /* units of 64 bytes */
__u16 min_sq_wr;
__u8 reserved_a0[4];
};
struct efa_ibv_alloc_pd_resp {
__u32 comp_mask;
__u16 pdn;
__u8 reserved_30[2];
};
struct efa_ibv_create_cq {
__u32 comp_mask;
__u32 cq_entry_size;
__u16 num_sub_cqs;
__u8 reserved_50[6];
};
struct efa_ibv_create_cq_resp {
__u32 comp_mask;
__u8 reserved_20[4];
__aligned_u64 q_mmap_key;
__aligned_u64 q_mmap_size;
__u16 cq_idx;
__u8 reserved_d0[6];
};
enum {
EFA_QP_DRIVER_TYPE_SRD = 0,
};
struct efa_ibv_create_qp {
__u32 comp_mask;
__u32 rq_ring_size; /* bytes */
__u32 sq_ring_size; /* bytes */
__u32 driver_qp_type;
};
struct efa_ibv_create_qp_resp {
__u32 comp_mask;
/* the offset inside the page of the rq db */
__u32 rq_db_offset;
/* the offset inside the page of the sq db */
__u32 sq_db_offset;
/* the offset inside the page of descriptors buffer */
__u32 llq_desc_offset;
__aligned_u64 rq_mmap_key;
__aligned_u64 rq_mmap_size;
__aligned_u64 rq_db_mmap_key;
__aligned_u64 sq_db_mmap_key;
__aligned_u64 llq_desc_mmap_key;
__u16 send_sub_cq_idx;
__u16 recv_sub_cq_idx;
__u8 reserved_1e0[4];
};
struct efa_ibv_create_ah_resp {
__u32 comp_mask;
__u16 efa_address_handle;
__u8 reserved_30[2];
};
enum {
EFA_QUERY_DEVICE_CAPS_RDMA_READ = 1 << 0,
};
struct efa_ibv_ex_query_device_resp {
__u32 comp_mask;
__u32 max_sq_wr;
__u32 max_rq_wr;
__u16 max_sq_sge;
__u16 max_rq_sge;
__u32 max_rdma_size;
__u32 device_caps;
};
#endif /* EFA_ABI_USER_H */
|
