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1/* SPDX-License-Identifier: (GPL-2.0 WITH Linux-syscall-note) */
2/*
3 * Copyright (c) 2022, Microsoft Corporation. All rights reserved.
4 */
5
6#ifndef MANA_ABI_USER_H
7#define MANA_ABI_USER_H
8
9#include <linux/types.h>
10#include <rdma/ib_user_ioctl_verbs.h>
11
12/*
13 * Increment this value if any changes that break userspace ABI
14 * compatibility are made.
15 */
16
17#define MANA_IB_UVERBS_ABI_VERSION 1
18
19enum mana_ib_create_cq_flags {
20 /* Reserved for backward compatibility. Legacy
21 * kernel versions use it to create CQs in RNIC
22 */
23 MANA_IB_CREATE_RNIC_CQ = 1 << 0,
24};
25
26struct mana_ib_create_cq {
27 __aligned_u64 buf_addr;
28 __u16 comp_mask;
29 __u16 reserved0;
30 __u32 reserved1;
31};
32
33struct mana_ib_create_cq_resp {
34 __u32 cqid;
35 __u32 reserved;
36};
37
38struct mana_ib_create_qp {
39 __aligned_u64 sq_buf_addr;
40 __u32 sq_buf_size;
41 __u32 port;
42};
43
44struct mana_ib_create_qp_resp {
45 __u32 sqid;
46 __u32 cqid;
47 __u32 tx_vp_offset;
48 __u32 reserved;
49};
50
51struct mana_ib_create_rc_qp {
52 __aligned_u64 queue_buf[4];
53 __u32 queue_size[4];
54};
55
56struct mana_ib_create_rc_qp_resp {
57 __u32 queue_id[4];
58};
59
60struct mana_ib_create_uc_qp {
61 __aligned_u64 queue_buf[3];
62 __u32 queue_size[3];
63 __u32 comp_mask;
64};
65
66struct mana_ib_create_uc_qp_resp {
67 __u32 queue_id[3];
68 __u32 reserved;
69};
70
71struct mana_ib_create_wq {
72 __aligned_u64 wq_buf_addr;
73 __u32 wq_buf_size;
74 __u32 reserved;
75};
76
77/* RX Hash function flags */
78enum mana_ib_rx_hash_function_flags {
79 MANA_IB_RX_HASH_FUNC_TOEPLITZ = 1 << 0,
80};
81
82struct mana_ib_create_qp_rss {
83 __aligned_u64 rx_hash_fields_mask;
84 __u8 rx_hash_function;
85 __u8 reserved[7];
86 __u32 rx_hash_key_len;
87 __u8 rx_hash_key[40];
88 __u32 port;
89};
90
91struct rss_resp_entry {
92 __u32 cqid;
93 __u32 wqid;
94};
95
96struct mana_ib_create_qp_rss_resp {
97 __aligned_u64 num_entries;
98 struct rss_resp_entry entries[64];
99};
100
101enum mana_ib_ucontext_support {
102 MANA_IB_UCNTX_ALLOC_PDN_SUPPORT = 1 << 0,
103};
104
105struct mana_ib_alloc_ucontext_resp {
106 __aligned_u64 comp_mask;
107};
108
109enum mana_ib_create_pd_flags {
110 MANA_IB_PD_SHORT_PDN = 1 << 0,
111};
112
113struct mana_ib_alloc_pd {
114 __u32 comp_mask;
115 __u32 reserved;
116};
117
118struct mana_ib_alloc_pd_resp {
119 __u32 pdn;
120 __u32 reserved;
121};
122
123#endif