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 MANA_IB_CREATE_RNIC_CQ = 1 << 0,
21};
22
23struct mana_ib_create_cq {
24 __aligned_u64 buf_addr;
25 __u16 flags;
26 __u16 reserved0;
27 __u32 reserved1;
28};
29
30struct mana_ib_create_cq_resp {
31 __u32 cqid;
32 __u32 reserved;
33};
34
35struct mana_ib_create_qp {
36 __aligned_u64 sq_buf_addr;
37 __u32 sq_buf_size;
38 __u32 port;
39};
40
41struct mana_ib_create_qp_resp {
42 __u32 sqid;
43 __u32 cqid;
44 __u32 tx_vp_offset;
45 __u32 reserved;
46};
47
48struct mana_ib_create_rc_qp {
49 __aligned_u64 queue_buf[4];
50 __u32 queue_size[4];
51};
52
53struct mana_ib_create_rc_qp_resp {
54 __u32 queue_id[4];
55};
56
57struct mana_ib_create_wq {
58 __aligned_u64 wq_buf_addr;
59 __u32 wq_buf_size;
60 __u32 reserved;
61};
62
63/* RX Hash function flags */
64enum mana_ib_rx_hash_function_flags {
65 MANA_IB_RX_HASH_FUNC_TOEPLITZ = 1 << 0,
66};
67
68struct mana_ib_create_qp_rss {
69 __aligned_u64 rx_hash_fields_mask;
70 __u8 rx_hash_function;
71 __u8 reserved[7];
72 __u32 rx_hash_key_len;
73 __u8 rx_hash_key[40];
74 __u32 port;
75};
76
77struct rss_resp_entry {
78 __u32 cqid;
79 __u32 wqid;
80};
81
82struct mana_ib_create_qp_rss_resp {
83 __aligned_u64 num_entries;
84 struct rss_resp_entry entries[64];
85};
86
87#endif
88

source code of linux/include/uapi/rdma/mana-abi.h