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
19struct mana_ib_create_cq {
20 __aligned_u64 buf_addr;
21};
22
23struct mana_ib_create_qp {
24 __aligned_u64 sq_buf_addr;
25 __u32 sq_buf_size;
26 __u32 port;
27};
28
29struct mana_ib_create_qp_resp {
30 __u32 sqid;
31 __u32 cqid;
32 __u32 tx_vp_offset;
33 __u32 reserved;
34};
35
36struct mana_ib_create_wq {
37 __aligned_u64 wq_buf_addr;
38 __u32 wq_buf_size;
39 __u32 reserved;
40};
41
42/* RX Hash function flags */
43enum mana_ib_rx_hash_function_flags {
44 MANA_IB_RX_HASH_FUNC_TOEPLITZ = 1 << 0,
45};
46
47struct mana_ib_create_qp_rss {
48 __aligned_u64 rx_hash_fields_mask;
49 __u8 rx_hash_function;
50 __u8 reserved[7];
51 __u32 rx_hash_key_len;
52 __u8 rx_hash_key[40];
53 __u32 port;
54};
55
56struct rss_resp_entry {
57 __u32 cqid;
58 __u32 wqid;
59};
60
61struct mana_ib_create_qp_rss_resp {
62 __aligned_u64 num_entries;
63 struct rss_resp_entry entries[64];
64};
65
66#endif
67

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