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
19 enum mana_ib_create_cq_flags {
20 MANA_IB_CREATE_RNIC_CQ = 1 << 0,
21 };
22
23 struct mana_ib_create_cq {
24 __aligned_u64 buf_addr;
25 __u16 flags;
26 __u16 reserved0;
27 __u32 reserved1;
28 };
29
30 struct mana_ib_create_cq_resp {
31 __u32 cqid;
32 __u32 reserved;
33 };
34
35 struct mana_ib_create_qp {
36 __aligned_u64 sq_buf_addr;
37 __u32 sq_buf_size;
38 __u32 port;
39 };
40
41 struct mana_ib_create_qp_resp {
42 __u32 sqid;
43 __u32 cqid;
44 __u32 tx_vp_offset;
45 __u32 reserved;
46 };
47
48 struct mana_ib_create_rc_qp {
49 __aligned_u64 queue_buf[4];
50 __u32 queue_size[4];
51 };
52
53 struct mana_ib_create_rc_qp_resp {
54 __u32 queue_id[4];
55 };
56
57 struct 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 */
64 enum mana_ib_rx_hash_function_flags {
65 MANA_IB_RX_HASH_FUNC_TOEPLITZ = 1 << 0,
66 };
67
68 struct 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
77 struct rss_resp_entry {
78 __u32 cqid;
79 __u32 wqid;
80 };
81
82 struct mana_ib_create_qp_rss_resp {
83 __aligned_u64 num_entries;
84 struct rss_resp_entry entries[64];
85 };
86
87 #endif
88
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.