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