include/uapi/rdma/mana-abi.h

   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