LXR linux/include/uapi/rdma/qedr-abi.h

   1/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR Linux-OpenIB) */
   2/* QLogic qedr NIC Driver
   3 * Copyright (c) 2015-2016  QLogic Corporation
   4 *
   5 * This software is available to you under a choice of one of two
   6 * licenses.  You may choose to be licensed under the terms of the GNU
   7 * General Public License (GPL) Version 2, available from the file
   8 * COPYING in the main directory of this source tree, or the
   9 * OpenIB.org BSD license below:
  10 *
  11 *     Redistribution and use in source and binary forms, with or
  12 *     without modification, are permitted provided that the following
  13 *     conditions are met:
  14 *
  15 *      - Redistributions of source code must retain the above
  16 *        copyright notice, this list of conditions and the following
  17 *        disclaimer.
  18 *
  19 *      - Redistributions in binary form must reproduce the above
  20 *        copyright notice, this list of conditions and the following
  21 *        disclaimer in the documentation and /or other materials
  22 *        provided with the distribution.
  23 *
  24 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  25 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  26 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  27 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
  28 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  29 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  30 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  31 * SOFTWARE.
  32 */
  33#ifndef __QEDR_USER_H__
  34#define __QEDR_USER_H__
  35
  36#include <linux/types.h>
  37
  38#define QEDR_ABI_VERSION                (8)
  39
  40/* user kernel communication data structures. */
  41
  42struct qedr_alloc_ucontext_resp {
  43        __aligned_u64 db_pa;
  44        __u32 db_size;
  45
  46        __u32 max_send_wr;
  47        __u32 max_recv_wr;
  48        __u32 max_srq_wr;
  49        __u32 sges_per_send_wr;
  50        __u32 sges_per_recv_wr;
  51        __u32 sges_per_srq_wr;
  52        __u32 max_cqes;
  53        __u8 dpm_enabled;
  54        __u8 wids_enabled;
  55        __u16 wid_count;
  56        __u32 reserved;
  57};
  58
  59struct qedr_alloc_pd_ureq {
  60        __aligned_u64 rsvd1;
  61};
  62
  63struct qedr_alloc_pd_uresp {
  64        __u32 pd_id;
  65        __u32 reserved;
  66};
  67
  68struct qedr_create_cq_ureq {
  69        __aligned_u64 addr;
  70        __aligned_u64 len;
  71};
  72
  73struct qedr_create_cq_uresp {
  74        __u32 db_offset;
  75        __u16 icid;
  76        __u16 reserved;
  77};
  78
  79struct qedr_create_qp_ureq {
  80        __u32 qp_handle_hi;
  81        __u32 qp_handle_lo;
  82
  83        /* SQ */
  84        /* user space virtual address of SQ buffer */
  85        __aligned_u64 sq_addr;
  86
  87        /* length of SQ buffer */
  88        __aligned_u64 sq_len;
  89
  90        /* RQ */
  91        /* user space virtual address of RQ buffer */
  92        __aligned_u64 rq_addr;
  93
  94        /* length of RQ buffer */
  95        __aligned_u64 rq_len;
  96};
  97
  98struct qedr_create_qp_uresp {
  99        __u32 qp_id;
 100        __u32 atomic_supported;
 101
 102        /* SQ */
 103        __u32 sq_db_offset;
 104        __u16 sq_icid;
 105
 106        /* RQ */
 107        __u32 rq_db_offset;
 108        __u16 rq_icid;
 109
 110        __u32 rq_db2_offset;
 111        __u32 reserved;
 112};
 113
 114struct qedr_create_srq_ureq {
 115        /* user space virtual address of producer pair */
 116        __aligned_u64 prod_pair_addr;
 117
 118        /* user space virtual address of SRQ buffer */
 119        __aligned_u64 srq_addr;
 120
 121        /* length of SRQ buffer */
 122        __aligned_u64 srq_len;
 123};
 124
 125struct qedr_create_srq_uresp {
 126        __u16 srq_id;
 127        __u16 reserved0;
 128        __u32 reserved1;
 129};
 130
 131#endif /* __QEDR_USER_H__ */
 132