include/uapi/rdma/qedr-abi.h

   1 /* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-2-Clause) */
   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
  42 struct qedr_alloc_ucontext_resp {
  43         __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 };
  57
  58 struct qedr_alloc_pd_ureq {
  59         __u64 rsvd1;
  60 };
  61
  62 struct qedr_alloc_pd_uresp {
  63         __u32 pd_id;
  64 };
  65
  66 struct qedr_create_cq_ureq {
  67         __u64 addr;
  68         __u64 len;
  69 };
  70
  71 struct qedr_create_cq_uresp {
  72         __u32 db_offset;
  73         __u16 icid;
  74 };
  75
  76 struct qedr_create_qp_ureq {
  77         __u32 qp_handle_hi;
  78         __u32 qp_handle_lo;
  79
  80         /* SQ */
  81         /* user space virtual address of SQ buffer */
  82         __u64 sq_addr;
  83
  84         /* length of SQ buffer */
  85         __u64 sq_len;
  86
  87         /* RQ */
  88         /* user space virtual address of RQ buffer */
  89         __u64 rq_addr;
  90
  91         /* length of RQ buffer */
  92         __u64 rq_len;
  93 };
  94
  95 struct qedr_create_qp_uresp {
  96         __u32 qp_id;
  97         __u32 atomic_supported;
  98
  99         /* SQ */
 100         __u32 sq_db_offset;
 101         __u16 sq_icid;
 102
 103         /* RQ */
 104         __u32 rq_db_offset;
 105         __u16 rq_icid;
 106
 107         __u32 rq_db2_offset;
 108 };
 109
 110 #endif /* __QEDR_USER_H__ */