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         __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
  59 struct qedr_alloc_pd_ureq {
  60         __aligned_u64 rsvd1;
  61 };
  62
  63 struct qedr_alloc_pd_uresp {
  64         __u32 pd_id;
  65         __u32 reserved;
  66 };
  67
  68 struct qedr_create_cq_ureq {
  69         __aligned_u64 addr;
  70         __aligned_u64 len;
  71 };
  72
  73 struct qedr_create_cq_uresp {
  74         __u32 db_offset;
  75         __u16 icid;
  76         __u16 reserved;
  77 };
  78
  79 struct 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
  98 struct 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
 114 #endif /* __QEDR_USER_H__ */