include/uapi/rdma/qedr-abi.h

   1 /* QLogic qedr NIC Driver
   2  * Copyright (c) 2015-2016  QLogic Corporation
   3  *
   4  * This software is available to you under a choice of one of two
   5  * licenses.  You may choose to be licensed under the terms of the GNU
   6  * General Public License (GPL) Version 2, available from the file
   7  * COPYING in the main directory of this source tree, or the
   8  * OpenIB.org BSD license below:
   9  *
  10  *     Redistribution and use in source and binary forms, with or
  11  *     without modification, are permitted provided that the following
  12  *     conditions are met:
  13  *
  14  *      - Redistributions of source code must retain the above
  15  *        copyright notice, this list of conditions and the following
  16  *        disclaimer.
  17  *
  18  *      - Redistributions in binary form must reproduce the above
  19  *        copyright notice, this list of conditions and the following
  20  *        disclaimer in the documentation and /or other materials
  21  *        provided with the distribution.
  22  *
  23  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  24  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  25  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  26  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
  27  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  28  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  29  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  30  * SOFTWARE.
  31  */
  32 #ifndef __QEDR_USER_H__
  33 #define __QEDR_USER_H__
  34
  35 #include <linux/types.h>
  36
  37 #define QEDR_ABI_VERSION                (8)
  38
  39 /* user kernel communication data structures. */
  40
  41 struct qedr_alloc_ucontext_resp {
  42         __u64 db_pa;
  43         __u32 db_size;
  44
  45         __u32 max_send_wr;
  46         __u32 max_recv_wr;
  47         __u32 max_srq_wr;
  48         __u32 sges_per_send_wr;
  49         __u32 sges_per_recv_wr;
  50         __u32 sges_per_srq_wr;
  51         __u32 max_cqes;
  52 };
  53
  54 struct qedr_alloc_pd_ureq {
  55         __u64 rsvd1;
  56 };
  57
  58 struct qedr_alloc_pd_uresp {
  59         __u32 pd_id;
  60 };
  61
  62 struct qedr_create_cq_ureq {
  63         __u64 addr;
  64         __u64 len;
  65 };
  66
  67 struct qedr_create_cq_uresp {
  68         __u32 db_offset;
  69         __u16 icid;
  70 };
  71
  72 struct qedr_create_qp_ureq {
  73         __u32 qp_handle_hi;
  74         __u32 qp_handle_lo;
  75
  76         /* SQ */
  77         /* user space virtual address of SQ buffer */
  78         __u64 sq_addr;
  79
  80         /* length of SQ buffer */
  81         __u64 sq_len;
  82
  83         /* RQ */
  84         /* user space virtual address of RQ buffer */
  85         __u64 rq_addr;
  86
  87         /* length of RQ buffer */
  88         __u64 rq_len;
  89 };
  90
  91 struct qedr_create_qp_uresp {
  92         __u32 qp_id;
  93         __u32 atomic_supported;
  94
  95         /* SQ */
  96         __u32 sq_db_offset;
  97         __u16 sq_icid;
  98
  99         /* RQ */
 100         __u32 rq_db_offset;
 101         __u16 rq_icid;
 102
 103         __u32 rq_db2_offset;
 104 };
 105
 106 #endif /* __QEDR_USER_H__ */