include/uapi/rdma/cxgb4-abi.h

   1 /* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR Linux-OpenIB) */
   2 /*
   3  * Copyright (c) 2009-2010 Chelsio, Inc. All rights reserved.
   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 CXGB4_ABI_USER_H
  34 #define CXGB4_ABI_USER_H
  35
  36 #include <linux/types.h>
  37
  38 #define C4IW_UVERBS_ABI_VERSION 3
  39
  40 /*
  41  * Make sure that all structs defined in this file remain laid out so
  42  * that they pack the same way on 32-bit and 64-bit architectures (to
  43  * avoid incompatibility between 32-bit userspace and 64-bit kernels).
  44  * In particular do not use pointer types -- pass pointers in __aligned_u64
  45  * instead.
  46  */
  47 struct c4iw_create_cq_resp {
  48         __aligned_u64 key;
  49         __aligned_u64 gts_key;
  50         __aligned_u64 memsize;
  51         __u32 cqid;
  52         __u32 size;
  53         __u32 qid_mask;
  54         __u32 reserved; /* explicit padding (optional for i386) */
  55 };
  56
  57 enum {
  58         C4IW_QPF_ONCHIP = (1 << 0)
  59 };
  60
  61 struct c4iw_create_qp_resp {
  62         __aligned_u64 ma_sync_key;
  63         __aligned_u64 sq_key;
  64         __aligned_u64 rq_key;
  65         __aligned_u64 sq_db_gts_key;
  66         __aligned_u64 rq_db_gts_key;
  67         __aligned_u64 sq_memsize;
  68         __aligned_u64 rq_memsize;
  69         __u32 sqid;
  70         __u32 rqid;
  71         __u32 sq_size;
  72         __u32 rq_size;
  73         __u32 qid_mask;
  74         __u32 flags;
  75 };
  76
  77 struct c4iw_alloc_ucontext_resp {
  78         __aligned_u64 status_page_key;
  79         __u32 status_page_size;
  80         __u32 reserved; /* explicit padding (optional for i386) */
  81 };
  82
  83 struct c4iw_alloc_pd_resp {
  84         __u32 pdid;
  85 };
  86
  87 #endif /* CXGB4_ABI_USER_H */