include/uapi/rdma/cxgb4-abi.h

   1 /*
   2  * Copyright (c) 2009-2010 Chelsio, Inc. All rights reserved.
   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 CXGB4_ABI_USER_H
  33 #define CXGB4_ABI_USER_H
  34
  35 #include <linux/types.h>
  36
  37 #define C4IW_UVERBS_ABI_VERSION 3
  38
  39 /*
  40  * Make sure that all structs defined in this file remain laid out so
  41  * that they pack the same way on 32-bit and 64-bit architectures (to
  42  * avoid incompatibility between 32-bit userspace and 64-bit kernels).
  43  * In particular do not use pointer types -- pass pointers in __u64
  44  * instead.
  45  */
  46 struct c4iw_create_cq_resp {
  47         __u64 key;
  48         __u64 gts_key;
  49         __u64 memsize;
  50         __u32 cqid;
  51         __u32 size;
  52         __u32 qid_mask;
  53         __u32 reserved; /* explicit padding (optional for i386) */
  54 };
  55
  56 enum {
  57         C4IW_QPF_ONCHIP = (1 << 0)
  58 };
  59
  60 struct c4iw_create_qp_resp {
  61         __u64 ma_sync_key;
  62         __u64 sq_key;
  63         __u64 rq_key;
  64         __u64 sq_db_gts_key;
  65         __u64 rq_db_gts_key;
  66         __u64 sq_memsize;
  67         __u64 rq_memsize;
  68         __u32 sqid;
  69         __u32 rqid;
  70         __u32 sq_size;
  71         __u32 rq_size;
  72         __u32 qid_mask;
  73         __u32 flags;
  74 };
  75
  76 struct c4iw_alloc_ucontext_resp {
  77         __u64 status_page_key;
  78         __u32 status_page_size;
  79         __u32 reserved; /* explicit padding (optional for i386) */
  80 };
  81 #endif /* CXGB4_ABI_USER_H */