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kernel/linux-rt-4.4.41/drivers/infiniband/hw/cxgb3/iwch_user.h 2.19 KB
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  /*
   * Copyright (c) 2006 Chelsio, Inc. All rights reserved.
   *
   * This software is available to you under a choice of one of two
   * licenses.  You may choose to be licensed under the terms of the GNU
   * General Public License (GPL) Version 2, available from the file
   * COPYING in the main directory of this source tree, or the
   * OpenIB.org BSD license below:
   *
   *     Redistribution and use in source and binary forms, with or
   *     without modification, are permitted provided that the following
   *     conditions are met:
   *
   *      - Redistributions of source code must retain the above
   *        copyright notice, this list of conditions and the following
   *        disclaimer.
   *
   *      - Redistributions in binary form must reproduce the above
   *        copyright notice, this list of conditions and the following
   *        disclaimer in the documentation and/or other materials
   *        provided with the distribution.
   *
   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
   * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
   * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
   * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
   * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
   * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
   * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
   * SOFTWARE.
   */
  #ifndef __IWCH_USER_H__
  #define __IWCH_USER_H__
  
  #define IWCH_UVERBS_ABI_VERSION	1
  
  /*
   * Make sure that all structs defined in this file remain laid out so
   * that they pack the same way on 32-bit and 64-bit architectures (to
   * avoid incompatibility between 32-bit userspace and 64-bit kernels).
   * In particular do not use pointer types -- pass pointers in __u64
   * instead.
   */
  struct iwch_create_cq_req {
  	__u64 user_rptr_addr;
  };
  
  struct iwch_create_cq_resp_v0 {
  	__u64 key;
  	__u32 cqid;
  	__u32 size_log2;
  };
  
  struct iwch_create_cq_resp {
  	__u64 key;
  	__u32 cqid;
  	__u32 size_log2;
  	__u32 memsize;
  	__u32 reserved;
  };
  
  struct iwch_create_qp_resp {
  	__u64 key;
  	__u64 db_key;
  	__u32 qpid;
  	__u32 size_log2;
  	__u32 sq_size_log2;
  	__u32 rq_size_log2;
  };
  
  struct iwch_reg_user_mr_resp {
  	__u32 pbl_addr;
  };
  #endif