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kernel/linux-rt-4.4.41/drivers/infiniband/hw/mlx4/user.h 2.79 KB
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  /*
   * Copyright (c) 2007 Cisco Systems, Inc. All rights reserved.
   * Copyright (c) 2007, 2008 Mellanox Technologies. 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 MLX4_IB_USER_H
  #define MLX4_IB_USER_H
  
  #include <linux/types.h>
  
  /*
   * Increment this value if any changes that break userspace ABI
   * compatibility are made.
   */
  
  #define MLX4_IB_UVERBS_NO_DEV_CAPS_ABI_VERSION	3
  #define MLX4_IB_UVERBS_ABI_VERSION		4
  
  /*
   * 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 mlx4_ib_alloc_ucontext_resp_v3 {
  	__u32	qp_tab_size;
  	__u16	bf_reg_size;
  	__u16	bf_regs_per_page;
  };
  
  struct mlx4_ib_alloc_ucontext_resp {
  	__u32	dev_caps;
  	__u32	qp_tab_size;
  	__u16	bf_reg_size;
  	__u16	bf_regs_per_page;
  	__u32	cqe_size;
  };
  
  struct mlx4_ib_alloc_pd_resp {
  	__u32	pdn;
  	__u32	reserved;
  };
  
  struct mlx4_ib_create_cq {
  	__u64	buf_addr;
  	__u64	db_addr;
  };
  
  struct mlx4_ib_create_cq_resp {
  	__u32	cqn;
  	__u32	reserved;
  };
  
  struct mlx4_ib_resize_cq {
  	__u64	buf_addr;
  };
  
  struct mlx4_ib_create_srq {
  	__u64	buf_addr;
  	__u64	db_addr;
  };
  
  struct mlx4_ib_create_srq_resp {
  	__u32	srqn;
  	__u32	reserved;
  };
  
  struct mlx4_ib_create_qp {
  	__u64	buf_addr;
  	__u64	db_addr;
  	__u8	log_sq_bb_count;
  	__u8	log_sq_stride;
  	__u8	sq_no_prefetch;
  	__u8	reserved[5];
  };
  
  #endif /* MLX4_IB_USER_H */