drivers/infiniband/hw/efa/efa_common_defs.h

   1 /* SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause */
   2 /*
   3  * Copyright 2018-2020 Amazon.com, Inc. or its affiliates. All rights reserved.
   4  */
   5
   6 #ifndef _EFA_COMMON_H_
   7 #define _EFA_COMMON_H_
   8
   9 #include <linux/bitfield.h>
  10
  11 #define EFA_COMMON_SPEC_VERSION_MAJOR        2
  12 #define EFA_COMMON_SPEC_VERSION_MINOR        0
  13
  14 #define EFA_GET(ptr, mask) FIELD_GET(mask##_MASK, *(ptr))
  15
  16 #define EFA_SET(ptr, mask, value)                                              \
  17         ({                                                                     \
  18                 typeof(ptr) _ptr = ptr;                                        \
  19                 *_ptr = (*_ptr & ~(mask##_MASK)) |                             \
  20                         FIELD_PREP(mask##_MASK, value);                        \
  21         })
  22
  23 struct efa_common_mem_addr {
  24         u32 mem_addr_low;
  25
  26         u32 mem_addr_high;
  27 };
  28
  29 #endif /* _EFA_COMMON_H_ */