hw/efa/efa_common_defs.h

0001 /* SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause */
0002 /*
0003  * Copyright 2018-2020 Amazon.com, Inc. or its affiliates. All rights reserved.
0004  */
0005
0006 #ifndef _EFA_COMMON_H_
0007 #define _EFA_COMMON_H_
0008
0009 #include <linux/bitfield.h>
0010
0011 #define EFA_COMMON_SPEC_VERSION_MAJOR        2
0012 #define EFA_COMMON_SPEC_VERSION_MINOR        0
0013
0014 #define EFA_GET(ptr, mask) FIELD_GET(mask##_MASK, *(ptr))
0015
0016 #define EFA_SET(ptr, mask, value)                                              \
0017     ({                                                                     \
0018         typeof(ptr) _ptr = ptr;                                        \
0019         *_ptr = (*_ptr & ~(mask##_MASK)) |                             \
0020             FIELD_PREP(mask##_MASK, value);                        \
0021     })
0022
0023 struct efa_common_mem_addr {
0024     u32 mem_addr_low;
0025
0026     u32 mem_addr_high;
0027 };
0028
0029 #endif /* _EFA_COMMON_H_ */