| 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_ */ |
| 30 | |