xref: /linux/drivers/infiniband/hw/efa/efa_common_defs.h (revision ead5d1f4d877e92c051e1a1ade623d0d30e71619)
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