diff options
Diffstat (limited to 'drivers/infiniband/hw/efa/efa_common_defs.h')
| -rw-r--r-- | drivers/infiniband/hw/efa/efa_common_defs.h | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/drivers/infiniband/hw/efa/efa_common_defs.h b/drivers/infiniband/hw/efa/efa_common_defs.h index c559ec08898e..90af1c82c9c6 100644 --- a/drivers/infiniband/hw/efa/efa_common_defs.h +++ b/drivers/infiniband/hw/efa/efa_common_defs.h @@ -1,14 +1,25 @@ /* SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause */ /* - * Copyright 2018-2019 Amazon.com, Inc. or its affiliates. All rights reserved. + * Copyright 2018-2020 Amazon.com, Inc. or its affiliates. All rights reserved. */ #ifndef _EFA_COMMON_H_ #define _EFA_COMMON_H_ +#include <linux/bitfield.h> + #define EFA_COMMON_SPEC_VERSION_MAJOR 2 #define EFA_COMMON_SPEC_VERSION_MINOR 0 +#define EFA_GET(ptr, mask) FIELD_GET(mask##_MASK, *(ptr)) + +#define EFA_SET(ptr, mask, value) \ + ({ \ + typeof(ptr) _ptr = ptr; \ + *_ptr = (*_ptr & ~(mask##_MASK)) | \ + FIELD_PREP(mask##_MASK, value); \ + }) + struct efa_common_mem_addr { u32 mem_addr_low; |