diff options
Diffstat (limited to 'drivers/infiniband/hw/efa/efa_common_defs.h')
| -rw-r--r-- | drivers/infiniband/hw/efa/efa_common_defs.h | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/efa/efa_common_defs.h b/drivers/infiniband/hw/efa/efa_common_defs.h new file mode 100644 index 000000000..90af1c82c --- /dev/null +++ b/drivers/infiniband/hw/efa/efa_common_defs.h @@ -0,0 +1,29 @@ +/* SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause */ +/* + * 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; + + u32 mem_addr_high; +}; + +#endif /* _EFA_COMMON_H_ */ |