diff options
| author | Gal Pressman <galpress@amazon.com> | 2020-02-25 13:40:08 +0200 |
|---|---|---|
| committer | Jason Gunthorpe <jgg@mellanox.com> | 2020-02-28 12:12:04 -0400 |
| commit | 88d033077b2c7ca556a96b255bfa0ec502881b10 (patch) | |
| tree | 6d88a52861b3f6e9e16763463123cba48c45834b /drivers/infiniband/hw/efa/efa_common_defs.h | |
| parent | cfec045b822a1c3f8f47604520d3194729d9d2af (diff) | |
RDMA/efa: Unified getters/setters for device structs bitmask access
Use unified macros for device structs access instead of open coding the
shifts and masks over and over again.
Link: https://lore.kernel.org/r/20200225114010.21790-2-galpress@amazon.com
Reviewed-by: Firas JahJah <firasj@amazon.com>
Reviewed-by: Yossi Leybovich <sleybo@amazon.com>
Signed-off-by: Gal Pressman <galpress@amazon.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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; |