mirror of https://gitee.com/openkylin/linux.git
61 lines
2.1 KiB
C
61 lines
2.1 KiB
C
/*
|
|
* Copyright (c) 2014 Mellanox Technologies. All rights reserved.
|
|
*
|
|
* This software is available to you under a choice of one of two
|
|
* licenses. You may choose to be licensed under the terms of the GNU
|
|
* General Public License (GPL) Version 2, available from the file
|
|
* COPYING in the main directory of this source tree, or the
|
|
* OpenIB.org BSD license below:
|
|
*
|
|
* Redistribution and use in source and binary forms, with or
|
|
* without modification, are permitted provided that the following
|
|
* conditions are met:
|
|
*
|
|
* - Redistributions of source code must retain the above
|
|
* copyright notice, this list of conditions and the following
|
|
* disclaimer.
|
|
*
|
|
* - Redistributions in binary form must reproduce the above
|
|
* copyright notice, this list of conditions and the following
|
|
* disclaimer in the documentation and/or other materials
|
|
* provided with the distribution.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
|
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
|
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
|
|
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
|
|
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
|
|
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
|
|
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
|
* SOFTWARE.
|
|
*/
|
|
|
|
#include "mlx5_ib.h"
|
|
|
|
#define COPY_ODP_BIT_MLX_TO_IB(reg, ib_caps, field_name, bit_name) do { \
|
|
if (be32_to_cpu(reg.field_name) & MLX5_ODP_SUPPORT_##bit_name) \
|
|
ib_caps->field_name |= IB_ODP_SUPPORT_##bit_name; \
|
|
} while (0)
|
|
|
|
int mlx5_ib_internal_query_odp_caps(struct mlx5_ib_dev *dev)
|
|
{
|
|
int err;
|
|
struct mlx5_odp_caps hw_caps;
|
|
struct ib_odp_caps *caps = &dev->odp_caps;
|
|
|
|
memset(caps, 0, sizeof(*caps));
|
|
|
|
if (!(dev->mdev->caps.gen.flags & MLX5_DEV_CAP_FLAG_ON_DMND_PG))
|
|
return 0;
|
|
|
|
err = mlx5_query_odp_caps(dev->mdev, &hw_caps);
|
|
if (err)
|
|
goto out;
|
|
|
|
/* At this point we would copy the capability bits that the driver
|
|
* supports from the hw_caps struct to the caps struct. However, no
|
|
* such capabilities are supported so far. */
|
|
out:
|
|
return err;
|
|
}
|