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/* SPDX-License-Identifier: BSD-3-Clause */
/* Copyright (c) 2020, Intel Corporation
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. 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.
*
* 3. Neither the name of the Intel Corporation nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
/*$FreeBSD$*/
/**
* @file ice_features.h
* @brief device feature controls
*
* Contains a list of various device features which could be enabled or
* disabled.
*/
#ifndef _ICE_FEATURES_H_
#define _ICE_FEATURES_H_
/**
* @enum feat_list
* @brief driver feature enumeration
*
* Enumeration of possible device driver features that can be enabled or
* disabled. Each possible value represents a different feature which can be
* enabled or disabled.
*
* The driver stores a bitmap of the features that the device and OS are
* capable of, as well as another bitmap indicating which features are
* currently enabled for that device.
*/
enum feat_list {
ICE_FEATURE_SRIOV,
ICE_FEATURE_RSS,
ICE_FEATURE_NETMAP,
ICE_FEATURE_FDIR,
ICE_FEATURE_MSI,
ICE_FEATURE_MSIX,
ICE_FEATURE_RDMA,
ICE_FEATURE_SAFE_MODE,
ICE_FEATURE_LENIENT_LINK_MODE,
ICE_FEATURE_DEFAULT_OVERRIDE,
/* Must be last entry */
ICE_FEATURE_COUNT
};
/**
* ice_disable_unsupported_features - Disable features not enabled by OS
* @bitmap: the feature bitmap
*
* Check for OS support of various driver features. Clear the feature bit for
* any feature which is not enabled by the OS. This should be called early
* during driver attach after setting up the feature bitmap.
*
* @remark the bitmap parameter is marked as unused in order to avoid an
* unused parameter warning in case none of the features need to be disabled.
*/
static inline void
ice_disable_unsupported_features(ice_bitmap_t __unused *bitmap)
{
ice_clear_bit(ICE_FEATURE_SRIOV, bitmap);
#ifndef DEV_NETMAP
ice_clear_bit(ICE_FEATURE_NETMAP, bitmap);
#endif
}
#endif
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