/* SPDX-License-Identifier: BSD-3-Clause */ /* Copyright (c) 2023, 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. */ /** * @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_LINK_MGMT_VER_1, ICE_FEATURE_LINK_MGMT_VER_2, ICE_FEATURE_HEALTH_STATUS, ICE_FEATURE_FW_LOGGING, ICE_FEATURE_HAS_PBA, ICE_FEATURE_DCB, ICE_FEATURE_TX_BALANCE, ICE_FEATURE_DUAL_NAC, ICE_FEATURE_TEMP_SENSOR, /* 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