/* * SPDX-License-Identifier: MIT * * Copyright © 2017-2018 Intel Corporation */ #ifndef _INTEL_WOPCM_H_ #define _INTEL_WOPCM_H_ #include <linux/types.h> /** * struct intel_wopcm - Overall WOPCM info and WOPCM regions. * @size: Size of overall WOPCM. * @guc: GuC WOPCM Region info. * @guc.base: GuC WOPCM base which is offset from WOPCM base. * @guc.size: Size of the GuC WOPCM region. */ struct intel_wopcm { u32 size; struct { u32 base; u32 size; } guc; }; /** * intel_wopcm_guc_size() * @wopcm: intel_wopcm structure * * Returns size of the WOPCM shadowed region. * * Returns: * 0 if GuC is not present or not in use. * Otherwise, the GuC WOPCM size. */ static inline u32 intel_wopcm_guc_size(struct intel_wopcm *wopcm) { return wopcm->guc.size; } void intel_wopcm_init_early(struct intel_wopcm *wopcm); int intel_wopcm_init(struct intel_wopcm *wopcm); int intel_wopcm_init_hw(struct intel_wopcm *wopcm); #endif