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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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6b0a8dfdf2
More legacy mmio accessor removal. We pass in intel_gt explicitly allowing code to use new intel_uncore_read/write helpers. Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190621070811.7006-17-tvrtko.ursulin@linux.intel.com
49 lines
988 B
C
49 lines
988 B
C
/*
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* SPDX-License-Identifier: MIT
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*
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* Copyright © 2017-2018 Intel Corporation
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*/
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#ifndef _INTEL_WOPCM_H_
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#define _INTEL_WOPCM_H_
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#include <linux/types.h>
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struct intel_gt;
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/**
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* struct intel_wopcm - Overall WOPCM info and WOPCM regions.
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* @size: Size of overall WOPCM.
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* @guc: GuC WOPCM Region info.
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* @guc.base: GuC WOPCM base which is offset from WOPCM base.
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* @guc.size: Size of the GuC WOPCM region.
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*/
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struct intel_wopcm {
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u32 size;
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struct {
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u32 base;
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u32 size;
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} guc;
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};
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/**
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* intel_wopcm_guc_size()
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* @wopcm: intel_wopcm structure
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*
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* Returns size of the WOPCM shadowed region.
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*
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* Returns:
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* 0 if GuC is not present or not in use.
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* Otherwise, the GuC WOPCM size.
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*/
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static inline u32 intel_wopcm_guc_size(struct intel_wopcm *wopcm)
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{
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return wopcm->guc.size;
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}
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void intel_wopcm_init_early(struct intel_wopcm *wopcm);
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int intel_wopcm_init(struct intel_wopcm *wopcm);
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int intel_wopcm_init_hw(struct intel_wopcm *wopcm, struct intel_gt *gt);
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#endif
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