cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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amdgpu_hdp.h (1920B)

      1/*
      2 * Copyright 2020 Advanced Micro Devices, Inc.
      3 *
      4 * Permission is hereby granted, free of charge, to any person obtaining a
      5 * copy of this software and associated documentation files (the "Software"),
      6 * to deal in the Software without restriction, including without limitation
      7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
      8 * and/or sell copies of the Software, and to permit persons to whom the
      9 * Software is furnished to do so, subject to the following conditions:
     10 *
     11 * The above copyright notice and this permission notice shall be included in
     12 * all copies or substantial portions of the Software.
     13 *
     14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
     17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
     18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
     19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
     20 * OTHER DEALINGS IN THE SOFTWARE.
     21 *
     22 */
     23#ifndef __AMDGPU_HDP_H__
     24#define __AMDGPU_HDP_H__
     25#include "amdgpu_ras.h"
     26
     27struct amdgpu_hdp_ras {
     28	struct amdgpu_ras_block_object ras_block;
     29};
     30
     31struct amdgpu_hdp_funcs {
     32	void (*flush_hdp)(struct amdgpu_device *adev, struct amdgpu_ring *ring);
     33	void (*invalidate_hdp)(struct amdgpu_device *adev,
     34			       struct amdgpu_ring *ring);
     35	void (*update_clock_gating)(struct amdgpu_device *adev, bool enable);
     36	void (*get_clock_gating_state)(struct amdgpu_device *adev, u64 *flags);
     37	void (*init_registers)(struct amdgpu_device *adev);
     38};
     39
     40struct amdgpu_hdp {
     41	struct ras_common_if			*ras_if;
     42	const struct amdgpu_hdp_funcs		*funcs;
     43	struct amdgpu_hdp_ras	*ras;
     44};
     45
     46int amdgpu_hdp_ras_late_init(struct amdgpu_device *adev, struct ras_common_if *ras_block);
     47#endif /* __AMDGPU_HDP_H__ */