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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hva-hw.h (1135B)

      1/* SPDX-License-Identifier: GPL-2.0 */
      2/*
      3 * Copyright (C) STMicroelectronics SA 2015
      4 * Authors: Yannick Fertre <yannick.fertre@st.com>
      5 *          Hugues Fruchet <hugues.fruchet@st.com>
      6 */
      7
      8#ifndef HVA_HW_H
      9#define HVA_HW_H
     10
     11#include "hva-mem.h"
     12
     13/* HVA Versions */
     14#define HVA_VERSION_UNKNOWN    0x000
     15#define HVA_VERSION_V400       0x400
     16
     17/* HVA command types */
     18enum hva_hw_cmd_type {
     19	/* RESERVED = 0x00 */
     20	/* RESERVED = 0x01 */
     21	H264_ENC = 0x02,
     22	/* RESERVED = 0x03 */
     23	/* RESERVED = 0x04 */
     24	/* RESERVED = 0x05 */
     25	/* RESERVED = 0x06 */
     26	/* RESERVED = 0x07 */
     27	REMOVE_CLIENT = 0x08,
     28	FREEZE_CLIENT = 0x09,
     29	START_CLIENT = 0x0A,
     30	FREEZE_ALL = 0x0B,
     31	START_ALL = 0x0C,
     32	REMOVE_ALL = 0x0D
     33};
     34
     35int hva_hw_probe(struct platform_device *pdev, struct hva_dev *hva);
     36void hva_hw_remove(struct hva_dev *hva);
     37int hva_hw_runtime_suspend(struct device *dev);
     38int hva_hw_runtime_resume(struct device *dev);
     39int hva_hw_execute_task(struct hva_ctx *ctx, enum hva_hw_cmd_type cmd,
     40			struct hva_buffer *task);
     41#ifdef CONFIG_VIDEO_STI_HVA_DEBUGFS
     42void hva_hw_dump_regs(struct hva_dev *hva, struct seq_file *s);
     43#endif
     44
     45#endif /* HVA_HW_H */