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_jpeg.h (2573B)

      1/*
      2 * Copyright 2019 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
     24#ifndef __AMDGPU_JPEG_H__
     25#define __AMDGPU_JPEG_H__
     26
     27#include "amdgpu_ras.h"
     28
     29#define AMDGPU_MAX_JPEG_INSTANCES	2
     30
     31#define AMDGPU_JPEG_HARVEST_JPEG0 (1 << 0)
     32#define AMDGPU_JPEG_HARVEST_JPEG1 (1 << 1)
     33
     34struct amdgpu_jpeg_reg{
     35	unsigned jpeg_pitch;
     36};
     37
     38struct amdgpu_jpeg_inst {
     39	struct amdgpu_ring ring_dec;
     40	struct amdgpu_irq_src irq;
     41	struct amdgpu_jpeg_reg external;
     42};
     43
     44struct amdgpu_jpeg_ras {
     45	struct amdgpu_ras_block_object ras_block;
     46};
     47
     48struct amdgpu_jpeg {
     49	uint8_t	num_jpeg_inst;
     50	struct amdgpu_jpeg_inst inst[AMDGPU_MAX_JPEG_INSTANCES];
     51	struct amdgpu_jpeg_reg internal;
     52	unsigned harvest_config;
     53	struct delayed_work idle_work;
     54	enum amd_powergating_state cur_state;
     55	struct mutex jpeg_pg_lock;
     56	atomic_t total_submission_cnt;
     57	struct ras_common_if	*ras_if;
     58	struct amdgpu_jpeg_ras	*ras;
     59};
     60
     61int amdgpu_jpeg_sw_init(struct amdgpu_device *adev);
     62int amdgpu_jpeg_sw_fini(struct amdgpu_device *adev);
     63int amdgpu_jpeg_suspend(struct amdgpu_device *adev);
     64int amdgpu_jpeg_resume(struct amdgpu_device *adev);
     65
     66void amdgpu_jpeg_ring_begin_use(struct amdgpu_ring *ring);
     67void amdgpu_jpeg_ring_end_use(struct amdgpu_ring *ring);
     68
     69int amdgpu_jpeg_dec_ring_test_ring(struct amdgpu_ring *ring);
     70int amdgpu_jpeg_dec_ring_test_ib(struct amdgpu_ring *ring, long timeout);
     71
     72int amdgpu_jpeg_process_poison_irq(struct amdgpu_device *adev,
     73				struct amdgpu_irq_src *source,
     74				struct amdgpu_iv_entry *entry);
     75
     76#endif /*__AMDGPU_JPEG_H__*/