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/* Copyright (c) 2016 The Linux Foundation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
* only version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#ifndef MSM_SNAPSHOT_API_H_
#define MSM_SNAPSHOT_API_H_
#include <linux/types.h>
/* High word is the magic, low word is the snapshot header version */
#define SNAPSHOT_MAGIC 0x504D0002
struct msm_snapshot_header {
__u32 magic;
__u32 gpuid;
__u32 chipid;
} __packed;
#define SNAPSHOT_SECTION_MAGIC 0xABCD
struct msm_snapshot_section_header {
__u16 magic;
__u16 id;
__u32 size;
} __packed;
/* Section identifiers */
#define SNAPSHOT_SECTION_OS 0x0101
#define SNAPSHOT_SECTION_REGS_V2 0x0202
#define SNAPSHOT_SECTION_RB_V2 0x0302
#define SNAPSHOT_SECTION_IB_V2 0x0402
#define SNAPSHOT_SECTION_INDEXED_REGS 0x0501
#define SNAPSHOT_SECTION_DEBUG 0x0901
#define SNAPSHOT_SECTION_DEBUGBUS 0x0A01
#define SNAPSHOT_SECTION_GPU_OBJECT_V2 0x0B02
#define SNAPSHOT_SECTION_MEMLIST_V2 0x0E02
#define SNAPSHOT_SECTION_SHADER 0x1201
#define SNAPSHOT_SECTION_END 0xFFFF
#define SNAPSHOT_OS_LINUX_V3 0x00000202
struct msm_snapshot_linux {
struct msm_snapshot_section_header header;
int osid;
__u32 seconds;
__u32 power_flags;
__u32 power_level;
__u32 power_interval_timeout;
__u32 grpclk;
__u32 busclk;
__u64 ptbase;
__u32 pid;
__u32 current_context;
__u32 ctxtcount;
unsigned char release[32];
unsigned char version[32];
unsigned char comm[16];
} __packed;
struct msm_snapshot_ringbuffer {
struct msm_snapshot_section_header header;
int start;
int end;
int rbsize;
int wptr;
int rptr;
int count;
__u32 timestamp_queued;
__u32 timestamp_retired;
__u64 gpuaddr;
__u32 id;
} __packed;
struct msm_snapshot_regs {
struct msm_snapshot_section_header header;
__u32 count;
} __packed;
struct msm_snapshot_indexed_regs {
struct msm_snapshot_section_header header;
__u32 index_reg;
__u32 data_reg;
__u32 start;
__u32 count;
} __packed;
#define SNAPSHOT_DEBUG_CP_MEQ 7
#define SNAPSHOT_DEBUG_CP_PM4_RAM 8
#define SNAPSHOT_DEBUG_CP_PFP_RAM 9
#define SNAPSHOT_DEBUG_CP_ROQ 10
#define SNAPSHOT_DEBUG_SHADER_MEMORY 11
#define SNAPSHOT_DEBUG_CP_MERCIU 12
struct msm_snapshot_debug {
struct msm_snapshot_section_header header;
__u32 type;
__u32 size;
} __packed;
struct msm_snapshot_debugbus {
struct msm_snapshot_section_header header;
__u32 id;
__u32 count;
} __packed;
struct msm_snapshot_shader {
struct msm_snapshot_section_header header;
__u32 type;
__u32 index;
__u32 size;
} __packed;
#define SNAPSHOT_GPU_OBJECT_SHADER 1
#define SNAPSHOT_GPU_OBJECT_IB 2
#define SNAPSHOT_GPU_OBJECT_GENERIC 3
#define SNAPSHOT_GPU_OBJECT_DRAW 4
#define SNAPSHOT_GPU_OBJECT_GLOBAL 5
struct msm_snapshot_gpu_object {
struct msm_snapshot_section_header header;
__u32 type;
__u64 gpuaddr;
__u64 pt_base;
__u64 size;
} __packed;
#endif
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