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/* Copyright (c) 2012-2017, 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 _KGSL_SNAPSHOT_H_
#define _KGSL_SNAPSHOT_H_
#include <linux/types.h>
/* Snapshot header */
/* High word is static, low word is snapshot version ID */
#define SNAPSHOT_MAGIC 0x504D0002
/* GPU ID scheme:
* [16:31] - core identifer (0x0002 for 2D or 0x0003 for 3D)
* [00:16] - GPU specific identifier
*/
struct kgsl_snapshot_header {
__u32 magic; /* Magic identifier */
__u32 gpuid; /* GPU ID - see above */
/* Added in snapshot version 2 */
__u32 chipid; /* Chip ID from the GPU */
} __packed;
/* Section header */
#define SNAPSHOT_SECTION_MAGIC 0xABCD
struct kgsl_snapshot_section_header {
__u16 magic; /* Magic identifier */
__u16 id; /* Type of section */
__u32 size; /* Size of the section including this header */
} __packed;
/* Section identifiers */
#define KGSL_SNAPSHOT_SECTION_OS 0x0101
#define KGSL_SNAPSHOT_SECTION_REGS 0x0201
#define KGSL_SNAPSHOT_SECTION_RB 0x0301
#define KGSL_SNAPSHOT_SECTION_RB_V2 0x0302
#define KGSL_SNAPSHOT_SECTION_IB 0x0401
#define KGSL_SNAPSHOT_SECTION_IB_V2 0x0402
#define KGSL_SNAPSHOT_SECTION_INDEXED_REGS 0x0501
#define KGSL_SNAPSHOT_SECTION_ISTORE 0x0801
#define KGSL_SNAPSHOT_SECTION_DEBUG 0x0901
#define KGSL_SNAPSHOT_SECTION_DEBUGBUS 0x0A01
#define KGSL_SNAPSHOT_SECTION_GPU_OBJECT 0x0B01
#define KGSL_SNAPSHOT_SECTION_GPU_OBJECT_V2 0x0B02
#define KGSL_SNAPSHOT_SECTION_MEMLIST 0x0E01
#define KGSL_SNAPSHOT_SECTION_MEMLIST_V2 0x0E02
#define KGSL_SNAPSHOT_SECTION_SHADER 0x1201
#define KGSL_SNAPSHOT_SECTION_END 0xFFFF
/* OS sub-section header */
#define KGSL_SNAPSHOT_OS_LINUX 0x0001
#define KGSL_SNAPSHOT_OS_LINUX_V3 0x00000202
/* Linux OS specific information */
struct kgsl_snapshot_linux {
int osid; /* subsection OS identifier */
int state; /* 1 if the thread is running, 0 for hung */
__u32 seconds; /* Unix timestamp for the snapshot */
__u32 power_flags; /* Current power flags */
__u32 power_level; /* Current power level */
__u32 power_interval_timeout; /* Power interval timeout */
__u32 grpclk; /* Current GP clock value */
__u32 busclk; /* Current busclk value */
__u32 ptbase; /* Current ptbase */
__u32 pid; /* PID of the process that owns the PT */
__u32 current_context; /* ID of the current context */
__u32 ctxtcount; /* Number of contexts appended to section */
unsigned char release[32]; /* kernel release */
unsigned char version[32]; /* kernel version */
unsigned char comm[16]; /* Name of the process that owns the PT */
} __packed;
struct kgsl_snapshot_linux_v2 {
int osid; /* subsection OS identifier */
__u32 seconds; /* Unix timestamp for the snapshot */
__u32 power_flags; /* Current power flags */
__u32 power_level; /* Current power level */
__u32 power_interval_timeout; /* Power interval timeout */
__u32 grpclk; /* Current GP clock value */
__u32 busclk; /* Current busclk value */
__u64 ptbase; /* Current ptbase */
__u32 pid; /* PID of the process that owns the PT */
__u32 current_context; /* ID of the current context */
__u32 ctxtcount; /* Number of contexts appended to section */
unsigned char release[32]; /* kernel release */
unsigned char version[32]; /* kernel version */
unsigned char comm[16]; /* Name of the process that owns the PT */
} __packed;
/*
* This structure contains a record of an active context.
* These are appended one after another in the OS section below
* the header above
*/
struct kgsl_snapshot_linux_context {
__u32 id; /* The context ID */
__u32 timestamp_queued; /* The last queued timestamp */
__u32 timestamp_retired; /* The last timestamp retired by HW */
};
struct kgsl_snapshot_linux_context_v2 {
__u32 id; /* The context ID */
__u32 timestamp_queued; /* The last queued timestamp */
__u32 timestamp_consumed; /* The last timestamp consumed by HW */
__u32 timestamp_retired; /* The last timestamp retired by HW */
};
/* Ringbuffer sub-section header */
struct kgsl_snapshot_rb {
int start; /* dword at the start of the dump */
int end; /* dword at the end of the dump */
int rbsize; /* Size (in dwords) of the ringbuffer */
int wptr; /* Current index of the CPU write pointer */
int rptr; /* Current index of the GPU read pointer */
int count; /* Number of dwords in the dump */
__u32 timestamp_queued; /* The last queued timestamp */
__u32 timestamp_retired; /* The last timestamp retired by HW */
} __packed;
struct kgsl_snapshot_rb_v2 {
int start; /* dword at the start of the dump */
int end; /* dword at the end of the dump */
int rbsize; /* Size (in dwords) of the ringbuffer */
int wptr; /* Current index of the CPU write pointer */
int rptr; /* Current index of the GPU read pointer */
int count; /* Number of dwords in the dump */
__u32 timestamp_queued; /* The last queued timestamp */
__u32 timestamp_retired; /* The last timestamp retired by HW */
__u64 gpuaddr; /* The GPU address of the ringbuffer */
__u32 id; /* Ringbuffer identifier */
} __packed;
/* Replay or Memory list section, both sections have same header */
struct kgsl_snapshot_replay_mem_list {
/*
* Number of IBs to replay for replay section or
* number of memory list entries for mem list section
*/
int num_entries;
/* Pagetable base to which the replay IBs or memory entries belong */
__u32 ptbase;
} __packed;
/* Replay or Memory list section, both sections have same header */
struct kgsl_snapshot_mem_list_v2 {
/*
* Number of IBs to replay for replay section or
* number of memory list entries for mem list section
*/
int num_entries;
/* Pagetable base to which the replay IBs or memory entries belong */
__u64 ptbase;
} __packed;
/* Indirect buffer sub-section header */
struct kgsl_snapshot_ib {
__u32 gpuaddr; /* GPU address of the the IB */
__u32 ptbase; /* Base for the pagetable the GPU address is valid in */
int size; /* Size of the IB */
} __packed;
/* Indirect buffer sub-section header (v2) */
struct kgsl_snapshot_ib_v2 {
__u64 gpuaddr; /* GPU address of the the IB */
__u64 ptbase; /* Base for the pagetable the GPU address is valid in */
__u64 size; /* Size of the IB */
} __packed;
/* Register sub-section header */
struct kgsl_snapshot_regs {
__u32 count; /* Number of register pairs in the section */
} __packed;
/* Indexed register sub-section header */
struct kgsl_snapshot_indexed_regs {
__u32 index_reg; /* Offset of the index register for this section */
__u32 data_reg; /* Offset of the data register for this section */
int start; /* Starting index */
int count; /* Number of dwords in the data */
} __packed;
/* Istore sub-section header */
struct kgsl_snapshot_istore {
int count; /* Number of instructions in the istore */
} __packed;
/* Debug data sub-section header */
/* A2XX debug sections */
#define SNAPSHOT_DEBUG_SX 1
#define SNAPSHOT_DEBUG_CP 2
#define SNAPSHOT_DEBUG_SQ 3
#define SNAPSHOT_DEBUG_SQTHREAD 4
#define SNAPSHOT_DEBUG_MIU 5
/* A3XX debug sections */
#define SNAPSHOT_DEBUG_VPC_MEMORY 6
#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 kgsl_snapshot_debug {
int type; /* Type identifier for the attached tata */
int size; /* Size of the section in dwords */
} __packed;
struct kgsl_snapshot_debugbus {
int id; /* Debug bus ID */
int count; /* Number of dwords in the dump */
} __packed;
struct kgsl_snapshot_shader {
int type; /* SP/TP statetype */
int index; /* SP/TP index */
int size; /* Number of dwords in the dump */
} __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 kgsl_snapshot_gpu_object {
int type; /* Type of GPU object */
__u32 gpuaddr; /* GPU address of the the object */
__u32 ptbase; /* Base for the pagetable the GPU address is valid in */
int size; /* Size of the object (in dwords) */
};
struct kgsl_snapshot_gpu_object_v2 {
int type; /* Type of GPU object */
__u64 gpuaddr; /* GPU address of the the object */
__u64 ptbase; /* Base for the pagetable the GPU address is valid in */
__u64 size; /* Size of the object (in dwords) */
} __packed;
void kgsl_snapshot_push_object(struct kgsl_process_private *process,
uint64_t gpuaddr, uint64_t dwords);
#endif
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