/*
 * include/uapi/linux/tegra_profiler.h
 *
 * Copyright (c) 2013-2020, NVIDIA CORPORATION.  All rights reserved.
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms and conditions of the GNU General Public License,
 * version 2, as published by the Free Software Foundation.
 *
 * This program is distributed in the hope 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 __UAPI_TEGRA_PROFILER_H
#define __UAPI_TEGRA_PROFILER_H

#include <linux/ioctl.h>
#include <linux/types.h>

#define QUADD_SAMPLES_VERSION	49
#define QUADD_IO_VERSION	28

#define QUADD_IO_VERSION_DYNAMIC_RB		5
#define QUADD_IO_VERSION_RB_MAX_FILL_COUNT	6
#define QUADD_IO_VERSION_MOD_STATE_STATUS_FIELD	7
#define QUADD_IO_VERSION_BT_KERNEL_CTX		8
#define QUADD_IO_VERSION_GET_MMAP		9
#define QUADD_IO_VERSION_BT_UNWIND_TABLES	10
#define QUADD_IO_VERSION_UNWIND_MIXED		11
#define QUADD_IO_VERSION_EXTABLES_MMAP		12
#define QUADD_IO_VERSION_ARCH_TIMER_OPT		13
#define QUADD_IO_VERSION_DATA_MMAP		14
#define QUADD_IO_VERSION_BT_LOWER_BOUND		15
#define QUADD_IO_VERSION_STACK_OFFSET		16
#define QUADD_IO_VERSION_SECTIONS_INFO		17
#define QUADD_IO_VERSION_UNW_METHODS_OPT	18
#define QUADD_IO_VERSION_PER_CPU_SETUP		19
#define QUADD_IO_VERSION_TRACE_ALL_TASKS	20
#define QUADD_IO_VERSION_CB_POWER_OF_2		21
#define QUADD_IO_VERSION_RAW_EVENTS		22
#define QUADD_IO_VERSION_SAMPLING_MODE		23
#define QUADD_IO_VERSION_FORCE_ARCH_TIMER	24
#define QUADD_IO_VERSION_SAMPLE_ALL_TASKS	25
#define QUADD_IO_VERSION_EXTABLES_PID		26
#define QUADD_IO_VERSION_SAMPLING_CNTRL		27
#define QUADD_IO_VERSION_UNCORE_EVENTS		28

#define QUADD_SAMPLE_VERSION_THUMB_MODE_FLAG	17
#define QUADD_SAMPLE_VERSION_GROUP_SAMPLES	18
#define QUADD_SAMPLE_VERSION_THREAD_STATE_FLD	19
#define QUADD_SAMPLE_VERSION_BT_UNWIND_TABLES	22
#define QUADD_SAMPLE_VERSION_SUPPORT_IP64	23
#define QUADD_SAMPLE_VERSION_SPECIAL_MMAP	24
#define QUADD_SAMPLE_VERSION_UNWIND_MIXED	25
#define QUADD_SAMPLE_VERSION_UNW_ENTRY_TYPE	26
#define QUADD_SAMPLE_VERSION_USE_ARCH_TIMER	27
#define QUADD_SAMPLE_VERSION_SCHED_SAMPLES	28
#define QUADD_SAMPLE_VERSION_HDR_UNW_METHOD	29
#define QUADD_SAMPLE_VERSION_HDR_ARCH_TIMER	30
#define QUADD_SAMPLE_VERSION_STACK_OFFSET	31
#define QUADD_SAMPLE_VERSION_SCHED_TASK_STATE	32
#define QUADD_SAMPLE_VERSION_URCS		33
#define QUADD_SAMPLE_VERSION_HOTPLUG		34
#define QUADD_SAMPLE_VERSION_PER_CPU_SETUP	35
#define QUADD_SAMPLE_VERSION_REPORT_TGID	36
#define QUADD_SAMPLE_VERSION_MMAP_TS		37
#define QUADD_SAMPLE_VERSION_RAW_EVENTS		38
#define QUADD_SAMPLE_VERSION_OVERHEAD_INFO	39
#define QUADD_SAMPLE_VERSION_REPORT_VPID	40
#define QUADD_SAMPLE_VERSION_SCHED_REPORT_VPID	41
#define QUADD_SAMPLE_VERSION_SAMPLING_MODE	42
#define QUADD_SAMPLE_VERSION_SAMPLE_ALL_TASKS	43
#define QUADD_SAMPLE_VERSION_KTHREAD_TSK_FLAG	44
#define QUADD_SAMPLE_VERSION_MMAP_CPUID		45
#define QUADD_SAMPLE_VERSION_PCLK_SEND_CHANGES	46
#define QUADD_SAMPLE_VERSION_COMM_SAMPLES	47
#define QUADD_SAMPLE_VERSION_UNCORE_EVENTS	48
#define QUADD_SAMPLE_VERSION_SEQID		49

#define QUADD_MMAP_HEADER_VERSION	1

#define QUADD_MAX_COUNTERS	32
#define QUADD_MAX_PROCESS	64

#define QUADD_DEVICE_NAME		"quadd"
#define QUADD_AUTH_DEVICE_NAME		"quadd_auth"

#define QUADD_MOD_DEVICE_NAME		"quadd_mod"
#define QUADD_MOD_AUTH_DEVICE_NAME	"quadd_mod_auth"

#define QUADD_IOCTL	100

/*
 * Setup params (profiling frequency, etc.)
 */
#define IOCTL_SETUP _IOW(QUADD_IOCTL, 0, struct quadd_parameters)

/*
 * Start profiling.
 */
#define IOCTL_START _IO(QUADD_IOCTL, 1)

/*
 * Stop profiling.
 */
#define IOCTL_STOP _IO(QUADD_IOCTL, 2)

/*
 * Getting capabilities
 */
#define IOCTL_GET_CAP _IOR(QUADD_IOCTL, 3, struct quadd_comm_cap)

/*
 * Getting state of module
 */
#define IOCTL_GET_STATE _IOR(QUADD_IOCTL, 4, struct quadd_module_state)

/*
 * Getting version of module
 */
#define IOCTL_GET_VERSION _IOR(QUADD_IOCTL, 5, struct quadd_module_version)

/*
 * Send exception-handling tables info
 * This ioctl is obsolete
 */
/*#define IOCTL_SET_EXTAB _IOW(QUADD_IOCTL, 6, struct quadd_extables)*/

/*
 * Send ring buffer mmap info
 */
#define IOCTL_SET_MMAP_RB _IOW(QUADD_IOCTL, 7, struct quadd_mmap_rb_info)

/*
 * Send sections info
 */
#define IOCTL_SET_SECTIONS_INFO _IOW(QUADD_IOCTL, 8, struct quadd_sections)

/*
 * Per CPU PMU setup
 */
#define IOCTL_SETUP_PMU_FOR_CPU _IOW(QUADD_IOCTL, 9,\
				     struct quadd_pmu_setup_for_cpu)

/*
 * Per CPU capabilities
 */
#define IOCTL_GET_CAP_FOR_CPU _IOWR(QUADD_IOCTL, 10,\
				    struct quadd_comm_cap_for_cpu)



#define QUADD_CPUMODE_TEGRA_POWER_CLUSTER_LP	(1 << 29)	/* LP CPU */
#define QUADD_CPUMODE_THUMB			(1 << 30)	/* thumb mode */

enum quadd_events_id {
	QUADD_EVENT_HW_CPU_CYCLES = 0,

	QUADD_EVENT_HW_INSTRUCTIONS,
	QUADD_EVENT_HW_BRANCH_INSTRUCTIONS,
	QUADD_EVENT_HW_BRANCH_MISSES,
	QUADD_EVENT_HW_BUS_CYCLES,

	QUADD_EVENT_HW_L1_DCACHE_READ_MISSES,
	QUADD_EVENT_HW_L1_DCACHE_WRITE_MISSES,
	QUADD_EVENT_HW_L1_ICACHE_MISSES,

	QUADD_EVENT_HW_L2_DCACHE_READ_MISSES,
	QUADD_EVENT_HW_L2_DCACHE_WRITE_MISSES,
	QUADD_EVENT_HW_L2_ICACHE_MISSES,

	QUADD_EVENT_HW_MAX,
};

enum quadd_record_type {
	QUADD_RECORD_TYPE_SAMPLE = 1,
	QUADD_RECORD_TYPE_MMAP,
	QUADD_RECORD_TYPE_MA,
	QUADD_RECORD_TYPE_COMM,
	QUADD_RECORD_TYPE_DEBUG,
	QUADD_RECORD_TYPE_HEADER,
	QUADD_RECORD_TYPE_POWER_RATE,
	QUADD_RECORD_TYPE_ADDITIONAL_SAMPLE,
	QUADD_RECORD_TYPE_SCHED,
	QUADD_RECORD_TYPE_HOTPLUG,
};

enum quadd_event_source_type {
	QUADD_EVENT_SOURCE_PMU = 1,
	QUADD_EVENT_SOURCE_PL310,
	QUADD_EVENT_SOURCE_CARMEL_UNCORE_PMU,
};

enum quadd_cpu_mode {
	QUADD_CPU_MODE_KERNEL = 1,
	QUADD_CPU_MODE_USER,
	QUADD_CPU_MODE_NONE,
};

#pragma pack(push, 1)

#define QUADD_SAMPLE_URC_MASK		0xff

#define QUADD_SAMPLE_URC_SHIFT_FP	0
#define QUADD_SAMPLE_URC_SHIFT_UT	(1 * 8)
#define QUADD_SAMPLE_URC_SHIFT_DWARF	(2 * 8)

enum {
	QUADD_URC_SUCCESS = 0,
	QUADD_URC_FAILURE,
	QUADD_URC_IDX_NOT_FOUND,
	QUADD_URC_TBL_NOT_EXIST,
	QUADD_URC_EACCESS,
	QUADD_URC_TBL_IS_CORRUPT,
	QUADD_URC_CANTUNWIND,
	QUADD_URC_UNHANDLED_INSTRUCTION,
	QUADD_URC_REFUSE_TO_UNWIND,
	QUADD_URC_SP_INCORRECT,
	QUADD_URC_SPARE_ENCODING,
	QUADD_URC_UNSUPPORTED_PR,
	QUADD_URC_PC_INCORRECT,
	QUADD_URC_LEVEL_TOO_DEEP,
	QUADD_URC_FP_INCORRECT,
	QUADD_URC_NONE,
	QUADD_URC_UNWIND_MISMATCH,
	QUADD_URC_TBL_LINK_INCORRECT,
	QUADD_URC_MAX,
};

#define QUADD_SED_STACK_OFFSET_SHIFT	1
#define QUADD_SED_STACK_OFFSET_MASK	(0xffff << QUADD_SED_STACK_OFFSET_SHIFT)

enum {
	QUADD_UNW_TYPE_FP = 0,
	QUADD_UNW_TYPE_UT,
	QUADD_UNW_TYPE_LR_FP,
	QUADD_UNW_TYPE_LR_UT,
	QUADD_UNW_TYPE_KCTX,
	QUADD_UNW_TYPE_DWARF_EH,
	QUADD_UNW_TYPE_DWARF_DF,
};

#define QUADD_SAMPLE_FLAG_USER_MODE	(1 << 0)
#define QUADD_SAMPLE_FLAG_LP_MODE	(1 << 1)
#define QUADD_SAMPLE_FLAG_THUMB_MODE	(1 << 2)
#define QUADD_SAMPLE_FLAG_STATE		(1 << 3)
#define QUADD_SAMPLE_FLAG_IN_INTERRUPT	(1 << 4)
#define QUADD_SAMPLE_FLAG_IS_VPID	(1 << 5)
#define QUADD_SAMPLE_FLAG_PF_KTHREAD	(1 << 6)
#define QUADD_SAMPLE_FLAG_URCS		(1 << 7)
#define QUADD_SAMPLE_FLAG_IP64		(1 << 8)
#define QUADD_SAMPLE_FLAG_UNCORE	(1 << 9)

struct quadd_sample_data {
	__u64 ip;
	__u32 pid;
	__u32 tgid;
	__u64 time;

	__u8 cpu_id;
	__u32 flags;

	__u8 callchain_nr;
	__u32 events_flags;
};

#define QUADD_MMAP_FLAG_LP_MODE		(1 << 0)
#define QUADD_MMAP_FLAG_USER_MODE	(1 << 1)
#define QUADD_MMAP_FLAG_IS_FILE_EXISTS	(1 << 2)

struct quadd_mmap_data {
	__u32 pid;
	__u64 time;

	__u8 cpu_id;
	__u16 flags;

	__u64 addr;
	__u64 len;

	__u16 filename_length;
};

struct quadd_ma_data {
	__u32 pid;
	__u64 time;

	__u32 vm_size;
	__u32 rss_size;
};

enum {
	QUADD_POWER_CLK_CPU = 1,
	QUADD_POWER_CLK_GPU,
	QUADD_POWER_CLK_EMC,
};

struct quadd_power_rate_data {
	__u8 type;
	__u64 time;
	__u32 cpu_id;

	__u16 nr_values;
	__u32 flags;
};

struct quadd_hotplug_data {
	__u64 time;
	__u32 cpu;

	__u32 is_online:1,
	    reserved:31;
};

struct quadd_additional_sample {
	__u8 type;

	__u32 values[6];
	__u16 extra_length;
};

#define QUADD_SCHED_FLAG_LP_MODE	(1ULL << 0)
#define QUADD_SCHED_FLAG_SCHED_IN	(1ULL << 1)
#define QUADD_SCHED_FLAG_IS_VPID	(1ULL << 2)
#define QUADD_SCHED_FLAG_PF_KTHREAD	(1ULL << 3)

struct quadd_sched_data {
	__u32 pid;
	__u32 tgid;
	__u64 time;

	__u8 cpu_id;
	__u64 flags;
	__u16 task_state;
};

enum {
	QM_DEBUG_SAMPLE_TYPE_SCHED_IN = 1,
	QM_DEBUG_SAMPLE_TYPE_SCHED_OUT,

	QM_DEBUG_SAMPLE_TYPE_TIMER_HANDLE,
	QM_DEBUG_SAMPLE_TYPE_TIMER_START,
	QM_DEBUG_SAMPLE_TYPE_TIMER_CANCEL,
	QM_DEBUG_SAMPLE_TYPE_TIMER_FORWARD,

	QM_DEBUG_SAMPLE_TYPE_READ_COUNTER,

	QM_DEBUG_SAMPLE_TYPE_SOURCE_START,
	QM_DEBUG_SAMPLE_TYPE_SOURCE_STOP,
};

#define QUADD_COMM_FLAG_EXEC	(1U << 0)

struct quadd_comm_data {
	__u32 pid;
	__u32 tgid;
	__u64 time;

	__u16 length;
	__u32 flags;
};

struct quadd_debug_data {
	__u8 type;

	__u32 pid;
	__u64 time;

	__u16	cpu:6,
		user_mode:1,
		lp_mode:1,
		thumb_mode:1,
		reserved:7;

	__u32 extra_value[2];
	__u16 extra_length;
};

#define QUADD_HEADER_MAGIC	0x1122

#define QUADD_HDR_FLAG_BACKTRACE	(1ULL << 0)
#define QUADD_HDR_FLAG_USE_FREQ		(1ULL << 1)
#define QUADD_HDR_FLAG_POWER_RATE	(1ULL << 2)
#define QUADD_HDR_FLAG_DEBUG_SAMPLES	(1ULL << 3)
#define QUADD_HDR_FLAG_GET_MMAP		(1ULL << 4)
#define QUADD_HDR_FLAG_BT_FP		(1ULL << 5)
#define QUADD_HDR_FLAG_BT_UT		(1ULL << 6)
#define QUADD_HDR_FLAG_BT_UT_CE		(1ULL << 7)
#define QUADD_HDR_FLAG_BT_DWARF		(1ULL << 8)
#define QUADD_HDR_FLAG_USE_ARCH_TIMER	(1ULL << 9)
#define QUADD_HDR_FLAG_STACK_OFFSET	(1ULL << 10)
#define QUADD_HDR_FLAG_HAS_CPUID	(1ULL << 11)
#define QUADD_HDR_FLAG_MODE_SAMPLING	(1ULL << 12)
#define QUADD_HDR_FLAG_MODE_TRACING	(1ULL << 13)
#define QUADD_HDR_FLAG_MODE_SAMPLE_ALL	(1ULL << 14)
#define QUADD_HDR_FLAG_MODE_TRACE_ALL	(1ULL << 15)
#define QUADD_HDR_FLAG_MODE_SAMPLE_TREE	(1ULL << 16)
#define QUADD_HDR_FLAG_MODE_TRACE_TREE	(1ULL << 17)
#define QUADD_HDR_FLAG_CPUFREQ		(1ULL << 18)
#define QUADD_HDR_FLAG_UNCORE		(1ULL << 19)

struct quadd_header_data {
	__u16 magic;
	__u64 time;

	__u16 samples_version;
	__u16 io_version;

	__u8 cpu_id;
	__u64 flags;

	__u32 freq;
	__u16 ma_freq;
	__u16 power_rate_freq;

	__u8 nr_events;
	__u16 extra_length;
};

struct quadd_record_data {
	__u8 record_type;
	__u16 extra_size;
	__u32 seqid;

	/* sample: it should be the biggest size */
	union {
		struct quadd_sample_data	sample;
		struct quadd_mmap_data		mmap;
		struct quadd_ma_data		ma;
		struct quadd_debug_data		debug;
		struct quadd_header_data	hdr;
		struct quadd_power_rate_data	power_rate;
		struct quadd_hotplug_data	hotplug;
		struct quadd_sched_data		sched;
		struct quadd_comm_data		comm;
		struct quadd_additional_sample	additional_sample;
	};
} __aligned(4);

#pragma pack(4)

#define QUADD_MAX_PACKAGE_NAME	320

enum {
	QUADD_PARAM_IDX_SIZE_OF_RB	= 0,
	QUADD_PARAM_IDX_EXTRA		= 1,
	QUADD_PARAM_IDX_BT_LOWER_BOUND	= 2,
	QUADD_PARAM_IDX_UNCORE_FREQ	= 4,
};

#define QUADD_PARAM_EXTRA_GET_MMAP		(1 << 0)
#define QUADD_PARAM_EXTRA_BT_FP			(1 << 1)
#define QUADD_PARAM_EXTRA_BT_UT			(1 << 2)
#define QUADD_PARAM_EXTRA_BT_MIXED		(1 << 3)
#define QUADD_PARAM_EXTRA_USE_ARCH_TIMER	(1 << 4)
#define QUADD_PARAM_EXTRA_STACK_OFFSET		(1 << 5)
#define QUADD_PARAM_EXTRA_BT_UT_CE		(1 << 6)
#define QUADD_PARAM_EXTRA_BT_DWARF		(1 << 7)
#define QUADD_PARAM_EXTRA_PER_PMU_SETUP		(1 << 8)
#define QUADD_PARAM_EXTRA_SAMPLING		(1 << 9)
#define QUADD_PARAM_EXTRA_FORCE_ARCH_TIMER	(1 << 10)
#define QUADD_PARAM_EXTRA_SAMPLE_ALL_TASKS	(1 << 11)
#define QUADD_PARAM_EXTRA_SAMPLE_TREE		(1 << 12)
#define QUADD_PARAM_EXTRA_TRACING		(1 << 13)
#define QUADD_PARAM_EXTRA_TRACE_TREE		(1 << 14)
#define QUADD_PARAM_EXTRA_SAMPLING_TIMER	(1 << 15)
#define QUADD_PARAM_EXTRA_SAMPLING_SCHED_OUT	(1 << 16)

enum {
	QUADD_EVENT_TYPE_RAW			= 0,
	QUADD_EVENT_TYPE_HARDWARE		= 1,
	QUADD_EVENT_TYPE_RAW_CARMEL_UNCORE	= 2,

	QUADD_EVENT_TYPE_MAX,
};

struct quadd_event {
	__u32 type;
	__u32 id;
};

struct quadd_parameters {
	__u32 freq;
	__u32 ma_freq;
	__u32 power_rate_freq;

	__u64   backtrace:1,
		use_freq:1,
		system_wide:1,
		debug_samples:1,
		trace_all_tasks:1;

	__u32 pids[QUADD_MAX_PROCESS];
	__u32 nr_pids;

	__u8 package_name[QUADD_MAX_PACKAGE_NAME];

	struct quadd_event events[QUADD_MAX_COUNTERS];
	__u32 nr_events;

	__u32 reserved[16];     /* reserved fields for future extensions */
};

struct quadd_pmu_setup_for_cpu {
	__u32 cpuid;

	struct quadd_event events[QUADD_MAX_COUNTERS];
	__u32 nr_events;

	__u32 reserved[16];
};

struct quadd_events_cap {
	__u32	cpu_cycles:1,
		instructions:1,
		branch_instructions:1,
		branch_misses:1,
		bus_cycles:1,

		l1_dcache_read_misses:1,
		l1_dcache_write_misses:1,
		l1_icache_misses:1,

		l2_dcache_read_misses:1,
		l2_dcache_write_misses:1,
		l2_icache_misses:1;

	__u32 raw_event_mask;
};

enum {
	QUADD_COMM_CAP_IDX_EXTRA = 0,
	QUADD_COMM_CAP_IDX_CPU_MASK = 1,
};

#define QUADD_COMM_CAP_EXTRA_BT_KERNEL_CTX	(1 << 0)
#define QUADD_COMM_CAP_EXTRA_GET_MMAP		(1 << 1)
#define QUADD_COMM_CAP_EXTRA_GROUP_SAMPLES	(1 << 2)
#define QUADD_COMM_CAP_EXTRA_BT_UNWIND_TABLES	(1 << 3)
#define QUADD_COMM_CAP_EXTRA_SUPPORT_AARCH64	(1 << 4)
#define QUADD_COMM_CAP_EXTRA_SPECIAL_ARCH_MMAP	(1 << 5)
#define QUADD_COMM_CAP_EXTRA_UNWIND_MIXED	(1 << 6)
#define QUADD_COMM_CAP_EXTRA_UNW_ENTRY_TYPE	(1 << 7)
#define QUADD_COMM_CAP_EXTRA_ARCH_TIMER		(1 << 8)
#define QUADD_COMM_CAP_EXTRA_RB_MMAP_OP		(1 << 9)
#define QUADD_COMM_CAP_EXTRA_CPU_MASK		(1 << 10)
#define QUADD_COMM_CAP_EXTRA_ARCH_TIMER_USR	(1 << 11)
#define QUADD_COMM_CAP_EXTRA_CPUFREQ		(1 << 12)

struct quadd_comm_cap {
	__u32	pmu:1,
		power_rate:1,
		l2_cache:1,
		l2_multiple_events:1,
		tegra_lp_cluster:1,
		blocked_read:1;

	struct quadd_events_cap events_cap; /* Deprecated. */

	__u32 reserved[16];	/* reserved fields for future extensions */
};

struct quadd_comm_cap_for_cpu {
	__u32	l2_cache:1,
		l2_multiple_events:1;

	__u8 cpuid;
	struct quadd_events_cap events_cap;
};

enum {
	QUADD_MOD_STATE_IDX_RB_MAX_FILL_COUNT = 0,
	QUADD_MOD_STATE_IDX_STATUS,
};

#define QUADD_MOD_STATE_STATUS_IS_ACTIVE	(1 << 0)
#define QUADD_MOD_STATE_STATUS_IS_AUTH_OPEN	(1 << 1)

struct quadd_module_state {
	__u64 nr_all_samples;
	__u64 nr_skipped_samples;

	__u32 buffer_size;
	__u32 buffer_fill_size;

	__u32 reserved[16];	/* reserved fields for future extensions */
};

struct quadd_module_version {
	__u8 branch[32];
	__u8 version[16];

	__u32 samples_version;
	__u32 io_version;

	__u32 reserved[4];	/* reserved fields for future extensions */
};

enum {
	QUADD_SEC_TYPE_EXTAB = 0,
	QUADD_SEC_TYPE_EXIDX,

	QUADD_SEC_TYPE_EH_FRAME,
	QUADD_SEC_TYPE_EH_FRAME_HDR,

	QUADD_SEC_TYPE_DEBUG_FRAME,
	QUADD_SEC_TYPE_DEBUG_FRAME_HDR,

	QUADD_SEC_TYPE_MAX,
};

struct quadd_sec_info {
	__u64 addr;
	__u64 length;

	__u64 mmap_offset;
};

#define QUADD_SECTIONS_FLAG_IS_SHARED	(1ULL << 0)

struct quadd_sections {
	__u64 vm_start;
	__u64 vm_end;

	struct quadd_sec_info sec[QUADD_SEC_TYPE_MAX];

	__u64 user_mmap_start;
	__u32 file_hash;

	__u32 pid;
	__u64 flags;
};

struct quadd_mmap_rb_info {
	__u32 cpu_id;

	__u64 vm_start;
	__u64 vm_end;

	__u32 reserved[4];	/* reserved fields for future extensions */
};

#define QUADD_MMAP_HEADER_MAGIC		0x33445566

struct quadd_mmap_header {
	__u32 magic;
	__u32 version;

	__u32 cpu_id;
	__u32 samples_version;

	__u32 reserved[4];	/* reserved fields for future extensions */
} __aligned(8);

enum {
	QUADD_RB_STATE_NONE = 0,
	QUADD_RB_STATE_ACTIVE,
	QUADD_RB_STATE_STOPPED,
};

struct quadd_ring_buffer_hdr {
	__u32 state;
	__u32 size;

	__u32 pos_read;
	__u32 pos_write;

	__u32 max_fill_count;
	__u32 skipped_samples;

	__u32 reserved[4];	/* reserved fields for future extensions */
} __aligned(8);

#pragma pack(pop)

#endif  /* __UAPI_TEGRA_PROFILER_H */