/*
 * Copyright © 2014 Advanced Micro Devices, Inc.
 *
 * Permission is hereby granted, free of charge, to any person
 * obtaining a copy of this software and associated documentation
 * files (the "Software"), to deal in the Software without
 * restriction, including without limitation the rights to use, copy,
 * modify, merge, publish, distribute, sublicense, and/or sell copies
 * of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice (including
 * the next paragraph) shall be included in all copies or substantial
 * portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT.  IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 * DEALINGS IN THE SOFTWARE.
 */

#ifndef _HSAKMTTYPES_H_
#define _HSAKMTTYPES_H_

//the definitions and THUNK API are version specific - define the version numbers here
#define HSAKMT_VERSION_MAJOR    0
#define HSAKMT_VERSION_MINOR    99


#ifdef __cplusplus
extern "C" {
#endif

#if defined(_WIN64) || defined(_WINDOWS) || defined(_WIN32)

    #if defined(_WIN32)
        #define HSAKMTAPI  __stdcall
    #else
        #define HSAKMTAPI
    #endif

    typedef unsigned char      HSAuint8;
    typedef char               HSAint8;
    typedef unsigned short     HSAuint16;
    typedef signed short       HSAint16;
    typedef unsigned __int32   HSAuint32;
    typedef signed __int32     HSAint32;
    typedef signed __int64     HSAint64;
    typedef unsigned __int64   HSAuint64;

#elif defined(__linux__)

#include <stdbool.h>
#include <stdint.h>

    #define HSAKMTAPI

    typedef uint8_t     HSAuint8;
    typedef int8_t      HSAint8;
    typedef uint16_t	HSAuint16;
    typedef int16_t	HSAint16;
    typedef uint32_t	HSAuint32;
    typedef int32_t 	HSAint32;
    typedef int64_t	HSAint64;
    typedef uint64_t	HSAuint64;

#endif

typedef void*              HSA_HANDLE;
typedef HSAuint64          HSA_QUEUEID;
// An HSA_QUEUEID that is never a valid queue ID.
#define INVALID_QUEUEID 0xFFFFFFFFFFFFFFFFULL

// A PID that is never a valid process ID.
#define INVALID_PID 0xFFFFFFFF

// // A HSA_NODEID that is never a valid node ID.
#define INVALID_NODEID 0xFFFFFFFF

// This is included in order to force the alignments to be 4 bytes so that
// it avoids extra padding added by the compiler when a 64-bit binary is generated.
#pragma pack(push, hsakmttypes_h, 4)

//
// HSA STATUS codes returned by the KFD Interfaces
//

typedef enum _HSAKMT_STATUS
{
    HSAKMT_STATUS_SUCCESS                      = 0,  // Operation successful
    HSAKMT_STATUS_ERROR                        = 1,  // General error return if not otherwise specified
    HSAKMT_STATUS_DRIVER_MISMATCH              = 2,  // User mode component is not compatible with kernel HSA driver

    HSAKMT_STATUS_INVALID_PARAMETER            = 3,  // KFD identifies input parameters invalid
    HSAKMT_STATUS_INVALID_HANDLE               = 4,  // KFD identifies handle parameter invalid
    HSAKMT_STATUS_INVALID_NODE_UNIT            = 5,  // KFD identifies node or unit parameter invalid

    HSAKMT_STATUS_NO_MEMORY                    = 6,  // No memory available (when allocating queues or memory)
    HSAKMT_STATUS_BUFFER_TOO_SMALL             = 7,  // A buffer needed to handle a request is too small

    HSAKMT_STATUS_NOT_IMPLEMENTED              = 10, // KFD function is not implemented for this set of paramters
    HSAKMT_STATUS_NOT_SUPPORTED                = 11, // KFD function is not supported on this node
    HSAKMT_STATUS_UNAVAILABLE                  = 12, // KFD function is not available currently on this node (but
                                                     // may be at a later time)
    HSAKMT_STATUS_OUT_OF_RESOURCES             = 13, // KFD function request exceeds the resources currently available.

    HSAKMT_STATUS_KERNEL_IO_CHANNEL_NOT_OPENED = 20, // KFD driver path not opened
    HSAKMT_STATUS_KERNEL_COMMUNICATION_ERROR   = 21, // user-kernel mode communication failure
    HSAKMT_STATUS_KERNEL_ALREADY_OPENED        = 22, // KFD driver path already opened
    HSAKMT_STATUS_HSAMMU_UNAVAILABLE           = 23, // ATS/PRI 1.1 (Address Translation Services) not available
                                                     // (IOMMU driver not installed or not-available)

    HSAKMT_STATUS_WAIT_FAILURE                 = 30, // The wait operation failed
    HSAKMT_STATUS_WAIT_TIMEOUT                 = 31, // The wait operation timed out

    HSAKMT_STATUS_MEMORY_ALREADY_REGISTERED    = 35, // Memory buffer already registered
    HSAKMT_STATUS_MEMORY_NOT_REGISTERED        = 36, // Memory buffer not registered
    HSAKMT_STATUS_MEMORY_ALIGNMENT             = 37, // Memory parameter not aligned

} HSAKMT_STATUS;

//
// HSA KFD interface version information. Calling software has to validate that it meets
// the minimum interface version as described in the API specification.
// All future structures will be extended in a backward compatible fashion.
//

typedef struct _HsaVersionInfo
{
    HSAuint32    KernelInterfaceMajorVersion;    // supported kernel interface major version
    HSAuint32    KernelInterfaceMinorVersion;    // supported kernel interface minor version
} HsaVersionInfo;

//
// HSA Topology Discovery Infrastructure structure definitions.
// The infrastructure implementation is based on design specified in the Kernel HSA Driver ADD
// The discoverable data is retrieved from ACPI structures in the platform infrastructure, as defined
// in the "Heterogeneous System Architecture Detail Topology" specification.
//
// The following structure is returned on a call to hsaKmtAcquireSystemProperties() as output.
// When the call is made within a process context, a "snapshot" of the topology information
// is taken within the KFD to avoid any changes during the enumeration process.
// The Snapshot is released when hsaKmtReleaseSystemProperties() is called
// or when the process exits or is terminated.
//

typedef struct _HsaSystemProperties
{
    HSAuint32    NumNodes;         // the number of "H-NUMA" memory nodes.
                                   // each node represents a discoverable node of the system
                                   // All other enumeration is done on a per-node basis

    HSAuint32    PlatformOem;      // identifies HSA platform, reflects the OEMID in the CRAT
    HSAuint32    PlatformId;       // HSA platform ID, reflects OEM TableID in the CRAT
    HSAuint32    PlatformRev;      // HSA platform revision, reflects Platform Table Revision ID
} HsaSystemProperties;

typedef union
{
    HSAuint32 Value;
    struct
    {
        unsigned int uCode    : 10;  // ucode packet processor version
        unsigned int Major    :  6;  // GFXIP Major engine version
        unsigned int Minor    :  8;  // GFXIP Minor engine version
        unsigned int Stepping :  8;  // GFXIP Stepping info
    }ui32;
} HSA_ENGINE_ID;

typedef union
{
    HSAuint32 Value;
    struct
    {
        unsigned int uCodeSDMA: 10; // ucode version SDMA engine
        unsigned int uCodeRes : 10; // ucode version (reserved)
        unsigned int Reserved : 12; // Reserved, must be 0
    };
} HSA_ENGINE_VERSION;

typedef union
{
    HSAuint32 Value;
    struct
    {
        unsigned int HotPluggable        : 1;    // the node may be removed by some system action
                                                 // (event will be sent)
        unsigned int HSAMMUPresent       : 1;    // This node has an ATS/PRI 1.1 compatible
                                                 // translation agent in the system (e.g. IOMMUv2)
        unsigned int SharedWithGraphics  : 1;    // this HSA nodes' GPU function is also used for OS primary
                                                 // graphics render (= UI)
        unsigned int QueueSizePowerOfTwo : 1;    // This node GPU requires the queue size to be a power of 2 value
        unsigned int QueueSize32bit      : 1;    // This node GPU requires the queue size to be less than 4GB
        unsigned int QueueIdleEvent      : 1;    // This node GPU supports notification on Queue Idle
        unsigned int VALimit             : 1;    // This node GPU has limited VA range for platform
                                                 // (typical 40bit). Affects shared VM use for 64bit apps
        unsigned int WatchPointsSupported: 1;	 // Indicates if Watchpoints are available on the node.
        unsigned int WatchPointsTotalBits: 4;    // Watchpoints available. To determine the number use 2^value

        unsigned int DoorbellType        : 2;    // 0: This node has pre-1.0 doorbell characteristic
                                                 // 1: This node has 1.0 doorbell characteristic
                                                 // 2,3: reserved for future use
        unsigned int AQLQueueDoubleMap   : 1;	 // The unit needs a VA “double map”
        unsigned int DebugTrapSupported  : 1;    // Indicates if Debug Trap is supported on the node.
        unsigned int WaveLaunchTrapOverrideSupported: 1; // Indicates if Wave Launch Trap Override is supported on the node.
        unsigned int WaveLaunchModeSupported: 1; // Indicates if Wave Launch Mode is supported on the node.
        unsigned int PreciseMemoryOperationsSupported: 1; // Indicates if Precise Memory Operations are supported on the node.
        unsigned int DEPRECATED_SRAM_EDCSupport: 1; // Old buggy user mode depends on this being 0
        unsigned int Mem_EDCSupport: 1;          // Indicates if GFX internal DRAM/HBM EDC/ECC functionality is active
        unsigned int RASEventNotify: 1;          // Indicates if GFX extended RASFeatures and RAS EventNotify status is available
        unsigned int ASICRevision: 4;            // Indicates the ASIC revision of the chip on this node.
        unsigned int SRAM_EDCSupport: 1;         // Indicates if GFX internal SRAM EDC/ECC functionality is active
        unsigned int SVMAPISupported     : 1;    // Whether or not the SVM API is supported
        unsigned int CoherentHostAccess: 1;      // Whether or not device memory can be coherently accessed by the host CPU
        unsigned int DebugSupportedFirmware : 1; // Indicates if HWS firmware supports GPU debugging
        unsigned int PreciseALUOperationsSupported : 1; //Indicates if precise ALU operations are supported for GPU debugging
        unsigned int PerQueueResetSupported : 1; // Indicates per-queue reset supported
    } ui32;
} HSA_CAPABILITY;

typedef union
{
    HSAuint32 Value;
    struct
    {
        unsigned int PerSDMAQueueResetSupported : 1;  // Indicates per-sdma queue reset supported
        unsigned int AqlEmulationPm4_ : 1;            // Indicates device uses AQL emulation via PM4 packets
        unsigned int Reserved : 30; // Reserved
    } ui32;
} HSA_CAPABILITY2;

// Debug Properties and values
// HSA runtime may expose a subset of the capabilities outlined to the applicati
typedef union
{
    HSAuint64 Value;
    struct
    {
        HSAuint64 WatchAddrMaskLoBit: 4; // Only bits
                                        // WatchAddrMaskLoBit..WatchAddrMaskHiBit
                                        // of the
        HSAuint64 WatchAddrMaskHiBit: 6; // watch address mask are used.
                                         // 0 is the least significant bit.
        HSAuint64 DispatchInfoAlwaysValid: 1; // 0 if control of TTMP setup is
                                              // controlled on a per process
                                              // basis and is not always enabled
                                              // 1 if TTMP setup is always
                                              // enabled
        HSAuint64 AddressWatchpointShareKind: 1; // whether the address watchpoint
                                                 //     is per process or shared with
                                                 //     all proccesses
                                                 // 0 if shared or unsuppoted
                                                 //    (unsupported indicated by
                                                 //    address_watchpoint_count == 0)
                                                 //    All current devices have shared watchpoints
                                                 // 1 if unshared
        HSAuint64 Reserved: 52;              //
    };
} HSA_DEBUG_PROPERTIES;

//
// HSA node properties. This structure is an output parameter of hsaKmtGetNodeProperties()
// The application or runtime can use the information herein to size the topology management structures
// Unless there is some very weird setup, there is at most one "GPU" device (with a certain number
// of throughput compute units (= SIMDs) associated with a H-NUMA node.
//

#define HSA_PUBLIC_NAME_SIZE        64   // Marketing name string size

typedef struct _HsaNodeProperties
{
    HSAuint32       NumCPUCores;       // # of latency (= CPU) cores present on this HSA node.
                                       // This value is 0 for a HSA node with no such cores,
                                       // e.g a "discrete HSA GPU"
    HSAuint32       NumFComputeCores;  // # of HSA throughtput (= GPU) FCompute cores ("SIMD") present in a node.
                                       // This value is 0 if no FCompute cores are present (e.g. pure "CPU node").
    HSAuint32 NumNeuralCores;          // # of HSA neural processing units (= AIE) present in a
                                       // node. This value is 0 if there are no NeuralCores.
    HSAuint32       NumMemoryBanks;    // # of discoverable memory bank affinity properties on this "H-NUMA" node.
    HSAuint32       NumCaches;         // # of discoverable cache affinity properties on this "H-NUMA"  node.

    HSAuint32       NumIOLinks;        // # of discoverable IO link affinity properties of this node
                                       // connecting to other nodes.

    HSAuint32       CComputeIdLo;      // low value of the logical processor ID of the latency (= CPU)
                                       // cores available on this node
    HSAuint32       FComputeIdLo;      // low value of the logical processor ID of the throughput (= GPU)
                                       // units available on this node

    HSA_CAPABILITY  Capability;        // see above
    HSA_CAPABILITY2  Capability2;      // see above

    HSAuint32       MaxWavesPerSIMD;   // This identifies the max. number of launched waves per SIMD.
                                       // If NumFComputeCores is 0, this value is ignored.
    HSAuint32       LDSSizeInKB;       // Size of Local Data Store in Kilobytes per SIMD Wavefront
    HSAuint32       GDSSizeInKB;       // Size of Global Data Store in Kilobytes shared across SIMD Wavefronts

    HSAuint32       WaveFrontSize;     // Number of SIMD cores per wavefront executed, typically 64,
                                       // may be 32 or a different value for some HSA based architectures

    HSAuint32       NumShaderBanks;    // Number of Shader Banks or Shader Engines, typical values are 1 or 2


    HSAuint32       NumArrays;         // Number of SIMD arrays per engine
    HSAuint32       NumCUPerArray;     // Number of Compute Units (CU) per SIMD array
    HSAuint32       NumSIMDPerCU;      // Number of SIMD representing a Compute Unit (CU)

    HSAuint32       MaxSlotsScratchCU; // Number of temp. memory ("scratch") wave slots available to access,
                                       // may be 0 if HW has no restrictions

    HSA_ENGINE_ID   EngineId;          // Identifier (rev) of the GPU uEngine or Firmware, may be 0
    HSA_ENGINE_ID   OverrideEngineId;  // Identifier (rev) of the Overrided GPU uEngine or Firmware, may be 0

    HSAuint16       VendorId;          // GPU vendor id; 0 on latency (= CPU)-only nodes
    HSAuint16       DeviceId;          // GPU device id; 0 on latency (= CPU)-only nodes

    HSAuint32       LocationId;        // GPU BDF (Bus/Device/function number) - identifies the device
                                       // location in the overall system
    HSAuint64       LocalMemSize;       // Local memory size
    HSAuint32       MaxEngineClockMhzFCompute;  // maximum engine clocks for CPU and
    HSAuint32       MaxEngineClockMhzCCompute;  // GPU function, including any boost caopabilities,
    HSAint32        DrmRenderMinor;             // DRM render device minor device number
    HSAuint16       MarketingName[HSA_PUBLIC_NAME_SIZE];   // Public name of the "device" on the node (board or APU name).
                                       // Unicode string
    HSAuint8        AMDName[HSA_PUBLIC_NAME_SIZE];   //CAL Name of the "device", ASCII
    HSA_ENGINE_VERSION uCodeEngineVersions;
    HSA_DEBUG_PROPERTIES DebugProperties; // Debug properties of this node.
    HSAuint64       HiveID;            // XGMI Hive the GPU node belongs to in the system. It is an opaque and static
                                       // number hash created by the PSP
    HSAuint32       NumSdmaEngines;    // number of PCIe optimized SDMA engines
    HSAuint32       NumSdmaXgmiEngines;// number of XGMI optimized SDMA engines

    HSAuint8        NumSdmaQueuesPerEngine;// number of SDMA queue per one engine
    HSAuint8        NumCpQueues; // number of Compute queues
    HSAuint8        NumGws;            // number of GWS barriers
    HSAuint8        Integrated;        // 0 - discrete GPU, 1 - integrated GPU (including small APU and APP APU)

    HSAuint32       Domain;            // PCI domain of the GPU
    HSAuint64       UniqueID;          // Globally unique immutable id

    HSAuint32       VGPRSizePerCU;     // VGPR size in bytes per CU
    HSAuint32       SGPRSizePerCU;     // SGPR size in bytes per CU

    HSAuint32       NumXcc;            // Number of XCC
    HSAuint32       KFDGpuID;          // GPU Hash ID generated by KFD

    HSAuint32       FamilyID;          // GPU family id

    HSAuint32       CwsrSize;          // Size of the CWSR
    HSAuint32       CtlStackSize;      // Size of the control stack

} HsaNodeProperties;


typedef enum _HSA_HEAPTYPE
{
    HSA_HEAPTYPE_SYSTEM                = 0,
    HSA_HEAPTYPE_FRAME_BUFFER_PUBLIC   = 1, // CPU "visible" part of GPU device local memory (for discrete GPU)
    HSA_HEAPTYPE_FRAME_BUFFER_PRIVATE  = 2, // CPU "invisible" part of GPU device local memory (for discrete GPU)
                                            // All HSA accessible memory is per definition "CPU visible"
                                            // "Private memory" is relevant for graphics interop only.
    HSA_HEAPTYPE_GPU_GDS               = 3, // GPU internal memory (GDS)
    HSA_HEAPTYPE_GPU_LDS               = 4, // GPU internal memory (LDS)
    HSA_HEAPTYPE_GPU_SCRATCH           = 5, // GPU special memory (scratch)
    HSA_HEAPTYPE_DEVICE_SVM            = 6, // sys-memory mapped by device page tables
    HSA_HEAPTYPE_MMIO_REMAP            = 7, // remapped mmio, such as hdp flush registers

    HSA_HEAPTYPE_NUMHEAPTYPES,
    HSA_HEAPTYPE_SIZE                  = 0xFFFFFFFF
} HSA_HEAPTYPE;

typedef union
{
    HSAuint32 MemoryProperty;
    struct
    {
        unsigned int HotPluggable      : 1; // the memory may be removed by some system action,
                                            // memory should be used for temporary data
        unsigned int NonVolatile       : 1; // memory content is preserved across a power-off cycle.
        unsigned int Reserved          :30;
    } ui32;
} HSA_MEMORYPROPERTY;


//
// Discoverable HSA Memory properties.
// The structure is the output parameter of the hsaKmtGetNodeMemoryProperties() function
//

typedef struct _HsaMemoryProperties
{
    HSA_HEAPTYPE    HeapType;          // system or frame buffer,
    union
    {
        HSAuint64   SizeInBytes;       // physical memory size of the memory range in bytes
        struct
        {
            HSAuint32 SizeInBytesLow;  // physical memory size of the memory range in bytes (lower 32bit)
            HSAuint32 SizeInBytesHigh; // physical memory size of the memory range in bytes (higher 32bit)
        } ui32;
    };
    HSA_MEMORYPROPERTY  Flags;         // See definitions above

    HSAuint32    Width;                // memory width - the number of parallel bits of the memory interface
    HSAuint32    MemoryClockMax;       // memory clock for the memory, this allows computing the available bandwidth
                                       // to the memory when needed
    HSAuint64    VirtualBaseAddress;   // if set to value != 0, indicates the virtual base address of the memory
                                       // in process virtual space
} HsaMemoryProperties;

//
// Discoverable Cache Properties. (optional).
// The structure is the output parameter of the hsaKmtGetNodeMemoryProperties() function
// Any of the parameters may be 0 (= not defined)
//

#define HSA_CPU_SIBLINGS            256
#define HSA_PROCESSORID_ALL         0xFFFFFFFF

typedef union
{
    HSAuint32 Value;
    struct
    {
        unsigned int Data           : 1;
        unsigned int Instruction    : 1;
        unsigned int CPU            : 1;
        unsigned int HSACU          : 1;
        unsigned int Reserved       :28;
    } ui32;
} HsaCacheType;

typedef struct _HaCacheProperties
{
    HSAuint32    ProcessorIdLow;   // Identifies the processor number

    HSAuint32    CacheLevel;       // Integer representing level: 1, 2, 3, 4, etc
    HSAuint32    CacheSize;        // Size of the cache
    HSAuint32    CacheLineSize;    // Cache line size in bytes
    HSAuint32    CacheLinesPerTag; // Cache lines per Cache Tag
    HSAuint32    CacheAssociativity; // Cache Associativity
    HSAuint32    CacheLatency;     // Cache latency in ns
    HsaCacheType CacheType;
    HSAuint32    SiblingMap[HSA_CPU_SIBLINGS];
} HsaCacheProperties;


//
// Discoverable CPU Compute Properties. (optional).
// The structure is the output parameter of the hsaKmtGetCComputeProperties() function
// Any of the parameters may be 0 (= not defined)
//

typedef struct _HsaCComputeProperties
{
    HSAuint32    SiblingMap[HSA_CPU_SIBLINGS];
} HsaCComputeProperties;

//
// Discoverable IoLink Properties (optional).
// The structure is the output parameter of the hsaKmtGetIoLinkProperties() function.
// Any of the parameters may be 0 (= not defined)
//

typedef enum _HSA_IOLINKTYPE {
    HSA_IOLINKTYPE_UNDEFINED      = 0,
    HSA_IOLINKTYPE_HYPERTRANSPORT = 1,
    HSA_IOLINKTYPE_PCIEXPRESS     = 2,
    HSA_IOLINKTYPE_AMBA           = 3,
    HSA_IOLINKTYPE_MIPI           = 4,
    HSA_IOLINK_TYPE_QPI_1_1       = 5,
    HSA_IOLINK_TYPE_RESERVED1     = 6,
    HSA_IOLINK_TYPE_RESERVED2     = 7,
    HSA_IOLINK_TYPE_RAPID_IO      = 8,
    HSA_IOLINK_TYPE_INFINIBAND    = 9,
    HSA_IOLINK_TYPE_RESERVED3     = 10,
    HSA_IOLINK_TYPE_XGMI          = 11,
    HSA_IOLINK_TYPE_XGOP          = 12,
    HSA_IOLINK_TYPE_GZ            = 13,
    HSA_IOLINK_TYPE_ETHERNET_RDMA = 14,
    HSA_IOLINK_TYPE_RDMA_OTHER    = 15,
    HSA_IOLINK_TYPE_OTHER         = 16,
    HSA_IOLINKTYPE_NUMIOLINKTYPES,
    HSA_IOLINKTYPE_SIZE           = 0xFFFFFFFF
} HSA_IOLINKTYPE;

typedef union
{
    HSAuint32 LinkProperty;
    struct
    {
        unsigned int Override          : 1;  // bus link properties are determined by this structure
                                             // not by the HSA_IOLINKTYPE. The other flags are valid
                                             // only if this bit is set to one
        unsigned int NonCoherent       : 1;  // The link doesn't support coherent transactions
                                             // memory accesses across must not be set to "host cacheable"!
        unsigned int NoAtomics32bit    : 1;  // The link doesn't support 32bit-wide atomic transactions
        unsigned int NoAtomics64bit    : 1;  // The link doesn't support 64bit-wide atomic transactions
        unsigned int NoPeerToPeerDMA   : 1;  // The link doesn't allow device P2P access
        unsigned int Reserved          :27;
    } ui32;
} HSA_LINKPROPERTY;


typedef struct _HsaIoLinkProperties
{
    HSA_IOLINKTYPE  IoLinkType;      // see above
    HSAuint32    VersionMajor;       // Bus interface version (optional)
    HSAuint32    VersionMinor;       // Bus interface version (optional)

    HSAuint32    NodeFrom;           //
    HSAuint32    NodeTo;             //

    HSAuint32    Weight;             // weight factor (derived from CDIT)

    HSAuint32    MinimumLatency;     // minimum cost of time to transfer (rounded to ns)
    HSAuint32    MaximumLatency;     // maximum cost of time to transfer (rounded to ns)
    HSAuint32    MinimumBandwidth;   // minimum interface Bandwidth in MB/s
    HSAuint32    MaximumBandwidth;   // maximum interface Bandwidth in MB/s
    HSAuint32    RecTransferSize;    // recommended transfer size to reach maximum bandwidth in Bytes
    HSAuint32    RecSdmaEngIdMask;   // recommended sdma engine IDs to reach maximum bandwidth
    HSA_LINKPROPERTY Flags;          // override flags (may be active for specific platforms)
} HsaIoLinkProperties;

//
// Memory allocation definitions for the KFD HSA interface
//

typedef struct _HsaMemFlags
{
    union
    {
        struct
        {
            unsigned int NonPaged    : 1; // default = 0: pageable memory
            unsigned int CachePolicy : 2; // see HSA_CACHING_TYPE
            unsigned int ReadOnly    : 1; // default = 0: Read/Write memory
            unsigned int PageSize    : 2; // see HSA_PAGE_SIZE
            unsigned int HostAccess  : 1; // default = 0: GPU access only
            unsigned int NoSubstitute: 1; // default = 0: if specific memory is not available on node (e.g. on
                                          // discrete GPU local), allocation may fall back to system memory node 0
                                          // memory (= always available). Otherwise no allocation is possible.
            unsigned int GDSMemory   : 1; // default = 0: If set, the allocation will occur in GDS heap.
                                          // HostAccess must be 0, all other flags (except NoSubstitute) should
                                          // be 0 when setting this entry to 1. GDS allocation may fail due to
                                          // limited resources. Application code is required to work without
                                          // any allocated GDS memory using regular memory.
                                          // Allocation fails on any node without GPU function.
            unsigned int Scratch     : 1; // default = 0: If set, the allocation will occur in GPU "scratch area".
                                          // HostAccess must be 0, all other flags (except NoSubstitute) should be 0
                                          // when setting this entry to 1. Scratch allocation may fail due to limited
                                          // resources. Application code is required to work without any allocation.
                                          // Allocation fails on any node without GPU function.
            unsigned int AtomicAccessFull: 1; // default = 0: If set, the memory will be allocated and mapped to allow 
                                              // atomic ops processing. On AMD APU, this will use the ATC path on system 
                                              // memory, irrespective of the NonPaged flag setting (= if NonPaged is set, 
                                              // the memory is pagelocked but mapped through IOMMUv2 instead of GPUVM). 
                                              // All atomic ops must be supported on this memory.
            unsigned int AtomicAccessPartial: 1; // default = 0: See above for AtomicAccessFull description, however 
                                                 // focused on AMD discrete GPU that support PCIe atomics; the memory 
                                                 // allocation is mapped to allow for PCIe atomics to operate on system 
                                                 // memory, irrespective of NonPaged set or the presence of an ATC path 
                                                 // in the system. The atomic operations supported are limited to SWAP, 
                                                 // CompareAndSwap (CAS) and FetchAdd (this PCIe op allows both atomic 
                                                 // increment and decrement via 2-complement arithmetic), which are the 
                                                 // only atomic ops directly supported in PCI Express.
                                                 // On AMD APU, setting this flag will allocate the same type of memory 
                                                 // as AtomicAccessFull, but it will be considered compatible with 
                                                 // discrete GPU atomic operations access.
            unsigned int ExecuteAccess: 1; // default = 0: Identifies if memory is primarily used for data or accessed 
                                           // for executable code (e.g. queue memory) by the host CPU or the device. 
                                           // Influences the page attribute setting within the allocation
            unsigned int CoarseGrain : 1;  // default = 0: The memory can be accessed assuming cache
                                           // coherency maintained by link infrastructure and HSA agents.
                                           // 1: memory consistency needs to be enforced at
                                           // synchronization points at dispatch or other software
                                           // enforced synchronization boundaries.
            unsigned int AQLQueueMemory: 1; // default = 0; If 1: The caller indicates that the memory will be used as AQL queue memory.
					    // The KFD will ensure that the memory returned is allocated in the optimal memory location
					    // and optimal alignment requirements
            unsigned int FixedAddress : 1; // Allocate memory at specified virtual address. Fail if address is not free.
            unsigned int NoNUMABind:    1; // Don't bind system memory to a specific NUMA node
            unsigned int Uncached:      1; // Caching flag for fine-grained memory on A+A HW platform
            unsigned int NoAddress:     1; // only do vram allocation, return a handle, not allocate virtual address.
            unsigned int OnlyAddress:   1; // only do virtal address allocation without vram allocation.
            unsigned int ExtendedCoherent: 1;  // system-scope coherence on atomic instructions
            unsigned int GTTAccess:     1;  // default = 0; If 1: The caller indicates this memory will be mapped to GART for MES
					    // KFD will allocate GTT memory with the Preferred_node set as gpu_id for GART mapping
            unsigned int Contiguous:    1; // Allocate contiguous VRAM
            unsigned int ExecuteBlit:   1; // default = 0; If 1: The caller indicates that the memory is for blit kernel object.
            unsigned int QueueObject:   1; // AQL queue object, used in windows for CPU access to get the read pointer from amd_queue_t
            unsigned int Reserved:      7;

        } ui32;
        HSAuint32 Value;
    };
} HsaMemFlags;

typedef struct _HsaMemMapFlags
{
    union
    {
        struct
        {
            unsigned int Reserved1      :  1; //
            unsigned int CachePolicy    :  2; // see HSA_CACHING_TYPE
            unsigned int ReadOnly       :  1; // memory is not modified while mapped
            	    	    	    	      // allows migration scale-out
	    unsigned int PageSize	    :  2; // see HSA_PAGE_SIZE, hint to use
					  // this page size if possible and
					  // smaller than default
	    unsigned int HostAccess     :  1; // default = 0: GPU access only
	    unsigned int Migrate        :  1; // Hint: Allows migration to local mem
						  // of mapped GPU(s), instead of mapping
						  // physical location
            unsigned int Probe          :  1;     // default = 0: Indicates that a range
                                                  // will be mapped by the process soon,
						  // but does not initiate a map operation
						  // may trigger eviction of nonessential
						  // data from the memory, reduces latency
						  // “cleanup hint” only, may be ignored
            unsigned int Reserved       : 23;
        } ui32;
        HSAuint32 Value;
    };
} HsaMemMapFlags;

typedef struct _HsaGraphicsResourceInfo {
    void       *MemoryAddress;      // For use in hsaKmtMapMemoryToGPU(Nodes)
    HSAuint64  SizeInBytes;         // Buffer size
    const void *Metadata;           // Pointer to metadata owned by Thunk
    HSAuint32  MetadataSizeInBytes; // Size of metadata
    HSAuint32  NodeId;              // GPU exported the buffer
} HsaGraphicsResourceInfo;

typedef enum _HSA_CACHING_TYPE
{
    HSA_CACHING_CACHED        = 0,
    HSA_CACHING_NONCACHED     = 1,
    HSA_CACHING_WRITECOMBINED = 2,
    HSA_CACHING_RESERVED      = 3,
    HSA_CACHING_NUM_CACHING,
    HSA_CACHING_SIZE          = 0xFFFFFFFF
} HSA_CACHING_TYPE;

typedef enum _HSA_PAGE_SIZE
{
    HSA_PAGE_SIZE_4KB         = 0,
    HSA_PAGE_SIZE_64KB        = 1,  //64KB pages, not generally available in systems
    HSA_PAGE_SIZE_2MB         = 2,
    HSA_PAGE_SIZE_1GB         = 3,  //1GB pages, not generally available in systems
} HSA_PAGE_SIZE;


typedef enum _HSA_DEVICE
{
    HSA_DEVICE_CPU  = 0,
    HSA_DEVICE_GPU  = 1,
    MAX_HSA_DEVICE  = 2
} HSA_DEVICE;


typedef enum _HSA_QUEUE_PRIORITY
{
    HSA_QUEUE_PRIORITY_MINIMUM        = -3,
    HSA_QUEUE_PRIORITY_LOW            = -2,
    HSA_QUEUE_PRIORITY_BELOW_NORMAL   = -1,
    HSA_QUEUE_PRIORITY_NORMAL         =  0,
    HSA_QUEUE_PRIORITY_ABOVE_NORMAL   =  1,
    HSA_QUEUE_PRIORITY_HIGH           =  2,
    HSA_QUEUE_PRIORITY_MAXIMUM        =  3,
    HSA_QUEUE_PRIORITY_NUM_PRIORITY,
    HSA_QUEUE_PRIORITY_SIZE           = 0xFFFFFFFF
} HSA_QUEUE_PRIORITY;

typedef enum _HSA_QUEUE_TYPE
{
    HSA_QUEUE_COMPUTE            = 1,  // AMD PM4 compatible Compute Queue
    HSA_QUEUE_SDMA               = 2,  // PCIe optimized SDMA Queue, used for data transport and format conversion (e.g. (de-)tiling, etc).
    HSA_QUEUE_MULTIMEDIA_DECODE  = 3,  // reserved, for HSA multimedia decode queue
    HSA_QUEUE_MULTIMEDIA_ENCODE  = 4,  // reserved, for HSA multimedia encode queue
    HSA_QUEUE_SDMA_XGMI          = 5,  // XGMI optimized SDMA Queue
    HSA_QUEUE_SDMA_BY_ENG_ID     = 6,  // Queue with specified SDMA engine ID

    // the following values indicate a queue type permitted to reference OS graphics
    // resources through the interoperation API. See [5] "HSA Graphics Interoperation
    // specification" for more details on use of such resources.

    HSA_QUEUE_COMPUTE_OS           = 11, // AMD PM4 compatible Compute Queue
    HSA_QUEUE_SDMA_OS              = 12, // SDMA Queue, used for data transport and format conversion (e.g. (de-)tiling, etc).
    HSA_QUEUE_MULTIMEDIA_DECODE_OS = 13, // reserved, for HSA multimedia decode queue
    HSA_QUEUE_MULTIMEDIA_ENCODE_OS = 14,  // reserved, for HSA multimedia encode queue

    HSA_QUEUE_COMPUTE_AQL          = 21, // HSA AQL packet compatible Compute Queue
    HSA_QUEUE_DMA_AQL              = 22, // HSA AQL packet compatible DMA Queue
    HSA_QUEUE_DMA_AQL_XGMI         = 23, // HSA AQL packet compatible XGMI optimized DMA Queue

    // more types in the future

    HSA_QUEUE_TYPE_SIZE            = 0xFFFFFFFF     //aligns to 32bit enum
} HSA_QUEUE_TYPE;

/**
  The user context save area is page aligned. The HsaUserContextSaveAreaHeader
  header starts at offset 0. Space for a user space copy of the control stack
  comes next and is immediately followed by the user space wave save state. The
  start of the user space wave save state is page aligned. The debugger reserved
  area comes next and is 64 byte aligned.

  The user context save area is valid for the duration that the associated
  queue exists. When a context save occurs, the HsaUserContextSaveAreaHeader
  header will be updated with information about the context save. The context
  save area is not modified by any other operation, including a context resume.
 */

typedef struct
{
    HSAuint32 ControlStackOffset;  // Byte offset from start of user context
                                 // save area to the last saved top (lowest
                                 // address) of control stack data. Must be
                                 // 4 byte aligned.
    HSAuint32 ControlStackSize;  // Byte size of the last saved control stack
                                 // data. Must be 4 byte aligned.
    HSAuint32 WaveStateOffset;   // Byte offset from start of user context save
                                 // area to the last saved base (lowest address)
                                 // of wave state data. Must be 4 byte aligned.
    HSAuint32 WaveStateSize;     // Byte size of the last saved wave state data.
                                 // Must be 4 byte aligned.
    HSAuint32 DebugOffset;       // Byte offset from start of the user context
                                 // save area to the memory reserved for the
                                 // debugger. Must be 64 byte aligned.
    HSAuint32 DebugSize;         // Byte size of the memory reserved for the
                                 // debugger. Must be 64 byte aligned.
    volatile HSAint64 *ErrorReason;      // Address of the HSA signal payload for
                                         // reporting the error reason bitmask.
                                         // Must be 4 byte aligned.
    HSAuint32 ErrorEventId;      // Event ID used for exception signalling.
                                 // Must be 4 byte aligned.
    HSAuint32 Reserved1;
} HsaUserContextSaveAreaHeader;


typedef struct
{
	HSAuint32 QueueDetailError;	// HW specific queue error state
	HSAuint32 QueueTypeExtended;	// HW specific queue type info.
					// 0 = no information
	HSAuint32 NumCUAssigned;	// size of *CUMaskInfo bit array, Multiple
					// of 32, 0 = no information
	HSAuint32* CUMaskInfo;		// runtime/system CU assignment for realtime
					// queue & reserved CU priority. Ptr to
					// bit-array, each bit represents one CU.
					// NULL = no information
	HSAuint32* UserContextSaveArea;	// reference to user space context save area
	HSAuint64 SaveAreaSizeInBytes;	// Must be 4-Byte aligned
	HSAuint32* ControlStackTop;	// ptr to the TOS
	HSAuint64 ControlStackUsedInBytes; // Must be 4-Byte aligned
	HsaUserContextSaveAreaHeader *SaveAreaHeader;
	HSAuint64 Reserved2;		// runtime/system CU assignment
} HsaQueueInfo;

typedef struct _HsaQueueResource
{
    HSA_QUEUEID     QueueId;    /** queue ID */
    /** Doorbell address to notify HW of a new dispatch */
    union
    {
        HSAuint32*  Queue_DoorBell;
        HSAuint64*  Queue_DoorBell_aql;
        HSAuint64   QueueDoorBell;
    };

    /** virtual address to notify HW of queue write ptr value */
    union
    {
        HSAuint32*  Queue_write_ptr;
        HSAuint64*  Queue_write_ptr_aql;
        HSAuint64   QueueWptrValue;
    };

    /** virtual address updated by HW to indicate current read location */
    union
    {
        HSAuint32*  Queue_read_ptr;
        HSAuint64*  Queue_read_ptr_aql;
        HSAuint64   QueueRptrValue;
    };

    volatile HSAint64* ErrorReason;  /** exception bits signal payload */
} HsaQueueResource;


//TEMPORARY structure definition - to be used only on "Triniti + Southern Islands" platform
typedef struct _HsaQueueReport
{
    HSAuint32     VMID;         //Required on SI to dispatch IB in primary ring
    void*         QueueAddress; //virtual address of UM mapped compute ring
    HSAuint64     QueueSize;    //size of the UM mapped compute ring
} HsaQueueReport;



typedef enum _HSA_DBG_WAVEOP
{
    HSA_DBG_WAVEOP_HALT        = 1, //Halts a wavefront
    HSA_DBG_WAVEOP_RESUME      = 2, //Resumes a wavefront
    HSA_DBG_WAVEOP_KILL        = 3, //Kills a wavefront
    HSA_DBG_WAVEOP_DEBUG       = 4, //Causes wavefront to enter debug mode
    HSA_DBG_WAVEOP_TRAP        = 5, //Causes wavefront to take a trap
    HSA_DBG_NUM_WAVEOP         = 5,
    HSA_DBG_MAX_WAVEOP         = 0xFFFFFFFF
} HSA_DBG_WAVEOP;

typedef enum _HSA_DBG_WAVEMODE
{
    HSA_DBG_WAVEMODE_SINGLE               = 0,  //send command to a single wave
    //Broadcast to all wavefronts of all processes is not supported for HSA user mode
    HSA_DBG_WAVEMODE_BROADCAST_PROCESS    = 2,  //send to waves within current process
    HSA_DBG_WAVEMODE_BROADCAST_PROCESS_CU = 3,  //send to waves within current process on CU
    HSA_DBG_NUM_WAVEMODE                  = 3,
    HSA_DBG_MAX_WAVEMODE                  = 0xFFFFFFFF
} HSA_DBG_WAVEMODE;


typedef enum _HSA_DBG_WAVEMSG_TYPE
{
    HSA_DBG_WAVEMSG_AUTO    = 0,
    HSA_DBG_WAVEMSG_USER    = 1,
    HSA_DBG_WAVEMSG_ERROR   = 2,
    HSA_DBG_NUM_WAVEMSG,
    HSA_DBG_MAX_WAVEMSG     = 0xFFFFFFFF
} HSA_DBG_WAVEMSG_TYPE;

typedef enum _HSA_DBG_WATCH_MODE
{
    HSA_DBG_WATCH_READ        = 0, //Read operations only
    HSA_DBG_WATCH_NONREAD     = 1, //Write or Atomic operations only
    HSA_DBG_WATCH_ATOMIC      = 2, //Atomic Operations only
    HSA_DBG_WATCH_ALL         = 3, //Read, Write or Atomic operations
    HSA_DBG_WATCH_NUM
} HSA_DBG_WATCH_MODE;

typedef enum _HSA_DBG_TRAP_OVERRIDE
{
  HSA_DBG_TRAP_OVERRIDE_OR      = 0, // Bitwise OR exception mask with HSA_DBG_TRAP_MASK
  HSA_DBG_TRAP_OVERRIDE_REPLACE = 1, // Replace exception mask with HSA_DBG_TRAP_MASK
  HSA_DBG_TRAP_OVERRIDE_NUM
} HSA_DBG_TRAP_OVERRIDE;

typedef enum _HSA_DBG_TRAP_MASK
{
  HSA_DBG_TRAP_MASK_FP_INVALID           = 1,   // Floating point invalid operation
  HSA_DBG_TRAP_MASK_FP_INPUT_DENOMAL     = 2,   // Floating point input denormal
  HSA_DBG_TRAP_MASK_FP_DIVIDE_BY_ZERO    = 4,   // Floating point divide by zero
  HSA_DBG_TRAP_MASK_FP_OVERFLOW          = 8,   // Floating point overflow
  HSA_DBG_TRAP_MASK_FP_UNDERFLOW         = 16,  // Floating point underflow
  HSA_DBG_TRAP_MASK_FP_INEXACT           = 32,  // Floating point inexact
  HSA_DBG_TRAP_MASK_INT_DIVIDE_BY_ZERO   = 64,  // Integer divide by zero
  HSA_DBG_TRAP_MASK_DBG_ADDRESS_WATCH    = 128, // Debug address watch
  HSA_DBG_TRAP_MASK_DBG_MEMORY_VIOLATION = 256  // Memory violation
} HSA_DBG_TRAP_MASK;

typedef enum _HSA_DBG_TRAP_EXCEPTION_CODE {
	HSA_DBG_EC_NONE = 0,
	/* per queue */
	HSA_DBG_EC_QUEUE_WAVE_ABORT = 1,
	HSA_DBG_EC_QUEUE_WAVE_TRAP = 2,
	HSA_DBG_EC_QUEUE_WAVE_MATH_ERROR = 3,
	HSA_DBG_EC_QUEUE_WAVE_ILLEGAL_INSTRUCTION = 4,
	HSA_DBG_EC_QUEUE_WAVE_MEMORY_VIOLATION = 5,
	HSA_DBG_EC_QUEUE_WAVE_APERTURE_VIOLATION = 6,
	HSA_DBG_EC_QUEUE_PACKET_DISPATCH_DIM_INVALID = 16,
	HSA_DBG_EC_QUEUE_PACKET_DISPATCH_GROUP_SEGMENT_SIZE_INVALID = 17,
	HSA_DBG_EC_QUEUE_PACKET_DISPATCH_CODE_INVALID = 18,
	HSA_DBG_EC_QUEUE_PACKET_RESERVED = 19,
	HSA_DBG_EC_QUEUE_PACKET_UNSUPPORTED = 20,
	HSA_DBG_EC_QUEUE_PACKET_DISPATCH_WORK_GROUP_SIZE_INVALID = 21,
	HSA_DBG_EC_QUEUE_PACKET_DISPATCH_REGISTER_INVALID = 22,
	HSA_DBG_EC_QUEUE_PACKET_VENDOR_UNSUPPORTED = 23,
	HSA_DBG_EC_QUEUE_PREEMPTION_ERROR = 30,
	HSA_DBG_EC_QUEUE_NEW = 31,
	/* per device */
	HSA_DBG_EC_DEVICE_QUEUE_DELETE = 32,
	HSA_DBG_EC_DEVICE_MEMORY_VIOLATION = 33,
	HSA_DBG_EC_DEVICE_RAS_ERROR = 34,
	HSA_DBG_EC_DEVICE_FATAL_HALT = 35,
	HSA_DBG_EC_DEVICE_NEW = 36,
	/* per process */
	HSA_DBG_EC_PROCESS_RUNTIME = 48,
	HSA_DBG_EC_PROCESS_DEVICE_REMOVE = 49,
	HSA_DBG_EC_MAX
} HSA_DBG_TRAP_EXCEPTION_CODE;

/* Mask generated by ecode defined in enum above. */
#define HSA_EC_MASK(ecode)	(1ULL << (ecode - 1))

typedef enum _HSA_DBG_WAVE_LAUNCH_MODE
{
    HSA_DBG_WAVE_LAUNCH_MODE_NORMAL      = 0, // Wavefront launched normally.
    HSA_DBG_WAVE_LAUNCH_MODE_HALT        = 1, // Wavefront launched in halted mode.
    HSA_DBG_WAVE_LAUNCH_MODE_KILL        = 2, // Wavefront is launched but immediately
                                              // terminated before executing any instructions.
    HSA_DBG_WAVE_LAUNCH_MODE_SINGLE_STEP = 3, // Wavefront is launched in single step (debug)
                                              // mode. If debug trap is enabled by
                                              // hsaKmtDbgEnableDebugTrap() then causes a
                                              // trap after executing each instruction,
                                              // otherwise behaves the same as
                                              // HSA_DBG_WAVE_LAUNCH_MODE_NORMAL.
    HSA_DBG_WAVE_LAUNCH_MODE_DISABLE     = 4, // Disable launching any new waves.
    HSA_DBG_WAVE_LAUNCH_MODE_NUM
} HSA_DBG_WAVE_LAUNCH_MODE;

/**
 *    There are no flags currently defined.
 */
typedef enum HSA_DBG_NODE_CONTROL {
    HSA_DBG_NODE_CONTROL_FLAG_MAX = 0x01
} HSA_DBG_NODE_CONTROL;

#define HSA_RUNTIME_ENABLE_CAPS_SUPPORTS_CORE_DUMP_MASK 0x80000000

//This structure is hardware specific and may change in the future
typedef struct _HsaDbgWaveMsgAMDGen2
{
    HSAuint32      Value;
    HSAuint32      Reserved2;

} HsaDbgWaveMsgAMDGen2;

typedef union _HsaDbgWaveMessageAMD
{
    HsaDbgWaveMsgAMDGen2    WaveMsgInfoGen2;
    //for future HsaDbgWaveMsgAMDGen3;
} HsaDbgWaveMessageAMD;

typedef struct _HsaDbgWaveMessage
{
    void*                   MemoryVA;         // ptr to associated host-accessible data
    HsaDbgWaveMessageAMD    DbgWaveMsg;
} HsaDbgWaveMessage;


//
// HSA sync primitive, Event and HW Exception notification API definitions
// The API functions allow the runtime to define a so-called sync-primitive, a SW object
// combining a user-mode provided "syncvar" and a scheduler event that can be signaled
// through a defined GPU interrupt. A syncvar is a process virtual memory location of
// a certain size that can be accessed by CPU and GPU shader code within the process to set
// and query the content within that memory. The definition of the content is determined by
// the HSA runtime and potentially GPU shader code interfacing with the HSA runtime.
// The syncvar values may be commonly written through an PM4 WRITE_DATA packet in the
// user mode instruction stream.
// The OS scheduler event is typically associated and signaled by an interrupt issued by
// the GPU, but other HSA system interrupt conditions from other HW (e.g. IOMMUv2) may be
// surfaced by the KFD by this mechanism, too.
//

// these are the new definitions for events
typedef enum _HSA_EVENTTYPE
{
    HSA_EVENTTYPE_SIGNAL                     = 0, //user-mode generated GPU signal
    HSA_EVENTTYPE_NODECHANGE                 = 1, //HSA node change (attach/detach)
    HSA_EVENTTYPE_DEVICESTATECHANGE          = 2, //HSA device state change( start/stop )
    HSA_EVENTTYPE_HW_EXCEPTION               = 3, //GPU shader exception event
    HSA_EVENTTYPE_SYSTEM_EVENT               = 4, //GPU SYSCALL with parameter info
    HSA_EVENTTYPE_DEBUG_EVENT                = 5, //GPU signal for debugging
    HSA_EVENTTYPE_PROFILE_EVENT              = 6, //GPU signal for profiling
    HSA_EVENTTYPE_QUEUE_EVENT                = 7, //GPU signal queue idle state (EOP pm4)
    HSA_EVENTTYPE_MEMORY                     = 8, //GPU signal for signaling memory access faults and memory subsystem issues
    //...
    HSA_EVENTTYPE_MAXID,
    HSA_EVENTTYPE_TYPE_SIZE                  = 0xFFFFFFFF
} HSA_EVENTTYPE;


//
// Definitions for types of pending debug events
//
typedef enum _HSA_DEBUG_EVENT_TYPE
{
	HSA_DEBUG_EVENT_TYPE_NONE				= 0,
	HSA_DEBUG_EVENT_TYPE_TRAP				= 1,
	HSA_DEBUG_EVENT_TYPE_VMFAULT			= 2,
	HSA_DEBUG_EVENT_TYPE_TRAP_VMFAULT		= 3
} HSA_DEBUG_EVENT_TYPE;

typedef HSAuint32  HSA_EVENTID;

//
// Subdefinitions for various event types: Syncvar
//

typedef struct _HsaSyncVar
{
    union
    {
        void*       UserData;           //pointer to user mode data
        HSAuint64   UserDataPtrValue;   //64bit compatibility of value
    } SyncVar;
    HSAuint64       SyncVarSize;
} HsaSyncVar;

//
// Subdefinitions for various event types: NodeChange
//

typedef enum _HSA_EVENTTYPE_NODECHANGE_FLAGS
{
    HSA_EVENTTYPE_NODECHANGE_ADD     = 0,
    HSA_EVENTTYPE_NODECHANGE_REMOVE  = 1,
    HSA_EVENTTYPE_NODECHANGE_SIZE    = 0xFFFFFFFF
} HSA_EVENTTYPE_NODECHANGE_FLAGS;

typedef struct _HsaNodeChange
{
    HSA_EVENTTYPE_NODECHANGE_FLAGS Flags;   // HSA node added/removed on the platform
} HsaNodeChange;

//
// Sub-definitions for various event types: DeviceStateChange
//

typedef enum _HSA_EVENTTYPE_DEVICESTATECHANGE_FLAGS
{
    HSA_EVENTTYPE_DEVICESTATUSCHANGE_START     = 0, //device started (and available)
    HSA_EVENTTYPE_DEVICESTATUSCHANGE_STOP      = 1, //device stopped (i.e. unavailable)
    HSA_EVENTTYPE_DEVICESTATUSCHANGE_SIZE      = 0xFFFFFFFF
} HSA_EVENTTYPE_DEVICESTATECHANGE_FLAGS;

typedef struct _HsaDeviceStateChange
{
    HSAuint32                           NodeId;     // F-NUMA node that contains the device
    HSA_DEVICE                          Device;     // device type: GPU or CPU
    HSA_EVENTTYPE_DEVICESTATECHANGE_FLAGS Flags;    // event flags
} HsaDeviceStateChange;

//
// Sub-definitions for various event types: Memory exception
//

typedef enum _HSA_EVENTID_MEMORYFLAGS
{
    HSA_EVENTID_MEMORY_RECOVERABLE           = 0, //access fault, recoverable after page adjustment
    HSA_EVENTID_MEMORY_FATAL_PROCESS         = 1, //memory access requires process context destruction, unrecoverable
    HSA_EVENTID_MEMORY_FATAL_VM              = 2, //memory access requires all GPU VA context destruction, unrecoverable
} HSA_EVENTID_MEMORYFLAGS;

typedef struct _HsaAccessAttributeFailure
{
    unsigned int NotPresent  : 1;  // Page not present or supervisor privilege 
    unsigned int ReadOnly    : 1;  // Write access to a read-only page
    unsigned int NoExecute   : 1;  // Execute access to a page marked NX
    unsigned int GpuAccess   : 1;  // Host access only
    unsigned int ECC         : 1;  // RAS ECC failure (notification of DRAM ECC - non-recoverable - error, if supported by HW)
    unsigned int Imprecise   : 1;  // Can't determine the exact fault address
    unsigned int ErrorType   : 3;  // Indicates RAS errors or other errors causing the access to GPU to fail
                                      // 0 = no RAS error, 1 = ECC_SRAM, 2 = Link_SYNFLOOD (poison), 3 = GPU hang (not attributable to a specific cause), other values reserved
    unsigned int Reserved    : 23; // must be 0
} HsaAccessAttributeFailure;

// data associated with HSA_EVENTID_MEMORY
typedef struct _HsaMemoryAccessFault
{
    HSAuint32                       NodeId;             // H-NUMA node that contains the device where the memory access occurred
    HSAuint64                       VirtualAddress;     // virtual address this occurred on
    HsaAccessAttributeFailure       Failure;            // failure attribute
    HSA_EVENTID_MEMORYFLAGS         Flags;              // event flags
} HsaMemoryAccessFault;

typedef enum _HSA_EVENTID_HW_EXCEPTION_CAUSE
{
    HSA_EVENTID_HW_EXCEPTION_GPU_HANG  = 0, // GPU Hang
    HSA_EVENTID_HW_EXCEPTION_ECC       = 1, // SRAM ECC error
} HSA_EVENTID_HW_EXCEPTION_CAUSE;

// data associated with HSA_EVENTID_HW_EXCEPTION
typedef struct _HsaHwException
{
    HSAuint32                       NodeId;    // Node Id where the memory exception occured
    HSAuint32                       ResetType;
    HSAuint32                       MemoryLost;
    HSA_EVENTID_HW_EXCEPTION_CAUSE  ResetCause;
} HsaHwException;

typedef struct _HsaEventData
{
    HSA_EVENTTYPE   EventType;      //event type

    union
    {
        // return data associated with HSA_EVENTTYPE_SIGNAL and other events
        HsaSyncVar              SyncVar;

        // data associated with HSA_EVENTTYPE_NODE_CHANGE
        HsaNodeChange           NodeChangeState;

        // data associated with HSA_EVENTTYPE_DEVICE_STATE_CHANGE
        HsaDeviceStateChange    DeviceState;

        // data associated with HSA_EVENTTYPE_MEMORY
        HsaMemoryAccessFault    MemoryAccessFault;

        // data associated with HSA_EVENTTYPE_HW_EXCEPTION
        HsaHwException          HwException;
    } EventData;

    // the following data entries are internal to the KFD & thunk itself.

    HSAuint64       HWData1;                    // internal thunk store for Event data  (OsEventHandle)
    HSAuint64       HWData2;                    // internal thunk store for Event data  (HWAddress)
    HSAuint32       HWData3;                    // internal thunk store for Event data  (HWData)
} HsaEventData;


typedef struct _HsaEventDescriptor
{
    HSA_EVENTTYPE   EventType;                  // event type to allocate
    HSAuint32       NodeId;                     // H-NUMA node containing GPU device that is event source
    HsaSyncVar      SyncVar;                    // pointer to user mode syncvar data, syncvar->UserDataPtrValue may be NULL
} HsaEventDescriptor;


typedef struct _HsaEvent
{
    HSA_EVENTID     EventId;
    HsaEventData    EventData;
} HsaEvent;

typedef enum _HsaEventTimeout
{
    HSA_EVENTTIMEOUT_IMMEDIATE  = 0,
    HSA_EVENTTIMEOUT_INFINITE   = 0xFFFFFFFF
} HsaEventTimeOut;

typedef struct _HsaClockCounters
{
    HSAuint64   GPUClockCounter;
    HSAuint64   CPUClockCounter;
    HSAuint64   SystemClockCounter;
    HSAuint64   SystemClockFrequencyHz;
} HsaClockCounters;

#ifndef DEFINE_GUID
typedef struct _HSA_UUID
{
    HSAuint32   Data1;
    HSAuint16   Data2;
    HSAuint16   Data3;
    HSAuint8    Data4[8];
} HSA_UUID;

#define HSA_DEFINE_UUID(name, dw, w1, w2, b1, b2, b3, b4, b5, b6, b7, b8) \
    static const HSA_UUID name = {dw, w1, w2, {b1, b2, b3, b4, b5, b6, b7, b8}}
#else
#define HSA_UUID GUID
#define HSA_DEFINE_UUID DEFINE_GUID
#endif

// HSA_UUID that identifies the GPU ColorBuffer (CB) block
// {9ba429c6-af2d-4b38-b349-157271beac6a}
HSA_DEFINE_UUID(HSA_PROFILEBLOCK_AMD_CB,
0x9ba429c6, 0xaf2d, 0x4b38, 0xb3, 0x49, 0x15, 0x72, 0x71, 0xbe, 0xac, 0x6a);

// HSA_UUID that identifies the GPU (CPF) block
// {2b0ad2b5-1c43-4f46-a7bc-e119411ea6c9}
HSA_DEFINE_UUID(HSA_PROFILEBLOCK_AMD_CPF,
0x2b0ad2b5, 0x1c43, 0x4f46, 0xa7, 0xbc, 0xe1, 0x19, 0x41, 0x1e, 0xa6, 0xc9);

// HSA_UUID that identifies the GPU (CPG) block
// {590ec94d-20f0-448f-8dff-316c679de7ff
HSA_DEFINE_UUID(HSA_PROFILEBLOCK_AMD_CPG,
0x590ec94d, 0x20f0, 0x448f, 0x8d, 0xff, 0x31, 0x6c, 0x67, 0x9d, 0xe7, 0xff);

// HSA_UUID that identifies the GPU (DB) block
// {3d1a47fc-0013-4ed4-8306-822ca0b7a6c2
HSA_DEFINE_UUID(HSA_PROFILEBLOCK_AMD_DB,
0x3d1a47fc, 0x0013, 0x4ed4, 0x83, 0x06, 0x82, 0x2c, 0xa0, 0xb7, 0xa6, 0xc2);

// HSA_UUID that identifies the GPU (GDS) block
// {f59276ec-2526-4bf8-8ec0-118f77700dc9
HSA_DEFINE_UUID(HSA_PROFILEBLOCK_AMD_GDS,
0xf59276ec, 0x2526, 0x4bf8, 0x8e, 0xc0, 0x11, 0x8f, 0x77, 0x70, 0x0d, 0xc9);

// HSA_UUID that identifies the GPU (GRBM) block
// {8f00933c-c33d-4801-97b7-7007f78573ad
HSA_DEFINE_UUID(HSA_PROFILEBLOCK_AMD_GRBM,
0x8f00933c, 0xc33d, 0x4801, 0x97, 0xb7, 0x70, 0x07, 0xf7, 0x85, 0x73, 0xad);

// HSA_UUID that identifies the GPU (GRBMSE) block
// {34ebd8d7-7c8b-4d15-88fa-0e4e4af59ac1
HSA_DEFINE_UUID(HSA_PROFILEBLOCK_AMD_GRBMSE,
0x34ebd8d7, 0x7c8b, 0x4d15, 0x88, 0xfa, 0x0e, 0x4e, 0x4a, 0xf5, 0x9a, 0xc1);

// HSA_UUID that identifies the GPU (IA) block
// {34276944-4264-4fcd-9d6e-ae264582ec51
HSA_DEFINE_UUID(HSA_PROFILEBLOCK_AMD_IA,
0x34276944, 0x4264, 0x4fcd, 0x9d, 0x6e, 0xae, 0x26, 0x45, 0x82, 0xec, 0x51);

// HSA_UUID that identifies the GPU Memory Controller (MC) block
// {13900B57-4956-4D98-81D0-68521937F59C
HSA_DEFINE_UUID(HSA_PROFILEBLOCK_AMD_MC,
0x13900b57, 0x4956, 0x4d98, 0x81, 0xd0, 0x68, 0x52, 0x19, 0x37, 0xf5, 0x9c);

// HSA_UUID that identifies the GPU (PASC) block
// {b0e7fb5d-0efc-4744-b516-5d23dc1fd56c
HSA_DEFINE_UUID(HSA_PROFILEBLOCK_AMD_PASC,
0xb0e7fb5d, 0x0efc, 0x4744, 0xb5, 0x16, 0x5d, 0x23, 0xdc, 0x1f, 0xd5, 0x6c);

// HSA_UUID that identifies the GPU (PASU) block
// {9a152b6a-1fad-45f2-a5bf-f163826bd0cd
HSA_DEFINE_UUID(HSA_PROFILEBLOCK_AMD_PASU,
0x9a152b6a, 0x1fad, 0x45f2, 0xa5, 0xbf, 0xf1, 0x63, 0x82, 0x6b, 0xd0, 0xcd);

// HSA_UUID that identifies the GPU (SPI) block
// {eda81044-d62c-47eb-af89-4f6fbf3b38e0
HSA_DEFINE_UUID(HSA_PROFILEBLOCK_AMD_SPI,
0xeda81044, 0xd62c, 0x47eb, 0xaf, 0x89, 0x4f, 0x6f, 0xbf, 0x3b, 0x38, 0xe0);

// HSA_UUID that identifies the GPU (SRBM) block
// {9f8040e0-6830-4019-acc8-463c9e445b89
HSA_DEFINE_UUID(HSA_PROFILEBLOCK_AMD_SRBM,
0x9f8040e0, 0x6830, 0x4019, 0xac, 0xc8, 0x46, 0x3c, 0x9e, 0x44, 0x5b, 0x89);

// GUID that identifies the GPU Shader Sequencer (SQ) block
// {B5C396B6-D310-47E4-86FC-5CC3043AF508}
HSA_DEFINE_UUID(HSA_PROFILEBLOCK_AMD_SQ,
0xb5c396b6, 0xd310, 0x47e4, 0x86, 0xfc, 0x5c, 0xc3, 0x4, 0x3a, 0xf5, 0x8);

// HSA_UUID that identifies the GPU (SX) block
// {bdb8d737-43cc-4162-be52-51cfb847beaf}
HSA_DEFINE_UUID(HSA_PROFILEBLOCK_AMD_SX,
0xbdb8d737, 0x43cc, 0x4162, 0xbe, 0x52, 0x51, 0xcf, 0xb8, 0x47, 0xbe, 0xaf);

// HSA_UUID that identifies the GPU (TA) block
// {c01ee43d-ad92-44b1-8ab9-be5e696ceea7}
HSA_DEFINE_UUID(HSA_PROFILEBLOCK_AMD_TA,
0xc01ee43d, 0xad92, 0x44b1, 0x8a, 0xb9, 0xbe, 0x5e, 0x69, 0x6c, 0xee, 0xa7);

// HSA_UUID that identifies the GPU TextureCache (TCA) block
// {333e393f-e147-4f49-a6d1-60914c7086b0}
HSA_DEFINE_UUID(HSA_PROFILEBLOCK_AMD_TCA,
0x333e393f, 0xe147, 0x4f49, 0xa6, 0xd1,0x60, 0x91, 0x4c, 0x70, 0x86, 0xb0);

// HSA_UUID that identifies the GPU TextureCache (TCC) block
// {848ce855-d805-4566-a8ab-73e884cc6bff}
HSA_DEFINE_UUID(HSA_PROFILEBLOCK_AMD_TCC,
0x848ce855, 0xd805, 0x4566, 0xa8, 0xab, 0x73, 0xe8, 0x84, 0xcc, 0x6b, 0xff);

// HSA_UUID that identifies the GPU (TCP) block
// {e10a013b-17d4-4bf5-b089-429591059b60}
HSA_DEFINE_UUID(HSA_PROFILEBLOCK_AMD_TCP,
0xe10a013b, 0x17d4, 0x4bf5, 0xb0, 0x89, 0x42, 0x95, 0x91, 0x05, 0x9b, 0x60);

// HSA_UUID that identifies the GPU (TCS) block
// {4126245c-4d96-4d1a-8aed-a939d4cc8ec9}
HSA_DEFINE_UUID(HSA_PROFILEBLOCK_AMD_TCS,
0x4126245c, 0x4d96, 0x4d1a, 0x8a, 0xed, 0xa9, 0x39, 0xd4, 0xcc, 0x8e, 0xc9);

// HSA_UUID that identifies the GPU (TD) block
// {7d7c0fe4-fe41-4fea-92c9-4544d7706dc6}
HSA_DEFINE_UUID(HSA_PROFILEBLOCK_AMD_TD,
0x7d7c0fe4, 0xfe41, 0x4fea, 0x92, 0xc9, 0x45, 0x44, 0xd7, 0x70, 0x6d, 0xc6);

// HSA_UUID that identifies the GPU (VGT) block
// {0b6a8cb7-7a01-409f-a22c-3014854f1359}
HSA_DEFINE_UUID(HSA_PROFILEBLOCK_AMD_VGT,
0x0b6a8cb7, 0x7a01, 0x409f, 0xa2, 0x2c, 0x30, 0x14, 0x85, 0x4f, 0x13, 0x59);

// HSA_UUID that identifies the GPU (WD) block
// {0e176789-46ed-4b02-972a-916d2fac244a}
HSA_DEFINE_UUID(HSA_PROFILEBLOCK_AMD_WD,
0x0e176789, 0x46ed, 0x4b02, 0x97, 0x2a, 0x91, 0x6d, 0x2f, 0xac, 0x24, 0x4a);

typedef enum _HSA_PROFILE_TYPE
{
    HSA_PROFILE_TYPE_PRIVILEGED_IMMEDIATE = 0, //immediate access counter (KFD access only)
    HSA_PROFILE_TYPE_PRIVILEGED_STREAMING = 1, //streaming counter, HW continuously
                                               //writes to memory on updates (KFD access only)
    HSA_PROFILE_TYPE_NONPRIV_IMMEDIATE    = 2, //user-queue accessible counter
    HSA_PROFILE_TYPE_NONPRIV_STREAMING    = 3, //user-queue accessible counter
    //...
    HSA_PROFILE_TYPE_NUM,

    HSA_PROFILE_TYPE_SIZE                 = 0xFFFFFFFF      // In order to align to 32-bit value
} HSA_PROFILE_TYPE;


typedef struct _HsaCounterFlags
{
    union
    {
        struct
        {
            unsigned int  Global       : 1;  // counter is global
                                             // (not tied to VMID/WAVE/CU, ...)
            unsigned int  Resettable   : 1;  // counter can be reset by SW
                                             // (always to 0?)
            unsigned int  ReadOnly     : 1;  // counter is read-only
                                             // (but may be reset, if indicated)
            unsigned int  Stream       : 1;  // counter has streaming capability
                                             // (after trigger, updates buffer)
            unsigned int  Reserved     : 28;
        } ui32;
        HSAuint32      Value;
    };
} HsaCounterFlags;


typedef struct _HsaCounter
{
    HSA_PROFILE_TYPE Type;              // specifies the counter type
    HSAuint64        CounterId;         // indicates counter register offset
    HSAuint32        CounterSizeInBits; // indicates relevant counter bits
    HSAuint64        CounterMask;       // bitmask for counter value (if applicable)
    HsaCounterFlags  Flags;             // Property flags (see above)
    HSAuint32        BlockIndex;        // identifies block the counter belongs to,
                                        // value may be 0 to NumBlocks
} HsaCounter;


typedef struct _HsaCounterBlockProperties
{
    HSA_UUID                    BlockId;        // specifies the block location
    HSAuint32                   NumCounters;    // How many counters are available?
                                                // (sizes Counters[] array below)
    HSAuint32                   NumConcurrent;  // How many counter slots are available
                                                // in block?
    HsaCounter                  Counters[1];    // Start of counter array
                                                // (NumCounters elements total)
} HsaCounterBlockProperties;


typedef struct _HsaCounterProperties
{
    HSAuint32                   NumBlocks;      // How many profilable block are available?
                                                // (sizes Blocks[] array below)
    HSAuint32                   NumConcurrent;  // How many blocks slots can be queried
                                                // concurrently by HW?
    HsaCounterBlockProperties   Blocks[1];      // Start of block array
                                                // (NumBlocks elements total)
} HsaCounterProperties;

typedef HSAuint64   HSATraceId;

typedef struct _HsaPmcTraceRoot
{
    HSAuint64                   TraceBufferMinSizeBytes;// (page aligned)
    HSAuint32                   NumberOfPasses;
    HSATraceId                  TraceId;
} HsaPmcTraceRoot;

typedef struct _HsaGpuTileConfig
{
    HSAuint32 *TileConfig;
    HSAuint32 *MacroTileConfig;
    HSAuint32 NumTileConfigs;
    HSAuint32 NumMacroTileConfigs;

    HSAuint32 GbAddrConfig;

    HSAuint32 NumBanks;
    HSAuint32 NumRanks;
    /* 9 dwords on 64-bit system */
    HSAuint32 Reserved[7]; /* Round up to 16 dwords for future extension */
} HsaGpuTileConfig;

typedef enum _HSA_POINTER_TYPE {
    HSA_POINTER_UNKNOWN = 0,
    HSA_POINTER_ALLOCATED = 1,           // Allocated with hsaKmtAllocMemory (except scratch)
    HSA_POINTER_REGISTERED_USER = 2,     // Registered user pointer
    HSA_POINTER_REGISTERED_GRAPHICS = 3, // Registered graphics buffer
    HSA_POINTER_REGISTERED_SHARED = 4,   // Registered shared buffer (IPC)
                                         // (hsaKmtRegisterGraphicsToNodes)
    HSA_POINTER_RESERVED_ADDR = 5        // address-only reservation VA
} HSA_POINTER_TYPE;

typedef struct _HsaPointerInfo {
    HSA_POINTER_TYPE   Type;             // Pointer type
    HSAuint32          Node;             // Node where the memory is located
    HsaMemFlags        MemFlags;         // HsaMemFlags used to alloc memory
    void               *CPUAddress;      // Start address for CPU access
    HSAuint64          GPUAddress;       // Start address for GPU access
    HSAuint64          SizeInBytes;      // Size in bytes
    HSAuint32          NRegisteredNodes; // Number of nodes the memory is registered to
    HSAuint32          NMappedNodes;     // Number of nodes the memory is mapped to
    const HSAuint32    *RegisteredNodes; // Array of registered nodes
    const HSAuint32    *MappedNodes;     // Array of mapped nodes
    void               *UserData;        // User data associated with the memory
} HsaPointerInfo;

typedef HSAuint32 HsaSharedMemoryHandle[8];

typedef struct _HsaMemoryRange {
	void               *MemoryAddress;   // Pointer to GPU memory
	HSAuint64          SizeInBytes;      // Size of above memory
} HsaMemoryRange;

typedef enum _HSA_SVM_FLAGS {
	HSA_SVM_FLAG_HOST_ACCESS = 0x00000001, // Guarantee host access to memory
	HSA_SVM_FLAG_COHERENT    = 0x00000002, // Fine grained coherency between all devices with access
	HSA_SVM_FLAG_HIVE_LOCAL  = 0x00000004, // Use any GPU in same hive as preferred device
	HSA_SVM_FLAG_GPU_RO      = 0x00000008, // GPUs only read, allows replication
	HSA_SVM_FLAG_GPU_EXEC    = 0x00000010, // Allow execution on GPU
	HSA_SVM_FLAG_GPU_READ_MOSTLY = 0x00000020, // GPUs mostly read, may allow similar optimizations as RO, but writes fault
	HSA_SVM_FLAG_GPU_ALWAYS_MAPPED = 0x00000040, // Keep GPU memory mapping always valid as if XNACK is disable
	HSA_SVM_FLAG_EXT_COHERENT = 0x00000080, //  Fine grained coherency between all devices using device-scope atomics
} HSA_SVM_FLAGS;

typedef enum _HSA_SVM_ATTR_TYPE {
	HSA_SVM_ATTR_PREFERRED_LOC,  // gpuid of the preferred location, 0 for
                                     // system memory, INVALID_NODEID for
                                     // "don't care"
	HSA_SVM_ATTR_PREFETCH_LOC,   // gpuid of the prefetch location, 0 for
                                     // system memory. Setting this triggers an
                                     // immediate prefetch (migration)
	HSA_SVM_ATTR_ACCESS,
	HSA_SVM_ATTR_ACCESS_IN_PLACE,
	HSA_SVM_ATTR_NO_ACCESS,      // specify memory access for the gpuid given
                                     // by the attribute value
	HSA_SVM_ATTR_SET_FLAGS,      // bitmask of flags to set (see HSA_SVM_FLAGS)
	HSA_SVM_ATTR_CLR_FLAGS,      // bitmask of flags to clear
	HSA_SVM_ATTR_GRANULARITY     // migration granularity (log2 num pages)
} HSA_SVM_ATTR_TYPE;

typedef struct _HSA_SVM_ATTRIBUTE {
	HSAuint32 type;  // attribute type (see enum HSA_SVM_ATTR_TYPE)
	HSAuint32 value; // attribute value
} HSA_SVM_ATTRIBUTE;

typedef enum _HSA_SMI_EVENT {
	HSA_SMI_EVENT_NONE = 0, /* not used */
	HSA_SMI_EVENT_VMFAULT = 1, /* event start counting at 1 */
	HSA_SMI_EVENT_THERMAL_THROTTLE = 2,
	HSA_SMI_EVENT_GPU_PRE_RESET = 3,
	HSA_SMI_EVENT_GPU_POST_RESET = 4,
	HSA_SMI_EVENT_MIGRATE_START = 5,
	HSA_SMI_EVENT_MIGRATE_END = 6,
	HSA_SMI_EVENT_PAGE_FAULT_START = 7,
	HSA_SMI_EVENT_PAGE_FAULT_END = 8,
	HSA_SMI_EVENT_QUEUE_EVICTION = 9,
	HSA_SMI_EVENT_QUEUE_RESTORE = 10,
	HSA_SMI_EVENT_UNMAP_FROM_GPU = 11,
	HSA_SMI_EVENT_INDEX_MAX = 12,

	/*
	 * max event number, as a flag bit to get events from all processes,
	 * this requires super user permission, otherwise will not be able to
	 * receive event from any process. Without this flag to receive events
	 * from same process.
	 */
	HSA_SMI_EVENT_ALL_PROCESS = 64
} HSA_EVENT_TYPE;

typedef enum _HSA_MIGRATE_TRIGGERS {
	HSA_MIGRATE_TRIGGER_PREFETCH,
	HSA_MIGRATE_TRIGGER_PAGEFAULT_GPU,
	HSA_MIGRATE_TRIGGER_PAGEFAULT_CPU,
	HSA_MIGRATE_TRIGGER_TTM_EVICTION
} HSA_MIGRATE_TRIGGERS;

typedef enum _HSA_QUEUE_EVICTION_TRIGGERS {
	HSA_QUEUE_EVICTION_TRIGGER_SVM,
	HSA_QUEUE_EVICTION_TRIGGER_USERPTR,
	HSA_QUEUE_EVICTION_TRIGGER_TTM,
	HSA_QUEUE_EVICTION_TRIGGER_SUSPEND,
	HSA_QUEUE_EVICTION_CRIU_CHECKPOINT,
	HSA_QUEUE_EVICTION_CRIU_RESTORE
} HSA_QUEUE_EVICTION_TRIGGERS;

typedef enum _HSA_SVM_UNMAP_TRIGGERS {
	HSA_SVM_UNMAP_TRIGGER_MMU_NOTIFY,
	HSA_SVM_UNMAP_TRIGGER_MMU_NOTIFY_MIGRATE,
	HSA_SVM_UNMAP_TRIGGER_UNMAP_FROM_CPU
} HSA_SVM_UNMAP_TRIGGERS;

#define HSA_SMI_EVENT_MASK_FROM_INDEX(i) (1ULL << ((i) - 1))
#define HSA_SMI_EVENT_MSG_SIZE	96

typedef void *HsaAMDGPUDeviceHandle;

typedef HSAuint32 HsaPcSamplingTraceId;

typedef enum _HSA_PC_SAMPLING_METHOD_KIND
{
    HSA_PC_SAMPLING_METHOD_KIND_HOSTTRAP_V1 = 1,
    HSA_PC_SAMPLING_METHOD_KIND_STOCHASTIC_V1,
} HSA_PC_SAMPLING_METHOD_KIND;

typedef enum _HSA_PC_SAMPLING_UNITS
{
    HSA_PC_SAMPLING_UNIT_INTERVAL_MICROSECONDS,
    HSA_PC_SAMPLING_UNIT_INTERVAL_CYCLES,
    HSA_PC_SAMPLING_UNIT_INTERVAL_INSTRUCTIONS,
} HSA_PC_SAMPLING_UNIT_INTERVAL;

typedef struct _HsaPcSamplingInfo
{
    HSAuint64 value;
    HSAuint64 value_min;
    HSAuint64 value_max;
    HSAuint64 flags;
    HSA_PC_SAMPLING_METHOD_KIND method;
    HSA_PC_SAMPLING_UNIT_INTERVAL units;
}
HsaPcSamplingInfo;

typedef union
{
    HSAuint32 Value;
    struct
    {
        unsigned int requiresVAddr : 1;  // Requires virtual address
    } ui32;
} HSA_REGISTER_MEM_FLAGS;

#pragma pack(pop, hsakmttypes_h)

typedef enum _HsaAisFlags {
    HSA_AIS_READ = 0x1,
    HSA_AIS_WRITE= 0x2
} HsaAisFlags;


#ifdef __cplusplus
}   //extern "C"
#endif

#endif //_HSAKMTTYPES_H_
