//
// Copyright (c) 2015 Advanced Micro Devices, Inc. All rights reserved.
//
#pragma once

#include "top.hpp"
#include "library.hpp"
#include "inc/core/palDevice.h"

/*! \addtogroup pal PAL Resource Implementation
 *  @{
 */

//! PAL Device Implementation
namespace pal {

//! Device settings
class Settings : public device::Settings {
 public:
  //! Debug GPU flags
  enum DebugGpuFlags {
    CheckForILSource = 0x00000001,
    StubCLPrograms = 0x00000002,  //!< Enables OpenCL programs stubbing
    LockGlobalMemory = 0x00000004,
  };

  enum BlitEngineType {
    BlitEngineDefault = 0x00000000,
    BlitEngineHost = 0x00000001,
    BlitEngineCAL = 0x00000002,
    BlitEngineKernel = 0x00000003,
  };

  enum HostMemFlags {
    HostMemDisable = 0x00000000,
    HostMemBuffer = 0x00000001,
    HostMemImage = 0x00000002,
  };

  union {
    struct {
      uint remoteAlloc_ : 1;            //!< Allocate remote memory for the heap
      uint stagedXferRead_ : 1;         //!< Uses a staged buffer read
      uint stagedXferWrite_ : 1;        //!< Uses a staged buffer write
      uint disablePersistent_ : 1;      //!< Disables using persistent memory for staging
      uint imageSupport_ : 1;           //!< Report images support
      uint doublePrecision_ : 1;        //!< Enables double precision support
      uint use64BitPtr_ : 1;            //!< Use 64bit pointers on GPU
      uint force32BitOcl20_ : 1;        //!< Force 32bit apps to take CLANG/HSAIL path on GPU
      uint imageDMA_ : 1;               //!< Enable direct image DMA transfers
      uint viPlus_ : 1;                 //!< VI and post VI features
      uint aiPlus_ : 1;                 //!< AI and post AI features
      uint gfx10Plus_ : 1;              //!< gfx10 and post gfx10 features
      uint threadTraceEnable_ : 1;      //!< Thread trace enable
      uint linearPersistentImage_ : 1;  //!< Allocates linear images in persistent
      uint useSingleScratch_ : 1;       //!< Allocates single scratch per device
      uint svmAtomics_ : 1;             //!< SVM device atomics
      uint svmFineGrainSystem_ : 1;     //!< SVM fine grain system support
      uint useDeviceQueue_ : 1;         //!< Submit to separate device queue
      uint sdamPageFaultWar_ : 1;       //!< SDMA page fault workaround
      uint rgpSqttWaitIdle_ : 1;        //!< Wait for idle after SQTT trace
      uint rgpSqttForceDisable_ : 1;    //!< Disables SQTT
      uint splitSizeForWin7_ : 1;       //!< DMA flush split size for Win 7
      uint enableHwP2P_ : 1;            //!< Forces HW P2P path for testing
      uint imageBufferWar_ : 1;         //!< Image buffer workaround for Gfx10
      uint disableSdma_ : 1;            //!< Disable SDMA support
      uint alwaysResident_ : 1;         //!< Make resources resident at allocation time
      uint reserved_ : 7;
    };
    uint value_;
  };

  uint oclVersion_;              //!< Reported OpenCL version support
  uint debugFlags_;              //!< Debug GPU flags
  uint hwLDSSize_;               //!< HW local data store size
  uint maxWorkGroupSize_;        //!< Requested workgroup size for this device
  uint preferredWorkGroupSize_;  //!< Requested preferred workgroup size for this device
  uint workloadSplitSize_;       //!< Workload split size
  uint minWorkloadTime_;         //!< Minimal workload time in 0.1 ms
  uint maxWorkloadTime_;         //!< Maximum workload time in 0.1 ms
  uint blitEngine_;              //!< Blit engine type
  uint cacheLineSize_;           //!< Cache line size in bytes
  uint cacheSize_;               //!< L1 cache size in bytes
  uint numComputeRings_;         //!< 0 - disabled, 1 , 2,.. - the number of compute rings
  uint numDeviceEvents_;         //!< The number of device events
  uint numWaitEvents_;           //!< The number of wait events for device enqueue
  uint hostMemDirectAccess_;     //!< Enables direct access to the host memory
  uint numScratchWavesPerCu_;    //!< Maximum number of waves when scratch is enabled
  size_t xferBufSize_;           //!< Transfer buffer size for image copy optimization
  size_t stagedXferSize_;        //!< Staged buffer size
  size_t pinnedXferSize_;        //!< Pinned buffer size for transfer
  size_t pinnedMinXferSize_;     //!< Minimal buffer size for pinned transfer
  size_t resourceCacheSize_;     //!< Resource cache size in MB
  size_t numMemDependencies_;    //!< The array size for memory dependencies tracking
  uint64_t maxAllocSize_;        //!< Maximum single allocation size
  uint rgpSqttDispCount_;        //!< The number of dispatches captured in SQTT
  uint maxCmdBuffers_;           //!< Maximum number of command buffers allocated per queue
  uint mallPolicy_;              //!< 0 - default, 1 - always bypass, 2 - always put

  uint64_t subAllocationMinSize_;    //!< Minimum size allowed for suballocations
  uint64_t subAllocationMaxSize_;    //!< Maximum size allowed with suballocations
  uint64_t subAllocationChunkSize_;  //!< Chunk size for suballocaitons

  amd::LibrarySelector libSelector_;  //!< Select linking libraries for compiler

  //! Default constructor
  Settings();

  //! Creates settings
  bool create(const Pal::DeviceProperties& palProp,       //!< PAL  device properties
              const Pal::GpuMemoryHeapProperties* heaps,  //!< PAL heap settings
              const Pal::WorkStationCaps& wscaps,         //!< PAL  workstation settings
              bool reportAsOCL12Device = false            //!< Report As OpenCL1.2 Device
  );

 private:
  //! Disable copy constructor
  Settings(const Settings&);

  //! Disable assignment
  Settings& operator=(const Settings&);

  //! Overrides current settings based on registry/environment
  void override();
};

/*@}*/  // namespace pal
}  // namespace pal