rocm-systems/rocclr/runtime/device/rocm/rockernel.hpp

//
// Copyright (c) 2009 Advanced Micro Devices, Inc. All rights reserved.
//
#pragma once

#include <memory>
#include "acl.h"
#include "rocprogram.hpp"
#include "top.hpp"
#include "rocprintf.hpp"

#ifndef WITHOUT_HSA_BACKEND

namespace roc {

#define MAX_INFO_STRING_LEN 0x40

enum ROC_ARG_TYPE
{
    ROC_ARGTYPE_ERROR = 0,
    ROC_ARGTYPE_POINTER,
    ROC_ARGTYPE_VALUE,
    ROC_ARGTYPE_REFERENCE,
    ROC_ARGTYPE_IMAGE,
    ROC_ARGTYPE_SAMPLER,
    ROC_ARGTYPE_HIDDEN_GLOBAL_OFFSET_X,
    ROC_ARGTYPE_HIDDEN_GLOBAL_OFFSET_Y,
    ROC_ARGTYPE_HIDDEN_GLOBAL_OFFSET_Z,
    ROC_ARGTYPE_HIDDEN_PRINTF_BUFFER,
    ROC_ARGTYPE_HIDDEN_DEFAULT_QUEUE,
    ROC_ARGTYPE_HIDDEN_COMPLETION_ACTION,
    ROC_ARGTYPE_HIDDEN_NONE,
    ROC_ARGMAX_ARG_TYPES
};

enum ROC_ADDRESS_QUALIFIER
{
    ROC_ADDRESS_ERROR = 0,
    ROC_ADDRESS_GLOBAL,
    ROC_ADDRESS_CONSTANT,
    ROC_ADDRESS_LOCAL,
    ROC_MAX_ADDRESS_QUALIFIERS
};

enum ROC_DATA_TYPE
{
    ROC_DATATYPE_ERROR = 0,
    ROC_DATATYPE_B1,
    ROC_DATATYPE_B8,
    ROC_DATATYPE_B16,
    ROC_DATATYPE_B32,
    ROC_DATATYPE_B64,
    ROC_DATATYPE_S8,
    ROC_DATATYPE_S16,
    ROC_DATATYPE_S32,
    ROC_DATATYPE_S64,
    ROC_DATATYPE_U8,
    ROC_DATATYPE_U16,
    ROC_DATATYPE_U32,
    ROC_DATATYPE_U64,
    ROC_DATATYPE_F16,
    ROC_DATATYPE_F32,
    ROC_DATATYPE_F64,
    ROC_DATATYPE_STRUCT,
    ROC_DATATYPE_OPAQUE,
    ROC_DATATYPE_MAX_TYPES
};

enum ROC_ACCESS_TYPE
{
    ROC_ACCESS_TYPE_NONE = 0,
    ROC_ACCESS_TYPE_RO,
    ROC_ACCESS_TYPE_WO,
    ROC_ACCESS_TYPE_RW
};

class Kernel : public device::Kernel
{
public:
    struct Argument
    {
        uint        index_;         //!< Argument's index in the OCL signature
        std::string name_;          //!< Argument's name
        std::string typeName_;      //!< Argument's type name
        uint        size_;          //!< Size in bytes
        uint        alignment_;     //!< Argument's alignment
        uint        pointeeAlignment_; //!< Alignment of the data pointed to
        ROC_ARG_TYPE type_;         //!< Type of the argument
        ROC_ADDRESS_QUALIFIER addrQual_;  //!< Address qualifier of the argument
        ROC_DATA_TYPE dataType_;    //!< The type of data
        ROC_ACCESS_TYPE access_;    //!< Access type for the argument
    };

    Kernel(std::string name,
        HSAILProgram* prog,
        const uint64_t &kernelCodeHandle,
        const uint32_t workgroupGroupSegmentByteSize,
        const uint32_t workitemPrivateSegmentByteSize,
        const uint32_t kernargSegmentByteSize,
        const uint32_t kernargSegmentAlignment);

    const uint64_t& KernelCodeHandle() {
        return kernelCodeHandle_;
    }

    const uint32_t WorkgroupGroupSegmentByteSize() const {
      return workgroupGroupSegmentByteSize_;
    }

    const uint32_t workitemPrivateSegmentByteSize() const {
      return workitemPrivateSegmentByteSize_;
    }

    const uint64_t KernargSegmentByteSize() const {
      return kernargSegmentByteSize_;
    }

    const uint8_t KernargSegmentAlignment() const {
      return kernargSegmentAlignment_;
    }

    ~Kernel();

    //! Initializes the metadata required for this kernel
    bool init();
#if defined(WITH_LIGHTNING_COMPILER)
    //! Initializes the metadata required for this kernel
    bool init_LC();
#endif // defined(WITH_LIGHTNING_COMPILER)

    const HSAILProgram* program() {
        return static_cast<const HSAILProgram*>(program_);
    }

    //! Returns the kernel argument list
    const std::vector<Argument*>& hsailArgs() const {
        return hsailArgList_;
    }

    //! Returns a pointer to the hsail argument at the specified index
    Argument* hsailArgAt(size_t index) const {
        for (auto arg : hsailArgList_) if (arg->index_ == index) return arg;
        assert(!"Should not reach here");
        return NULL;
    }

    //! Return printf info array
    const std::vector<PrintfInfo>& printfInfo() const {return printf_;}

private:
    //! Populates hsailArgList_
    void initArguments(const aclArgData* aclArg);
#if defined(WITH_LIGHTNING_COMPILER)
    //! Initializes Hsail Argument metadata and info for LC
    void initArguments_LC(const amd::hsa::code::Kernel::Metadata& kernelMD);
#endif // defined(WITH_LIGHTNING_COMPILER)

    //! Initializes HSAIL Printf metadata and info
    void initPrintf(const aclPrintfFmt* aclPrintf);
#if defined(WITH_LIGHTNING_COMPILER)
    //! Initializes HSAIL Printf metadata and info for LC
    void initPrintf_LC(const std::vector<std::string>& printfInfoStrings);
#endif // defined(WITH_LIGHTNING_COMPILER)

    HSAILProgram *program_; //!< The roc::HSAILProgram context
    std::vector<Argument*> hsailArgList_; //!< Vector list of HSAIL Arguments
    std::string compileOptions_; //!< compile used for finalizing this kernel
    uint64_t kernelCodeHandle_; //!< Kernel code handle (aka amd_kernel_code_t)
    const uint32_t workgroupGroupSegmentByteSize_;
    const uint32_t workitemPrivateSegmentByteSize_;
    const uint32_t kernargSegmentByteSize_;
    const uint32_t kernargSegmentAlignment_;
    size_t kernelDirectiveOffset_;
    std::vector<PrintfInfo> printf_;
};

} // namespace roc

#endif // WITHOUT_HSA_BACKEND