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+//===--- AMDGPUMetadata.h ---------------------------------------*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+/// \file
+/// \brief AMDGPU metadata definitions and in-memory representations.
+///
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_SUPPORT_AMDGPUMETADATA_H
+#define LLVM_SUPPORT_AMDGPUMETADATA_H
+
+#include <cstdint>
+#include <string>
+#include <system_error>
+#include <vector>
+
+namespace llvm {
+namespace AMDGPU {
+
+//===----------------------------------------------------------------------===//
+// HSA metadata.
+//===----------------------------------------------------------------------===//
+namespace HSAMD {
+
+/// \brief HSA metadata major version.
+constexpr uint32_t VersionMajor = 1;
+/// \brief HSA metadata minor version.
+constexpr uint32_t VersionMinor = 0;
+
+/// \brief HSA metadata beginning assembler directive.
+constexpr char AssemblerDirectiveBegin[] = ".amd_amdgpu_hsa_metadata";
+/// \brief HSA metadata ending assembler directive.
+constexpr char AssemblerDirectiveEnd[] = ".end_amd_amdgpu_hsa_metadata";
+
+/// \brief Access qualifiers.
+enum class AccessQualifier : uint8_t {
+ Default = 0,
+ ReadOnly = 1,
+ WriteOnly = 2,
+ ReadWrite = 3,
+ Unknown = 0xff
+};
+
+/// \brief Address space qualifiers.
+enum class AddressSpaceQualifier : uint8_t {
+ Private = 0,
+ Global = 1,
+ Constant = 2,
+ Local = 3,
+ Generic = 4,
+ Region = 5,
+ Unknown = 0xff
+};
+
+/// \brief Value kinds.
+enum class ValueKind : uint8_t {
+ ByValue = 0,
+ GlobalBuffer = 1,
+ DynamicSharedPointer = 2,
+ Sampler = 3,
+ Image = 4,
+ Pipe = 5,
+ Queue = 6,
+ HiddenGlobalOffsetX = 7,
+ HiddenGlobalOffsetY = 8,
+ HiddenGlobalOffsetZ = 9,
+ HiddenNone = 10,
+ HiddenPrintfBuffer = 11,
+ HiddenDefaultQueue = 12,
+ HiddenCompletionAction = 13,
+ Unknown = 0xff
+};
+
+/// \brief Value types.
+enum class ValueType : uint8_t {
+ Struct = 0,
+ I8 = 1,
+ U8 = 2,
+ I16 = 3,
+ U16 = 4,
+ F16 = 5,
+ I32 = 6,
+ U32 = 7,
+ F32 = 8,
+ I64 = 9,
+ U64 = 10,
+ F64 = 11,
+ Unknown = 0xff
+};
+
+//===----------------------------------------------------------------------===//
+// Kernel Metadata.
+//===----------------------------------------------------------------------===//
+namespace Kernel {
+
+//===----------------------------------------------------------------------===//
+// Kernel Attributes Metadata.
+//===----------------------------------------------------------------------===//
+namespace Attrs {
+
+namespace Key {
+/// \brief Key for Kernel::Attr::Metadata::mReqdWorkGroupSize.
+constexpr char ReqdWorkGroupSize[] = "ReqdWorkGroupSize";
+/// \brief Key for Kernel::Attr::Metadata::mWorkGroupSizeHint.
+constexpr char WorkGroupSizeHint[] = "WorkGroupSizeHint";
+/// \brief Key for Kernel::Attr::Metadata::mVecTypeHint.
+constexpr char VecTypeHint[] = "VecTypeHint";
+/// \brief Key for Kernel::Attr::Metadata::mRuntimeHandle.
+constexpr char RuntimeHandle[] = "RuntimeHandle";
+} // end namespace Key
+
+/// \brief In-memory representation of kernel attributes metadata.
+struct Metadata final {
+ /// \brief 'reqd_work_group_size' attribute. Optional.
+ std::vector<uint32_t> mReqdWorkGroupSize = std::vector<uint32_t>();
+ /// \brief 'work_group_size_hint' attribute. Optional.
+ std::vector<uint32_t> mWorkGroupSizeHint = std::vector<uint32_t>();
+ /// \brief 'vec_type_hint' attribute. Optional.
+ std::string mVecTypeHint = std::string();
+ /// \brief External symbol created by runtime to store the kernel address
+ /// for enqueued blocks.
+ std::string mRuntimeHandle = std::string();
+
+ /// \brief Default constructor.
+ Metadata() = default;
+
+ /// \returns True if kernel attributes metadata is empty, false otherwise.
+ bool empty() const {
+ return !notEmpty();
+ }
+
+ /// \returns True if kernel attributes metadata is not empty, false otherwise.
+ bool notEmpty() const {
+ return !mReqdWorkGroupSize.empty() || !mWorkGroupSizeHint.empty() ||
+ !mVecTypeHint.empty() || !mRuntimeHandle.empty();
+ }
+};
+
+} // end namespace Attrs
+
+//===----------------------------------------------------------------------===//
+// Kernel Argument Metadata.
+//===----------------------------------------------------------------------===//
+namespace Arg {
+
+namespace Key {
+/// \brief Key for Kernel::Arg::Metadata::mName.
+constexpr char Name[] = "Name";
+/// \brief Key for Kernel::Arg::Metadata::mTypeName.
+constexpr char TypeName[] = "TypeName";
+/// \brief Key for Kernel::Arg::Metadata::mSize.
+constexpr char Size[] = "Size";
+/// \brief Key for Kernel::Arg::Metadata::mAlign.
+constexpr char Align[] = "Align";
+/// \brief Key for Kernel::Arg::Metadata::mValueKind.
+constexpr char ValueKind[] = "ValueKind";
+/// \brief Key for Kernel::Arg::Metadata::mValueType.
+constexpr char ValueType[] = "ValueType";
+/// \brief Key for Kernel::Arg::Metadata::mPointeeAlign.
+constexpr char PointeeAlign[] = "PointeeAlign";
+/// \brief Key for Kernel::Arg::Metadata::mAddrSpaceQual.
+constexpr char AddrSpaceQual[] = "AddrSpaceQual";
+/// \brief Key for Kernel::Arg::Metadata::mAccQual.
+constexpr char AccQual[] = "AccQual";
+/// \brief Key for Kernel::Arg::Metadata::mActualAccQual.
+constexpr char ActualAccQual[] = "ActualAccQual";
+/// \brief Key for Kernel::Arg::Metadata::mIsConst.
+constexpr char IsConst[] = "IsConst";
+/// \brief Key for Kernel::Arg::Metadata::mIsRestrict.
+constexpr char IsRestrict[] = "IsRestrict";
+/// \brief Key for Kernel::Arg::Metadata::mIsVolatile.
+constexpr char IsVolatile[] = "IsVolatile";
+/// \brief Key for Kernel::Arg::Metadata::mIsPipe.
+constexpr char IsPipe[] = "IsPipe";
+} // end namespace Key
+
+/// \brief In-memory representation of kernel argument metadata.
+struct Metadata final {
+ /// \brief Name. Optional.
+ std::string mName = std::string();
+ /// \brief Type name. Optional.
+ std::string mTypeName = std::string();
+ /// \brief Size in bytes. Required.
+ uint32_t mSize = 0;
+ /// \brief Alignment in bytes. Required.
+ uint32_t mAlign = 0;
+ /// \brief Value kind. Required.
+ ValueKind mValueKind = ValueKind::Unknown;
+ /// \brief Value type. Required.
+ ValueType mValueType = ValueType::Unknown;
+ /// \brief Pointee alignment in bytes. Optional.
+ uint32_t mPointeeAlign = 0;
+ /// \brief Address space qualifier. Optional.
+ AddressSpaceQualifier mAddrSpaceQual = AddressSpaceQualifier::Unknown;
+ /// \brief Access qualifier. Optional.
+ AccessQualifier mAccQual = AccessQualifier::Unknown;
+ /// \brief Actual access qualifier. Optional.
+ AccessQualifier mActualAccQual = AccessQualifier::Unknown;
+ /// \brief True if 'const' qualifier is specified. Optional.
+ bool mIsConst = false;
+ /// \brief True if 'restrict' qualifier is specified. Optional.
+ bool mIsRestrict = false;
+ /// \brief True if 'volatile' qualifier is specified. Optional.
+ bool mIsVolatile = false;
+ /// \brief True if 'pipe' qualifier is specified. Optional.
+ bool mIsPipe = false;
+
+ /// \brief Default constructor.
+ Metadata() = default;
+};
+
+} // end namespace Arg
+
+//===----------------------------------------------------------------------===//
+// Kernel Code Properties Metadata.
+//===----------------------------------------------------------------------===//
+namespace CodeProps {
+
+namespace Key {
+/// \brief Key for Kernel::CodeProps::Metadata::mKernargSegmentSize.
+constexpr char KernargSegmentSize[] = "KernargSegmentSize";
+/// \brief Key for Kernel::CodeProps::Metadata::mGroupSegmentFixedSize.
+constexpr char GroupSegmentFixedSize[] = "GroupSegmentFixedSize";
+/// \brief Key for Kernel::CodeProps::Metadata::mPrivateSegmentFixedSize.
+constexpr char PrivateSegmentFixedSize[] = "PrivateSegmentFixedSize";
+/// \brief Key for Kernel::CodeProps::Metadata::mKernargSegmentAlign.
+constexpr char KernargSegmentAlign[] = "KernargSegmentAlign";
+/// \brief Key for Kernel::CodeProps::Metadata::mWavefrontSize.
+constexpr char WavefrontSize[] = "WavefrontSize";
+/// \brief Key for Kernel::CodeProps::Metadata::mNumSGPRs.
+constexpr char NumSGPRs[] = "NumSGPRs";
+/// \brief Key for Kernel::CodeProps::Metadata::mNumVGPRs.
+constexpr char NumVGPRs[] = "NumVGPRs";
+/// \brief Key for Kernel::CodeProps::Metadata::mMaxFlatWorkGroupSize.
+constexpr char MaxFlatWorkGroupSize[] = "MaxFlatWorkGroupSize";
+/// \brief Key for Kernel::CodeProps::Metadata::mIsDynamicCallStack.
+constexpr char IsDynamicCallStack[] = "IsDynamicCallStack";
+/// \brief Key for Kernel::CodeProps::Metadata::mIsXNACKEnabled.
+constexpr char IsXNACKEnabled[] = "IsXNACKEnabled";
+/// \brief Key for Kernel::CodeProps::Metadata::mNumSpilledSGPRs.
+constexpr char NumSpilledSGPRs[] = "NumSpilledSGPRs";
+/// \brief Key for Kernel::CodeProps::Metadata::mNumSpilledVGPRs.
+constexpr char NumSpilledVGPRs[] = "NumSpilledVGPRs";
+} // end namespace Key
+
+/// \brief In-memory representation of kernel code properties metadata.
+struct Metadata final {
+ /// \brief Size in bytes of the kernarg segment memory. Kernarg segment memory
+ /// holds the values of the arguments to the kernel. Required.
+ uint64_t mKernargSegmentSize = 0;
+ /// \brief Size in bytes of the group segment memory required by a workgroup.
+ /// This value does not include any dynamically allocated group segment memory
+ /// that may be added when the kernel is dispatched. Required.
+ uint32_t mGroupSegmentFixedSize = 0;
+ /// \brief Size in bytes of the private segment memory required by a workitem.
+ /// Private segment memory includes arg, spill and private segments. Required.
+ uint32_t mPrivateSegmentFixedSize = 0;
+ /// \brief Maximum byte alignment of variables used by the kernel in the
+ /// kernarg memory segment. Required.
+ uint32_t mKernargSegmentAlign = 0;
+ /// \brief Wavefront size. Required.
+ uint32_t mWavefrontSize = 0;
+ /// \brief Total number of SGPRs used by a wavefront. Optional.
+ uint16_t mNumSGPRs = 0;
+ /// \brief Total number of VGPRs used by a workitem. Optional.
+ uint16_t mNumVGPRs = 0;
+ /// \brief Maximum flat work-group size supported by the kernel. Optional.
+ uint32_t mMaxFlatWorkGroupSize = 0;
+ /// \brief True if the generated machine code is using a dynamically sized
+ /// call stack. Optional.
+ bool mIsDynamicCallStack = false;
+ /// \brief True if the generated machine code is capable of supporting XNACK.
+ /// Optional.
+ bool mIsXNACKEnabled = false;
+ /// \brief Number of SGPRs spilled by a wavefront. Optional.
+ uint16_t mNumSpilledSGPRs = 0;
+ /// \brief Number of VGPRs spilled by a workitem. Optional.
+ uint16_t mNumSpilledVGPRs = 0;
+
+ /// \brief Default constructor.
+ Metadata() = default;
+
+ /// \returns True if kernel code properties metadata is empty, false
+ /// otherwise.
+ bool empty() const {
+ return !notEmpty();
+ }
+
+ /// \returns True if kernel code properties metadata is not empty, false
+ /// otherwise.
+ bool notEmpty() const {
+ return true;
+ }
+};
+
+} // end namespace CodeProps
+
+//===----------------------------------------------------------------------===//
+// Kernel Debug Properties Metadata.
+//===----------------------------------------------------------------------===//
+namespace DebugProps {
+
+namespace Key {
+/// \brief Key for Kernel::DebugProps::Metadata::mDebuggerABIVersion.
+constexpr char DebuggerABIVersion[] = "DebuggerABIVersion";
+/// \brief Key for Kernel::DebugProps::Metadata::mReservedNumVGPRs.
+constexpr char ReservedNumVGPRs[] = "ReservedNumVGPRs";
+/// \brief Key for Kernel::DebugProps::Metadata::mReservedFirstVGPR.
+constexpr char ReservedFirstVGPR[] = "ReservedFirstVGPR";
+/// \brief Key for Kernel::DebugProps::Metadata::mPrivateSegmentBufferSGPR.
+constexpr char PrivateSegmentBufferSGPR[] = "PrivateSegmentBufferSGPR";
+/// \brief Key for
+/// Kernel::DebugProps::Metadata::mWavefrontPrivateSegmentOffsetSGPR.
+constexpr char WavefrontPrivateSegmentOffsetSGPR[] =
+ "WavefrontPrivateSegmentOffsetSGPR";
+} // end namespace Key
+
+/// \brief In-memory representation of kernel debug properties metadata.
+struct Metadata final {
+ /// \brief Debugger ABI version. Optional.
+ std::vector<uint32_t> mDebuggerABIVersion = std::vector<uint32_t>();
+ /// \brief Consecutive number of VGPRs reserved for debugger use. Must be 0 if
+ /// mDebuggerABIVersion is not set. Optional.
+ uint16_t mReservedNumVGPRs = 0;
+ /// \brief First fixed VGPR reserved. Must be uint16_t(-1) if
+ /// mDebuggerABIVersion is not set or mReservedFirstVGPR is 0. Optional.
+ uint16_t mReservedFirstVGPR = uint16_t(-1);
+ /// \brief Fixed SGPR of the first of 4 SGPRs used to hold the scratch V# used
+ /// for the entire kernel execution. Must be uint16_t(-1) if
+ /// mDebuggerABIVersion is not set or SGPR not used or not known. Optional.
+ uint16_t mPrivateSegmentBufferSGPR = uint16_t(-1);
+ /// \brief Fixed SGPR used to hold the wave scratch offset for the entire
+ /// kernel execution. Must be uint16_t(-1) if mDebuggerABIVersion is not set
+ /// or SGPR is not used or not known. Optional.
+ uint16_t mWavefrontPrivateSegmentOffsetSGPR = uint16_t(-1);
+
+ /// \brief Default constructor.
+ Metadata() = default;
+
+ /// \returns True if kernel debug properties metadata is empty, false
+ /// otherwise.
+ bool empty() const {
+ return !notEmpty();
+ }
+
+ /// \returns True if kernel debug properties metadata is not empty, false
+ /// otherwise.
+ bool notEmpty() const {
+ return !mDebuggerABIVersion.empty();
+ }
+};
+
+} // end namespace DebugProps
+
+namespace Key {
+/// \brief Key for Kernel::Metadata::mName.
+constexpr char Name[] = "Name";
+/// \brief Key for Kernel::Metadata::mSymbolName.
+constexpr char SymbolName[] = "SymbolName";
+/// \brief Key for Kernel::Metadata::mLanguage.
+constexpr char Language[] = "Language";
+/// \brief Key for Kernel::Metadata::mLanguageVersion.
+constexpr char LanguageVersion[] = "LanguageVersion";
+/// \brief Key for Kernel::Metadata::mAttrs.
+constexpr char Attrs[] = "Attrs";
+/// \brief Key for Kernel::Metadata::mArgs.
+constexpr char Args[] = "Args";
+/// \brief Key for Kernel::Metadata::mCodeProps.
+constexpr char CodeProps[] = "CodeProps";
+/// \brief Key for Kernel::Metadata::mDebugProps.
+constexpr char DebugProps[] = "DebugProps";
+} // end namespace Key
+
+/// \brief In-memory representation of kernel metadata.
+struct Metadata final {
+ /// \brief Kernel source name. Required.
+ std::string mName = std::string();
+ /// \brief Kernel descriptor name. Required.
+ std::string mSymbolName = std::string();
+ /// \brief Language. Optional.
+ std::string mLanguage = std::string();
+ /// \brief Language version. Optional.
+ std::vector<uint32_t> mLanguageVersion = std::vector<uint32_t>();
+ /// \brief Attributes metadata. Optional.
+ Attrs::Metadata mAttrs = Attrs::Metadata();
+ /// \brief Arguments metadata. Optional.
+ std::vector<Arg::Metadata> mArgs = std::vector<Arg::Metadata>();
+ /// \brief Code properties metadata. Optional.
+ CodeProps::Metadata mCodeProps = CodeProps::Metadata();
+ /// \brief Debug properties metadata. Optional.
+ DebugProps::Metadata mDebugProps = DebugProps::Metadata();
+
+ /// \brief Default constructor.
+ Metadata() = default;
+};
+
+} // end namespace Kernel
+
+namespace Key {
+/// \brief Key for HSA::Metadata::mVersion.
+constexpr char Version[] = "Version";
+/// \brief Key for HSA::Metadata::mPrintf.
+constexpr char Printf[] = "Printf";
+/// \brief Key for HSA::Metadata::mKernels.
+constexpr char Kernels[] = "Kernels";
+} // end namespace Key
+
+/// \brief In-memory representation of HSA metadata.
+struct Metadata final {
+ /// \brief HSA metadata version. Required.
+ std::vector<uint32_t> mVersion = std::vector<uint32_t>();
+ /// \brief Printf metadata. Optional.
+ std::vector<std::string> mPrintf = std::vector<std::string>();
+ /// \brief Kernels metadata. Required.
+ std::vector<Kernel::Metadata> mKernels = std::vector<Kernel::Metadata>();
+
+ /// \brief Default constructor.
+ Metadata() = default;
+};
+
+/// \brief Converts \p String to \p HSAMetadata.
+std::error_code fromString(std::string String, Metadata &HSAMetadata);
+
+/// \brief Converts \p HSAMetadata to \p String.
+std::error_code toString(Metadata HSAMetadata, std::string &String);
+
+} // end namespace HSAMD
+
+//===----------------------------------------------------------------------===//
+// PAL metadata.
+//===----------------------------------------------------------------------===//
+namespace PALMD {
+
+/// \brief PAL metadata assembler directive.
+constexpr char AssemblerDirective[] = ".amd_amdgpu_pal_metadata";
+
+/// \brief PAL metadata keys.
+enum Key : uint32_t {
+ LS_NUM_USED_VGPRS = 0x10000021,
+ HS_NUM_USED_VGPRS = 0x10000022,
+ ES_NUM_USED_VGPRS = 0x10000023,
+ GS_NUM_USED_VGPRS = 0x10000024,
+ VS_NUM_USED_VGPRS = 0x10000025,
+ PS_NUM_USED_VGPRS = 0x10000026,
+ CS_NUM_USED_VGPRS = 0x10000027,
+
+ LS_NUM_USED_SGPRS = 0x10000028,
+ HS_NUM_USED_SGPRS = 0x10000029,
+ ES_NUM_USED_SGPRS = 0x1000002a,
+ GS_NUM_USED_SGPRS = 0x1000002b,
+ VS_NUM_USED_SGPRS = 0x1000002c,
+ PS_NUM_USED_SGPRS = 0x1000002d,
+ CS_NUM_USED_SGPRS = 0x1000002e,
+
+ LS_SCRATCH_SIZE = 0x10000044,
+ HS_SCRATCH_SIZE = 0x10000045,
+ ES_SCRATCH_SIZE = 0x10000046,
+ GS_SCRATCH_SIZE = 0x10000047,
+ VS_SCRATCH_SIZE = 0x10000048,
+ PS_SCRATCH_SIZE = 0x10000049,
+ CS_SCRATCH_SIZE = 0x1000004a
+};
+
+/// \brief PAL metadata represented as a vector.
+typedef std::vector<uint32_t> Metadata;
+
+/// \brief Converts \p PALMetadata to \p String.
+std::error_code toString(const Metadata &PALMetadata, std::string &String);
+
+} // end namespace PALMD
+} // end namespace AMDGPU
+} // end namespace llvm
+
+#endif // LLVM_SUPPORT_AMDGPUMETADATA_H