Here are the classes, structs, unions and interfaces with brief descriptions:

[detail level 1234]

AMDGPU
RuntimeMD
IsaInfo
Metadata	In-memory representation of instruction set architecture information
Kernel
Metadata
KernelArg
Metadata
Program
Metadata
hip_impl
GroupId
GroupSize
NumGroups
WorkitemId
Agent_global
agent_globals_impl
__ClangOffloadBundleDesc
__ClangOffloadBundleHeader
__CudaFatBinaryWrapper
__half2_raw
__half_raw
__hip_enable_if
__hip_enable_if< true, __T >
_hiprtcProgram
amd_kernel_code_v3_t
api_callbacks_table_t
api_callbacks_table_templ
hip_cb_table_entry_t
hip_cb_table_t
callback_data_t
char1
char16
char2
char3
char4
char8
Coordinates
X
Y
Z
DbName
DeviceVar
dim3
double1
double16
double2
double3
double4
double8
FakeMutex
float1
float16
float2
float3
float4
float8
gl_dim3
grid_launch_parm
HIP_ARRAY3D_DESCRIPTOR
HIP_ARRAY_DESCRIPTOR
hip_bfloat16	Struct to represent a 16 bit brain floating point number
hip_Memcpy2D
HIP_MEMCPY3D
HIP_RESOURCE_DESC_st
HIP_RESOURCE_VIEW_DESC_st
HIP_TEXTURE_DESC_st
hipArray
hipChannelFormatDesc
hipDeviceArch_t
hipDeviceProp_t
hipExtent
hipFuncAttributes
hipIpcEventHandle_st
hipIpcMemHandle_st
hipLaunchParams_t
hipMemcpy3DParms
hipMipmappedArray
hipPitchedPtr
hipPointerAttribute_t
hipPos
hipResourceDesc
hipResourceViewDesc
hipSurface
hipTexture
hipTextureDesc
ihipCtx_t
ihipCtxCriticalBase_t
ihipDevice_t
ihipDeviceCriticalBase_t
ihipEvent_t
ihipEventCriticalBase_t
ihipEventData_t
ihipException
ihipExec_t
ihipIpcEventHandle_t
ihipIpcEventShmem_s
ihipIpcMemHandle_t
ihipKernArgInfo
ihipModule_t
ihipModuleSymbol_t
ihipStream_t
ihipStreamCriticalBase_t
int1
int16
int2
int3
int4
int8
LockedAccessor
LockedBase
long1
long16
long2
long3
long4
long8
longlong1
longlong16
longlong2
longlong3
longlong4
longlong8
mg_info
mg_sync
ProfTrigger
RegisteredVar
short1
short16
short2
short3
short4
short8
surfaceReference
TData
textureReference
TidInfo
TlsData
uchar1
uchar16
uchar2
uchar2Holder
uchar3
uchar4
uchar8
ucharHolder
uint1
uint16
uint2
uint3
uint4
uint8
ulong1
ulong16
ulong2
ulong3
ulong4
ulong8
ulonglong1
ulonglong16
ulonglong2
ulonglong3
ulonglong4
ulonglong8
ushort1
ushort16
ushort2
ushort3
ushort4
ushort8