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use cuda_types::*;
use hip_runtime_sys::*;
use std::{ffi::c_void, ptr};
pub(crate) unsafe fn get_attribute(
data: *mut c_void,
attribute: hipPointer_attribute,
ptr: hipDeviceptr_t,
) -> hipError_t {
if data == ptr::null_mut() {
return hipError_t::ErrorInvalidValue;
}
match attribute {
// TODO: implement by getting device ordinal & allocation start,
// then go through every context for that device
hipPointer_attribute::HIP_POINTER_ATTRIBUTE_CONTEXT => hipError_t::ErrorNotSupported,
hipPointer_attribute::HIP_POINTER_ATTRIBUTE_MEMORY_TYPE => {
let mut hip_result = hipMemoryType(0);
hipPointerGetAttribute(
(&mut hip_result as *mut hipMemoryType).cast::<c_void>(),
attribute,
ptr,
)?;
let cuda_result = memory_type(hip_result)?;
unsafe { *(data.cast()) = cuda_result };
Ok(())
}
_ => unsafe { hipPointerGetAttribute(data, attribute, ptr) },
}
}
fn memory_type(cu: hipMemoryType) -> Result<CUmemorytype, hipErrorCode_t> {
match cu {
hipMemoryType::hipMemoryTypeHost => Ok(CUmemorytype::CU_MEMORYTYPE_HOST),
hipMemoryType::hipMemoryTypeDevice => Ok(CUmemorytype::CU_MEMORYTYPE_DEVICE),
hipMemoryType::hipMemoryTypeArray => Ok(CUmemorytype::CU_MEMORYTYPE_ARRAY),
hipMemoryType::hipMemoryTypeUnified => Ok(CUmemorytype::CU_MEMORYTYPE_UNIFIED),
_ => Err(hipErrorCode_t::InvalidValue),
}
}
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