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|
use super::stream::Stream;
use super::{hipfix, stream};
use crate::hip_call_cuda;
use crate::r#impl::{memcpy2d_from_cuda, GLOBAL_STATE};
use cuda_types::*;
use hip_runtime_sys::*;
use std::{mem, ptr};
pub(crate) unsafe fn alloc(dptr: *mut hipDeviceptr_t, mut bytesize: usize) -> Result<(), CUresult> {
if dptr == ptr::null_mut() {
return Err(CUresult::CUDA_ERROR_INVALID_VALUE);
}
let zero_buffers = GLOBAL_STATE.get()?.zero_buffers;
bytesize = hipfix::alloc_round_up(bytesize);
let mut ptr = mem::zeroed();
hip_call_cuda!(hipMalloc(&mut ptr, bytesize));
if zero_buffers {
hip_call_cuda!(hipMemsetD32(hipDeviceptr_t(ptr), 0, bytesize / 4));
}
*dptr = hipDeviceptr_t(ptr);
Ok(())
}
pub(crate) unsafe fn copy_h_to_d_async(
dst_device: hipDeviceptr_t,
src_host: *const std::ffi::c_void,
byte_count: usize,
stream: *mut Stream,
default_stream_per_thread: bool,
) -> Result<(), CUresult> {
let hip_stream = hipfix::as_hip_stream_per_thread(stream, default_stream_per_thread)?;
hip_call_cuda!(hipMemcpyHtoDAsync(
dst_device,
src_host as _,
byte_count,
hip_stream
));
Ok(())
}
pub(crate) unsafe fn copy_d_to_h_async(
dst_host: *mut ::std::os::raw::c_void,
src_device: hipDeviceptr_t,
byte_count: usize,
stream: *mut Stream,
default_stream_per_thread: bool,
) -> Result<(), CUresult> {
let hip_stream = hipfix::as_hip_stream_per_thread(stream, default_stream_per_thread)?;
hip_call_cuda!(hipMemcpyDtoHAsync(
dst_host, src_device, byte_count, hip_stream
));
Ok(())
}
// TODO: just call hipMemGetAddressRange when HIP fixes handling of NULL args
pub(crate) unsafe fn get_address_range(
pbase: *mut hipDeviceptr_t,
psize: *mut usize,
dptr: hipDeviceptr_t,
) -> hipError_t {
let mut base = hipDeviceptr_t(ptr::null_mut());
let mut size = 0;
let result = hipMemGetAddressRange(&mut base, &mut size, dptr);
if pbase != ptr::null_mut() {
*pbase = base;
}
if psize != ptr::null_mut() {
*psize = size;
}
result
}
pub(crate) unsafe fn copy3d(copy: *const CUDA_MEMCPY3D) -> Result<(), CUresult> {
if let Some(copy_desc) = copy.as_ref() {
hipfix::array::copy3d(copy_desc)
} else {
Err(CUresult::CUDA_ERROR_INVALID_VALUE)
}
}
pub(crate) unsafe fn copy2d_async(
copy: *const CUDA_MEMCPY2D,
stream: *mut Stream,
) -> Result<(), CUresult> {
if let Some(copy) = copy.as_ref() {
let hip_stream = stream::as_hip_stream(stream)?;
let copy = memcpy2d_from_cuda(copy);
hip_call_cuda!(hipMemcpyParam2DAsync(©, hip_stream));
Ok(())
} else {
Err(CUresult::CUDA_ERROR_INVALID_VALUE)
}
}
pub(crate) unsafe fn copy3d_async(
copy: *const CUDA_MEMCPY3D,
stream: *mut Stream,
) -> Result<(), CUresult> {
if let Some(copy) = copy.as_ref() {
let hip_stream = stream::as_hip_stream(stream)?;
hipfix::array::copy3d_async(hip_stream, copy)?;
Ok(())
} else {
Err(CUresult::CUDA_ERROR_INVALID_VALUE)
}
}
pub(crate) unsafe fn copy2d(copy: *const CUDA_MEMCPY2D) -> hipError_t {
if let Some(copy) = copy.as_ref() {
let copy = memcpy2d_from_cuda(copy);
hipMemcpyParam2D(©)
} else {
hipError_t::hipErrorInvalidValue
}
}
pub(crate) unsafe fn copy2d_unaligned(copy: *const CUDA_MEMCPY2D) -> hipError_t {
if let Some(copy) = copy.as_ref() {
let copy = memcpy2d_from_cuda(copy);
hipDrvMemcpy2DUnaligned(©)
} else {
hipError_t::hipErrorInvalidValue
}
}
pub(crate) unsafe fn set_d8_async(
dst_device: hipDeviceptr_t,
uc: ::std::os::raw::c_uchar,
n: usize,
stream: *mut stream::Stream,
default_stream_per_thread: bool,
) -> Result<(), CUresult> {
let hip_stream = hipfix::as_hip_stream_per_thread(stream, default_stream_per_thread)?;
hip_call_cuda!(hipMemsetD8Async(dst_device, uc, n, hip_stream));
Ok(())
}
pub(crate) unsafe fn set_d32_async(
dst_device: hipDeviceptr_t,
uc: ::std::os::raw::c_uint,
n: usize,
stream: *mut stream::Stream,
) -> Result<(), CUresult> {
let hip_stream = stream::as_hip_stream(stream)?;
hip_call_cuda!(hipMemsetD32Async(dst_device, uc as i32, n, hip_stream));
Ok(())
}
pub(crate) unsafe fn host_get_device_pointer(
pdptr: *mut hipDeviceptr_t,
p: *mut ::std::os::raw::c_void,
flags: ::std::os::raw::c_uint,
) -> hipError_t {
hipHostGetDevicePointer(pdptr as _, p, flags)
}
pub(crate) unsafe fn copy_dtd_async(
dst_device: hipDeviceptr_t,
src_device: hipDeviceptr_t,
byte_count: usize,
stream: *mut stream::Stream,
default_stream_per_thread: bool,
) -> Result<(), CUresult> {
let hip_stream = hipfix::as_hip_stream_per_thread(stream, default_stream_per_thread)?;
hip_call_cuda!(hipMemcpyDtoDAsync(
dst_device, src_device, byte_count, hip_stream
));
Ok(())
}
pub(crate) unsafe fn copy_async(
dst: hipDeviceptr_t,
src: hipDeviceptr_t,
byte_count: usize,
h_stream: *mut stream::Stream,
default_stream_per_thread: bool,
) -> Result<(), CUresult> {
let hip_stream = hipfix::as_hip_stream_per_thread(h_stream, default_stream_per_thread)?;
hip_call_cuda!(hipMemcpyAsync(
dst.0,
src.0,
byte_count,
hipMemcpyKind::hipMemcpyDefault,
hip_stream
));
Ok(())
}
pub(crate) unsafe fn free_async(
dptr: hipDeviceptr_t,
stream: *mut stream::Stream,
) -> Result<(), CUresult> {
let hip_stream = stream::as_hip_stream(stream)?;
hip_call_cuda! { hipFreeAsync(dptr.0, hip_stream) };
Ok(())
}
pub(crate) unsafe fn prefetch_async(
dev_ptr: hipDeviceptr_t,
count: usize,
dst_device: hipDevice_t,
stream: *mut stream::Stream,
) -> Result<(), CUresult> {
let hip_stream = stream::as_hip_stream(stream)?;
hip_call_cuda! { hipMemPrefetchAsync(dev_ptr.0, count, dst_device, hip_stream) };
Ok(())
}
pub(crate) unsafe fn set_d8_ptds(
dst_device: hipDeviceptr_t,
uc: ::std::os::raw::c_uchar,
byte_size: usize,
) -> hipError_t {
let byte_size = hipfix::alloc_round_up(byte_size);
let int_size = byte_size / 4;
let value = i32::from_ne_bytes([uc, uc, uc, uc]);
hipMemset_spt(dst_device.0, value, int_size)
}
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