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[OpenMP] Add definition/interface for target memory routines 

The change includes new routines introduced in 5.1 and Fortran
interface.

Differential Revision: https://reviews.llvm.org/D93505
This commit is contained in:
Hansang Bae 2020-12-17 18:43:36 -06:00
parent 4d7cb6da9f
commit 82a29a62ab
3 changed files with 222 additions and 0 deletions
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18
openmp/runtime/src/include/omp.h.var
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@ -213,6 +213,24 @@
*/
extern const char * __KAI_KMPC_CONVENTION omp_get_interop_rc_desc(const omp_interop_rc_t, omp_interop_rc_t);
/* OpenMP 5.1 device memory routines */
/*!
* The `omp_target_memcpy_async` routine asynchronously performs a copy between any combination of host and device pointers.
*/
extern int __KAI_KMPC_CONVENTION omp_target_memcpy_async(void *, const void *, size_t, size_t, size_t, int,
int, int, omp_depend_t *);
/*!
* The `omp_target_memcpy_rect_async` routine asynchronously performs a copy between any combination of host and device pointers.
*/
extern int __KAI_KMPC_CONVENTION omp_target_memcpy_rect_async(void *, const void *, size_t, int, const size_t *,
const size_t *, const size_t *, const size_t *, const size_t *, int, int,
int, omp_depend_t *);
/*!
* The `omp_get_mapped_ptr` routine returns the device pointer that is associated with a host pointer for a given device.
*/
extern void * __KAI_KMPC_CONVENTION omp_get_mapped_ptr(const void *, int);
/* kmp API functions */
extern int __KAI_KMPC_CONVENTION kmp_get_stacksize (void);
extern void __KAI_KMPC_CONVENTION kmp_set_stacksize (int);

97
openmp/runtime/src/include/omp_lib.f90.var
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@ -509,6 +509,103 @@
end subroutine omp_display_env
function omp_target_alloc(size, device_num) bind(c)
use omp_lib_kinds
type(c_ptr) omp_target_alloc
integer (kind=kmp_size_t_kind), value :: size
integer (kind=omp_integer_kind), value :: device_num
end function omp_target_alloc
subroutine omp_target_free(device_ptr, device_num) bind(c)
use omp_lib_kinds
type(c_ptr), value :: device_ptr
integer (kind=omp_integer_kind), value :: device_num
end subroutine omp_target_free
function omp_target_is_present(ptr, device_num) bind(c)
use omp_lib_kinds
integer (kind=omp_integer_kind) omp_target_is_present
type(c_ptr), value :: ptr
integer (kind=omp_integer_kind), value :: device_num
end function omp_target_is_present
function omp_target_memcpy(dst, src, length, dst_offset, src_offset, &
dst_device_num, src_device_num) bind(c)
use omp_lib_kinds
integer (kind=omp_integer_kind) omp_target_memcpy
type(c_ptr), value :: dst, src
integer (kind=kmp_size_t_kind), value :: length, dst_offset, &
src_offset
integer (kind=omp_integer_kind), value :: dst_device_num, &
src_device_num
end function omp_target_memcpy
function omp_target_memcpy_rect(dst, src, element_size, num_dims, &
volume, dst_offsets, src_offsets, dst_dimensions, &
src_dimensions, dst_device_num, src_device_num) bind(c)
use omp_lib_kinds
integer (kind=omp_integer_kind) omp_target_memcpy_rect
type(c_ptr), value :: dst, src
integer (kind=kmp_size_t_kind), value :: element_size
integer (kind=omp_integer_kind), value :: num_dims, &
dst_device_num, src_device_num
integer (kind=kmp_size_t_kind), intent(in) :: volume(*), &
dst_offsets(*), src_offsets(*), dst_dimensions(*), &
src_dimensions(*)
end function omp_target_memcpy_rect
function omp_target_memcpy_async(dst, src, length, dst_offset, &
src_offset, dst_device_num, src_device_num, depobj_count, &
depobj_list) bind(c)
use omp_lib_kinds
integer (kind=omp_integer_kind) omp_target_memcpy_async
type(c_ptr), value :: dst, src
integer (kind=kmp_size_t_kind), value :: length, dst_offset, &
src_offset
integer (kind=omp_integer_kind), value :: dst_device_num, &
src_device_num, depobj_count
integer (kind=omp_depend_kind), optional :: depobj_list(*)
end function omp_target_memcpy_async
function omp_target_memcpy_rect_async(dst, src, element_size, &
num_dims, volume, dst_offsets, src_offsets, dst_dimensions, &
src_dimensions, dst_device_num, src_device_num, depobj_count, &
depobj_list) bind(c)
use omp_lib_kinds
integer (kind=omp_integer_kind) omp_target_memcpy_rect_async
type(c_ptr), value :: dst, src
integer (kind=kmp_size_t_kind), value :: element_size
integer (kind=omp_integer_kind), value :: num_dims, &
dst_device_num, src_device_num, depobj_count
integer (kind=kmp_size_t_kind), intent(in) :: volume(*), &
dst_offsets(*), src_offsets(*), dst_dimensions(*), &
src_dimensions(*)
integer (kind=omp_depend_kind), optional :: depobj_list(*)
end function omp_target_memcpy_rect_async
function omp_target_associate_ptr(host_ptr, device_ptr, size, &
device_offset, device_num) bind(c)
use omp_lib_kinds
integer (kind=omp_integer_kind) omp_target_associate_ptr
type(c_ptr), value :: host_ptr, device_ptr
integer (kind=kmp_size_t_kind), value :: size, device_offset
integer (kind=omp_integer_kind), value :: device_num
end function omp_target_associate_ptr
function omp_get_mapped_ptr(ptr, device_num) bind(c)
use omp_lib_kinds
type(c_ptr) omp_get_mapped_ptr
type(c_ptr), value :: ptr
integer (kind=omp_integer_kind), value :: device_num
end function omp_get_mapped_ptr
function omp_target_disassociate_ptr(ptr, device_num) bind(c)
use omp_lib_kinds
integer (kind=omp_integer_kind) omp_target_disassociate_ptr
type(c_ptr), value :: ptr
integer (kind=omp_integer_kind), value :: device_num
end function omp_target_disassociate_ptr
! ***
! *** kmp_* entry points
! ***

107
openmp/runtime/src/include/omp_lib.h.var
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@ -585,6 +585,113 @@
logical (kind=omp_logical_kind), value :: verbose
end subroutine omp_display_env
function omp_target_alloc(size, device_num) bind(c)
use, intrinsic :: iso_c_binding, only : c_ptr
import
type(c_ptr) omp_target_alloc
integer (kind=kmp_size_t_kind), value :: size
integer (kind=omp_integer_kind), value :: device_num
end function omp_target_alloc
subroutine omp_target_free(device_ptr, device_num) bind(c)
use, intrinsic :: iso_c_binding, only : c_ptr
import
type(c_ptr), value :: device_ptr
integer (kind=omp_integer_kind), value :: device_num
end subroutine omp_target_free
function omp_target_is_present(ptr, device_num) bind(c)
use, intrinsic :: iso_c_binding, only : c_ptr
import
integer (kind=omp_integer_kind) omp_target_is_present
type(c_ptr), value :: ptr
integer (kind=omp_integer_kind), value :: device_num
end function omp_target_is_present
function omp_target_memcpy(dst, src, length, dst_offset, &
& src_offset, dst_device_num, src_device_num) bind(c)
use, intrinsic :: iso_c_binding, only : c_ptr
import
integer (kind=omp_integer_kind) omp_target_memcpy
type(c_ptr), value :: dst, src
integer (kind=kmp_size_t_kind), value :: length, dst_offset, &
& src_offset
integer (kind=omp_integer_kind), value :: dst_device_num, &
& src_device_num
end function omp_target_memcpy
function omp_target_memcpy_rect(dst, src, element_size, &
& num_dims, volume, dst_offsets, src_offsets, dst_dimensions, &
& src_dimensions, dst_device_num, src_device_num) bind(c)
use, intrinsic :: iso_c_binding, only : c_ptr
import
integer (kind=omp_integer_kind) omp_target_memcpy_rect
type(c_ptr), value :: dst, src
integer (kind=kmp_size_t_kind), value :: element_size
integer (kind=omp_integer_kind), value :: num_dims, &
& dst_device_num, src_device_num
integer (kind=kmp_size_t_kind), intent(in) :: volume(*), &
& dst_offsets(*), src_offsets(*), dst_dimensions(*), &
& src_dimensions(*)
end function omp_target_memcpy_rect
function omp_target_memcpy_async(dst, src, length, dst_offset, &
& src_offset, dst_device_num, src_device_num, depobj_count, &
& depobj_list) bind(c)
use, intrinsic :: iso_c_binding, only : c_ptr
import
integer (kind=omp_integer_kind) omp_target_memcpy_async
type(c_ptr), value :: dst, src
integer (kind=kmp_size_t_kind), value :: length, dst_offset, &
& src_offset
integer (kind=omp_integer_kind), value :: dst_device_num, &
& src_device_num, depobj_count
integer (kind=omp_depend_kind), optional :: depobj_list(*)
end function omp_target_memcpy_async
function omp_target_memcpy_rect_async(dst, src, element_size, &
& num_dims, volume, dst_offsets, src_offsets, dst_dimensions, &
& src_dimensions, dst_device_num, src_device_num, &
& depobj_count, depobj_list) bind(c)
use, intrinsic :: iso_c_binding, only : c_ptr
import
integer (kind=omp_integer_kind) omp_target_memcpy_rect_async
type(c_ptr), value :: dst, src
integer (kind=kmp_size_t_kind), value :: element_size
integer (kind=omp_integer_kind), value :: num_dims, &
& dst_device_num, src_device_num, depobj_count
integer (kind=kmp_size_t_kind), intent(in) :: volume(*), &
& dst_offsets(*), src_offsets(*), dst_dimensions(*), &
& src_dimensions(*)
integer (kind=omp_depend_kind), optional :: depobj_list(*)
end function omp_target_memcpy_rect_async
function omp_target_associate_ptr(host_ptr, device_ptr, size, &
& device_offset, device_num) bind(c)
use, intrinsic :: iso_c_binding, only : c_ptr
import
integer (kind=omp_integer_kind) omp_target_associate_ptr
type(c_ptr), value :: host_ptr, device_ptr
integer (kind=kmp_size_t_kind), value :: size, device_offset
integer (kind=omp_integer_kind), value :: device_num
end function omp_target_associate_ptr
function omp_get_mapped_ptr(ptr, device_num) bind(c)
use, intrinsic :: iso_c_binding, only : c_ptr
import
type(c_ptr) omp_get_mapped_ptr
type(c_ptr), value :: ptr
integer (kind=omp_integer_kind), value :: device_num
end function omp_get_mapped_ptr
function omp_target_disassociate_ptr(ptr, device_num) bind(c)
use, intrinsic :: iso_c_binding, only : c_ptr
import
integer (kind=omp_integer_kind) omp_target_disassociate_ptr
type(c_ptr), value :: ptr
integer (kind=omp_integer_kind), value :: device_num
end function omp_target_disassociate_ptr
! ***
! *** kmp_* entry points
! ***