nvidia-container-toolkit/internal/dxcore/dxcore.go

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/**
# Copyright (c) NVIDIA CORPORATION. All rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
**/
package dxcore
/*
#cgo LDFLAGS: -Wl,--unresolved-symbols=ignore-in-object-files
#include <dxcore.h>
*/
import "C"
import (
"fmt"
"unsafe"
)
type context C.struct_dxcore_context
type adapter C.struct_dxcore_adapter
// initContext initializes the dxcore context and populates the list of adapters.
func initContext() (*context, error) {
cContext := C.struct_dxcore_context{}
if C.dxcore_init_context(&cContext) != 0 {
return nil, fmt.Errorf("failed to initialize dxcore context")
}
c := (*context)(&cContext)
return c, nil
}
// deinitContext deinitializes the dxcore context and frees the list of adapters.
func (c context) deinitContext() {
cContext := C.struct_dxcore_context(c)
C.dxcore_deinit_context(&cContext)
}
func (c context) getAdapterCount() int {
return int(c.adapterCount)
}
func (c context) getAdapter(index int) adapter {
arrayPointer := (*[1 << 30]C.struct_dxcore_adapter)(unsafe.Pointer(c.adapterList))
return adapter(arrayPointer[index])
}
func (a adapter) getDriverStorePath() string {
return C.GoString(a.pDriverStorePath)
}