github.com/ttpreport/gvisor-ligolo@v0.0.0-20240123134145-a858404967ba/pkg/sentry/devices/nvproxy/uvm_unsafe.go (about)

     1  // Copyright 2023 The gVisor Authors.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package nvproxy
    16  
    17  import (
    18  	"unsafe"
    19  
    20  	"golang.org/x/sys/unix"
    21  )
    22  
    23  func uvmIoctlInvoke[Params any](ui *uvmIoctlState, ioctlParams *Params) (uintptr, error) {
    24  	n, _, errno := unix.RawSyscall(unix.SYS_IOCTL, uintptr(ui.fd.hostFD), uintptr(ui.cmd), uintptr(unsafe.Pointer(ioctlParams)))
    25  	if errno != 0 {
    26  		return n, errno
    27  	}
    28  	return n, nil
    29  }