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Lucas ManningandgVisor bot
0328236355
Now there is a main tpuproxy directory and two subdirs for each of the different proxy implementations. PiperOrigin-RevId: 667688748
38 lines
1.3 KiB
Go
38 lines
1.3 KiB
Go
// Copyright 2024 The gVisor Authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License
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package util
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import (
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"unsafe"
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"golang.org/x/exp/constraints"
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"golang.org/x/sys/unix"
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)
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// IOCTLInvokePtrArg makes ioctl syscalls with the command of the integer type
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// and the pointer to any given params.
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func IOCTLInvokePtrArg[Cmd constraints.Integer, Params any](hostFd int32, cmd Cmd, params *Params) (uintptr, error) {
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return IOCTLInvoke[Cmd, uintptr](hostFd, cmd, uintptr(unsafe.Pointer(params)))
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}
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// IOCTLInvoke makes ioctl syscalls with the arg of the integer type.
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func IOCTLInvoke[Cmd, Arg constraints.Integer](hostFd int32, cmd Cmd, arg Arg) (uintptr, error) {
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n, _, errno := unix.RawSyscall(unix.SYS_IOCTL, uintptr(hostFd), uintptr(cmd), uintptr(arg))
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if errno != 0 {
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return n, errno
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}
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return n, nil
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}
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