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// Copyright 2018 The gVisor Authors.
//
// 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 linux
// ioctl(2) requests provided by asm-generic/ioctls.h
//
// These are ordered by request number (low byte).
const (
TCGETS = 0x00005401
TCSETS = 0x00005402
TCSETSW = 0x00005403
TCSETSF = 0x00005404
TCSBRK = 0x00005409
TIOCEXCL = 0x0000540c
TIOCNXCL = 0x0000540d
TIOCSCTTY = 0x0000540e
TIOCGPGRP = 0x0000540f
TIOCSPGRP = 0x00005410
TIOCOUTQ = 0x00005411
TIOCSTI = 0x00005412
TIOCGWINSZ = 0x00005413
TIOCSWINSZ = 0x00005414
TIOCMGET = 0x00005415
TIOCMBIS = 0x00005416
TIOCMBIC = 0x00005417
TIOCMSET = 0x00005418
TIOCINQ = 0x0000541b
FIONREAD = TIOCINQ
FIONBIO = 0x00005421
TIOCSETD = 0x00005423
TIOCNOTTY = 0x00005422
TIOCGETD = 0x00005424
TCSBRKP = 0x00005425
TIOCSBRK = 0x00005427
TIOCCBRK = 0x00005428
TIOCGSID = 0x00005429
TIOCGPTN = 0x80045430
TIOCSPTLCK = 0x40045431
TIOCGDEV = 0x80045432
TIOCVHANGUP = 0x00005437
TCFLSH = 0x0000540b
TIOCCONS = 0x0000541d
TIOCSSERIAL = 0x0000541f
TIOCGEXCL = 0x80045440
TIOCGPTPEER = 0x80045441
TIOCGICOUNT = 0x0000545d
FIONCLEX = 0x00005450
FIOCLEX = 0x00005451
FIOASYNC = 0x00005452
FIOSETOWN = 0x00008901
SIOCSPGRP = 0x00008902
FIOGETOWN = 0x00008903
SIOCGPGRP = 0x00008904
)
// ioctl(2) requests provided by uapi/linux/sockios.h
const (
SIOCGIFNAME = 0x8910
SIOCGIFCONF = 0x8912
SIOCGIFFLAGS = 0x8913
SIOCGIFADDR = 0x8915
SIOCGIFDSTADDR = 0x8917
SIOCGIFBRDADDR = 0x8919
SIOCGIFNETMASK = 0x891b
SIOCGIFMETRIC = 0x891d
SIOCGIFMTU = 0x8921
SIOCGIFMEM = 0x891f
SIOCGIFHWADDR = 0x8927
SIOCGIFINDEX = 0x8933
SIOCGIFPFLAGS = 0x8935
SIOCGIFTXQLEN = 0x8942
SIOCETHTOOL = 0x8946
SIOCGMIIPHY = 0x8947
SIOCGMIIREG = 0x8948
SIOCGIFMAP = 0x8970
)
// ioctl(2) requests provided by uapi/asm-generic/sockios.h
const (
SIOCGSTAMP = 0x8906
)
// ioctl(2) directions. Used to calculate requests number.
// Constants from asm-generic/ioctl.h.
const (
_IOC_NONE = 0
_IOC_WRITE = 1
_IOC_READ = 2
)
// Constants from asm-generic/ioctl.h.
const (
_IOC_NRBITS = 8
_IOC_TYPEBITS = 8
_IOC_SIZEBITS = 14
_IOC_DIRBITS = 2
_IOC_NRSHIFT = 0
_IOC_TYPESHIFT = _IOC_NRSHIFT + _IOC_NRBITS
_IOC_SIZESHIFT = _IOC_TYPESHIFT + _IOC_TYPEBITS
_IOC_DIRSHIFT = _IOC_SIZESHIFT + _IOC_SIZEBITS
)
// Constants from uapi/linux/fs.h.
const (
FS_IOC_GETFLAGS = 2148034049
FS_VERITY_FL = 1048576
)
// Constants from uapi/linux/fsverity.h.
const (
FS_VERITY_HASH_ALG_SHA256 = 1
FS_VERITY_HASH_ALG_SHA512 = 2
FS_IOC_ENABLE_VERITY = 1082156677
FS_IOC_MEASURE_VERITY = 3221513862
)
// DigestMetadata is a helper struct for VerityDigest.
//
// +marshal
type DigestMetadata struct {
DigestAlgorithm uint16
DigestSize uint16
}
// SizeOfDigestMetadata is the size of struct DigestMetadata.
const SizeOfDigestMetadata = 4
// VerityDigest is struct from uapi/linux/fsverity.h.
type VerityDigest struct {
Metadata DigestMetadata
Digest []byte
}
// IOC outputs the result of _IOC macro in asm-generic/ioctl.h.
func IOC(dir, typ, nr, size uint32) uint32 {
return uint32(dir)<<_IOC_DIRSHIFT | typ<<_IOC_TYPESHIFT | nr<<_IOC_NRSHIFT | size<<_IOC_SIZESHIFT
}
// Kcov ioctls from kernel/kcov.h.
var (
KCOV_INIT_TRACE = IOC(_IOC_READ, 'c', 1, 8)
KCOV_ENABLE = IOC(_IOC_NONE, 'c', 100, 0)
KCOV_DISABLE = IOC(_IOC_NONE, 'c', 101, 0)
)
// Kcov trace types from kernel/kcov.h.
const (
KCOV_TRACE_PC = 0
KCOV_TRACE_CMP = 1
)
// Kcov state constants from kernel/kcov.h.
const (
KCOV_MODE_DISABLED = 0
KCOV_MODE_INIT = 1
KCOV_MODE_TRACE_PC = 2
KCOV_MODE_TRACE_CMP = 3
)
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