diff options
author | Gibheer <gibheer+git@zero-knowledge.org> | 2021-12-02 17:54:14 +0100 |
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committer | Gibheer <gibheer+git@zero-knowledge.org> | 2021-12-02 17:54:14 +0100 |
commit | fa05045d31c05c8928020f05f1d281901d983b2b (patch) | |
tree | 2ed3bac60302bfb14535a169f4b3e10d18fc6120 /vendor/golang.org/x/sys/unix/ioctl_linux.go | |
parent | 41d4805d584161ca16b8187194385e47c36422a6 (diff) |
cmd/monfront - import monfront from separate repository
This is the import from the separate monfront repository. The history
could not be imported, but this should suffice.
Diffstat (limited to 'vendor/golang.org/x/sys/unix/ioctl_linux.go')
-rw-r--r-- | vendor/golang.org/x/sys/unix/ioctl_linux.go | 196 |
1 files changed, 196 insertions, 0 deletions
diff --git a/vendor/golang.org/x/sys/unix/ioctl_linux.go b/vendor/golang.org/x/sys/unix/ioctl_linux.go new file mode 100644 index 0000000..48773f7 --- /dev/null +++ b/vendor/golang.org/x/sys/unix/ioctl_linux.go @@ -0,0 +1,196 @@ +// Copyright 2021 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package unix + +import ( + "runtime" + "unsafe" +) + +// IoctlRetInt performs an ioctl operation specified by req on a device +// associated with opened file descriptor fd, and returns a non-negative +// integer that is returned by the ioctl syscall. +func IoctlRetInt(fd int, req uint) (int, error) { + ret, _, err := Syscall(SYS_IOCTL, uintptr(fd), uintptr(req), 0) + if err != 0 { + return 0, err + } + return int(ret), nil +} + +func IoctlGetUint32(fd int, req uint) (uint32, error) { + var value uint32 + err := ioctl(fd, req, uintptr(unsafe.Pointer(&value))) + return value, err +} + +func IoctlGetRTCTime(fd int) (*RTCTime, error) { + var value RTCTime + err := ioctl(fd, RTC_RD_TIME, uintptr(unsafe.Pointer(&value))) + return &value, err +} + +func IoctlSetRTCTime(fd int, value *RTCTime) error { + err := ioctl(fd, RTC_SET_TIME, uintptr(unsafe.Pointer(value))) + runtime.KeepAlive(value) + return err +} + +func IoctlGetRTCWkAlrm(fd int) (*RTCWkAlrm, error) { + var value RTCWkAlrm + err := ioctl(fd, RTC_WKALM_RD, uintptr(unsafe.Pointer(&value))) + return &value, err +} + +func IoctlSetRTCWkAlrm(fd int, value *RTCWkAlrm) error { + err := ioctl(fd, RTC_WKALM_SET, uintptr(unsafe.Pointer(value))) + runtime.KeepAlive(value) + return err +} + +type ifreqEthtool struct { + name [IFNAMSIZ]byte + data unsafe.Pointer +} + +// IoctlGetEthtoolDrvinfo fetches ethtool driver information for the network +// device specified by ifname. +func IoctlGetEthtoolDrvinfo(fd int, ifname string) (*EthtoolDrvinfo, error) { + // Leave room for terminating NULL byte. + if len(ifname) >= IFNAMSIZ { + return nil, EINVAL + } + + value := EthtoolDrvinfo{ + Cmd: ETHTOOL_GDRVINFO, + } + ifreq := ifreqEthtool{ + data: unsafe.Pointer(&value), + } + copy(ifreq.name[:], ifname) + err := ioctl(fd, SIOCETHTOOL, uintptr(unsafe.Pointer(&ifreq))) + runtime.KeepAlive(ifreq) + return &value, err +} + +// IoctlGetWatchdogInfo fetches information about a watchdog device from the +// Linux watchdog API. For more information, see: +// https://www.kernel.org/doc/html/latest/watchdog/watchdog-api.html. +func IoctlGetWatchdogInfo(fd int) (*WatchdogInfo, error) { + var value WatchdogInfo + err := ioctl(fd, WDIOC_GETSUPPORT, uintptr(unsafe.Pointer(&value))) + return &value, err +} + +// IoctlWatchdogKeepalive issues a keepalive ioctl to a watchdog device. For +// more information, see: +// https://www.kernel.org/doc/html/latest/watchdog/watchdog-api.html. +func IoctlWatchdogKeepalive(fd int) error { + return ioctl(fd, WDIOC_KEEPALIVE, 0) +} + +// IoctlFileCloneRange performs an FICLONERANGE ioctl operation to clone the +// range of data conveyed in value to the file associated with the file +// descriptor destFd. See the ioctl_ficlonerange(2) man page for details. +func IoctlFileCloneRange(destFd int, value *FileCloneRange) error { + err := ioctl(destFd, FICLONERANGE, uintptr(unsafe.Pointer(value))) + runtime.KeepAlive(value) + return err +} + +// IoctlFileClone performs an FICLONE ioctl operation to clone the entire file +// associated with the file description srcFd to the file associated with the +// file descriptor destFd. See the ioctl_ficlone(2) man page for details. +func IoctlFileClone(destFd, srcFd int) error { + return ioctl(destFd, FICLONE, uintptr(srcFd)) +} + +type FileDedupeRange struct { + Src_offset uint64 + Src_length uint64 + Reserved1 uint16 + Reserved2 uint32 + Info []FileDedupeRangeInfo +} + +type FileDedupeRangeInfo struct { + Dest_fd int64 + Dest_offset uint64 + Bytes_deduped uint64 + Status int32 + Reserved uint32 +} + +// IoctlFileDedupeRange performs an FIDEDUPERANGE ioctl operation to share the +// range of data conveyed in value from the file associated with the file +// descriptor srcFd to the value.Info destinations. See the +// ioctl_fideduperange(2) man page for details. +func IoctlFileDedupeRange(srcFd int, value *FileDedupeRange) error { + buf := make([]byte, SizeofRawFileDedupeRange+ + len(value.Info)*SizeofRawFileDedupeRangeInfo) + rawrange := (*RawFileDedupeRange)(unsafe.Pointer(&buf[0])) + rawrange.Src_offset = value.Src_offset + rawrange.Src_length = value.Src_length + rawrange.Dest_count = uint16(len(value.Info)) + rawrange.Reserved1 = value.Reserved1 + rawrange.Reserved2 = value.Reserved2 + + for i := range value.Info { + rawinfo := (*RawFileDedupeRangeInfo)(unsafe.Pointer( + uintptr(unsafe.Pointer(&buf[0])) + uintptr(SizeofRawFileDedupeRange) + + uintptr(i*SizeofRawFileDedupeRangeInfo))) + rawinfo.Dest_fd = value.Info[i].Dest_fd + rawinfo.Dest_offset = value.Info[i].Dest_offset + rawinfo.Bytes_deduped = value.Info[i].Bytes_deduped + rawinfo.Status = value.Info[i].Status + rawinfo.Reserved = value.Info[i].Reserved + } + + err := ioctl(srcFd, FIDEDUPERANGE, uintptr(unsafe.Pointer(&buf[0]))) + + // Output + for i := range value.Info { + rawinfo := (*RawFileDedupeRangeInfo)(unsafe.Pointer( + uintptr(unsafe.Pointer(&buf[0])) + uintptr(SizeofRawFileDedupeRange) + + uintptr(i*SizeofRawFileDedupeRangeInfo))) + value.Info[i].Dest_fd = rawinfo.Dest_fd + value.Info[i].Dest_offset = rawinfo.Dest_offset + value.Info[i].Bytes_deduped = rawinfo.Bytes_deduped + value.Info[i].Status = rawinfo.Status + value.Info[i].Reserved = rawinfo.Reserved + } + + return err +} + +func IoctlHIDGetDesc(fd int, value *HIDRawReportDescriptor) error { + err := ioctl(fd, HIDIOCGRDESC, uintptr(unsafe.Pointer(value))) + runtime.KeepAlive(value) + return err +} + +func IoctlHIDGetRawInfo(fd int) (*HIDRawDevInfo, error) { + var value HIDRawDevInfo + err := ioctl(fd, HIDIOCGRAWINFO, uintptr(unsafe.Pointer(&value))) + return &value, err +} + +func IoctlHIDGetRawName(fd int) (string, error) { + var value [_HIDIOCGRAWNAME_LEN]byte + err := ioctl(fd, _HIDIOCGRAWNAME, uintptr(unsafe.Pointer(&value[0]))) + return ByteSliceToString(value[:]), err +} + +func IoctlHIDGetRawPhys(fd int) (string, error) { + var value [_HIDIOCGRAWPHYS_LEN]byte + err := ioctl(fd, _HIDIOCGRAWPHYS, uintptr(unsafe.Pointer(&value[0]))) + return ByteSliceToString(value[:]), err +} + +func IoctlHIDGetRawUniq(fd int) (string, error) { + var value [_HIDIOCGRAWUNIQ_LEN]byte + err := ioctl(fd, _HIDIOCGRAWUNIQ, uintptr(unsafe.Pointer(&value[0]))) + return ByteSliceToString(value[:]), err +} |