usb-ks

USB Killswitch
git clone git://git.laack.co/usb-ks.git
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dev_aix_ppc64.go (878B)

      1 // Copyright 2018 The Go Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style
      3 // license that can be found in the LICENSE file.
      4 
      5 //go:build aix && ppc64
      6 // +build aix,ppc64
      7 
      8 // Functions to access/create device major and minor numbers matching the
      9 // encoding used AIX.
     10 
     11 package unix
     12 
     13 // Major returns the major component of a Linux device number.
     14 func Major(dev uint64) uint32 {
     15 	return uint32((dev & 0x3fffffff00000000) >> 32)
     16 }
     17 
     18 // Minor returns the minor component of a Linux device number.
     19 func Minor(dev uint64) uint32 {
     20 	return uint32((dev & 0x00000000ffffffff) >> 0)
     21 }
     22 
     23 // Mkdev returns a Linux device number generated from the given major and minor
     24 // components.
     25 func Mkdev(major, minor uint32) uint64 {
     26 	var DEVNO64 uint64
     27 	DEVNO64 = 0x8000000000000000
     28 	return ((uint64(major) << 32) | (uint64(minor) & 0x00000000FFFFFFFF) | DEVNO64)
     29 }