dev_aix_ppc.go (757B)
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 && ppc 6 // +build aix,ppc 7 8 // Functions to access/create device major and minor numbers matching the 9 // encoding used by 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 >> 16) & 0xffff) 16 } 17 18 // Minor returns the minor component of a Linux device number. 19 func Minor(dev uint64) uint32 { 20 return uint32(dev & 0xffff) 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 return uint64(((major) << 16) | (minor)) 27 }