dev_aix_ppc64.go
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dev_aix_ppc64.go
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	// Copyright 2018 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.

	// +build aix
	// +build ppc64

	// Functions to access/create device major and minor numbers matching the
	// encoding used AIX.

	package unix

	// Major returns the major component of a Linux device number.
	func Major(dev uint64) uint32 {
	return uint32((dev & 0x3fffffff00000000) >> 32)
	}

	// Minor returns the minor component of a Linux device number.
	func Minor(dev uint64) uint32 {
	return uint32((dev & 0x00000000ffffffff) >> 0)
	}

	// Mkdev returns a Linux device number generated from the given major and minor
	// components.
	func Mkdev(major, minor uint32) uint64 {
	var DEVNO64 uint64
	DEVNO64 = 0x8000000000000000
	return ((uint64(major) << 32) \| (uint64(minor) & 0x00000000FFFFFFFF) \| DEVNO64)
	}