aboutsummaryrefslogtreecommitdiff
path: root/vendor/golang.org/x/sys/unix/dev_aix_ppc.go
blob: 65a998508db406e2d660b45a9d1c6d4746754751 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
// 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.

//go:build aix && ppc
// +build aix,ppc

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

package unix

// Major returns the major component of a Linux device number.
func Major(dev uint64) uint32 {
	return uint32((dev >> 16) & 0xffff)
}

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

// Mkdev returns a Linux device number generated from the given major and minor
// components.
func Mkdev(major, minor uint32) uint64 {
	return uint64(((major) << 16) | (minor))
}