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-rw-r--r--include/asm-ppc64/ioctl.h74
1 files changed, 0 insertions, 74 deletions
diff --git a/include/asm-ppc64/ioctl.h b/include/asm-ppc64/ioctl.h
deleted file mode 100644
index 42b8c5da7fbc..000000000000
--- a/include/asm-ppc64/ioctl.h
+++ /dev/null
@@ -1,74 +0,0 @@
1#ifndef _PPC64_IOCTL_H
2#define _PPC64_IOCTL_H
3
4
5/*
6 * This was copied from the alpha as it's a bit cleaner there.
7 * -- Cort
8 *
9 * This program is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License
11 * as published by the Free Software Foundation; either version
12 * 2 of the License, or (at your option) any later version.
13 */
14
15#define _IOC_NRBITS 8
16#define _IOC_TYPEBITS 8
17#define _IOC_SIZEBITS 13
18#define _IOC_DIRBITS 3
19
20#define _IOC_NRMASK ((1 << _IOC_NRBITS)-1)
21#define _IOC_TYPEMASK ((1 << _IOC_TYPEBITS)-1)
22#define _IOC_SIZEMASK ((1 << _IOC_SIZEBITS)-1)
23#define _IOC_DIRMASK ((1 << _IOC_DIRBITS)-1)
24
25#define _IOC_NRSHIFT 0
26#define _IOC_TYPESHIFT (_IOC_NRSHIFT+_IOC_NRBITS)
27#define _IOC_SIZESHIFT (_IOC_TYPESHIFT+_IOC_TYPEBITS)
28#define _IOC_DIRSHIFT (_IOC_SIZESHIFT+_IOC_SIZEBITS)
29
30/*
31 * Direction bits _IOC_NONE could be 0, but OSF/1 gives it a bit.
32 * And this turns out useful to catch old ioctl numbers in header
33 * files for us.
34 */
35#define _IOC_NONE 1U
36#define _IOC_READ 2U
37#define _IOC_WRITE 4U
38
39#define _IOC(dir,type,nr,size) \
40 (((dir) << _IOC_DIRSHIFT) | \
41 ((type) << _IOC_TYPESHIFT) | \
42 ((nr) << _IOC_NRSHIFT) | \
43 ((size) << _IOC_SIZESHIFT))
44
45/* provoke compile error for invalid uses of size argument */
46extern unsigned int __invalid_size_argument_for_IOC;
47#define _IOC_TYPECHECK(t) \
48 ((sizeof(t) == sizeof(t[1]) && \
49 sizeof(t) < (1 << _IOC_SIZEBITS)) ? \
50 sizeof(t) : __invalid_size_argument_for_IOC)
51
52/* used to create numbers */
53#define _IO(type,nr) _IOC(_IOC_NONE,(type),(nr),0)
54#define _IOR(type,nr,size) _IOC(_IOC_READ,(type),(nr),(_IOC_TYPECHECK(size)))
55#define _IOW(type,nr,size) _IOC(_IOC_WRITE,(type),(nr),(_IOC_TYPECHECK(size)))
56#define _IOWR(type,nr,size) _IOC(_IOC_READ|_IOC_WRITE,(type),(nr),(_IOC_TYPECHECK(size)))
57#define _IOR_BAD(type,nr,size) _IOC(_IOC_READ,(type),(nr),sizeof(size))
58#define _IOW_BAD(type,nr,size) _IOC(_IOC_WRITE,(type),(nr),sizeof(size))
59#define _IOWR_BAD(type,nr,size) _IOC(_IOC_READ|_IOC_WRITE,(type),(nr),sizeof(size))
60
61/* used to decode them.. */
62#define _IOC_DIR(nr) (((nr) >> _IOC_DIRSHIFT) & _IOC_DIRMASK)
63#define _IOC_TYPE(nr) (((nr) >> _IOC_TYPESHIFT) & _IOC_TYPEMASK)
64#define _IOC_NR(nr) (((nr) >> _IOC_NRSHIFT) & _IOC_NRMASK)
65#define _IOC_SIZE(nr) (((nr) >> _IOC_SIZESHIFT) & _IOC_SIZEMASK)
66
67/* various drivers, such as the pcmcia stuff, need these... */
68#define IOC_IN (_IOC_WRITE << _IOC_DIRSHIFT)
69#define IOC_OUT (_IOC_READ << _IOC_DIRSHIFT)
70#define IOC_INOUT ((_IOC_WRITE|_IOC_READ) << _IOC_DIRSHIFT)
71#define IOCSIZE_MASK (_IOC_SIZEMASK << _IOC_SIZESHIFT)
72#define IOCSIZE_SHIFT (_IOC_SIZESHIFT)
73
74#endif /* _PPC64_IOCTL_H */