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:$ diff -u include/asm-sparc/ioctl.h include/asm-sparc64/ioctl.h :-- include/asm-sparc/ioctl.h 2008-06-13 06:46:39.000000000 +0200 :++ include/asm-sparc64/ioctl.h 2008-06-13 08:46:29.000000000 +0200 :@@ -1,5 +1,5 @@ :-#ifndef _SPARC_IOCTL_H :-#define _SPARC_IOCTL_H :+#ifndef _SPARC64_IOCTL_H :+#define _SPARC64_IOCTL_H : :/* :* Our DIR and SIZE overlap in order to simulteneously provide :@@ -64,4 +64,4 @@ :#define IOCSIZE_MASK (_IOC_XSIZEMASK << _IOC_SIZESHIFT) :#define IOCSIZE_SHIFT (_IOC_SIZESHIFT) : :-#endif /* !(_SPARC_IOCTL_H) */ :+#endif /* !(_SPARC64_IOCTL_H) */ Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
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Sam Ravnborg
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David S. Miller
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Jul 18, 2008
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,67 +1 @@ | ||
| #ifndef _SPARC64_IOCTL_H | ||
| #define _SPARC64_IOCTL_H | ||
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|
||
| /* | ||
| * Our DIR and SIZE overlap in order to simulteneously provide | ||
| * a non-zero _IOC_NONE (for binary compatibility) and | ||
| * 14 bits of size as on i386. Here's the layout: | ||
| * | ||
| * 0xE0000000 DIR | ||
| * 0x80000000 DIR = WRITE | ||
| * 0x40000000 DIR = READ | ||
| * 0x20000000 DIR = NONE | ||
| * 0x3FFF0000 SIZE (overlaps NONE bit) | ||
| * 0x0000FF00 TYPE | ||
| * 0x000000FF NR (CMD) | ||
| */ | ||
|
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||
| #define _IOC_NRBITS 8 | ||
| #define _IOC_TYPEBITS 8 | ||
| #define _IOC_SIZEBITS 13 /* Actually 14, see below. */ | ||
| #define _IOC_DIRBITS 3 | ||
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||
| #define _IOC_NRMASK ((1 << _IOC_NRBITS)-1) | ||
| #define _IOC_TYPEMASK ((1 << _IOC_TYPEBITS)-1) | ||
| #define _IOC_SIZEMASK ((1 << _IOC_SIZEBITS)-1) | ||
| #define _IOC_XSIZEMASK ((1 << (_IOC_SIZEBITS+1))-1) | ||
| #define _IOC_DIRMASK ((1 << _IOC_DIRBITS)-1) | ||
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| #define _IOC_NRSHIFT 0 | ||
| #define _IOC_TYPESHIFT (_IOC_NRSHIFT + _IOC_NRBITS) | ||
| #define _IOC_SIZESHIFT (_IOC_TYPESHIFT + _IOC_TYPEBITS) | ||
| #define _IOC_DIRSHIFT (_IOC_SIZESHIFT + _IOC_SIZEBITS) | ||
|
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||
| #define _IOC_NONE 1U | ||
| #define _IOC_READ 2U | ||
| #define _IOC_WRITE 4U | ||
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||
| #define _IOC(dir,type,nr,size) \ | ||
| (((dir) << _IOC_DIRSHIFT) | \ | ||
| ((type) << _IOC_TYPESHIFT) | \ | ||
| ((nr) << _IOC_NRSHIFT) | \ | ||
| ((size) << _IOC_SIZESHIFT)) | ||
|
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||
| #define _IO(type,nr) _IOC(_IOC_NONE,(type),(nr),0) | ||
| #define _IOR(type,nr,size) _IOC(_IOC_READ,(type),(nr),sizeof(size)) | ||
| #define _IOW(type,nr,size) _IOC(_IOC_WRITE,(type),(nr),sizeof(size)) | ||
| #define _IOWR(type,nr,size) _IOC(_IOC_READ|_IOC_WRITE,(type),(nr),sizeof(size)) | ||
|
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||
| /* Used to decode ioctl numbers in drivers despite the leading underscore... */ | ||
| #define _IOC_DIR(nr) \ | ||
| ( (((((nr) >> _IOC_DIRSHIFT) & _IOC_DIRMASK) & (_IOC_WRITE|_IOC_READ)) != 0)? \ | ||
| (((nr) >> _IOC_DIRSHIFT) & (_IOC_WRITE|_IOC_READ)): \ | ||
| (((nr) >> _IOC_DIRSHIFT) & _IOC_DIRMASK) ) | ||
| #define _IOC_TYPE(nr) (((nr) >> _IOC_TYPESHIFT) & _IOC_TYPEMASK) | ||
| #define _IOC_NR(nr) (((nr) >> _IOC_NRSHIFT) & _IOC_NRMASK) | ||
| #define _IOC_SIZE(nr) \ | ||
| ((((((nr) >> _IOC_DIRSHIFT) & _IOC_DIRMASK) & (_IOC_WRITE|_IOC_READ)) == 0)? \ | ||
| 0: (((nr) >> _IOC_SIZESHIFT) & _IOC_XSIZEMASK)) | ||
|
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||
| /* ...and for the PCMCIA and sound. */ | ||
| #define IOC_IN (_IOC_WRITE << _IOC_DIRSHIFT) | ||
| #define IOC_OUT (_IOC_READ << _IOC_DIRSHIFT) | ||
| #define IOC_INOUT ((_IOC_WRITE|_IOC_READ) << _IOC_DIRSHIFT) | ||
| #define IOCSIZE_MASK (_IOC_XSIZEMASK << _IOC_SIZESHIFT) | ||
| #define IOCSIZE_SHIFT (_IOC_SIZESHIFT) | ||
|
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| #endif /* !(_SPARC64_IOCTL_H) */ | ||
| #include <asm-sparc/ioctl.h> |