diff options
Diffstat (limited to 'arch/sparc/include/asm/ioctl.h')
| -rw-r--r-- | arch/sparc/include/asm/ioctl.h | 67 | 
1 files changed, 0 insertions, 67 deletions
diff --git a/arch/sparc/include/asm/ioctl.h b/arch/sparc/include/asm/ioctl.h deleted file mode 100644 index 7d6bd51321b..00000000000 --- a/arch/sparc/include/asm/ioctl.h +++ /dev/null @@ -1,67 +0,0 @@ -#ifndef _SPARC_IOCTL_H -#define _SPARC_IOCTL_H - -/* - * 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) - */ - -#define _IOC_NRBITS      8 -#define _IOC_TYPEBITS    8 -#define _IOC_SIZEBITS   13	/* Actually 14, see below. */ -#define _IOC_DIRBITS     3 - -#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) - -#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) - -#define _IOC_NONE        1U -#define _IOC_READ        2U -#define _IOC_WRITE       4U - -#define _IOC(dir,type,nr,size) \ -        (((dir)  << _IOC_DIRSHIFT) | \ -         ((type) << _IOC_TYPESHIFT) | \ -         ((nr)   << _IOC_NRSHIFT) | \ -         ((size) << _IOC_SIZESHIFT)) - -#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)) - -/* 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)) - -/* ...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) - -#endif /* !(_SPARC_IOCTL_H) */  | 
