diff options
| -rw-r--r-- | include/asm-parisc/ioctl.h | 51 |
1 files changed, 1 insertions, 50 deletions
diff --git a/include/asm-parisc/ioctl.h b/include/asm-parisc/ioctl.h index 68338d2bda4e..ec8efa02beda 100644 --- a/include/asm-parisc/ioctl.h +++ b/include/asm-parisc/ioctl.h | |||
| @@ -32,21 +32,6 @@ | |||
| 32 | * NOTE: This limits the max parameter size to 16kB -1 ! | 32 | * NOTE: This limits the max parameter size to 16kB -1 ! |
| 33 | */ | 33 | */ |
| 34 | 34 | ||
| 35 | #define _IOC_NRBITS 8 | ||
| 36 | #define _IOC_TYPEBITS 8 | ||
| 37 | #define _IOC_SIZEBITS 14 | ||
| 38 | #define _IOC_DIRBITS 2 | ||
| 39 | |||
| 40 | #define _IOC_NRMASK ((1 << _IOC_NRBITS)-1) | ||
| 41 | #define _IOC_TYPEMASK ((1 << _IOC_TYPEBITS)-1) | ||
| 42 | #define _IOC_SIZEMASK ((1 << _IOC_SIZEBITS)-1) | ||
| 43 | #define _IOC_DIRMASK ((1 << _IOC_DIRBITS)-1) | ||
| 44 | |||
| 45 | #define _IOC_NRSHIFT 0 | ||
| 46 | #define _IOC_TYPESHIFT (_IOC_NRSHIFT+_IOC_NRBITS) | ||
| 47 | #define _IOC_SIZESHIFT (_IOC_TYPESHIFT+_IOC_TYPEBITS) | ||
| 48 | #define _IOC_DIRSHIFT (_IOC_SIZESHIFT+_IOC_SIZEBITS) | ||
| 49 | |||
| 50 | /* | 35 | /* |
| 51 | * Direction bits. | 36 | * Direction bits. |
| 52 | */ | 37 | */ |
| @@ -54,40 +39,6 @@ | |||
| 54 | #define _IOC_WRITE 2U | 39 | #define _IOC_WRITE 2U |
| 55 | #define _IOC_READ 1U | 40 | #define _IOC_READ 1U |
| 56 | 41 | ||
| 57 | #define _IOC(dir,type,nr,size) \ | 42 | #include <asm-generic/ioctl.h> |
| 58 | (((dir) << _IOC_DIRSHIFT) | \ | ||
| 59 | ((type) << _IOC_TYPESHIFT) | \ | ||
| 60 | ((nr) << _IOC_NRSHIFT) | \ | ||
| 61 | ((size) << _IOC_SIZESHIFT)) | ||
| 62 | |||
| 63 | /* provoke compile error for invalid uses of size argument */ | ||
| 64 | extern unsigned int __invalid_size_argument_for_IOC; | ||
| 65 | #define _IOC_TYPECHECK(t) \ | ||
| 66 | ((sizeof(t) == sizeof(t[1]) && \ | ||
| 67 | sizeof(t) < (1 << _IOC_SIZEBITS)) ? \ | ||
| 68 | sizeof(t) : __invalid_size_argument_for_IOC) | ||
| 69 | |||
| 70 | /* used to create numbers */ | ||
| 71 | #define _IO(type,nr) _IOC(_IOC_NONE,(type),(nr),0) | ||
| 72 | #define _IOR(type,nr,size) _IOC(_IOC_READ,(type),(nr),(_IOC_TYPECHECK(size))) | ||
| 73 | #define _IOW(type,nr,size) _IOC(_IOC_WRITE,(type),(nr),(_IOC_TYPECHECK(size))) | ||
| 74 | #define _IOWR(type,nr,size) _IOC(_IOC_READ|_IOC_WRITE,(type),(nr),(_IOC_TYPECHECK(size))) | ||
| 75 | #define _IOR_BAD(type,nr,size) _IOC(_IOC_READ,(type),(nr),sizeof(size)) | ||
| 76 | #define _IOW_BAD(type,nr,size) _IOC(_IOC_WRITE,(type),(nr),sizeof(size)) | ||
| 77 | #define _IOWR_BAD(type,nr,size) _IOC(_IOC_READ|_IOC_WRITE,(type),(nr),sizeof(size)) | ||
| 78 | |||
| 79 | /* used to decode ioctl numbers.. */ | ||
| 80 | #define _IOC_DIR(nr) (((nr) >> _IOC_DIRSHIFT) & _IOC_DIRMASK) | ||
| 81 | #define _IOC_TYPE(nr) (((nr) >> _IOC_TYPESHIFT) & _IOC_TYPEMASK) | ||
| 82 | #define _IOC_NR(nr) (((nr) >> _IOC_NRSHIFT) & _IOC_NRMASK) | ||
| 83 | #define _IOC_SIZE(nr) (((nr) >> _IOC_SIZESHIFT) & _IOC_SIZEMASK) | ||
| 84 | |||
| 85 | /* ...and for the drivers/sound files... */ | ||
| 86 | |||
| 87 | #define IOC_IN (_IOC_WRITE << _IOC_DIRSHIFT) | ||
| 88 | #define IOC_OUT (_IOC_READ << _IOC_DIRSHIFT) | ||
| 89 | #define IOC_INOUT ((_IOC_WRITE|_IOC_READ) << _IOC_DIRSHIFT) | ||
| 90 | #define IOCSIZE_MASK (_IOC_SIZEMASK << _IOC_SIZESHIFT) | ||
| 91 | #define IOCSIZE_SHIFT (_IOC_SIZESHIFT) | ||
| 92 | 43 | ||
| 93 | #endif /* _ASM_PARISC_IOCTL_H */ | 44 | #endif /* _ASM_PARISC_IOCTL_H */ |
