diff options
Diffstat (limited to 'include/asm-parisc/ioctl.h')
-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 */ |