~ [ source navigation ] ~ [ diff markup ] ~ [ identifier search ] ~

TOMOYO Linux Cross Reference
Linux/include/uapi/asm-generic/ioctl.h

Version: ~ [ linux-6.0-rc6 ] ~ [ linux-5.19.10 ] ~ [ linux-5.18.19 ] ~ [ linux-5.17.15 ] ~ [ linux-5.16.20 ] ~ [ linux-5.15.69 ] ~ [ linux-5.14.21 ] ~ [ linux-5.13.19 ] ~ [ linux-5.12.19 ] ~ [ linux-5.11.22 ] ~ [ linux-5.10.144 ] ~ [ linux-5.9.16 ] ~ [ linux-5.8.18 ] ~ [ linux-5.7.19 ] ~ [ linux-5.6.19 ] ~ [ linux-5.5.19 ] ~ [ linux-5.4.214 ] ~ [ linux-5.3.18 ] ~ [ linux-5.2.21 ] ~ [ linux-5.1.21 ] ~ [ linux-5.0.21 ] ~ [ linux-4.20.17 ] ~ [ linux-4.19.259 ] ~ [ linux-4.18.20 ] ~ [ linux-4.17.19 ] ~ [ linux-4.16.18 ] ~ [ linux-4.15.18 ] ~ [ linux-4.14.294 ] ~ [ linux-4.13.16 ] ~ [ linux-4.12.14 ] ~ [ linux-4.11.12 ] ~ [ linux-4.10.17 ] ~ [ linux-4.9.329 ] ~ [ linux-4.8.17 ] ~ [ linux-4.7.10 ] ~ [ linux-4.6.7 ] ~ [ linux-4.5.7 ] ~ [ linux-4.4.302 ] ~ [ linux-4.3.6 ] ~ [ linux-4.2.8 ] ~ [ linux-4.1.52 ] ~ [ linux-4.0.9 ] ~ [ linux-3.10.108 ] ~ [ linux-2.6.32.71 ] ~ [ linux-2.6.0 ] ~ [ linux-2.4.37.11 ] ~ [ unix-v6-master ] ~ [ ccs-tools-1.8.9 ] ~ [ policy-sample ] ~
Architecture: ~ [ i386 ] ~ [ alpha ] ~ [ m68k ] ~ [ mips ] ~ [ ppc ] ~ [ sparc ] ~ [ sparc64 ] ~

Diff markup

Differences between /include/uapi/asm-generic/ioctl.h (Version linux-4.4.302) and /include/uapi/asm-generic/ioctl.h (Version linux-5.19.1)


** Warning: Cannot open xref database.

  1 #ifndef _UAPI_ASM_GENERIC_IOCTL_H                   1 
  2 #define _UAPI_ASM_GENERIC_IOCTL_H                 
  3                                                   
  4 /* ioctl command encoding: 32 bits total, comm    
  5  * size of the parameter structure in the lowe    
  6  * upper 16 bits.                                 
  7  * Encoding the size of the parameter structur    
  8  * is useful for catching programs compiled wi    
  9  * and to avoid overwriting user space outside    
 10  * The highest 2 bits are reserved for indicat    
 11  * NOTE: This limits the max parameter size to    
 12  */                                               
 13                                                   
 14 /*                                                
 15  * The following is for compatibility across t    
 16  * platforms.  The generic ioctl numbering sch    
 17  * a type field.  De facto, however, the top 8    
 18  * bits are indeed used as a type field, so we    
 19  * this explicit here.  Please be sure to use     
 20  * below from now on.                             
 21  */                                               
 22 #define _IOC_NRBITS     8                         
 23 #define _IOC_TYPEBITS   8                         
 24                                                   
 25 /*                                                
 26  * Let any architecture override either of the    
 27  * including this file.                           
 28  */                                               
 29                                                   
 30 #ifndef _IOC_SIZEBITS                             
 31 # define _IOC_SIZEBITS  14                        
 32 #endif                                            
 33                                                   
 34 #ifndef _IOC_DIRBITS                              
 35 # define _IOC_DIRBITS   2                         
 36 #endif                                            
 37                                                   
 38 #define _IOC_NRMASK     ((1 << _IOC_NRBITS)-1)    
 39 #define _IOC_TYPEMASK   ((1 << _IOC_TYPEBITS)-    
 40 #define _IOC_SIZEMASK   ((1 << _IOC_SIZEBITS)-    
 41 #define _IOC_DIRMASK    ((1 << _IOC_DIRBITS)-1    
 42                                                   
 43 #define _IOC_NRSHIFT    0                         
 44 #define _IOC_TYPESHIFT  (_IOC_NRSHIFT+_IOC_NRB    
 45 #define _IOC_SIZESHIFT  (_IOC_TYPESHIFT+_IOC_T    
 46 #define _IOC_DIRSHIFT   (_IOC_SIZESHIFT+_IOC_S    
 47                                                   
 48 /*                                                
 49  * Direction bits, which any architecture can     
 50  * before including this file.                    
 51  */                                               
 52                                                   
 53 #ifndef _IOC_NONE                                 
 54 # define _IOC_NONE      0U                        
 55 #endif                                            
 56                                                   
 57 #ifndef _IOC_WRITE                                
 58 # define _IOC_WRITE     1U                        
 59 #endif                                            
 60                                                   
 61 #ifndef _IOC_READ                                 
 62 # define _IOC_READ      2U                        
 63 #endif                                            
 64                                                   
 65 #define _IOC(dir,type,nr,size) \                  
 66         (((dir)  << _IOC_DIRSHIFT) | \            
 67          ((type) << _IOC_TYPESHIFT) | \           
 68          ((nr)   << _IOC_NRSHIFT) | \             
 69          ((size) << _IOC_SIZESHIFT))              
 70                                                   
 71 #ifndef __KERNEL__                                
 72 #define _IOC_TYPECHECK(t) (sizeof(t))             
 73 #endif                                            
 74                                                   
 75 /* used to create numbers */                      
 76 #define _IO(type,nr)            _IOC(_IOC_NONE    
 77 #define _IOR(type,nr,size)      _IOC(_IOC_READ    
 78 #define _IOW(type,nr,size)      _IOC(_IOC_WRIT    
 79 #define _IOWR(type,nr,size)     _IOC(_IOC_READ    
 80 #define _IOR_BAD(type,nr,size)  _IOC(_IOC_READ    
 81 #define _IOW_BAD(type,nr,size)  _IOC(_IOC_WRIT    
 82 #define _IOWR_BAD(type,nr,size) _IOC(_IOC_READ    
 83                                                   
 84 /* used to decode ioctl numbers.. */              
 85 #define _IOC_DIR(nr)            (((nr) >> _IOC    
 86 #define _IOC_TYPE(nr)           (((nr) >> _IOC    
 87 #define _IOC_NR(nr)             (((nr) >> _IOC    
 88 #define _IOC_SIZE(nr)           (((nr) >> _IOC    
 89                                                   
 90 /* ...and for the drivers/sound files... */       
 91                                                   
 92 #define IOC_IN          (_IOC_WRITE << _IOC_DI    
 93 #define IOC_OUT         (_IOC_READ << _IOC_DIR    
 94 #define IOC_INOUT       ((_IOC_WRITE|_IOC_READ    
 95 #define IOCSIZE_MASK    (_IOC_SIZEMASK << _IOC    
 96 #define IOCSIZE_SHIFT   (_IOC_SIZESHIFT)          
 97                                                   
 98 #endif /* _UAPI_ASM_GENERIC_IOCTL_H */            
 99                                                   

~ [ source navigation ] ~ [ diff markup ] ~ [ identifier search ] ~

kernel.org | git.kernel.org | LWN.net | Project Home | Wiki (Japanese) | Wiki (English) | SVN repository | Mail admin

Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.

osdn.jp