| Brian Gerst | af4cd3f | 2006-01-09 20:52:18 -0800 | [diff] [blame] | 1 | #ifndef _ASM_GENERIC_IOCTL_H |
| 2 | #define _ASM_GENERIC_IOCTL_H |
| 3 | |
| David Howells | 8a1ab31 | 2012-10-04 18:20:15 +0100 | [diff] [blame^] | 4 | #include <uapi/asm-generic/ioctl.h> |
| Brian Gerst | af4cd3f | 2006-01-09 20:52:18 -0800 | [diff] [blame] | 5 | |
| Brian Gerst | af4cd3f | 2006-01-09 20:52:18 -0800 | [diff] [blame] | 6 | /* provoke compile error for invalid uses of size argument */ |
| 7 | extern unsigned int __invalid_size_argument_for_IOC; |
| 8 | #define _IOC_TYPECHECK(t) \ |
| 9 | ((sizeof(t) == sizeof(t[1]) && \ |
| 10 | sizeof(t) < (1 << _IOC_SIZEBITS)) ? \ |
| 11 | sizeof(t) : __invalid_size_argument_for_IOC) |
| Brian Gerst | af4cd3f | 2006-01-09 20:52:18 -0800 | [diff] [blame] | 12 | #endif /* _ASM_GENERIC_IOCTL_H */ |