| /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ | |
| /* atmapi.h - ATM API user space/kernel compatibility */ | |
| /* Written 1999,2000 by Werner Almesberger, EPFL ICA */ | |
| #ifndef _LINUX_ATMAPI_H | |
| #define _LINUX_ATMAPI_H | |
| #if defined(__sparc__) || defined(__ia64__) | |
| /* such alignment is not required on 32 bit sparcs, but we can't | |
| figure that we are on a sparc64 while compiling user-space programs. */ | |
| #define __ATM_API_ALIGN __attribute__((aligned(8))) | |
| #else | |
| #define __ATM_API_ALIGN | |
| #endif | |
| /* | |
| * Opaque type for kernel pointers. Note that _ is never accessed. We need | |
| * the struct in order hide the array, so that we can make simple assignments | |
| * instead of being forced to use memcpy. It also improves error reporting for | |
| * code that still assumes that we're passing unsigned longs. | |
| * | |
| * Convention: NULL pointers are passed as a field of all zeroes. | |
| */ | |
| typedef struct { unsigned char _[8]; } __ATM_API_ALIGN atm_kptr_t; | |
| #endif |