| /* atmapi.h - ATM API user space/kernel compatibility */ |
| /* Written 1999,2000 by Werner Almesberger, EPFL ICA */ |
| #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))) |
| * 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; |