MOXA linux-2.6.x / linux-2.6.19-uc1 from UC-7110-LX-BOOTLOADER-1.9_VERSION-4.2.tgz
[linux-2.6.19-moxart.git] / include / linux / atmapi.h
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1 /* atmapi.h - ATM API user space/kernel compatibility */
3 /* Written 1999,2000 by Werner Almesberger, EPFL ICA */
6 #ifndef _LINUX_ATMAPI_H
7 #define _LINUX_ATMAPI_H
9 #if defined(__sparc__) || defined(__ia64__)
10 /* such alignment is not required on 32 bit sparcs, but we can't
11 figure that we are on a sparc64 while compiling user-space programs. */
12 #define __ATM_API_ALIGN __attribute__((aligned(8)))
13 #else
14 #define __ATM_API_ALIGN
15 #endif
19 * Opaque type for kernel pointers. Note that _ is never accessed. We need
20 * the struct in order hide the array, so that we can make simple assignments
21 * instead of being forced to use memcpy. It also improves error reporting for
22 * code that still assumes that we're passing unsigned longs.
24 * Convention: NULL pointers are passed as a field of all zeroes.
27 typedef struct { unsigned char _[8]; } __ATM_API_ALIGN atm_kptr_t;
29 #endif