Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) #ifndef __ASM_GENERIC_SHMBUF_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3) #define __ASM_GENERIC_SHMBUF_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5) #include <asm/bitsperlong.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8)  * The shmid64_ds structure for x86 architecture.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9)  * Note extra padding because this structure is passed back and forth
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10)  * between kernel and user space.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12)  * shmid64_ds was originally meant to be architecture specific, but
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13)  * everyone just ended up making identical copies without specific
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14)  * optimizations, so we may just as well all use the same one.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16)  * 64 bit architectures use a 64-bit long time field here, while
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17)  * 32 bit architectures have a pair of unsigned long values.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18)  * On big-endian systems, the lower half is in the wrong place.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21)  * Pad space is left for:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22)  * - 2 miscellaneous 32-bit values
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) struct shmid64_ds {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) 	struct ipc64_perm	shm_perm;	/* operation perms */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) 	size_t			shm_segsz;	/* size of segment (bytes) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) #if __BITS_PER_LONG == 64
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) 	long			shm_atime;	/* last attach time */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) 	long			shm_dtime;	/* last detach time */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) 	long			shm_ctime;	/* last change time */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) #else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) 	unsigned long		shm_atime;	/* last attach time */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) 	unsigned long		shm_atime_high;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) 	unsigned long		shm_dtime;	/* last detach time */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) 	unsigned long		shm_dtime_high;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) 	unsigned long		shm_ctime;	/* last change time */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) 	unsigned long		shm_ctime_high;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) 	__kernel_pid_t		shm_cpid;	/* pid of creator */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) 	__kernel_pid_t		shm_lpid;	/* pid of last operator */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) 	unsigned long		shm_nattch;	/* no. of current attaches */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) 	unsigned long		__unused4;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) 	unsigned long		__unused5;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) struct shminfo64 {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) 	unsigned long		shmmax;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) 	unsigned long		shmmin;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) 	unsigned long		shmmni;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) 	unsigned long		shmseg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) 	unsigned long		shmall;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) 	unsigned long		__unused1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) 	unsigned long		__unused2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) 	unsigned long		__unused3;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) 	unsigned long		__unused4;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) #endif /* __ASM_GENERIC_SHMBUF_H */