9989f41fd3
- add arm64 dependent codes with GICv3 and SVE support - fix bugs based on architecture separation requests
42 lines
842 B
C
42 lines
842 B
C
/* shm.h COPYRIGHT FUJITSU LIMITED 2015-2016 */
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#ifndef __HEADER_ARM64_ARCH_SHM_H
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#define __HEADER_ARM64_ARCH_SHM_H
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#include <arch-memory.h>
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/* shmflg */
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#define SHM_HUGE_SHIFT 26
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#if FIRST_LEVEL_BLOCK_SUPPORT
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# define SHM_HUGE_FIRST_BLOCK (__PTL3_SHIFT << SHM_HUGE_SHIFT)
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#else
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# define SHM_HUGE_FIRST_BLOCK -1 /* not supported */
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#endif
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#define SHM_HUGE_SECOND_BLOCK (__PTL2_SHIFT << SHM_HUGE_SHIFT)
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struct ipc_perm {
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key_t key;
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uid_t uid;
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gid_t gid;
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uid_t cuid;
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gid_t cgid;
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uint16_t mode;
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uint8_t padding[2];
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uint16_t seq;
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uint8_t padding2[22];
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};
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struct shmid_ds {
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struct ipc_perm shm_perm;
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size_t shm_segsz;
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time_t shm_atime;
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time_t shm_dtime;
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time_t shm_ctime;
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pid_t shm_cpid;
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pid_t shm_lpid;
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uint64_t shm_nattch;
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uint8_t padding[12];
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int init_pgshift;
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};
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#endif /* __HEADER_ARM64_ARCH_SHM_H */
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