1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */ 2*4882a593Smuzhiyun #ifndef _LINUX_IPC_H 3*4882a593Smuzhiyun #define _LINUX_IPC_H 4*4882a593Smuzhiyun 5*4882a593Smuzhiyun #include <linux/spinlock.h> 6*4882a593Smuzhiyun #include <linux/uidgid.h> 7*4882a593Smuzhiyun #include <linux/rhashtable-types.h> 8*4882a593Smuzhiyun #include <uapi/linux/ipc.h> 9*4882a593Smuzhiyun #include <linux/refcount.h> 10*4882a593Smuzhiyun 11*4882a593Smuzhiyun /* used by in-kernel data structures */ 12*4882a593Smuzhiyun struct kern_ipc_perm { 13*4882a593Smuzhiyun spinlock_t lock; 14*4882a593Smuzhiyun bool deleted; 15*4882a593Smuzhiyun int id; 16*4882a593Smuzhiyun key_t key; 17*4882a593Smuzhiyun kuid_t uid; 18*4882a593Smuzhiyun kgid_t gid; 19*4882a593Smuzhiyun kuid_t cuid; 20*4882a593Smuzhiyun kgid_t cgid; 21*4882a593Smuzhiyun umode_t mode; 22*4882a593Smuzhiyun unsigned long seq; 23*4882a593Smuzhiyun void *security; 24*4882a593Smuzhiyun 25*4882a593Smuzhiyun struct rhash_head khtnode; 26*4882a593Smuzhiyun 27*4882a593Smuzhiyun struct rcu_head rcu; 28*4882a593Smuzhiyun refcount_t refcount; 29*4882a593Smuzhiyun } ____cacheline_aligned_in_smp __randomize_layout; 30*4882a593Smuzhiyun 31*4882a593Smuzhiyun #endif /* _LINUX_IPC_H */ 32