--- /dev/null
+#ifndef _VX_CONTEXT_H
+#define _VX_CONTEXT_H
+
+#include <linux/types.h>
+
+
+#define MAX_S_CONTEXT 65535 /* Arbitrary limit */
+#define MIN_D_CONTEXT 49152 /* dynamic contexts start here */
+
+#define VX_DYNAMIC_ID ((uint32_t)-1) /* id for dynamic context */
+
+/* context flags */
+
+#define VXF_INFO_LOCK 0x00000001
+#define VXF_INFO_SCHED 0x00000002
+#define VXF_INFO_NPROC 0x00000004
+#define VXF_INFO_PRIVATE 0x00000008
+
+#define VXF_INFO_INIT 0x00000010
+#define VXF_INFO_HIDE 0x00000020
+#define VXF_INFO_ULIMIT 0x00000040
+#define VXF_INFO_NSPACE 0x00000080
+
+#define VXF_SCHED_HARD 0x00000100
+#define VXF_SCHED_PRIO 0x00000200
+#define VXF_SCHED_PAUSE 0x00000400
+
+#define VXF_VIRT_MEM 0x00010000
+#define VXF_VIRT_UPTIME 0x00020000
+#define VXF_VIRT_CPU 0x00040000
+#define VXF_VIRT_LOAD 0x00080000
+
+#define VXF_HIDE_MOUNT 0x01000000
+#define VXF_HIDE_NETIF 0x02000000
+
+#define VXF_STATE_SETUP (1ULL<<32)
+#define VXF_STATE_INIT (1ULL<<33)
+
+#define VXF_STATE_HELPER (1ULL<<36)
+
+#define VXF_FORK_RSS (1ULL<<48)
+#define VXF_PROLIFIC (1ULL<<49)
+
+#define VXF_IGNEG_NICE (1ULL<<52)
+
+#define VXF_ONE_TIME (0x0003ULL<<32)
+
+#define VXF_INIT_SET (VXF_STATE_SETUP|VXF_STATE_INIT)
+
+
+/* context caps */
+
+#define VXC_CAP_MASK 0x00000000
+
+#define VXC_SET_UTSNAME 0x00000001
+#define VXC_SET_RLIMIT 0x00000002
+
+#define VXC_RAW_ICMP 0x00000100
+#define VXC_SYSLOG 0x00001000
+
+#define VXC_SECURE_MOUNT 0x00010000
+#define VXC_SECURE_REMOUNT 0x00020000
+#define VXC_BINARY_MOUNT 0x00040000
+
+#define VXC_QUOTA_CTL 0x00100000
+
+
+/* context state changes */
+
+enum {
+ VSC_STARTUP = 1,
+ VSC_SHUTDOWN,
+
+ VSC_NETUP,
+ VSC_NETDOWN,
+};
+
+
+#ifdef __KERNEL__
+
+#include <linux/list.h>
+#include <linux/spinlock.h>
+#include <linux/rcupdate.h>
+
+#include "limit_def.h"
+#include "sched_def.h"
+#include "cvirt_def.h"
+
+struct vx_info {
+ struct hlist_node vx_hlist; /* linked list of contexts */
+ xid_t vx_id; /* context id */
+ atomic_t vx_usecnt; /* usage count */
+ atomic_t vx_tasks; /* tasks count */
+ struct vx_info *vx_parent; /* parent context */
+ int vx_state; /* context state */
+
+ struct namespace *vx_namespace; /* private namespace */
+ struct fs_struct *vx_fs; /* private namespace fs */
+ uint64_t vx_flags; /* context flags */
+ uint64_t vx_bcaps; /* bounding caps (system) */
+ uint64_t vx_ccaps; /* context caps (vserver) */
+
+ pid_t vx_initpid; /* PID of fake init process */
+
+ wait_queue_head_t vx_wait; /* context exit waitqueue */
+
+ struct _vx_limit limit; /* vserver limits */
+ struct _vx_sched sched; /* vserver scheduler */
+ struct _vx_cvirt cvirt; /* virtual/bias stuff */
+ struct _vx_cacct cacct; /* context accounting */
+
+ char vx_name[65]; /* vserver name */
+};
+
+
+/* status flags */
+
+#define VXS_HASHED 0x0001
+#define VXS_PAUSED 0x0010
+#define VXS_ONHOLD 0x0020
+#define VXS_SHUTDOWN 0x0100
+#define VXS_RELEASED 0x8000
+
+/* check conditions */
+
+#define VX_ADMIN 0x0001
+#define VX_WATCH 0x0002
+#define VX_HIDE 0x0004
+#define VX_HOSTID 0x0008
+
+#define VX_IDENT 0x0010
+#define VX_EQUIV 0x0020
+#define VX_PARENT 0x0040
+#define VX_CHILD 0x0080
+
+#define VX_ARG_MASK 0x00F0
+
+#define VX_DYNAMIC 0x0100
+#define VX_STATIC 0x0200
+
+#define VX_ATR_MASK 0x0F00
+
+
+extern void claim_vx_info(struct vx_info *, struct task_struct *);
+extern void release_vx_info(struct vx_info *, struct task_struct *);
+
+extern struct vx_info *locate_vx_info(int);
+extern struct vx_info *locate_or_create_vx_info(int);
+
+extern int get_xid_list(int, unsigned int *, int);
+extern int xid_is_hashed(xid_t);
+
+extern int vx_migrate_task(struct task_struct *, struct vx_info *);
+
+extern long vs_state_change(struct vx_info *, unsigned int);
+
+
+#endif /* __KERNEL__ */
+#else /* _VX_CONTEXT_H */
+#warning duplicate inclusion
+#endif /* _VX_CONTEXT_H */
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