#define _VX_CONTEXT_H
#include <linux/types.h>
+#include <linux/capability.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_VIRT_UPTIME 0x00020000
#define VXF_VIRT_CPU 0x00040000
#define VXF_VIRT_LOAD 0x00080000
+#define VXF_VIRT_TIME 0x00100000
#define VXF_HIDE_MOUNT 0x01000000
#define VXF_HIDE_NETIF 0x02000000
+#define VXF_HIDE_VINFO 0x04000000
#define VXF_STATE_SETUP (1ULL<<32)
#define VXF_STATE_INIT (1ULL<<33)
+#define VXF_STATE_ADMIN (1ULL<<34)
+
+#define VXF_SC_HELPER (1ULL<<36)
+#define VXF_REBOOT_KILL (1ULL<<37)
+#define VXF_PERSISTENT (1ULL<<38)
#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_ONE_TIME (0x0007ULL<<32)
+
+#define VXF_INIT_SET (VXF_STATE_SETUP|VXF_STATE_INIT|VXF_STATE_ADMIN)
+
+/* context migration */
+
+#define VXM_SET_INIT 0x00000001
+#define VXM_SET_REAPER 0x00000002
/* context caps */
-#define VXC_CAP_MASK 0x00000000
+#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
-
-
-/* vshelper sync commands */
-
-#define VS_CONTEXT_CREATED 1
-#define VS_CONTEXT_DESTROY 2
+#define VXC_ADMIN_MAPPER 0x00200000
+#define VXC_ADMIN_CLOOP 0x00400000
#ifdef __KERNEL__
#include "limit_def.h"
#include "sched_def.h"
#include "cvirt_def.h"
+#include "cacct_def.h"
+
+struct _vx_info_pc {
+ struct _vx_sched_pc sched_pc;
+ struct _vx_cvirt_pc cvirt_pc;
+};
struct vx_info {
struct hlist_node vx_hlist; /* linked list of contexts */
- struct rcu_head vx_rcu; /* the rcu head */
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 */
+ unsigned long vx_nsmask; /* assignment mask */
+ struct nsproxy *vx_nsproxy; /* 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) */
+ kernel_cap_t vx_cap_bset; /* the guest's bset */
- pid_t vx_initpid; /* PID of fake init process */
-
- spinlock_t vx_lock;
- wait_queue_head_t vx_exit; /* context exit waitqueue */
+ struct task_struct *vx_reaper; /* guest reaper process */
+ pid_t vx_initpid; /* PID of guest init */
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 */
+#ifndef CONFIG_SMP
+ struct _vx_info_pc info_pc; /* per cpu data */
+#else
+ struct _vx_info_pc *ptr_pc; /* per cpu array */
+#endif
+
+ wait_queue_head_t vx_wait; /* context exit waitqueue */
+ int reboot_cmd; /* last sys_reboot() cmd */
+ int exit_code; /* last process exit code */
+
char vx_name[65]; /* vserver name */
};
+#ifndef CONFIG_SMP
+#define vx_ptr_pc(vxi) (&(vxi)->info_pc)
+#define vx_per_cpu(vxi, v, id) vx_ptr_pc(vxi)->v
+#else
+#define vx_ptr_pc(vxi) ((vxi)->ptr_pc)
+#define vx_per_cpu(vxi, v, id) per_cpu_ptr(vx_ptr_pc(vxi), id)->v
+#endif
+
+#define vx_cpu(vxi, v) vx_per_cpu(vxi, v, smp_processor_id())
+
+
+struct vx_info_save {
+ struct vx_info *vxi;
+ xid_t xid;
+};
+
/* status flags */
#define VXS_HASHED 0x0001
#define VXS_PAUSED 0x0010
-#define VXS_ONHOLD 0x0020
#define VXS_SHUTDOWN 0x0100
-#define VXS_DEFUNCT 0x1000
+#define VXS_HELPER 0x1000
#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 struct vx_info *lookup_vx_info(int);
+extern struct vx_info *lookup_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_context_state(unsigned int);
+extern int vx_migrate_task(struct task_struct *, struct vx_info *, int);
-extern void free_vx_info(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 */