4 #include <linux/types.h>
7 #define MAX_S_CONTEXT 65535 /* Arbitrary limit */
8 #define MIN_D_CONTEXT 49152 /* dynamic contexts start here */
10 #define VX_DYNAMIC_ID ((uint32_t)-1) /* id for dynamic context */
14 #define VXF_INFO_LOCK 0x00000001
15 #define VXF_INFO_SCHED 0x00000002
16 #define VXF_INFO_NPROC 0x00000004
17 #define VXF_INFO_PRIVATE 0x00000008
19 #define VXF_INFO_INIT 0x00000010
20 #define VXF_INFO_HIDE 0x00000020
21 #define VXF_INFO_ULIMIT 0x00000040
22 #define VXF_INFO_NSPACE 0x00000080
24 #define VXF_SCHED_HARD 0x00000100
25 #define VXF_SCHED_PRIO 0x00000200
26 #define VXF_SCHED_PAUSE 0x00000400
28 #define VXF_VIRT_MEM 0x00010000
29 #define VXF_VIRT_UPTIME 0x00020000
30 #define VXF_VIRT_CPU 0x00040000
31 #define VXF_VIRT_LOAD 0x00080000
33 #define VXF_HIDE_MOUNT 0x01000000
34 #define VXF_HIDE_NETIF 0x02000000
36 #define VXF_STATE_SETUP (1ULL<<32)
37 #define VXF_STATE_INIT (1ULL<<33)
39 #define VXF_FORK_RSS (1ULL<<48)
40 #define VXF_PROLIFIC (1ULL<<49)
42 #define VXF_IGNEG_NICE (1ULL<<52)
44 #define VXF_ONE_TIME (0x0003ULL<<32)
49 #define VXC_CAP_MASK 0x00000000
51 #define VXC_SET_UTSNAME 0x00000001
52 #define VXC_SET_RLIMIT 0x00000002
54 #define VXC_RAW_ICMP 0x00000100
55 #define VXC_SYSLOG 0x00001000
57 #define VXC_SECURE_MOUNT 0x00010000
58 #define VXC_SECURE_REMOUNT 0x00020000
59 #define VXC_BINARY_MOUNT 0x00040000
61 #define VXC_QUOTA_CTL 0x00100000
64 /* context state changes */
74 #include <linux/list.h>
75 #include <linux/spinlock.h>
76 #include <linux/rcupdate.h>
78 #include "limit_def.h"
79 #include "sched_def.h"
80 #include "cvirt_def.h"
83 struct hlist_node vx_hlist; /* linked list of contexts */
84 struct rcu_head vx_rcu; /* the rcu head */
85 xid_t vx_id; /* context id */
86 atomic_t vx_usecnt; /* usage count */
87 atomic_t vx_tasks; /* tasks count */
88 struct vx_info *vx_parent; /* parent context */
89 int vx_state; /* context state */
91 struct namespace *vx_namespace; /* private namespace */
92 struct fs_struct *vx_fs; /* private namespace fs */
93 uint64_t vx_flags; /* context flags */
94 uint64_t vx_bcaps; /* bounding caps (system) */
95 uint64_t vx_ccaps; /* context caps (vserver) */
97 pid_t vx_initpid; /* PID of fake init process */
100 wait_queue_head_t vx_wait; /* context exit waitqueue */
102 struct _vx_limit limit; /* vserver limits */
103 struct _vx_sched sched; /* vserver scheduler */
104 struct _vx_cvirt cvirt; /* virtual/bias stuff */
105 struct _vx_cacct cacct; /* context accounting */
107 char vx_name[65]; /* vserver name */
113 #define VXS_HASHED 0x0001
114 #define VXS_PAUSED 0x0010
115 #define VXS_ONHOLD 0x0020
116 #define VXS_SHUTDOWN 0x0100
117 #define VXS_DEFUNCT 0x1000
118 #define VXS_RELEASED 0x8000
120 /* check conditions */
122 #define VX_ADMIN 0x0001
123 #define VX_WATCH 0x0002
124 #define VX_HIDE 0x0004
125 #define VX_HOSTID 0x0008
127 #define VX_IDENT 0x0010
128 #define VX_EQUIV 0x0020
129 #define VX_PARENT 0x0040
130 #define VX_CHILD 0x0080
132 #define VX_ARG_MASK 0x00F0
134 #define VX_DYNAMIC 0x0100
135 #define VX_STATIC 0x0200
137 #define VX_ATR_MASK 0x0F00
140 extern void claim_vx_info(struct vx_info *, struct task_struct *);
141 extern void release_vx_info(struct vx_info *, struct task_struct *);
143 extern struct vx_info *locate_vx_info(int);
144 extern struct vx_info *locate_or_create_vx_info(int);
146 extern int get_xid_list(int, unsigned int *, int);
147 extern int xid_is_hashed(xid_t);
149 extern int vx_migrate_task(struct task_struct *, struct vx_info *);
151 extern long vs_state_change(struct vx_info *, unsigned int);
153 extern void free_vx_info(struct vx_info *);
156 #endif /* __KERNEL__ */
157 #else /* _VX_CONTEXT_H */
158 #warning duplicate inclusion
159 #endif /* _VX_CONTEXT_H */