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
27 #define VXF_SCHED_SHARE 0x00000800
29 #define VXF_VIRT_MEM 0x00010000
30 #define VXF_VIRT_UPTIME 0x00020000
31 #define VXF_VIRT_CPU 0x00040000
32 #define VXF_VIRT_LOAD 0x00080000
34 #define VXF_HIDE_MOUNT 0x01000000
35 #define VXF_HIDE_NETIF 0x02000000
37 #define VXF_STATE_SETUP (1ULL<<32)
38 #define VXF_STATE_INIT (1ULL<<33)
40 #define VXF_SC_HELPER (1ULL<<36)
41 #define VXF_REBOOT_KILL (1ULL<<37)
42 #define VXF_PERSISTENT (1ULL<<38)
44 #define VXF_FORK_RSS (1ULL<<48)
45 #define VXF_PROLIFIC (1ULL<<49)
47 #define VXF_IGNEG_NICE (1ULL<<52)
49 #define VXF_ONE_TIME (0x0003ULL<<32)
51 #define VXF_INIT_SET (VXF_STATE_SETUP|VXF_STATE_INIT)
54 /* context migration */
56 #define VXM_SET_INIT 0x00000001
57 #define VXM_SET_REAPER 0x00000002
61 #define VXC_CAP_MASK 0x00000000
63 #define VXC_SET_UTSNAME 0x00000001
64 #define VXC_SET_RLIMIT 0x00000002
66 #define VXC_RAW_ICMP 0x00000100
67 #define VXC_SYSLOG 0x00001000
69 #define VXC_SECURE_MOUNT 0x00010000
70 #define VXC_SECURE_REMOUNT 0x00020000
71 #define VXC_BINARY_MOUNT 0x00040000
73 #define VXC_QUOTA_CTL 0x00100000
76 /* context state changes */
89 #include <linux/list.h>
90 #include <linux/spinlock.h>
91 #include <linux/rcupdate.h>
93 #include "limit_def.h"
94 #include "sched_def.h"
95 #include "cvirt_def.h"
98 struct hlist_node vx_hlist; /* linked list of contexts */
99 xid_t vx_id; /* context id */
100 atomic_t vx_usecnt; /* usage count */
101 atomic_t vx_tasks; /* tasks count */
102 struct vx_info *vx_parent; /* parent context */
103 int vx_state; /* context state */
105 struct namespace *vx_namespace; /* private namespace */
106 struct fs_struct *vx_fs; /* private namespace fs */
107 uint64_t vx_flags; /* context flags */
108 uint64_t vx_bcaps; /* bounding caps (system) */
109 uint64_t vx_ccaps; /* context caps (vserver) */
111 struct task_struct *vx_reaper; /* guest reaper process */
112 pid_t vx_initpid; /* PID of guest init */
114 struct _vx_limit limit; /* vserver limits */
115 struct _vx_sched sched; /* vserver scheduler */
116 struct _vx_cvirt cvirt; /* virtual/bias stuff */
117 struct _vx_cacct cacct; /* context accounting */
119 wait_queue_head_t vx_wait; /* context exit waitqueue */
120 int reboot_cmd; /* last sys_reboot() cmd */
121 int exit_code; /* last process exit code */
123 char vx_name[65]; /* vserver name */
129 #define VXS_HASHED 0x0001
130 #define VXS_PAUSED 0x0010
131 #define VXS_ONHOLD 0x0020
132 #define VXS_SHUTDOWN 0x0100
133 #define VXS_HELPER 0x1000
134 #define VXS_RELEASED 0x8000
136 /* check conditions */
138 #define VX_ADMIN 0x0001
139 #define VX_WATCH 0x0002
140 #define VX_HIDE 0x0004
141 #define VX_HOSTID 0x0008
143 #define VX_IDENT 0x0010
144 #define VX_EQUIV 0x0020
145 #define VX_PARENT 0x0040
146 #define VX_CHILD 0x0080
148 #define VX_ARG_MASK 0x00F0
150 #define VX_DYNAMIC 0x0100
151 #define VX_STATIC 0x0200
153 #define VX_ATR_MASK 0x0F00
156 extern void claim_vx_info(struct vx_info *, struct task_struct *);
157 extern void release_vx_info(struct vx_info *, struct task_struct *);
159 extern struct vx_info *lookup_vx_info(int);
160 extern struct vx_info *lookup_or_create_vx_info(int);
162 extern int get_xid_list(int, unsigned int *, int);
163 extern int xid_is_hashed(xid_t);
165 extern int vx_migrate_task(struct task_struct *, struct vx_info *);
167 extern long vs_state_change(struct vx_info *, unsigned int);
170 #endif /* __KERNEL__ */
171 #else /* _VX_CONTEXT_H */
172 #warning duplicate inclusion
173 #endif /* _VX_CONTEXT_H */