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_SCHED 0x00000002
15 #define VXF_INFO_NPROC 0x00000004
16 #define VXF_INFO_PRIVATE 0x00000008
18 #define VXF_INFO_INIT 0x00000010
19 #define VXF_INFO_HIDE 0x00000020
20 #define VXF_INFO_ULIMIT 0x00000040
21 #define VXF_INFO_NSPACE 0x00000080
23 #define VXF_SCHED_HARD 0x00000100
24 #define VXF_SCHED_PRIO 0x00000200
25 #define VXF_SCHED_PAUSE 0x00000400
26 #define VXF_SCHED_SHARE 0x00000800
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_SC_HELPER (1ULL<<36)
40 #define VXF_REBOOT_KILL (1ULL<<37)
41 #define VXF_PERSISTENT (1ULL<<38)
43 #define VXF_FORK_RSS (1ULL<<48)
44 #define VXF_PROLIFIC (1ULL<<49)
46 #define VXF_IGNEG_NICE (1ULL<<52)
48 #define VXF_ONE_TIME (0x0003ULL<<32)
50 #define VXF_INIT_SET (VXF_STATE_SETUP|VXF_STATE_INIT)
53 /* context migration */
55 #define VXM_SET_INIT 0x00000001
56 #define VXM_SET_REAPER 0x00000002
60 #define VXC_CAP_MASK 0x00000000
62 #define VXC_SET_UTSNAME 0x00000001
63 #define VXC_SET_RLIMIT 0x00000002
65 #define VXC_RAW_ICMP 0x00000100
66 #define VXC_SYSLOG 0x00001000
68 #define VXC_SECURE_MOUNT 0x00010000
69 #define VXC_SECURE_REMOUNT 0x00020000
70 #define VXC_BINARY_MOUNT 0x00040000
72 #define VXC_QUOTA_CTL 0x00100000
75 /* context state changes */
88 #include <linux/list.h>
89 #include <linux/spinlock.h>
90 #include <linux/rcupdate.h>
92 #include "limit_def.h"
93 #include "sched_def.h"
94 #include "cvirt_def.h"
97 struct hlist_node vx_hlist; /* linked list of contexts */
98 xid_t vx_id; /* context id */
99 atomic_t vx_usecnt; /* usage count */
100 atomic_t vx_tasks; /* tasks count */
101 struct vx_info *vx_parent; /* parent context */
102 int vx_state; /* context state */
104 struct namespace *vx_namespace; /* private namespace */
105 struct fs_struct *vx_fs; /* private namespace fs */
106 uint64_t vx_flags; /* context flags */
107 uint64_t vx_bcaps; /* bounding caps (system) */
108 uint64_t vx_ccaps; /* context caps (vserver) */
110 struct task_struct *vx_reaper; /* guest reaper process */
111 pid_t vx_initpid; /* PID of guest init */
113 struct _vx_limit limit; /* vserver limits */
114 struct _vx_sched sched; /* vserver scheduler */
115 struct _vx_cvirt cvirt; /* virtual/bias stuff */
116 struct _vx_cacct cacct; /* context accounting */
118 wait_queue_head_t vx_wait; /* context exit waitqueue */
119 int reboot_cmd; /* last sys_reboot() cmd */
120 int exit_code; /* last process exit code */
122 char vx_name[65]; /* vserver name */
126 struct vx_info_save {
134 #define VXS_HASHED 0x0001
135 #define VXS_PAUSED 0x0010
136 #define VXS_ONHOLD 0x0020
137 #define VXS_SHUTDOWN 0x0100
138 #define VXS_HELPER 0x1000
139 #define VXS_RELEASED 0x8000
141 /* check conditions */
143 #define VX_ADMIN 0x0001
144 #define VX_WATCH 0x0002
145 #define VX_HIDE 0x0004
146 #define VX_HOSTID 0x0008
148 #define VX_IDENT 0x0010
149 #define VX_EQUIV 0x0020
150 #define VX_PARENT 0x0040
151 #define VX_CHILD 0x0080
153 #define VX_ARG_MASK 0x00F0
155 #define VX_DYNAMIC 0x0100
156 #define VX_STATIC 0x0200
158 #define VX_ATR_MASK 0x0F00
161 extern void claim_vx_info(struct vx_info *, struct task_struct *);
162 extern void release_vx_info(struct vx_info *, struct task_struct *);
164 extern struct vx_info *lookup_vx_info(int);
165 extern struct vx_info *lookup_or_create_vx_info(int);
167 extern int get_xid_list(int, unsigned int *, int);
168 extern int xid_is_hashed(xid_t);
170 extern int vx_migrate_task(struct task_struct *, struct vx_info *);
172 extern long vs_state_change(struct vx_info *, unsigned int);
175 #endif /* __KERNEL__ */
176 #else /* _VX_CONTEXT_H */
177 #warning duplicate inclusion
178 #endif /* _VX_CONTEXT_H */