4 #include <linux/types.h>
5 //#include <linux/capability.h>
8 #define MAX_S_CONTEXT 65535 /* Arbitrary limit */
10 #ifdef CONFIG_VSERVER_DYNAMIC_IDS
11 #define MIN_D_CONTEXT 49152 /* dynamic contexts start here */
13 #define MIN_D_CONTEXT 65536
16 #define VX_DYNAMIC_ID ((uint32_t)-1) /* id for dynamic context */
20 #define VXF_INFO_LOCK 0x00000001
21 #define VXF_INFO_SCHED 0x00000002
22 #define VXF_INFO_NPROC 0x00000004
23 #define VXF_INFO_PRIVATE 0x00000008
25 #define VXF_INFO_INIT 0x00000010
26 #define VXF_INFO_HIDE 0x00000020
27 #define VXF_INFO_ULIMIT 0x00000040
28 #define VXF_INFO_NSPACE 0x00000080
30 #define VXF_SCHED_HARD 0x00000100
31 #define VXF_SCHED_PRIO 0x00000200
32 #define VXF_SCHED_PAUSE 0x00000400
34 #define VXF_VIRT_MEM 0x00010000
35 #define VXF_VIRT_UPTIME 0x00020000
36 #define VXF_VIRT_CPU 0x00040000
37 #define VXF_VIRT_LOAD 0x00080000
38 #define VXF_VIRT_TIME 0x00100000
40 #define VXF_HIDE_MOUNT 0x01000000
41 #define VXF_HIDE_NETIF 0x02000000
42 #define VXF_HIDE_VINFO 0x04000000
44 #define VXF_STATE_SETUP (1ULL<<32)
45 #define VXF_STATE_INIT (1ULL<<33)
46 #define VXF_STATE_ADMIN (1ULL<<34)
48 #define VXF_SC_HELPER (1ULL<<36)
49 #define VXF_REBOOT_KILL (1ULL<<37)
50 #define VXF_PERSISTENT (1ULL<<38)
52 #define VXF_FORK_RSS (1ULL<<48)
53 #define VXF_PROLIFIC (1ULL<<49)
55 #define VXF_IGNEG_NICE (1ULL<<52)
57 #define VXF_ONE_TIME (0x0007ULL<<32)
59 #define VXF_INIT_SET (VXF_STATE_SETUP|VXF_STATE_INIT|VXF_STATE_ADMIN)
62 /* context migration */
64 #define VXM_SET_INIT 0x00000001
65 #define VXM_SET_REAPER 0x00000002
69 #define VXC_CAP_MASK 0x00000000
71 #define VXC_SET_UTSNAME 0x00000001
72 #define VXC_SET_RLIMIT 0x00000002
74 #define VXC_RAW_ICMP 0x00000100
75 #define VXC_SYSLOG 0x00001000
77 #define VXC_SECURE_MOUNT 0x00010000
78 #define VXC_SECURE_REMOUNT 0x00020000
79 #define VXC_BINARY_MOUNT 0x00040000
81 #define VXC_QUOTA_CTL 0x00100000
82 #define VXC_ADMIN_MAPPER 0x00200000
83 #define VXC_ADMIN_CLOOP 0x00400000
86 /* context state changes */
99 #include <linux/list.h>
100 #include <linux/spinlock.h>
101 #include <linux/rcupdate.h>
103 #include "limit_def.h"
104 #include "sched_def.h"
105 #include "cvirt_def.h"
106 #include "cacct_def.h"
109 struct _vx_sched_pc sched_pc;
110 struct _vx_cvirt_pc cvirt_pc;
114 struct hlist_node vx_hlist; /* linked list of contexts */
115 xid_t vx_id; /* context id */
116 atomic_t vx_usecnt; /* usage count */
117 atomic_t vx_tasks; /* tasks count */
118 struct vx_info *vx_parent; /* parent context */
119 int vx_state; /* context state */
121 struct namespace *vx_namespace; /* private namespace */
122 struct fs_struct *vx_fs; /* private namespace fs */
123 uint64_t vx_flags; /* context flags */
124 uint64_t vx_bcaps; /* bounding caps (system) */
125 uint64_t vx_ccaps; /* context caps (vserver) */
126 kernel_cap_t vx_cap_bset; /* the guest's bset */
128 struct task_struct *vx_reaper; /* guest reaper process */
129 pid_t vx_initpid; /* PID of guest init */
131 struct _vx_limit limit; /* vserver limits */
132 struct _vx_sched sched; /* vserver scheduler */
133 struct _vx_cvirt cvirt; /* virtual/bias stuff */
134 struct _vx_cacct cacct; /* context accounting */
137 struct _vx_info_pc info_pc; /* per cpu data */
139 struct _vx_info_pc *ptr_pc; /* per cpu array */
142 wait_queue_head_t vx_wait; /* context exit waitqueue */
143 int reboot_cmd; /* last sys_reboot() cmd */
144 int exit_code; /* last process exit code */
146 char vx_name[65]; /* vserver name */
150 #define vx_ptr_pc(vxi) (&(vxi)->info_pc)
151 #define vx_per_cpu(vxi, v, id) vx_ptr_pc(vxi)->v
153 #define vx_ptr_pc(vxi) ((vxi)->ptr_pc)
154 #define vx_per_cpu(vxi, v, id) per_cpu_ptr(vx_ptr_pc(vxi), id)->v
157 #define vx_cpu(vxi, v) vx_per_cpu(vxi, v, smp_processor_id())
160 struct vx_info_save {
168 #define VXS_HASHED 0x0001
169 #define VXS_PAUSED 0x0010
170 #define VXS_SHUTDOWN 0x0100
171 #define VXS_HELPER 0x1000
172 #define VXS_RELEASED 0x8000
174 /* check conditions */
176 #define VX_ADMIN 0x0001
177 #define VX_WATCH 0x0002
178 #define VX_HIDE 0x0004
179 #define VX_HOSTID 0x0008
181 #define VX_IDENT 0x0010
182 #define VX_EQUIV 0x0020
183 #define VX_PARENT 0x0040
184 #define VX_CHILD 0x0080
186 #define VX_ARG_MASK 0x00F0
188 #define VX_DYNAMIC 0x0100
189 #define VX_STATIC 0x0200
191 #define VX_ATR_MASK 0x0F00
194 #ifdef CONFIG_VSERVER_PRIVACY
195 #define VX_ADMIN_P (0)
196 #define VX_WATCH_P (0)
198 #define VX_ADMIN_P VX_ADMIN
199 #define VX_WATCH_P VX_WATCH
202 extern void claim_vx_info(struct vx_info *, struct task_struct *);
203 extern void release_vx_info(struct vx_info *, struct task_struct *);
205 extern struct vx_info *lookup_vx_info(int);
206 extern struct vx_info *lookup_or_create_vx_info(int);
208 extern int get_xid_list(int, unsigned int *, int);
209 extern int xid_is_hashed(xid_t);
211 extern int vx_migrate_task(struct task_struct *, struct vx_info *);
213 extern long vs_state_change(struct vx_info *, unsigned int);
216 #endif /* __KERNEL__ */
217 #else /* _VX_CONTEXT_H */
218 #warning duplicate inclusion
219 #endif /* _VX_CONTEXT_H */