4 #include <linux/types.h>
6 #define MAX_S_CONTEXT 65535 /* Arbitrary limit */
7 #define MIN_D_CONTEXT 49152 /* dynamic contexts start here */
9 #define VX_DYNAMIC_ID ((uint32_t)-1) /* id for dynamic context */
13 #include <linux/list.h>
14 #include <linux/spinlock.h>
15 #include <linux/rcupdate.h>
24 struct hlist_node vx_hlist; /* linked list of contexts */
25 struct rcu_head vx_rcu; /* the rcu head */
26 xid_t vx_id; /* context id */
27 atomic_t vx_usecnt; /* usage count */
28 atomic_t vx_refcnt; /* reference count */
29 struct vx_info *vx_parent; /* parent context */
30 int vx_state; /* context state */
32 struct namespace *vx_namespace; /* private namespace */
33 struct fs_struct *vx_fs; /* private namespace fs */
34 uint64_t vx_flags; /* context flags */
35 uint64_t vx_bcaps; /* bounding caps (system) */
36 uint64_t vx_ccaps; /* context caps (vserver) */
38 pid_t vx_initpid; /* PID of fake init process */
41 wait_queue_head_t vx_exit; /* context exit waitqueue */
43 struct _vx_limit limit; /* vserver limits */
44 struct _vx_sched sched; /* vserver scheduler */
45 struct _vx_cvirt cvirt; /* virtual/bias stuff */
46 struct _vx_cacct cacct; /* context accounting */
48 char vx_name[65]; /* vserver name */
53 #define VXS_HASHED 0x0001
54 #define VXS_PAUSED 0x0010
55 #define VXS_ONHOLD 0x0020
56 #define VXS_SHUTDOWN 0x0100
57 #define VXS_DEFUNCT 0x1000
58 #define VXS_RELEASED 0x8000
60 /* check conditions */
62 #define VX_ADMIN 0x0001
63 #define VX_WATCH 0x0002
64 #define VX_DUMMY 0x0008
66 #define VX_IDENT 0x0010
67 #define VX_EQUIV 0x0020
68 #define VX_PARENT 0x0040
69 #define VX_CHILD 0x0080
71 #define VX_ARG_MASK 0x00F0
73 #define VX_DYNAMIC 0x0100
74 #define VX_STATIC 0x0200
76 #define VX_ATR_MASK 0x0F00
81 // extern void rcu_free_vx_info(struct rcu_head *);
82 extern void unhash_vx_info(struct vx_info *);
84 extern struct vx_info *locate_vx_info(int);
85 extern struct vx_info *locate_or_create_vx_info(int);
87 extern int get_xid_list(int, unsigned int *, int);
88 extern int vx_info_is_hashed(xid_t);
90 extern int vx_migrate_task(struct task_struct *, struct vx_info *);
92 #endif /* __KERNEL__ */
98 #define VCMD_task_xid VC_CMD(VINFO, 1, 0)
99 #define VCMD_task_nid VC_CMD(VINFO, 2, 0)
102 extern int vc_task_xid(uint32_t, void __user *);
104 #endif /* __KERNEL__ */
106 #define VCMD_vx_info VC_CMD(VINFO, 5, 0)
107 #define VCMD_nx_info VC_CMD(VINFO, 6, 0)
109 struct vcmd_vx_info_v0 {
116 extern int vc_vx_info(uint32_t, void __user *);
118 #endif /* __KERNEL__ */
120 #define VCMD_ctx_create VC_CMD(VPROC, 1, 0)
121 #define VCMD_ctx_migrate VC_CMD(PROCMIG, 1, 0)
124 extern int vc_ctx_create(uint32_t, void __user *);
125 extern int vc_ctx_migrate(uint32_t, void __user *);
127 #endif /* __KERNEL__ */
129 #define VCMD_get_cflags VC_CMD(FLAGS, 1, 0)
130 #define VCMD_set_cflags VC_CMD(FLAGS, 2, 0)
132 struct vcmd_ctx_flags_v0 {
138 extern int vc_get_cflags(uint32_t, void __user *);
139 extern int vc_set_cflags(uint32_t, void __user *);
141 #endif /* __KERNEL__ */
143 #define VXF_INFO_LOCK 0x00000001
144 #define VXF_INFO_SCHED 0x00000002
145 #define VXF_INFO_NPROC 0x00000004
146 #define VXF_INFO_PRIVATE 0x00000008
148 #define VXF_INFO_INIT 0x00000010
149 #define VXF_INFO_HIDE 0x00000020
150 #define VXF_INFO_ULIMIT 0x00000040
151 #define VXF_INFO_NSPACE 0x00000080
153 #define VXF_SCHED_HARD 0x00000100
154 #define VXF_SCHED_PRIO 0x00000200
155 #define VXF_SCHED_PAUSE 0x00000400
157 #define VXF_VIRT_MEM 0x00010000
158 #define VXF_VIRT_UPTIME 0x00020000
159 #define VXF_VIRT_CPU 0x00040000
160 #define VXF_VIRT_LOAD 0x00080000
162 #define VXF_HIDE_MOUNT 0x01000000
163 #define VXF_HIDE_NETIF 0x02000000
165 #define VXF_STATE_SETUP (1ULL<<32)
166 #define VXF_STATE_INIT (1ULL<<33)
168 #define VXF_FORK_RSS (1ULL<<48)
169 #define VXF_PROLIFIC (1ULL<<49)
171 #define VXF_IGNEG_NICE (1ULL<<52)
173 #define VXF_ONE_TIME (0x0003ULL<<32)
175 #define VCMD_get_ccaps VC_CMD(FLAGS, 3, 0)
176 #define VCMD_set_ccaps VC_CMD(FLAGS, 4, 0)
178 struct vcmd_ctx_caps_v0 {
185 extern int vc_get_ccaps(uint32_t, void __user *);
186 extern int vc_set_ccaps(uint32_t, void __user *);
188 #endif /* __KERNEL__ */
190 #define VXC_SET_UTSNAME 0x00000001
191 #define VXC_SET_RLIMIT 0x00000002
193 #define VXC_RAW_ICMP 0x00000100
195 #define VXC_SECURE_MOUNT 0x00010000
196 #define VXC_SECURE_REMOUNT 0x00020000
199 #endif /* _VX_CONTEXT_H */