This commit was manufactured by cvs2svn to create branch 'vserver'.

[linux-2.6.git] / include / linux / vserver / context.h

diff --git a/include/linux/vserver/context.h b/include/linux/vserver/context.h
new file mode 100644 (file)
index 0000000..7692603
--- /dev/null
+++ b/include/linux/vserver/context.h
@@ -0,0 +1,176 @@
+#ifndef _VX_CONTEXT_H
+#define _VX_CONTEXT_H
+
+#include <linux/types.h>
+
+#define MAX_S_CONTEXT  65535   /* Arbitrary limit */
+#define MIN_D_CONTEXT  49152   /* dynamic contexts start here */
+
+#define VX_DYNAMIC_ID  ((uint32_t)-1)          /* id for dynamic context */
+
+#ifdef __KERNEL__
+
+#include <linux/list.h>
+#include <linux/spinlock.h>
+
+#define _VX_INFO_DEF_
+#include "cvirt.h"
+#include "limit.h"
+#include "sched.h"
+#undef _VX_INFO_DEF_
+
+struct vx_info {
+       struct list_head vx_list;               /* linked list of contexts */
+       xid_t vx_id;                            /* context id */
+       atomic_t vx_refcount;                   /* refcount */
+       struct vx_info *vx_parent;              /* parent context */
+
+       struct namespace *vx_namespace;         /* private namespace */
+       struct fs_struct *vx_fs;                /* private namespace fs */
+       uint64_t vx_flags;                      /* VX_INFO_xxx */
+       uint64_t vx_bcaps;                      /* bounding caps (system) */
+       uint64_t vx_ccaps;                      /* context caps (vserver) */
+
+       pid_t vx_initpid;                       /* PID of fake init process */
+
+       struct _vx_limit limit;                 /* vserver limits */
+       struct _vx_sched sched;                 /* vserver scheduler */
+       struct _vx_cvirt cvirt;                 /* virtual/bias stuff */
+       struct _vx_cacct cacct;                 /* context accounting */
+
+       char vx_name[65];                       /* vserver name */
+};
+
+
+extern spinlock_t vxlist_lock;
+extern struct list_head vx_infos;
+
+
+#define VX_ADMIN       0x0001
+#define VX_WATCH       0x0002
+#define VX_DUMMY       0x0008
+
+#define VX_IDENT       0x0010
+#define VX_EQUIV       0x0020
+#define VX_PARENT      0x0040
+#define VX_CHILD       0x0080
+
+#define VX_ARG_MASK    0x00F0
+
+#define VX_DYNAMIC     0x0100
+#define VX_STATIC      0x0200
+
+#define VX_ATR_MASK    0x0F00
+
+
+void free_vx_info(struct vx_info *);
+
+extern struct vx_info *find_vx_info(int);
+extern struct vx_info *find_or_create_vx_info(int);
+extern int vx_info_id_valid(int);
+
+extern int vx_migrate_task(struct task_struct *, struct vx_info *);
+
+#endif /* __KERNEL__ */
+
+#include "switch.h"
+
+/* vinfo commands */
+
+#define VCMD_task_xid          VC_CMD(VINFO, 1, 0)
+#define VCMD_task_nid          VC_CMD(VINFO, 2, 0)
+
+#ifdef __KERNEL__
+extern int vc_task_xid(uint32_t, void __user *);
+
+#endif /* __KERNEL__ */
+
+#define VCMD_vx_info           VC_CMD(VINFO, 5, 0)
+#define VCMD_nx_info           VC_CMD(VINFO, 6, 0)
+
+struct  vcmd_vx_info_v0 {
+       uint32_t xid;
+       uint32_t initpid;
+       /* more to come */      
+};
+
+#ifdef __KERNEL__
+extern int vc_vx_info(uint32_t, void __user *);
+
+#endif /* __KERNEL__ */
+
+#define VCMD_ctx_create                VC_CMD(VPROC, 1, 0)
+#define VCMD_ctx_migrate       VC_CMD(PROCMIG, 1, 0)
+
+#ifdef __KERNEL__
+extern int vc_ctx_create(uint32_t, void __user *);
+extern int vc_ctx_migrate(uint32_t, void __user *);
+
+#endif /* __KERNEL__ */
+
+#define VCMD_get_cflags                VC_CMD(FLAGS, 1, 0)
+#define VCMD_set_cflags                VC_CMD(FLAGS, 2, 0)
+
+struct  vcmd_ctx_flags_v0 {
+       uint64_t flagword;
+       uint64_t mask;
+};
+
+#ifdef __KERNEL__
+extern int vc_get_cflags(uint32_t, void __user *);
+extern int vc_set_cflags(uint32_t, void __user *);
+
+#endif /* __KERNEL__ */
+
+#define VXF_INFO_LOCK          0x00000001
+#define VXF_INFO_SCHED         0x00000002
+#define VXF_INFO_NPROC         0x00000004
+#define VXF_INFO_PRIVATE       0x00000008
+
+#define VXF_INFO_INIT          0x00000010
+#define VXF_INFO_HIDE          0x00000020
+#define VXF_INFO_ULIMIT                0x00000040
+#define VXF_INFO_NSPACE                0x00000080
+
+#define VXF_SCHED_HARD         0x00000100
+#define VXF_SCHED_PRIO         0x00000200
+#define VXF_SCHED_PAUSE                0x00000400
+
+#define VXF_VIRT_MEM           0x00010000
+#define VXF_VIRT_UPTIME                0x00020000
+#define VXF_VIRT_CPU           0x00040000
+
+#define VXF_HIDE_MOUNT         0x01000000
+#define VXF_HIDE_NETIF         0x02000000
+
+#define VXF_STATE_SETUP                (1ULL<<32)
+#define VXF_STATE_INIT         (1ULL<<33)
+
+#define        VXF_FORK_RSS            (1ULL<<48)
+
+#define VXF_ONE_TIME           (0x0003ULL<<32)
+
+#define VCMD_get_ccaps         VC_CMD(FLAGS, 3, 0)
+#define VCMD_set_ccaps         VC_CMD(FLAGS, 4, 0)
+
+struct  vcmd_ctx_caps_v0 {
+       uint64_t bcaps;
+       uint64_t ccaps;
+       uint64_t cmask;
+};
+
+#ifdef __KERNEL__
+extern int vc_get_ccaps(uint32_t, void __user *);
+extern int vc_set_ccaps(uint32_t, void __user *);
+
+#endif /* __KERNEL__ */
+
+#define VXC_SET_UTSNAME                0x00000001
+#define VXC_SET_RLIMIT         0x00000002
+
+#define VXC_ICMP_PING          0x00000100
+
+#define VXC_SECURE_MOUNT       0x00010000
+
+
+#endif /* _VX_CONTEXT_H */