X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=include%2Flinux%2Fvserver%2Fcontext.h;h=9dda6567b1c2bba86d3ad32da29df6a56e8336ac;hb=97bf2856c6014879bd04983a3e9dfcdac1e7fe85;hp=a5a77e0c9a5cc5c3028fda41754efe7b09da3185;hpb=a6d8dea2993ef90fb69b81372daa0b63f8aa940e;p=linux-2.6.git

diff --git a/include/linux/vserver/context.h b/include/linux/vserver/context.h
index a5a77e0c9..9dda6567b 100644
--- a/include/linux/vserver/context.h
+++ b/include/linux/vserver/context.h
@@ -2,16 +2,13 @@
 #define _VX_CONTEXT_H
 
 #include <linux/types.h>
+#include <linux/capability.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 */
 
 /* context flags */
 
-#define VXF_INFO_LOCK		0x00000001
 #define VXF_INFO_SCHED		0x00000002
 #define VXF_INFO_NPROC		0x00000004
 #define VXF_INFO_PRIVATE	0x00000008
@@ -29,24 +26,38 @@
 #define VXF_VIRT_UPTIME		0x00020000
 #define VXF_VIRT_CPU		0x00040000
 #define VXF_VIRT_LOAD		0x00080000
+#define VXF_VIRT_TIME		0x00100000
 
 #define VXF_HIDE_MOUNT		0x01000000
 #define VXF_HIDE_NETIF		0x02000000
+#define VXF_HIDE_VINFO		0x04000000
 
 #define VXF_STATE_SETUP		(1ULL<<32)
 #define VXF_STATE_INIT		(1ULL<<33)
+#define VXF_STATE_ADMIN		(1ULL<<34)
+
+#define VXF_SC_HELPER		(1ULL<<36)
+#define VXF_REBOOT_KILL		(1ULL<<37)
+#define VXF_PERSISTENT		(1ULL<<38)
 
 #define VXF_FORK_RSS		(1ULL<<48)
 #define VXF_PROLIFIC		(1ULL<<49)
 
 #define VXF_IGNEG_NICE		(1ULL<<52)
 
-#define VXF_ONE_TIME		(0x0003ULL<<32)
+#define VXF_ONE_TIME		(0x0007ULL<<32)
+
+#define VXF_INIT_SET		(VXF_STATE_SETUP|VXF_STATE_INIT|VXF_STATE_ADMIN)
+
 
+/* context migration */
+
+#define VXM_SET_INIT		0x00000001
+#define VXM_SET_REAPER		0x00000002
 
 /* context caps */
 
-#define	VXC_CAP_MASK		0x00000000
+#define VXC_CAP_MASK		0x00000000
 
 #define VXC_SET_UTSNAME		0x00000001
 #define VXC_SET_RLIMIT		0x00000002
@@ -59,14 +70,8 @@
 #define VXC_BINARY_MOUNT	0x00040000
 
 #define VXC_QUOTA_CTL		0x00100000
-
-
-/* context state changes */
-
-enum {
-	VSC_STARTUP = 1,
-	VSC_SHUTDOWN,
-};
+#define VXC_ADMIN_MAPPER	0x00200000
+#define VXC_ADMIN_CLOOP		0x00400000
 
 
 #ifdef	__KERNEL__
@@ -78,82 +83,90 @@ enum {
 #include "limit_def.h"
 #include "sched_def.h"
 #include "cvirt_def.h"
+#include "cacct_def.h"
+
+struct _vx_info_pc {
+	struct _vx_sched_pc sched_pc;
+	struct _vx_cvirt_pc cvirt_pc;
+};
 
 struct vx_info {
 	struct hlist_node vx_hlist;		/* linked list of contexts */
-	struct rcu_head vx_rcu;			/* the rcu head */
 	xid_t vx_id;				/* context id */
 	atomic_t vx_usecnt;			/* usage count */
 	atomic_t vx_tasks;			/* tasks count */
 	struct vx_info *vx_parent;		/* parent context */
 	int vx_state;				/* context state */
 
-	struct namespace *vx_namespace;		/* private namespace */
+	unsigned long vx_nsmask;		/* assignment mask */
+	struct nsproxy *vx_nsproxy;		/* private namespace */
 	struct fs_struct *vx_fs;		/* private namespace fs */
+
 	uint64_t vx_flags;			/* context flags */
 	uint64_t vx_bcaps;			/* bounding caps (system) */
 	uint64_t vx_ccaps;			/* context caps (vserver) */
+	kernel_cap_t vx_cap_bset;		/* the guest's bset */
 
-	pid_t vx_initpid;			/* PID of fake init process */
-
-	spinlock_t vx_lock;
-	wait_queue_head_t vx_wait;		/* context exit waitqueue */
+	struct task_struct *vx_reaper;		/* guest reaper process */
+	pid_t vx_initpid;			/* PID of guest init */
 
 	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 */
 
+#ifndef CONFIG_SMP
+	struct _vx_info_pc info_pc;		/* per cpu data */
+#else
+	struct _vx_info_pc *ptr_pc;		/* per cpu array */
+#endif
+
+	wait_queue_head_t vx_wait;		/* context exit waitqueue */
+	int reboot_cmd;				/* last sys_reboot() cmd */
+	int exit_code;				/* last process exit code */
+
 	char vx_name[65];			/* vserver name */
 };
 
+#ifndef CONFIG_SMP
+#define	vx_ptr_pc(vxi)		(&(vxi)->info_pc)
+#define	vx_per_cpu(vxi, v, id)	vx_ptr_pc(vxi)->v
+#else
+#define	vx_ptr_pc(vxi)		((vxi)->ptr_pc)
+#define	vx_per_cpu(vxi, v, id)	per_cpu_ptr(vx_ptr_pc(vxi), id)->v
+#endif
+
+#define	vx_cpu(vxi, v)		vx_per_cpu(vxi, v, smp_processor_id())
+
+
+struct vx_info_save {
+	struct vx_info *vxi;
+	xid_t xid;
+};
+
 
 /* status flags */
 
 #define VXS_HASHED	0x0001
 #define VXS_PAUSED	0x0010
-#define VXS_ONHOLD	0x0020
 #define VXS_SHUTDOWN	0x0100
-#define VXS_DEFUNCT	0x1000
+#define VXS_HELPER	0x1000
 #define VXS_RELEASED	0x8000
 
-/* check conditions */
-
-#define VX_ADMIN	0x0001
-#define VX_WATCH	0x0002
-#define VX_HIDE		0x0004
-#define VX_HOSTID	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
-
 
 extern void claim_vx_info(struct vx_info *, struct task_struct *);
 extern void release_vx_info(struct vx_info *, struct task_struct *);
 
-extern struct vx_info *locate_vx_info(int);
-extern struct vx_info *locate_or_create_vx_info(int);
+extern struct vx_info *lookup_vx_info(int);
+extern struct vx_info *lookup_or_create_vx_info(int);
 
 extern int get_xid_list(int, unsigned int *, int);
 extern int xid_is_hashed(xid_t);
 
-extern int vx_migrate_task(struct task_struct *, struct vx_info *);
+extern int vx_migrate_task(struct task_struct *, struct vx_info *, int);
 
 extern long vs_state_change(struct vx_info *, unsigned int);
 
-extern void free_vx_info(struct vx_info *);
-
 
 #endif	/* __KERNEL__ */
-#else	/* _VX_CONTEXT_H */
-#warning duplicate inclusion
 #endif	/* _VX_CONTEXT_H */