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#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>
#include <linux/rcupdate.h>
#define _VX_INFO_DEF_
#include "cvirt.h"
#include "limit.h"
#include "sched.h"
#undef _VX_INFO_DEF_
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_refcnt; /* reference count */
struct vx_info *vx_parent; /* parent context */
int vx_state; /* context state */
struct namespace *vx_namespace; /* 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) */
pid_t vx_initpid; /* PID of fake init process */
spinlock_t vx_lock;
wait_queue_head_t vx_exit; /* context exit waitqueue */
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 */
};
/* status flags */
#define VXS_HASHED 0x0001
#define VXS_PAUSED 0x0010
#define VXS_ONHOLD 0x0020
#define VXS_SHUTDOWN 0x0100
#define VXS_DEFUNCT 0x1000
#define VXS_RELEASED 0x8000
/* check conditions */
#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
struct rcu_head;
// extern void rcu_free_vx_info(struct rcu_head *);
extern void unhash_vx_info(struct vx_info *);
extern struct vx_info *locate_vx_info(int);
extern struct vx_info *locate_or_create_vx_info(int);
extern int get_xid_list(int, unsigned int *, int);
extern int vx_info_is_hashed(xid_t);
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_VIRT_LOAD 0x00080000
#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_PROLIFIC (1ULL<<49)
#define VXF_IGNEG_NICE (1ULL<<52)
#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_RAW_ICMP 0x00000100
#define VXC_SECURE_MOUNT 0x00010000
#define VXC_SECURE_REMOUNT 0x00020000
#endif /* _VX_CONTEXT_H */
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