X-Git-Url: http://git.linux-vserver.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=util-vserver%2Fkernel%2Fcontext.h;h=ed1145eb39f0a8f44742751f1c71158701695733;hb=faa778968d1a7dfeaebc9fe4b847e691dc62fd15;hp=a51a03571f4a851c487ff290c196d460947420c8;hpb=09fcd8d24e21368e9e5a5f49aa1c0bbdcafd9aed;p=util-vserver.git diff --git a/util-vserver/kernel/context.h b/util-vserver/kernel/context.h index a51a035..ed1145e 100644 --- a/util-vserver/kernel/context.h +++ b/util-vserver/kernel/context.h @@ -3,172 +3,159 @@ #include + #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__ +/* context flags */ -#include -#include +#define VXF_INFO_LOCK 0x00000001 +#define VXF_INFO_SCHED 0x00000002 +#define VXF_INFO_NPROC 0x00000004 +#define VXF_INFO_PRIVATE 0x00000008 -#define _VX_INFO_DEF_ -#include "cvirt.h" -#include "limit.h" -#include "sched.h" -#undef _VX_INFO_DEF_ +#define VXF_INFO_INIT 0x00000010 +#define VXF_INFO_HIDE 0x00000020 +#define VXF_INFO_ULIMIT 0x00000040 +#define VXF_INFO_NSPACE 0x00000080 -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 */ +#define VXF_SCHED_HARD 0x00000100 +#define VXF_SCHED_PRIO 0x00000200 +#define VXF_SCHED_PAUSE 0x00000400 - 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) */ +#define VXF_VIRT_MEM 0x00010000 +#define VXF_VIRT_UPTIME 0x00020000 +#define VXF_VIRT_CPU 0x00040000 +#define VXF_VIRT_LOAD 0x00080000 - pid_t vx_initpid; /* PID of fake init process */ +#define VXF_HIDE_MOUNT 0x01000000 +#define VXF_HIDE_NETIF 0x02000000 - struct _vx_cvirt cvirt; /* virtual/bias stuff */ - struct _vx_limit limit; /* vserver limits */ - struct _vx_sched sched; /* vserver scheduler */ +#define VXF_STATE_SETUP (1ULL<<32) +#define VXF_STATE_INIT (1ULL<<33) - char vx_name[65]; /* vserver name */ -}; +#define VXF_STATE_HELPER (1ULL<<36) +#define VXF_FORK_RSS (1ULL<<48) +#define VXF_PROLIFIC (1ULL<<49) -extern spinlock_t vxlist_lock; -extern struct list_head vx_infos; +#define VXF_IGNEG_NICE (1ULL<<52) +#define VXF_ONE_TIME (0x0003ULL<<32) -#define VX_ADMIN 0x0001 -#define VX_WATCH 0x0002 -#define VX_DUMMY 0x0008 +#define VXF_INIT_SET (VXF_STATE_SETUP|VXF_STATE_INIT) -#define VX_IDENT 0x0010 -#define VX_EQUIV 0x0020 -#define VX_PARENT 0x0040 -#define VX_CHILD 0x0080 -#define VX_ARG_MASK 0x00F0 +/* context caps */ -#define VX_DYNAMIC 0x0100 -#define VX_STATIC 0x0200 +#define VXC_CAP_MASK 0x00000000 -#define VX_ATR_MASK 0x0F00 +#define VXC_SET_UTSNAME 0x00000001 +#define VXC_SET_RLIMIT 0x00000002 +#define VXC_RAW_ICMP 0x00000100 +#define VXC_SYSLOG 0x00001000 -void free_vx_info(struct vx_info *); +#define VXC_SECURE_MOUNT 0x00010000 +#define VXC_SECURE_REMOUNT 0x00020000 +#define VXC_BINARY_MOUNT 0x00040000 -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); +#define VXC_QUOTA_CTL 0x00100000 -extern int vx_migrate_task(struct task_struct *, struct vx_info *); -#endif /* __KERNEL__ */ +/* context state changes */ -#include "switch.h" +enum { + VSC_STARTUP = 1, + VSC_SHUTDOWN, -/* vinfo commands */ + VSC_NETUP, + VSC_NETDOWN, +}; -#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) +#include +#include +#include -struct vcmd_vx_info_v0 { - uint32_t xid; - uint32_t initpid; - /* more to come */ -}; +#include "limit_def.h" +#include "sched_def.h" +#include "cvirt_def.h" -#ifdef __KERNEL__ -extern int vc_vx_info(uint32_t, void __user *); - -#endif /* __KERNEL__ */ +struct vx_info { + struct hlist_node vx_hlist; /* linked list of contexts */ + 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 */ -#define VCMD_ctx_create VC_CMD(VPROC, 1, 0) -#define VCMD_ctx_migrate VC_CMD(PROCMIG, 1, 0) + 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) */ -#ifdef __KERNEL__ -extern int vc_ctx_create(uint32_t, void __user *); -extern int vc_ctx_migrate(uint32_t, void __user *); + pid_t vx_initpid; /* PID of fake init process */ -#endif /* __KERNEL__ */ + wait_queue_head_t vx_wait; /* context exit waitqueue */ -#define VCMD_get_cflags VC_CMD(FLAGS, 1, 0) -#define VCMD_set_cflags VC_CMD(FLAGS, 2, 0) + 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 */ -struct vcmd_ctx_flags_v0 { - uint64_t flagword; - uint64_t mask; + char vx_name[65]; /* vserver name */ }; -#ifdef __KERNEL__ -extern int vc_get_cflags(uint32_t, void __user *); -extern int vc_set_cflags(uint32_t, void __user *); -#endif /* __KERNEL__ */ +/* status flags */ -#define VXF_INFO_LOCK 0x00000001 -#define VXF_INFO_SCHED 0x00000002 -#define VXF_INFO_NPROC 0x00000004 -#define VXF_INFO_PRIVATE 0x00000008 +#define VXS_HASHED 0x0001 +#define VXS_PAUSED 0x0010 +#define VXS_ONHOLD 0x0020 +#define VXS_SHUTDOWN 0x0100 +#define VXS_RELEASED 0x8000 -#define VXF_INFO_INIT 0x00000010 -#define VXF_INFO_HIDE 0x00000020 -#define VXF_INFO_ULIMIT 0x00000040 -#define VXF_INFO_NSPACE 0x00000080 +/* check conditions */ -#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 VX_ADMIN 0x0001 +#define VX_WATCH 0x0002 +#define VX_HIDE 0x0004 +#define VX_HOSTID 0x0008 -#define VXF_STATE_SETUP (1ULL<<32) -#define VXF_STATE_INIT (1ULL<<33) +#define VX_IDENT 0x0010 +#define VX_EQUIV 0x0020 +#define VX_PARENT 0x0040 +#define VX_CHILD 0x0080 +#define VX_ARG_MASK 0x00F0 -#define VXF_ONE_TIME (0x0003ULL<<32) +#define VX_DYNAMIC 0x0100 +#define VX_STATIC 0x0200 -#define VCMD_get_ccaps VC_CMD(FLAGS, 3, 0) -#define VCMD_set_ccaps VC_CMD(FLAGS, 4, 0) +#define VX_ATR_MASK 0x0F00 -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 *); +extern void claim_vx_info(struct vx_info *, struct task_struct *); +extern void release_vx_info(struct vx_info *, struct task_struct *); -#endif /* __KERNEL__ */ +extern struct vx_info *locate_vx_info(int); +extern struct vx_info *locate_or_create_vx_info(int); -#define VXC_SET_UTSNAME 0x00000001 -#define VXC_SET_RLIMIT 0x00000002 +extern int get_xid_list(int, unsigned int *, int); +extern int xid_is_hashed(xid_t); -#define VXC_ICMP_PING 0x00000100 +extern int vx_migrate_task(struct task_struct *, struct vx_info *); -#define VXC_SECURE_MOUNT 0x00010000 +extern long vs_state_change(struct vx_info *, unsigned int); +#endif /* __KERNEL__ */ +#else /* _VX_CONTEXT_H */ +#warning duplicate inclusion #endif /* _VX_CONTEXT_H */