X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=include%2Flinux%2Fvserver%2Fcontext.h;h=79f90537f8a54374c6e2ef9f1e9a0f07a5ef749f;hb=8e8ece46a861c84343256819eaec77e608ff9217;hp=434bfbaa2a8511b9e6e0c00af5dcb9cbf2ee6a19;hpb=9bf4aaab3e101692164d49b7ca357651eb691cb6;p=linux-2.6.git diff --git a/include/linux/vserver/context.h b/include/linux/vserver/context.h index 434bfbaa2..79f90537f 100644 --- a/include/linux/vserver/context.h +++ b/include/linux/vserver/context.h @@ -3,39 +3,107 @@ #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 */ +/* context flags */ + +#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_STATE_HELPER (1ULL<<36) + +#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_INIT_SET (VXF_STATE_SETUP|VXF_STATE_INIT) + + +/* context caps */ + +#define VXC_CAP_MASK 0x00000000 + +#define VXC_SET_UTSNAME 0x00000001 +#define VXC_SET_RLIMIT 0x00000002 + +#define VXC_RAW_ICMP 0x00000100 +#define VXC_SYSLOG 0x00001000 + +#define VXC_SECURE_MOUNT 0x00010000 +#define VXC_SECURE_REMOUNT 0x00020000 +#define VXC_BINARY_MOUNT 0x00040000 + +#define VXC_QUOTA_CTL 0x00100000 + + +/* context state changes */ + +enum { + VSC_STARTUP = 1, + VSC_SHUTDOWN, + + VSC_NETUP, + VSC_NETDOWN, +}; + + #ifdef __KERNEL__ #include #include #include -#define _VX_INFO_DEF_ -#include "cvirt.h" -#include "limit.h" -#include "sched.h" -#undef _VX_INFO_DEF_ +#include "limit_def.h" +#include "sched_def.h" +#include "cvirt_def.h" 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 */ + atomic_t vx_tasks; /* tasks 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; /* VX_INFO_xxx */ + 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 */ + wait_queue_head_t vx_wait; /* context exit waitqueue */ + struct _vx_limit limit; /* vserver limits */ struct _vx_sched sched; /* vserver scheduler */ struct _vx_cvirt cvirt; /* virtual/bias stuff */ @@ -45,9 +113,20 @@ struct vx_info { }; +/* status flags */ + +#define VXS_HASHED 0x0001 +#define VXS_PAUSED 0x0010 +#define VXS_ONHOLD 0x0020 +#define VXS_SHUTDOWN 0x0100 +#define VXS_RELEASED 0x8000 + +/* check conditions */ + #define VX_ADMIN 0x0001 #define VX_WATCH 0x0002 -#define VX_DUMMY 0x0008 +#define VX_HIDE 0x0004 +#define VX_HOSTID 0x0008 #define VX_IDENT 0x0010 #define VX_EQUIV 0x0020 @@ -62,120 +141,21 @@ struct vx_info { #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 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 int get_xid_list(int, unsigned int *, int); -extern int vx_info_is_hashed(xid_t); +extern int xid_is_hashed(xid_t); extern int vx_migrate_task(struct task_struct *, struct vx_info *); -#endif /* __KERNEL__ */ - -#include "switch.h" +extern long vs_state_change(struct vx_info *, unsigned int); -/* 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_PROLIFIC (1ULL<<49) - -#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 - - +#else /* _VX_CONTEXT_H */ +#warning duplicate inclusion #endif /* _VX_CONTEXT_H */