fedora core 6 1.2949 + vserver 2.2.0

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

diff --git a/include/linux/vserver/sched.h b/include/linux/vserver/sched.h
index fd6bc2a..0bf6dba 100644 (file)
--- a/include/linux/vserver/sched.h
+++ b/include/linux/vserver/sched.h
@@ -1,141 +1,26 @@
-/* _VX_SCHED_H defined below */
-
-#if    defined(__KERNEL__) && defined(_VX_INFO_DEF_)
-
-#include <linux/spinlock.h>
-#include <linux/jiffies.h>
-#include <linux/cpumask.h>
-#include <asm/atomic.h>
-#include <asm/param.h>
-
-/* context sub struct */
-
-struct _vx_sched {
-       spinlock_t tokens_lock; /* lock for this structure */
-
-       int fill_rate;          /* Fill rate: add X tokens... */
-       int interval;           /* Divisor:   per Y jiffies   */
-       atomic_t tokens;        /* number of CPU tokens in this context */
-       int tokens_min;         /* Limit:     minimum for unhold */
-       int tokens_max;         /* Limit:     no more than N tokens */
-       uint32_t jiffies;       /* add an integral multiple of Y to this */
-
-       uint64_t ticks;         /* token tick events */
-       cpumask_t cpus_allowed; /* cpu mask for context */
-};
-
-static inline void vx_info_init_sched(struct _vx_sched *sched)
-{
-       /* scheduling; hard code starting values as constants */
-       sched->fill_rate        = 1;
-       sched->interval         = 4;
-       sched->tokens_min       = HZ >> 4;
-       sched->tokens_max       = HZ >> 1;
-       sched->jiffies          = jiffies;
-       sched->tokens_lock      = SPIN_LOCK_UNLOCKED;
-
-       atomic_set(&sched->tokens, HZ >> 2);
-       sched->cpus_allowed     = CPU_MASK_ALL;
-}
-
-static inline void vx_info_exit_sched(struct _vx_sched *sched)
-{
-       return;
-}
-
-static inline int vx_info_proc_sched(struct _vx_sched *sched, char *buffer)
-{
-       return sprintf(buffer,
-               "Ticks:\t%16lld\n"
-               "Token:\t\t%8d\n"
-               "FillRate:\t%8d\n"
-               "Interval:\t%8d\n"              
-               "TokensMin:\t%8d\n"
-               "TokensMax:\t%8d\n"
-               ,(unsigned long long)sched->ticks
-               ,atomic_read(&sched->tokens)
-               ,sched->fill_rate
-               ,sched->interval
-               ,sched->tokens_min
-               ,sched->tokens_max
-               );
-}
-
-
-#else  /* _VX_INFO_DEF_ */
 #ifndef _VX_SCHED_H
 #define _VX_SCHED_H
 
-#include "switch.h"
-
-/*  sched vserver commands */
-
-#define VCMD_set_sched         VC_CMD(SCHED, 1, 2)
-
-struct  vcmd_set_sched_v2 {
-       int32_t fill_rate;
-       int32_t interval;
-       int32_t tokens;
-       int32_t tokens_min;
-       int32_t tokens_max;
-       uint64_t cpu_mask;
-};
-
-#define SCHED_KEEP             (-2)
 
 #ifdef __KERNEL__
 
-extern int vc_set_sched_v1(uint32_t, void __user *);
-extern int vc_set_sched(uint32_t, void __user *);
-
-
-#define VAVAVOOM_RATIO         50
+struct timespec;
 
-#include "context.h"
+void vx_vsi_uptime(struct timespec *, struct timespec *);
 
 
-/* scheduling stuff */
+struct vx_info;
 
-int effective_vavavoom(struct task_struct *, int);
+void vx_update_load(struct vx_info *);
 
-int vx_tokens_recalc(struct vx_info *);
 
-/* new stuff ;) */
-
-static inline int vx_tokens_avail(struct vx_info *vxi)
-{
-       return atomic_read(&vxi->sched.tokens);
-}
-
-static inline void vx_consume_token(struct vx_info *vxi)
-{
-       atomic_dec(&vxi->sched.tokens);
-}
-
-static inline int vx_need_resched(struct task_struct *p)
-{
-#ifdef CONFIG_VSERVER_HARDCPU
-       struct vx_info *vxi = p->vx_info;
-
-       if (vxi) {
-               int tokens;
-
-               p->time_slice--;
-               if (atomic_read(&vxi->vx_usecnt) < 1)
-                       printk("need_resched: p=%p, s=%ld, ref=%d, id=%d/%d\n",
-                               p, p->state, atomic_read(&vxi->vx_usecnt),
-                               vxi->vx_id, p->xid);
-               if ((tokens = vx_tokens_avail(vxi)) > 0)
-                       vx_consume_token(vxi);
-               return ((p->time_slice == 0) || (tokens < 1));
-       }
-#endif
-       p->time_slice--;
-       return (p->time_slice == 0);
-}
+int vx_tokens_recalc(struct _vx_sched_pc *,
+       unsigned long *, unsigned long *, int [2]);
 
+void vx_update_sched_param(struct _vx_sched *sched,
+       struct _vx_sched_pc *sched_pc);
 
 #endif /* __KERNEL__ */
-
+#else  /* _VX_SCHED_H */
+#warning duplicate inclusion
 #endif /* _VX_SCHED_H */
-#endif