Files
mckernel/kernel/include/cls.h
2017-05-19 10:26:29 +09:00

108 lines
2.3 KiB
C

/**
* \file cls.h
* License details are found in the file LICENSE.
* \brief
* Structure of cpu local variable
* \author Taku Shimosawa <shimosawa@is.s.u-tokyo.ac.jp> \par
* Copyright (C) 2011 - 2012 Taku Shimosawa
*/
/*
* HISTORY:
*/
#ifndef __HEADER_CLS_H
#define __HEADER_CLS_H
#include <process.h>
#include <syscall.h>
/*
* CPU Local Storage (cls)
*/
struct kmalloc_header {
unsigned int front_magic;
unsigned int cpu_id;
struct list_head list;
int size; /* The size of this chunk without the header */
unsigned int end_magic;
/* 32 bytes */
};
#define IHK_OS_MONITOR_NOT_BOOT 0
#define IHK_OS_MONITOR_IDLE 1
#define IHK_OS_MONITOR_USER 2
#define IHK_OS_MONITOR_KERNEL 3
#define IHK_OS_MONITOR_KERNEL_HEAVY 4
#define IHK_OS_MONITOR_KERNEL_OFFLOAD 5
#define IHK_OS_MONITOR_KERNEL_FREEZING 8
#define IHK_OS_MONITOR_KERNEL_FROZEN 9
#define IHK_OS_MONITOR_KERNEL_THAW 10
#define IHK_OS_MONITOR_PANIC 99
struct ihk_os_monitor {
int status;
int status_bak;
unsigned long counter;
unsigned long ocounter;
unsigned long user_tsc;
unsigned long system_tsc;
};
#include <ihk/lock.h>
#define CPU_STATUS_DISABLE (0)
#define CPU_STATUS_IDLE (1)
#define CPU_STATUS_RUNNING (2)
#define CPU_STATUS_RESERVED (3)
extern ihk_spinlock_t cpu_status_lock;
#define CPU_FLAG_NEED_RESCHED 0x1U
#define CPU_FLAG_NEED_MIGRATE 0x2U
struct cpu_local_var {
/* malloc */
struct list_head free_list;
struct list_head remote_free_list;
ihk_spinlock_t remote_free_list_lock;
struct thread idle;
struct process idle_proc;
struct process_vm idle_vm;
struct address_space idle_asp;
ihk_spinlock_t runq_lock;
unsigned long runq_irqstate;
struct thread *current;
struct list_head runq;
size_t runq_len;
struct ihk_ikc_channel_desc *ikc2linux;
struct resource_set *resource_set;
int status;
int fs;
struct list_head pending_free_pages;
unsigned int flags;
ihk_spinlock_t migq_lock;
struct list_head migq;
int in_interrupt;
int no_preempt;
int timer_enabled;
int kmalloc_initialized;
struct ihk_os_monitor *monitor;
} __attribute__((aligned(64)));
struct cpu_local_var *get_cpu_local_var(int id);
static struct cpu_local_var *get_this_cpu_local_var(void)
{
return get_cpu_local_var(ihk_mc_get_processor_id());
}
#define cpu_local_var(name) get_this_cpu_local_var()->name
#endif