114 lines
2.3 KiB
C
114 lines
2.3 KiB
C
/**
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* \file cls.h
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* License details are found in the file LICENSE.
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* \brief
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* Structure of cpu local variable
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* \author Taku Shimosawa <shimosawa@is.s.u-tokyo.ac.jp> \par
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* Copyright (C) 2011 - 2012 Taku Shimosawa
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*/
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/*
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* HISTORY:
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*/
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#ifndef __HEADER_CLS_H
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#define __HEADER_CLS_H
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#include <process.h>
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#include <syscall.h>
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/*
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* CPU Local Storage (cls)
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*/
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struct kmalloc_header {
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unsigned int front_magic;
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unsigned int cpu_id;
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struct list_head list;
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int size; /* The size of this chunk without the header */
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unsigned int end_magic;
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/* 32 bytes */
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};
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#include <ihk/lock.h>
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#define CPU_STATUS_DISABLE (0)
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#define CPU_STATUS_IDLE (1)
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#define CPU_STATUS_RUNNING (2)
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#define CPU_STATUS_RESERVED (3)
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extern ihk_spinlock_t cpu_status_lock;
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#define CPU_FLAG_NEED_RESCHED 0x1U
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#define CPU_FLAG_NEED_MIGRATE 0x2U
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typedef int (*smp_func_t)(int cpu_index, int nr_cpus, void *arg);
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int smp_call_func(cpu_set_t *__cpu_set, smp_func_t __func, void *__arg);
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struct smp_func_call_data {
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/* XXX: Sync MCS lock to avoid contention on counter */
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// mcs_lock_node_t lock;
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int nr_cpus;
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ihk_atomic_t cpus_left;
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smp_func_t func;
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void *arg;
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};
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struct smp_func_call_request {
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struct smp_func_call_data *sfcd;
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int cpu_index;
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int ret;
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struct list_head list;
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};
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struct cpu_local_var {
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/* malloc */
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struct list_head free_list;
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struct list_head remote_free_list;
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ihk_spinlock_t remote_free_list_lock;
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struct thread idle;
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struct process idle_proc;
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struct process_vm idle_vm;
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struct address_space idle_asp;
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ihk_spinlock_t runq_lock;
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unsigned long runq_irqstate;
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struct thread *current;
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struct list_head runq;
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size_t runq_len;
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struct ihk_ikc_channel_desc *ikc2linux;
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struct resource_set *resource_set;
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int status;
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int fs;
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struct list_head pending_free_pages;
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unsigned int flags;
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ihk_spinlock_t migq_lock;
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struct list_head migq;
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int in_interrupt;
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int no_preempt;
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int timer_enabled;
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int kmalloc_initialized;
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struct ihk_os_cpu_monitor *monitor;
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struct rusage_percpu *rusage;
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ihk_spinlock_t smp_func_req_lock;
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struct list_head smp_func_req_list;
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struct process_vm *on_fork_vm;
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} __attribute__((aligned(64)));
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struct cpu_local_var *get_cpu_local_var(int id);
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static struct cpu_local_var *get_this_cpu_local_var(void)
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{
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return get_cpu_local_var(ihk_mc_get_processor_id());
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}
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#define cpu_local_var(name) get_this_cpu_local_var()->name
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#endif
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