diff options
Diffstat (limited to 'ANDROID_3.4.5/include/linux/cpu.h')
| -rw-r--r-- | ANDROID_3.4.5/include/linux/cpu.h | 222 |
1 files changed, 0 insertions, 222 deletions
diff --git a/ANDROID_3.4.5/include/linux/cpu.h b/ANDROID_3.4.5/include/linux/cpu.h deleted file mode 100644 index 11dd01b8..00000000 --- a/ANDROID_3.4.5/include/linux/cpu.h +++ /dev/null @@ -1,222 +0,0 @@ -/* - * include/linux/cpu.h - generic cpu definition - * - * This is mainly for topological representation. We define the - * basic 'struct cpu' here, which can be embedded in per-arch - * definitions of processors. - * - * Basic handling of the devices is done in drivers/base/cpu.c - * and system devices are handled in drivers/base/sys.c. - * - * CPUs are exported via sysfs in the class/cpu/devices/ - * directory. - */ -#ifndef _LINUX_CPU_H_ -#define _LINUX_CPU_H_ - -#include <linux/node.h> -#include <linux/compiler.h> -#include <linux/cpumask.h> - -struct device; - -struct cpu { - int node_id; /* The node which contains the CPU */ - int hotpluggable; /* creates sysfs control file if hotpluggable */ - struct device dev; -}; - -extern int register_cpu(struct cpu *cpu, int num); -extern struct device *get_cpu_device(unsigned cpu); -extern bool cpu_is_hotpluggable(unsigned cpu); - -extern int cpu_add_dev_attr(struct device_attribute *attr); -extern void cpu_remove_dev_attr(struct device_attribute *attr); - -extern int cpu_add_dev_attr_group(struct attribute_group *attrs); -extern void cpu_remove_dev_attr_group(struct attribute_group *attrs); - -extern int sched_create_sysfs_power_savings_entries(struct device *dev); - -#ifdef CONFIG_HOTPLUG_CPU -extern void unregister_cpu(struct cpu *cpu); -extern ssize_t arch_cpu_probe(const char *, size_t); -extern ssize_t arch_cpu_release(const char *, size_t); -#endif -struct notifier_block; - -#ifdef CONFIG_ARCH_HAS_CPU_AUTOPROBE -extern int arch_cpu_uevent(struct device *dev, struct kobj_uevent_env *env); -extern ssize_t arch_print_cpu_modalias(struct device *dev, - struct device_attribute *attr, - char *bufptr); -#endif - -/* - * CPU notifier priorities. - */ -enum { - /* - * SCHED_ACTIVE marks a cpu which is coming up active during - * CPU_ONLINE and CPU_DOWN_FAILED and must be the first - * notifier. CPUSET_ACTIVE adjusts cpuset according to - * cpu_active mask right after SCHED_ACTIVE. During - * CPU_DOWN_PREPARE, SCHED_INACTIVE and CPUSET_INACTIVE are - * ordered in the similar way. - * - * This ordering guarantees consistent cpu_active mask and - * migration behavior to all cpu notifiers. - */ - CPU_PRI_SCHED_ACTIVE = INT_MAX, - CPU_PRI_CPUSET_ACTIVE = INT_MAX - 1, - CPU_PRI_SCHED_INACTIVE = INT_MIN + 1, - CPU_PRI_CPUSET_INACTIVE = INT_MIN, - - /* migration should happen before other stuff but after perf */ - CPU_PRI_PERF = 20, - CPU_PRI_MIGRATION = 10, - /* prepare workqueues for other notifiers */ - CPU_PRI_WORKQUEUE = 5, -}; - -#define CPU_ONLINE 0x0002 /* CPU (unsigned)v is up */ -#define CPU_UP_PREPARE 0x0003 /* CPU (unsigned)v coming up */ -#define CPU_UP_CANCELED 0x0004 /* CPU (unsigned)v NOT coming up */ -#define CPU_DOWN_PREPARE 0x0005 /* CPU (unsigned)v going down */ -#define CPU_DOWN_FAILED 0x0006 /* CPU (unsigned)v NOT going down */ -#define CPU_DEAD 0x0007 /* CPU (unsigned)v dead */ -#define CPU_DYING 0x0008 /* CPU (unsigned)v not running any task, - * not handling interrupts, soon dead. - * Called on the dying cpu, interrupts - * are already disabled. Must not - * sleep, must not fail */ -#define CPU_POST_DEAD 0x0009 /* CPU (unsigned)v dead, cpu_hotplug - * lock is dropped */ -#define CPU_STARTING 0x000A /* CPU (unsigned)v soon running. - * Called on the new cpu, just before - * enabling interrupts. Must not sleep, - * must not fail */ - -/* Used for CPU hotplug events occurring while tasks are frozen due to a suspend - * operation in progress - */ -#define CPU_TASKS_FROZEN 0x0010 - -#define CPU_ONLINE_FROZEN (CPU_ONLINE | CPU_TASKS_FROZEN) -#define CPU_UP_PREPARE_FROZEN (CPU_UP_PREPARE | CPU_TASKS_FROZEN) -#define CPU_UP_CANCELED_FROZEN (CPU_UP_CANCELED | CPU_TASKS_FROZEN) -#define CPU_DOWN_PREPARE_FROZEN (CPU_DOWN_PREPARE | CPU_TASKS_FROZEN) -#define CPU_DOWN_FAILED_FROZEN (CPU_DOWN_FAILED | CPU_TASKS_FROZEN) -#define CPU_DEAD_FROZEN (CPU_DEAD | CPU_TASKS_FROZEN) -#define CPU_DYING_FROZEN (CPU_DYING | CPU_TASKS_FROZEN) -#define CPU_STARTING_FROZEN (CPU_STARTING | CPU_TASKS_FROZEN) - - -#ifdef CONFIG_SMP -/* Need to know about CPUs going up/down? */ -#if defined(CONFIG_HOTPLUG_CPU) || !defined(MODULE) -#define cpu_notifier(fn, pri) { \ - static struct notifier_block fn##_nb __cpuinitdata = \ - { .notifier_call = fn, .priority = pri }; \ - register_cpu_notifier(&fn##_nb); \ -} -#else /* #if defined(CONFIG_HOTPLUG_CPU) || !defined(MODULE) */ -#define cpu_notifier(fn, pri) do { (void)(fn); } while (0) -#endif /* #else #if defined(CONFIG_HOTPLUG_CPU) || !defined(MODULE) */ -#ifdef CONFIG_HOTPLUG_CPU -extern int register_cpu_notifier(struct notifier_block *nb); -extern void unregister_cpu_notifier(struct notifier_block *nb); -#else - -#ifndef MODULE -extern int register_cpu_notifier(struct notifier_block *nb); -#else -static inline int register_cpu_notifier(struct notifier_block *nb) -{ - return 0; -} -#endif - -static inline void unregister_cpu_notifier(struct notifier_block *nb) -{ -} -#endif - -int cpu_up(unsigned int cpu); -void notify_cpu_starting(unsigned int cpu); -extern void cpu_maps_update_begin(void); -extern void cpu_maps_update_done(void); - -#else /* CONFIG_SMP */ - -#define cpu_notifier(fn, pri) do { (void)(fn); } while (0) - -static inline int register_cpu_notifier(struct notifier_block *nb) -{ - return 0; -} - -static inline void unregister_cpu_notifier(struct notifier_block *nb) -{ -} - -static inline void cpu_maps_update_begin(void) -{ -} - -static inline void cpu_maps_update_done(void) -{ -} - -#endif /* CONFIG_SMP */ -extern struct bus_type cpu_subsys; - -#ifdef CONFIG_HOTPLUG_CPU -/* Stop CPUs going up and down. */ - -extern void get_online_cpus(void); -extern void put_online_cpus(void); -#define hotcpu_notifier(fn, pri) cpu_notifier(fn, pri) -#define register_hotcpu_notifier(nb) register_cpu_notifier(nb) -#define unregister_hotcpu_notifier(nb) unregister_cpu_notifier(nb) -int cpu_down(unsigned int cpu); - -#ifdef CONFIG_ARCH_CPU_PROBE_RELEASE -extern void cpu_hotplug_driver_lock(void); -extern void cpu_hotplug_driver_unlock(void); -#else -static inline void cpu_hotplug_driver_lock(void) -{ -} - -static inline void cpu_hotplug_driver_unlock(void) -{ -} -#endif - -#else /* CONFIG_HOTPLUG_CPU */ - -#define get_online_cpus() do { } while (0) -#define put_online_cpus() do { } while (0) -#define hotcpu_notifier(fn, pri) do { (void)(fn); } while (0) -/* These aren't inline functions due to a GCC bug. */ -#define register_hotcpu_notifier(nb) ({ (void)(nb); 0; }) -#define unregister_hotcpu_notifier(nb) ({ (void)(nb); }) -#endif /* CONFIG_HOTPLUG_CPU */ - -#ifdef CONFIG_PM_SLEEP_SMP -extern int disable_nonboot_cpus(void); -extern void enable_nonboot_cpus(void); -#else /* !CONFIG_PM_SLEEP_SMP */ -static inline int disable_nonboot_cpus(void) { return 0; } -static inline void enable_nonboot_cpus(void) {} -#endif /* !CONFIG_PM_SLEEP_SMP */ - -#define IDLE_START 1 -#define IDLE_END 2 - -void idle_notifier_register(struct notifier_block *n); -void idle_notifier_unregister(struct notifier_block *n); -void idle_notifier_call_chain(unsigned long val); - -#endif /* _LINUX_CPU_H_ */ |