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| author | Andrey Konovalov <andrey.konovalov@linaro.org> | 2012-07-11 21:53:59 +0400 |
|---|---|---|
| committer | Andrey Konovalov <andrey.konovalov@linaro.org> | 2012-07-11 21:53:59 +0400 |
| commit | f16f5280a9c36d47710017e5a9fffa467ade3a30 (patch) | |
| tree | 2624e53e7e9e6e90d64d581121870c79136a205f /include/linux/smpboot.h | |
| parent | 08b0e1b12f7c607f784e30105eb19cacb2f2b02b (diff) | |
| parent | ca789c61deb0219cd3fefdb26090bbc9701deada (diff) | |
Merge branch 'tracking-big-LITTLE-MP-v2' into merge-linux-linaro-core-trackingtracking-llct-ll-20120712.0tracking-llct-ll-20120711.0llct-20120711.0
Diffstat (limited to 'include/linux/smpboot.h')
| -rw-r--r-- | include/linux/smpboot.h | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/include/linux/smpboot.h b/include/linux/smpboot.h new file mode 100644 index 000000000000..3279bee98ef5 --- /dev/null +++ b/include/linux/smpboot.h @@ -0,0 +1,40 @@ +#ifndef _LINUX_SMPBOOT_H +#define _LINUX_SMPBOOT_H + +#include <linux/types.h> + +struct task_struct; +/* Cookie handed to the thread_fn*/ +struct smpboot_thread_data; + +/** + * struct smp_hotplug_thread - CPU hotplug related thread descriptor + * @store: Pointer to per cpu storage for the task pointers + * @list: List head for core management + * @thread_fn: The associated thread function + * @setup: Optional setup function, called when the thread gets + * operational the first time + * @cleanup: Optional cleanup function, called when the thread + * should stop (module exit) + * @park: Optional park function, called when the thread is + * parked (cpu offline) + * @unpark: Optional unpark function, called when the thread is + * unparked (cpu online) + * @thread_comm: The base name of the thread + */ +struct smp_hotplug_thread { + struct task_struct __percpu **store; + struct list_head list; + int (*thread_fn)(void *data); + void (*setup)(unsigned int cpu); + void (*cleanup)(unsigned int cpu, bool online); + void (*park)(unsigned int cpu); + void (*unpark)(unsigned int cpu); + const char *thread_comm; +}; + +int smpboot_register_percpu_thread(struct smp_hotplug_thread *plug_thread); +void smpboot_unregister_percpu_thread(struct smp_hotplug_thread *plug_thread); +int smpboot_thread_check_parking(struct smpboot_thread_data *td); + +#endif |