mirror of https://github.com/Qortal/Brooklyn
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
49 lines
1.7 KiB
49 lines
1.7 KiB
/* SPDX-License-Identifier: GPL-2.0 */ |
|
#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_should_run: Check whether the thread should run or not. Called with |
|
* preemption disabled. |
|
* @thread_fn: The associated thread function |
|
* @create: Optional setup function, called when the thread gets |
|
* created (Not called from the thread context) |
|
* @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) |
|
* @selfparking: Thread is not parked by the park function. |
|
* @thread_comm: The base name of the thread |
|
*/ |
|
struct smp_hotplug_thread { |
|
struct task_struct * __percpu *store; |
|
struct list_head list; |
|
int (*thread_should_run)(unsigned int cpu); |
|
void (*thread_fn)(unsigned int cpu); |
|
void (*create)(unsigned int cpu); |
|
void (*setup)(unsigned int cpu); |
|
void (*cleanup)(unsigned int cpu, bool online); |
|
void (*park)(unsigned int cpu); |
|
void (*unpark)(unsigned int cpu); |
|
bool selfparking; |
|
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); |
|
|
|
#endif
|
|
|