[mirror_qemu.git] / include / qemu / thread-context.h

/*
 * QEMU Thread Context
 *
 * Copyright Red Hat Inc., 2022
 *
 * Authors:
 *  David Hildenbrand <david@redhat.com>
 *
 * This work is licensed under the terms of the GNU GPL, version 2 or later.
 * See the COPYING file in the top-level directory.
 */

#ifndef SYSEMU_THREAD_CONTEXT_H
#define SYSEMU_THREAD_CONTEXT_H

#include "qapi/qapi-types-machine.h"
#include "qemu/thread.h"
#include "qom/object.h"

#define TYPE_THREAD_CONTEXT "thread-context"
OBJECT_DECLARE_TYPE(ThreadContext, ThreadContextClass,
                    THREAD_CONTEXT)

struct ThreadContextClass {
    ObjectClass parent_class;
};

struct ThreadContext {
    /* private */
    Object parent;

    /* private */
    unsigned int thread_id;
    QemuThread thread;

    /* Semaphore to wait for context thread action. */
    QemuSemaphore sem;
    /* Semaphore to wait for action in context thread. */
    QemuSemaphore sem_thread;
    /* Mutex to synchronize requests. */
    QemuMutex mutex;

    /* Commands for the thread to execute. */
    int thread_cmd;
    void *thread_cmd_data;

    /* CPU affinity bitmap used for initialization. */
    unsigned long *init_cpu_bitmap;
    int init_cpu_nbits;
};

void thread_context_create_thread(ThreadContext *tc, QemuThread *thread,
                                  const char *name,
                                  void *(*start_routine)(void *), void *arg,
                                  int mode);

#endif /* SYSEMU_THREAD_CONTEXT_H */
Commit	Line	Data
e2de2c49 DH	1	/*
	2	* QEMU Thread Context
	3	*
	4	* Copyright Red Hat Inc., 2022
	5	*
	6	* Authors:
	7	* David Hildenbrand <david@redhat.com>
	8	*
	9	* This work is licensed under the terms of the GNU GPL, version 2 or later.
	10	* See the COPYING file in the top-level directory.
	11	*/
	12
	13	#ifndef SYSEMU_THREAD_CONTEXT_H
	14	#define SYSEMU_THREAD_CONTEXT_H
	15
	16	#include "qapi/qapi-types-machine.h"
	17	#include "qemu/thread.h"
	18	#include "qom/object.h"
	19
	20	#define TYPE_THREAD_CONTEXT "thread-context"
	21	OBJECT_DECLARE_TYPE(ThreadContext, ThreadContextClass,
	22	THREAD_CONTEXT)
	23
	24	struct ThreadContextClass {
	25	ObjectClass parent_class;
	26	};
	27
	28	struct ThreadContext {
	29	/* private */
	30	Object parent;
	31
	32	/* private */
	33	unsigned int thread_id;
	34	QemuThread thread;
	35
	36	/* Semaphore to wait for context thread action. */
	37	QemuSemaphore sem;
	38	/* Semaphore to wait for action in context thread. */
	39	QemuSemaphore sem_thread;
	40	/* Mutex to synchronize requests. */
	41	QemuMutex mutex;
	42
	43	/* Commands for the thread to execute. */
	44	int thread_cmd;
	45	void *thread_cmd_data;
	46
	47	/* CPU affinity bitmap used for initialization. */
	48	unsigned long *init_cpu_bitmap;
	49	int init_cpu_nbits;
	50	};
	51
	52	void thread_context_create_thread(ThreadContext tc, QemuThread thread,
	53	const char *name,
	54	void (start_routine)(void ), void arg,
	55	int mode);
	56
	57	#endif /* SYSEMU_THREAD_CONTEXT_H */