10ms
  *   ˆl–Ü4ý( ©³( 	Å€fàB¦-ÿÁƒ_†I|¥+ÁÀ ó    /* SPDX-License-Identifier: GPL-2.0 */
#undef TRACE_SYSTEM
#define TRACE_SYSTEM napi

#if !defined(_TRACE_NAPI_H) || defined(TRACE_HEADER_MULTI_READ)
#define _TRACE_NAPI_H

#include <linux/netdevice.h>
#include <linux/tracepoint.h>
#include <linux/ftrace.h>

#define NO_DEV "(no_device)"

TRACE_EVENT(napi_poll,

	TP_PROTO(struct napi_struct *napi, int work, int budget),

	TP_ARGS(napi, work, budget),

	TP_STRUCT__entry(
		__field(	struct napi_struct *,	napi)
		__string(	dev_name, napi->dev ? napi->dev->name : NO_DEV)
		__field(	int,			work)
		__field(	int,			budget)
	),

	TP_fast_assign(
		__entry->napi = napi;
		__assign_str(dev_name, napi->dev ? napi->dev->name : NO_DEV);
		__entry->work = work;
		__entry->budget = budget;
	),

	TP_printk("napi poll on napi struct %p for device %s work %d budget %d",
		  __entry->napi, __get_str(dev_name),
		  __entry->work, __entry->budget)
);

#undef NO_DEV

#endif /* _TRACE_NAPI_H */

/* This part must be outside protection */
#include <trace/define_trace.h>
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     ˆÁÄƒl À¾Â õ    /* SPDX-License-Identifier: GPL-2.0-or-later */
#ifndef __SOUND_TIMER_H
#define __SOUND_TIMER_H

/*
 *  Timer abstract layer
 *  Copyright (c) by Jaroslav Kysela <perex@perex.cz>,
 *		     Abramo Bagnara <abramo@alsa-project.org>
 */

#include <sound/asound.h>
#include <linux/interrupt.h>

#define snd_timer_chip(timer) ((timer)->private_data)

#define SNDRV_TIMER_DEVICES	16

#define SNDRV_TIMER_DEV_FLG_PCM	0x10000000

#define SNDRV_TIMER_HW_AUTO	0x00000001	/* auto trigger is supported */
#define SNDRV_TIMER_HW_STOP	0x00000002	/* call stop before start */
#define SNDRV_TIMER_HW_SLAVE	0x00000004	/* only slave timer (variable resolution) */
#define SNDRV_TIMER_HW_FIRST	0x00000008	/* first tick can be incomplete */
#define SNDRV_TIMER_HW_WORK	0x00000010	/* timer is called from work */

#define SNDRV_TIMER_IFLG_SLAVE	  0x00000001
#define SNDRV_TIMER_IFLG_RUNNING  0x00000002
#define SNDRV_TIMER_IFLG_START	  0x00000004
#define SNDRV_TIMER_IFLG_AUTO	  0x00000008	/* auto restart */
#define SNDRV_TIMER_IFLG_FAST	  0x00000010	/* fast callback (do not use work) */
#define SNDRV_TIMER_IFLG_CALLBACK 0x00000020	/* timer callback is active */
#define SNDRV_TIMER_IFLG_EXCLUSIVE 0x00000040	/* exclusive owner - no more instances */
#define SNDRV_TIMER_IFLG_EARLY_EVENT 0x00000080	/* write early event to the poll queue */

#define SNDRV_TIMER_FLG_CHANGE	0x00000001
#define SNDRV_TIMER_FLG_RESCHED	0x00000002	/* need reschedule */

struct snd_timer;

struct snd_timer_hardware {
	/* -- must be filled with low-level driver */
	unsigned int flags;		/* various flags */
	unsigned long resolution;	/* average timer resolution for one tick in nsec */
	unsigned long resolution_min;	/* minimal resolution */
	unsigned long resolution_max;	/* maximal resolution */
	unsigned long ticks;		/* max timer ticks per interrupt */
	/* -- low-level functions -- */
	int (*open) (struct snd_timer * timer);
	int (*close) (struct snd_timer * timer);
	unsigned long (*c_resolution) (struct snd_timer * timer);
	int (*start) (struct snd_timer * timer);
	int (*stop) (struct snd_timer * timer);
	int (*set_period) (struct snd_timer * timer, unsigned long period_num, unsigned long period_den);
	int (*precise_resolution) (struct snd_timer * timer, unsigned long *num, unsigned long *den);
};

struct snd_timer {
	int tmr_class;
	struct snd_card *card;
	struct module *module;
	int tmr_device;
	int tmr_subdevice;
	char id[64];
	char name[80];
	unsigned int flags;
	int running;			/* running instances */
	unsigned long sticks;		/* schedule ticks */
	void *private_data;
	void (*private_free) (struct snd_timer *timer);
	struct snd_timer_hardware hw;
	spinlock_t lock;
	struct list_head device_list;
	struct list_head open_list_head;
	struct list_head active_list_head;
	struct list_head ack_list_head;
	struct list_head sack_list_head; /* slow ack lis