48 lines
		
	
	
		
			920 B
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			48 lines
		
	
	
		
			920 B
		
	
	
	
		
			C
		
	
	
	
	
	
| // SPDX-License-Identifier: GPL-2.0
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| #include <linux/kernel.h>
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| #include "progress.h"
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| 
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| static void null_progress__update(struct ui_progress *p __maybe_unused)
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| {
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| }
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| 
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| static struct ui_progress_ops null_progress__ops =
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| {
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| 	.update = null_progress__update,
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| };
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| 
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| struct ui_progress_ops *ui_progress__ops = &null_progress__ops;
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| 
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| void ui_progress__update(struct ui_progress *p, u64 adv)
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| {
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| 	u64 last = p->curr;
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| 
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| 	p->curr += adv;
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| 
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| 	if (p->curr >= p->next) {
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| 		u64 nr = DIV_ROUND_UP(p->curr - last, p->step);
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| 
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| 		p->next += nr * p->step;
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| 		ui_progress__ops->update(p);
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| 	}
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| }
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| 
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| void __ui_progress__init(struct ui_progress *p, u64 total,
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| 			 const char *title, bool size)
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| {
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| 	p->curr = 0;
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| 	p->next = p->step = total / 16 ?: 1;
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| 	p->total = total;
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| 	p->title = title;
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| 	p->size  = size;
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| 
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| 	if (ui_progress__ops->init)
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| 		ui_progress__ops->init(p);
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| }
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| 
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| void ui_progress__finish(void)
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| {
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| 	if (ui_progress__ops->finish)
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| 		ui_progress__ops->finish();
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| }
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