1  // SPDX-License-Identifier: GPL-2.0
2  #include <linux/kernel.h>
3  #include "progress.h"
4  
null_progress__update(struct ui_progress * p __maybe_unused)5  static void null_progress__update(struct ui_progress *p __maybe_unused)
6  {
7  }
8  
9  static struct ui_progress_ops null_progress__ops =
10  {
11  	.update = null_progress__update,
12  };
13  
14  struct ui_progress_ops *ui_progress__ops = &null_progress__ops;
15  
ui_progress__update(struct ui_progress * p,u64 adv)16  void ui_progress__update(struct ui_progress *p, u64 adv)
17  {
18  	u64 last = p->curr;
19  
20  	p->curr += adv;
21  
22  	if (p->curr >= p->next) {
23  		u64 nr = DIV_ROUND_UP(p->curr - last, p->step);
24  
25  		p->next += nr * p->step;
26  		ui_progress__ops->update(p);
27  	}
28  }
29  
__ui_progress__init(struct ui_progress * p,u64 total,const char * title,bool size)30  void __ui_progress__init(struct ui_progress *p, u64 total,
31  			 const char *title, bool size)
32  {
33  	p->curr = 0;
34  	p->next = p->step = total / 16 ?: 1;
35  	p->total = total;
36  	p->title = title;
37  	p->size  = size;
38  
39  	if (ui_progress__ops->init)
40  		ui_progress__ops->init(p);
41  }
42  
ui_progress__finish(void)43  void ui_progress__finish(void)
44  {
45  	if (ui_progress__ops->finish)
46  		ui_progress__ops->finish();
47  }
48