1// SPDX-License-Identifier: GPL-2.0
2#include <linux/kernel.h>
3#include "progress.h"
4
5static void null_progress__update(struct ui_progress *p __maybe_unused)
6{
7}
8
9static struct ui_progress_ops null_progress__ops =
10{
11	.update = null_progress__update,
12};
13
14struct ui_progress_ops *ui_progress__ops = &null_progress__ops;
15
16void 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
30void __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
43void ui_progress__finish(void)
44{
45	if (ui_progress__ops->finish)
46		ui_progress__ops->finish();
47}
48