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