1 // SPDX-License-Identifier: GPL-2.0
2 #include <linux/kernel.h>
3 #include "progress.h"
4
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
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
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
43 void ui_progress__finish(void)
44 {
45 if (ui_progress__ops->finish)
46 ui_progress__ops->finish();
47 }
48
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.