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 |