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