1 // SPDX-License-Identifier: GPL-2.0 2 #include <linux/kernel.h> 3 #include "../cache.h" 4 #include "progress.h" 5 6 static void null_progress__update(struct ui_progress *p __maybe_unused) 7 { 8 } 9 10 static struct ui_progress_ops null_progress__ops = 11 { 12 .update = null_progress__update, 13 }; 14 15 struct ui_progress_ops *ui_progress__ops = &null_progress__ops; 16 17 void 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 31 void __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 44 void ui_progress__finish(void) 45 { 46 if (ui_progress__ops->finish) 47 ui_progress__ops->finish(); 48 } 49