/* SPDX-License-Identifier: BSD-3-Clause * * Copyright 2017 NXP * */ #ifndef __DPAA_LIST_H #define __DPAA_LIST_H /****************/ /* Linked-lists */ /****************/ struct list_head { struct list_head *prev; struct list_head *next; }; #define COMPAT_LIST_HEAD(n) \ struct list_head n = { \ .prev = &n, \ .next = &n \ } #define INIT_LIST_HEAD(p) \ do { \ struct list_head *__p298 = (p); \ __p298->next = __p298; \ __p298->prev = __p298->next; \ } while (0) #define list_entry(node, type, member) \ (type *)((void *)node - offsetof(type, member)) #define list_empty(p) \ ({ \ const struct list_head *__p298 = (p); \ ((__p298->next == __p298) && (__p298->prev == __p298)); \ }) #define list_add(p, l) \ do { \ struct list_head *__p298 = (p); \ struct list_head *__l298 = (l); \ __p298->next = __l298->next; \ __p298->prev = __l298; \ __l298->next->prev = __p298; \ __l298->next = __p298; \ } while (0) #define list_add_tail(p, l) \ do { \ struct list_head *__p298 = (p); \ struct list_head *__l298 = (l); \ __p298->prev = __l298->prev; \ __p298->next = __l298; \ __l298->prev->next = __p298; \ __l298->prev = __p298; \ } while (0) #define list_for_each(i, l) \ for (i = (l)->next; i != (l); i = i->next) #define list_for_each_safe(i, j, l) \ for (i = (l)->next, j = i->next; i != (l); \ i = j, j = i->next) #define list_for_each_entry(i, l, name) \ for (i = list_entry((l)->next, typeof(*i), name); &i->name != (l); \ i = list_entry(i->name.next, typeof(*i), name)) #define list_for_each_entry_safe(i, j, l, name) \ for (i = list_entry((l)->next, typeof(*i), name), \ j = list_entry(i->name.next, typeof(*j), name); \ &i->name != (l); \ i = j, j = list_entry(j->name.next, typeof(*j), name)) #define list_del(i) \ do { \ (i)->next->prev = (i)->prev; \ (i)->prev->next = (i)->next; \ } while (0) #endif /* __DPAA_LIST_H */