list: remove duplicated list.h
We accidently have two list implementations in the tree: include/list.h and include/linux/list.h. This patch moves the latter (newer one) to include/linux/list.h. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This commit is contained in:
parent
7aa3778f6d
commit
73d57b1d35
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@ -30,7 +30,7 @@
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#include <zlib.h>
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#include <init.h>
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#include <fs.h>
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#include <list.h>
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#include <linux/list.h>
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#include <xfuncs.h>
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#include <malloc.h>
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#include <fcntl.h>
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@ -30,7 +30,7 @@
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#include <xfuncs.h>
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#include <malloc.h>
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#include <environment.h>
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#include <list.h>
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#include <linux/list.h>
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#include <init.h>
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#include <complete.h>
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#include <linux/utsrelease.h>
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@ -20,7 +20,7 @@
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#include <common.h>
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#include <complete.h>
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#include <xfuncs.h>
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#include <list.h>
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#include <linux/list.h>
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#include <malloc.h>
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#include <fs.h>
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#include <linux/stat.h>
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@ -34,7 +34,7 @@
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#include <clock.h>
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#include <kfifo.h>
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#include <module.h>
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#include <list.h>
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#include <linux/list.h>
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LIST_HEAD(console_list);
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EXPORT_SYMBOL(console_list);
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@ -26,7 +26,7 @@
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#include <command.h>
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#include <fs.h>
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#include <kallsyms.h>
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#include <list.h>
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#include <linux/list.h>
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static unsigned int find_sec(Elf_Ehdr *hdr,
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Elf_Shdr *sechdrs,
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@ -2,7 +2,7 @@
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#define __BOOT_H
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#include <image.h>
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#include <list.h>
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#include <linux/list.h>
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struct image_data {
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struct image_handle *os;
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@ -27,7 +27,7 @@
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#ifndef __COMMAND_H
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#define __COMMAND_H
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#include <list.h>
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#include <linux/list.h>
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#ifndef NULL
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#define NULL 0
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@ -1,7 +1,7 @@
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#ifndef __COMPLETE_
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#define __COMPLETE_
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#include <list.h>
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#include <linux/list.h>
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int complete(char *instr, char **outstr);
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void complete_reset(void);
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@ -25,7 +25,7 @@
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#define _CONSOLE_H_
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#include <param.h>
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#include <list.h>
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#include <linux/list.h>
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#include <driver.h>
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#define CONSOLE_STDIN (1 << 0)
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@ -23,7 +23,7 @@
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#ifndef DRIVER_H
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#define DRIVER_H
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#include <list.h>
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#include <linux/list.h>
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#define MAX_DRIVER_NAME 32
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@ -1,11 +1,6 @@
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#ifndef _LINUX_LIST_H
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#define _LINUX_LIST_H
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#ifndef ARCH_HAS_PREFETCH
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#define ARCH_HAS_PREFETCH
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static inline void prefetch(const void *x) {;}
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#endif
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/*
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* Simple doubly linked list implementation.
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*
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@ -16,6 +11,10 @@ static inline void prefetch(const void *x) {;}
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* using the generic single-entry routines.
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*/
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#define LIST_POISON1 ((void *) 0x00100100)
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#define LIST_POISON2 ((void *) 0x00200200)
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static inline void prefetch(const void *x) {;}
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struct list_head {
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struct list_head *next, *prev;
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};
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@ -25,9 +24,11 @@ struct list_head {
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#define LIST_HEAD(name) \
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struct list_head name = LIST_HEAD_INIT(name)
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#define INIT_LIST_HEAD(ptr) do { \
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(ptr)->next = (ptr); (ptr)->prev = (ptr); \
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} while (0)
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static inline void INIT_LIST_HEAD(struct list_head *list)
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{
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list->next = list;
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list->prev = list;
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}
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/*
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* Insert a new entry between two known consecutive entries.
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@ -35,6 +36,7 @@ struct list_head {
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* This is only for internal list manipulation where we know
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* the prev/next entries already!
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*/
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#ifndef CONFIG_DEBUG_LIST
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static inline void __list_add(struct list_head *new,
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struct list_head *prev,
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struct list_head *next)
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@ -44,6 +46,11 @@ static inline void __list_add(struct list_head *new,
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new->prev = prev;
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prev->next = new;
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}
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#else
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extern void __list_add(struct list_head *new,
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struct list_head *prev,
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struct list_head *next);
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#endif
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/**
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* list_add - add a new entry
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@ -53,10 +60,15 @@ static inline void __list_add(struct list_head *new,
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* Insert a new entry after the specified head.
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* This is good for implementing stacks.
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*/
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#ifndef CONFIG_DEBUG_LIST
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static inline void list_add(struct list_head *new, struct list_head *head)
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{
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__list_add(new, head, head->next);
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}
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#else
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extern void list_add(struct list_head *new, struct list_head *head);
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#endif
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/**
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* list_add_tail - add a new entry
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@ -78,7 +90,7 @@ static inline void list_add_tail(struct list_head *new, struct list_head *head)
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* This is only for internal list manipulation where we know
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* the prev/next entries already!
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*/
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static inline void __list_del(struct list_head *prev, struct list_head *next)
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static inline void __list_del(struct list_head * prev, struct list_head * next)
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{
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next->prev = prev;
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prev->next = next;
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@ -87,13 +99,41 @@ static inline void __list_del(struct list_head *prev, struct list_head *next)
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/**
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* list_del - deletes entry from list.
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* @entry: the element to delete from the list.
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* Note: list_empty on entry does not return true after this, the entry is in an undefined state.
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* Note: list_empty() on entry does not return true after this, the entry is
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* in an undefined state.
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*/
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#ifndef CONFIG_DEBUG_LIST
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static inline void list_del(struct list_head *entry)
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{
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__list_del(entry->prev, entry->next);
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entry->next = (void *) 0;
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entry->prev = (void *) 0;
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entry->next = LIST_POISON1;
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entry->prev = LIST_POISON2;
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}
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#else
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extern void list_del(struct list_head *entry);
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#endif
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/**
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* list_replace - replace old entry by new one
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* @old : the element to be replaced
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* @new : the new element to insert
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*
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* If @old was empty, it will be overwritten.
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*/
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static inline void list_replace(struct list_head *old,
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struct list_head *new)
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{
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new->next = old->next;
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new->next->prev = new;
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new->prev = old->prev;
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new->prev->next = new;
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}
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static inline void list_replace_init(struct list_head *old,
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struct list_head *new)
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{
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list_replace(old, new);
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INIT_LIST_HEAD(old);
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}
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/**
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@ -129,15 +169,45 @@ static inline void list_move_tail(struct list_head *list,
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list_add_tail(list, head);
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}
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/**
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* list_is_last - tests whether @list is the last entry in list @head
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* @list: the entry to test
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* @head: the head of the list
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*/
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static inline int list_is_last(const struct list_head *list,
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const struct list_head *head)
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{
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return list->next == head;
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}
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/**
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* list_empty - tests whether a list is empty
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* @head: the list to test.
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*/
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static inline int list_empty(struct list_head *head)
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static inline int list_empty(const struct list_head *head)
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{
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return head->next == head;
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}
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/**
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* list_empty_careful - tests whether a list is empty and not being modified
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* @head: the list to test
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*
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* Description:
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* tests whether a list is empty _and_ checks that no other CPU might be
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* in the process of modifying either member (next or prev)
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*
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* NOTE: using list_empty_careful() without synchronization
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* can only be safe if the only activity that can happen
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* to the list entry is list_del_init(). Eg. it cannot be used
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* if another CPU could re-list_add() it.
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*/
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static inline int list_empty_careful(const struct list_head *head)
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{
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struct list_head *next = head->next;
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return (next == head) && (next == head->prev);
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}
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static inline void __list_splice(struct list_head *list,
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struct list_head *head)
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{
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@ -186,28 +256,53 @@ static inline void list_splice_init(struct list_head *list,
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* @member: the name of the list_struct within the struct.
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*/
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#define list_entry(ptr, type, member) \
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((type *)((char *)(ptr)-(unsigned long)(&((type *)0)->member)))
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container_of(ptr, type, member)
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/**
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* list_first_entry - get the first element from a list
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* @ptr: the list head to take the element from.
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* @type: the type of the struct this is embedded in.
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* @member: the name of the list_struct within the struct.
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*
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* Note, that list is expected to be not empty.
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*/
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#define list_first_entry(ptr, type, member) \
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list_entry((ptr)->next, type, member)
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/**
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* list_for_each - iterate over a list
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* @pos: the &struct list_head to use as a loop counter.
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* @pos: the &struct list_head to use as a loop cursor.
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* @head: the head for your list.
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*/
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#define list_for_each(pos, head) \
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for (pos = (head)->next, prefetch(pos->next); pos != (head); \
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pos = pos->next, prefetch(pos->next))
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for (pos = (head)->next; prefetch(pos->next), pos != (head); \
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pos = pos->next)
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/**
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* __list_for_each - iterate over a list
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* @pos: the &struct list_head to use as a loop cursor.
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* @head: the head for your list.
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*
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* This variant differs from list_for_each() in that it's the
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* simplest possible list iteration code, no prefetching is done.
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* Use this for code that knows the list to be very short (empty
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* or 1 entry) most of the time.
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*/
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#define __list_for_each(pos, head) \
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for (pos = (head)->next; pos != (head); pos = pos->next)
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/**
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* list_for_each_prev - iterate over a list backwards
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* @pos: the &struct list_head to use as a loop counter.
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* @pos: the &struct list_head to use as a loop cursor.
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* @head: the head for your list.
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*/
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#define list_for_each_prev(pos, head) \
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for (pos = (head)->prev, prefetch(pos->prev); pos != (head); \
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pos = pos->prev, prefetch(pos->prev))
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for (pos = (head)->prev; prefetch(pos->prev), pos != (head); \
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pos = pos->prev)
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/**
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* list_for_each_safe - iterate over a list safe against removal of list entry
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* @pos: the &struct list_head to use as a loop counter.
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* list_for_each_safe - iterate over a list safe against removal of list entry
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* @pos: the &struct list_head to use as a loop cursor.
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* @n: another &struct list_head to use as temporary storage
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* @head: the head for your list.
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*/
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/**
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* list_for_each_entry - iterate over list of given type
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* @pos: the type * to use as a loop counter.
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* @pos: the type * to use as a loop cursor.
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* @head: the head for your list.
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* @member: the name of the list_struct within the struct.
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*/
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#define list_for_each_entry(pos, head, member) \
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for (pos = list_entry((head)->next, typeof(*pos), member), \
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prefetch(pos->member.next); \
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&pos->member != (head); \
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pos = list_entry(pos->member.next, typeof(*pos), member), \
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prefetch(pos->member.next))
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for (pos = list_entry((head)->next, typeof(*pos), member); \
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prefetch(pos->member.next), &pos->member != (head); \
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pos = list_entry(pos->member.next, typeof(*pos), member))
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/**
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* list_for_each_entry_reverse - iterate backwards over list of given type.
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* @pos: the type * to use as a loop cursor.
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* @head: the head for your list.
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* @member: the name of the list_struct within the struct.
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*/
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#define list_for_each_entry_reverse(pos, head, member) \
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for (pos = list_entry((head)->prev, typeof(*pos), member); \
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prefetch(pos->member.prev), &pos->member != (head); \
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pos = list_entry(pos->member.prev, typeof(*pos), member))
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/**
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* list_prepare_entry - prepare a pos entry for use in list_for_each_entry_continue()
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* @pos: the type * to use as a start point
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* @head: the head of the list
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* @member: the name of the list_struct within the struct.
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*
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* Prepares a pos entry for use as a start point in list_for_each_entry_continue().
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*/
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#define list_prepare_entry(pos, head, member) \
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((pos) ? : list_entry(head, typeof(*pos), member))
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/**
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* list_for_each_entry_continue - continue iteration over list of given type
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* @pos: the type * to use as a loop cursor.
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* @head: the head for your list.
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* @member: the name of the list_struct within the struct.
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*
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* Continue to iterate over list of given type, continuing after
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* the current position.
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*/
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#define list_for_each_entry_continue(pos, head, member) \
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for (pos = list_entry(pos->member.next, typeof(*pos), member); \
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prefetch(pos->member.next), &pos->member != (head); \
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pos = list_entry(pos->member.next, typeof(*pos), member))
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/**
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* list_for_each_entry_from - iterate over list of given type from the current point
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* @pos: the type * to use as a loop cursor.
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* @head: the head for your list.
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* @member: the name of the list_struct within the struct.
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*
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* Iterate over list of given type, continuing from current position.
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*/
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#define list_for_each_entry_from(pos, head, member) \
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for (; prefetch(pos->member.next), &pos->member != (head); \
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pos = list_entry(pos->member.next, typeof(*pos), member))
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/**
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* list_for_each_entry_safe - iterate over list of given type safe against removal of list entry
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* @pos: the type * to use as a loop counter.
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* @pos: the type * to use as a loop cursor.
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* @n: another type * to use as temporary storage
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* @head: the head for your list.
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* @member: the name of the list_struct within the struct.
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*/
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#define list_for_each_entry_safe(pos, n, head, member) \
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for (pos = list_entry((head)->next, typeof(*pos), member), \
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n = list_entry(pos->member.next, typeof(*pos), member); \
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&pos->member != (head); \
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n = list_entry(pos->member.next, typeof(*pos), member); \
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&pos->member != (head); \
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pos = n, n = list_entry(n->member.next, typeof(*n), member))
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/**
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* list_for_each_entry_continue - iterate over list of given type
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* continuing after existing point
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* @pos: the type * to use as a loop counter.
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* list_for_each_entry_safe_continue
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* @pos: the type * to use as a loop cursor.
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* @n: another type * to use as temporary storage
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* @head: the head for your list.
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* @member: the name of the list_struct within the struct.
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*
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* Iterate over list of given type, continuing after current point,
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* safe against removal of list entry.
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*/
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#define list_for_each_entry_continue(pos, head, member) \
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for (pos = list_entry(pos->member.next, typeof(*pos), member), \
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prefetch(pos->member.next); \
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&pos->member != (head); \
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pos = list_entry(pos->member.next, typeof(*pos), member), \
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prefetch(pos->member.next))
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#define list_for_each_entry_safe_continue(pos, n, head, member) \
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for (pos = list_entry(pos->member.next, typeof(*pos), member), \
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n = list_entry(pos->member.next, typeof(*pos), member); \
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&pos->member != (head); \
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pos = n, n = list_entry(n->member.next, typeof(*n), member))
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/**
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* list_for_each_entry_safe_from
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* @pos: the type * to use as a loop cursor.
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* @n: another type * to use as temporary storage
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* @head: the head for your list.
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* @member: the name of the list_struct within the struct.
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*
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||||
* Iterate over list of given type from current point, safe against
|
||||
* removal of list entry.
|
||||
*/
|
||||
#define list_for_each_entry_safe_from(pos, n, head, member) \
|
||||
for (n = list_entry(pos->member.next, typeof(*pos), member); \
|
||||
&pos->member != (head); \
|
||||
pos = n, n = list_entry(n->member.next, typeof(*n), member))
|
||||
|
||||
/**
|
||||
* list_for_each_entry_safe_reverse
|
||||
* @pos: the type * to use as a loop cursor.
|
||||
* @n: another type * to use as temporary storage
|
||||
* @head: the head for your list.
|
||||
* @member: the name of the list_struct within the struct.
|
||||
*
|
||||
* Iterate backwards over list of given type, safe against removal
|
||||
* of list entry.
|
||||
*/
|
||||
#define list_for_each_entry_safe_reverse(pos, n, head, member) \
|
||||
for (pos = list_entry((head)->prev, typeof(*pos), member), \
|
||||
n = list_entry(pos->member.prev, typeof(*pos), member); \
|
||||
&pos->member != (head); \
|
||||
pos = n, n = list_entry(n->member.prev, typeof(*n), member))
|
||||
|
||||
/**
|
||||
* list_add_sort - add a new entry to a sorted list
|
||||
* @new: new entry to be added
|
||||
* @head: list head to add it in
|
||||
* @compare: Compare function to compare two list entries
|
||||
*
|
||||
* Insert a new entry before the specified head.
|
||||
* This is useful for implementing queues.
|
||||
*/
|
||||
static inline void list_add_sort(struct list_head *new, struct list_head *head,
|
||||
int (*compare)(struct list_head *a, struct list_head *b))
|
||||
{
|
||||
struct list_head *pos, *insert = head;
|
||||
|
||||
list_for_each(pos, head) {
|
||||
if (compare(pos, new) < 0)
|
||||
continue;
|
||||
insert = pos;
|
||||
break;
|
||||
}
|
||||
|
||||
list_add_tail(new, insert);
|
||||
}
|
||||
|
||||
/*
|
||||
* Double linked lists with a single pointer list head.
|
||||
* Mostly useful for hash tables where the two pointer list head is
|
||||
* too wasteful.
|
||||
* You lose the ability to access the tail in O(1).
|
||||
*/
|
||||
|
||||
struct hlist_head {
|
||||
struct hlist_node *first;
|
||||
};
|
||||
|
||||
struct hlist_node {
|
||||
struct hlist_node *next, **pprev;
|
||||
};
|
||||
|
||||
#define HLIST_HEAD_INIT { .first = NULL }
|
||||
#define HLIST_HEAD(name) struct hlist_head name = { .first = NULL }
|
||||
#define INIT_HLIST_HEAD(ptr) ((ptr)->first = NULL)
|
||||
static inline void INIT_HLIST_NODE(struct hlist_node *h)
|
||||
{
|
||||
h->next = NULL;
|
||||
h->pprev = NULL;
|
||||
}
|
||||
|
||||
static inline int hlist_unhashed(const struct hlist_node *h)
|
||||
{
|
||||
return !h->pprev;
|
||||
}
|
||||
|
||||
static inline int hlist_empty(const struct hlist_head *h)
|
||||
{
|
||||
return !h->first;
|
||||
}
|
||||
|
||||
static inline void __hlist_del(struct hlist_node *n)
|
||||
{
|
||||
struct hlist_node *next = n->next;
|
||||
struct hlist_node **pprev = n->pprev;
|
||||
*pprev = next;
|
||||
if (next)
|
||||
next->pprev = pprev;
|
||||
}
|
||||
|
||||
static inline void hlist_del(struct hlist_node *n)
|
||||
{
|
||||
__hlist_del(n);
|
||||
n->next = LIST_POISON1;
|
||||
n->pprev = LIST_POISON2;
|
||||
}
|
||||
|
||||
static inline void hlist_del_init(struct hlist_node *n)
|
||||
{
|
||||
if (!hlist_unhashed(n)) {
|
||||
__hlist_del(n);
|
||||
INIT_HLIST_NODE(n);
|
||||
}
|
||||
}
|
||||
|
||||
static inline void hlist_add_head(struct hlist_node *n, struct hlist_head *h)
|
||||
{
|
||||
struct hlist_node *first = h->first;
|
||||
n->next = first;
|
||||
if (first)
|
||||
first->pprev = &n->next;
|
||||
h->first = n;
|
||||
n->pprev = &h->first;
|
||||
}
|
||||
|
||||
/* next must be != NULL */
|
||||
static inline void hlist_add_before(struct hlist_node *n,
|
||||
struct hlist_node *next)
|
||||
{
|
||||
n->pprev = next->pprev;
|
||||
n->next = next;
|
||||
next->pprev = &n->next;
|
||||
*(n->pprev) = n;
|
||||
}
|
||||
|
||||
static inline void hlist_add_after(struct hlist_node *n,
|
||||
struct hlist_node *next)
|
||||
{
|
||||
next->next = n->next;
|
||||
n->next = next;
|
||||
next->pprev = &n->next;
|
||||
|
||||
if(next->next)
|
||||
next->next->pprev = &next->next;
|
||||
}
|
||||
|
||||
#define hlist_entry(ptr, type, member) container_of(ptr,type,member)
|
||||
|
||||
#define hlist_for_each(pos, head) \
|
||||
for (pos = (head)->first; pos && ({ prefetch(pos->next); 1; }); \
|
||||
pos = pos->next)
|
||||
|
||||
#define hlist_for_each_safe(pos, n, head) \
|
||||
for (pos = (head)->first; pos && ({ n = pos->next; 1; }); \
|
||||
pos = n)
|
||||
|
||||
/**
|
||||
* hlist_for_each_entry - iterate over list of given type
|
||||
* @tpos: the type * to use as a loop cursor.
|
||||
* @pos: the &struct hlist_node to use as a loop cursor.
|
||||
* @head: the head for your list.
|
||||
* @member: the name of the hlist_node within the struct.
|
||||
*/
|
||||
#define hlist_for_each_entry(tpos, pos, head, member) \
|
||||
for (pos = (head)->first; \
|
||||
pos && ({ prefetch(pos->next); 1;}) && \
|
||||
({ tpos = hlist_entry(pos, typeof(*tpos), member); 1;}); \
|
||||
pos = pos->next)
|
||||
|
||||
/**
|
||||
* hlist_for_each_entry_continue - iterate over a hlist continuing after current point
|
||||
* @tpos: the type * to use as a loop cursor.
|
||||
* @pos: the &struct hlist_node to use as a loop cursor.
|
||||
* @member: the name of the hlist_node within the struct.
|
||||
*/
|
||||
#define hlist_for_each_entry_continue(tpos, pos, member) \
|
||||
for (pos = (pos)->next; \
|
||||
pos && ({ prefetch(pos->next); 1;}) && \
|
||||
({ tpos = hlist_entry(pos, typeof(*tpos), member); 1;}); \
|
||||
pos = pos->next)
|
||||
|
||||
/**
|
||||
* hlist_for_each_entry_from - iterate over a hlist continuing from current point
|
||||
* @tpos: the type * to use as a loop cursor.
|
||||
* @pos: the &struct hlist_node to use as a loop cursor.
|
||||
* @member: the name of the hlist_node within the struct.
|
||||
*/
|
||||
#define hlist_for_each_entry_from(tpos, pos, member) \
|
||||
for (; pos && ({ prefetch(pos->next); 1;}) && \
|
||||
({ tpos = hlist_entry(pos, typeof(*tpos), member); 1;}); \
|
||||
pos = pos->next)
|
||||
|
||||
/**
|
||||
* hlist_for_each_entry_safe - iterate over list of given type safe against removal of list entry
|
||||
* @tpos: the type * to use as a loop cursor.
|
||||
* @pos: the &struct hlist_node to use as a loop cursor.
|
||||
* @n: another &struct hlist_node to use as temporary storage
|
||||
* @head: the head for your list.
|
||||
* @member: the name of the hlist_node within the struct.
|
||||
*/
|
||||
#define hlist_for_each_entry_safe(tpos, pos, n, head, member) \
|
||||
for (pos = (head)->first; \
|
||||
pos && ({ n = pos->next; 1; }) && \
|
||||
({ tpos = hlist_entry(pos, typeof(*tpos), member); 1;}); \
|
||||
pos = n)
|
||||
|
||||
#endif
|
||||
|
|
|
@ -11,7 +11,7 @@
|
|||
|
||||
#include <driver.h>
|
||||
#include <linux/types.h>
|
||||
#include <list.h>
|
||||
#include <linux/list.h>
|
||||
#include <linux/mtd/mtd-abi.h>
|
||||
|
||||
#define MTD_CHAR_MAJOR 90
|
||||
|
|
605
include/list.h
605
include/list.h
|
@ -1,605 +0,0 @@
|
|||
#ifndef _LINUX_LIST_H
|
||||
#define _LINUX_LIST_H
|
||||
|
||||
/*
|
||||
* Simple doubly linked list implementation.
|
||||
*
|
||||
* Some of the internal functions ("__xxx") are useful when
|
||||
* manipulating whole lists rather than single entries, as
|
||||
* sometimes we already know the next/prev entries and we can
|
||||
* generate better code by using them directly rather than
|
||||
* using the generic single-entry routines.
|
||||
*/
|
||||
|
||||
#define LIST_POISON1 ((void *) 0x00100100)
|
||||
#define LIST_POISON2 ((void *) 0x00200200)
|
||||
static inline void prefetch(const void *x) {;}
|
||||
|
||||
struct list_head {
|
||||
struct list_head *next, *prev;
|
||||
};
|
||||
|
||||
#define LIST_HEAD_INIT(name) { &(name), &(name) }
|
||||
|
||||
#define LIST_HEAD(name) \
|
||||
struct list_head name = LIST_HEAD_INIT(name)
|
||||
|
||||
static inline void INIT_LIST_HEAD(struct list_head *list)
|
||||
{
|
||||
list->next = list;
|
||||
list->prev = list;
|
||||
}
|
||||
|
||||
/*
|
||||
* Insert a new entry between two known consecutive entries.
|
||||
*
|
||||
* This is only for internal list manipulation where we know
|
||||
* the prev/next entries already!
|
||||
*/
|
||||
#ifndef CONFIG_DEBUG_LIST
|
||||
static inline void __list_add(struct list_head *new,
|
||||
struct list_head *prev,
|
||||
struct list_head *next)
|
||||
{
|
||||
next->prev = new;
|
||||
new->next = next;
|
||||
new->prev = prev;
|
||||
prev->next = new;
|
||||
}
|
||||
#else
|
||||
extern void __list_add(struct list_head *new,
|
||||
struct list_head *prev,
|
||||
struct list_head *next);
|
||||
#endif
|
||||
|
||||
/**
|
||||
* list_add - add a new entry
|
||||
* @new: new entry to be added
|
||||
* @head: list head to add it after
|
||||
*
|
||||
* Insert a new entry after the specified head.
|
||||
* This is good for implementing stacks.
|
||||
*/
|
||||
#ifndef CONFIG_DEBUG_LIST
|
||||
static inline void list_add(struct list_head *new, struct list_head *head)
|
||||
{
|
||||
__list_add(new, head, head->next);
|
||||
}
|
||||
#else
|
||||
extern void list_add(struct list_head *new, struct list_head *head);
|
||||
#endif
|
||||
|
||||
|
||||
/**
|
||||
* list_add_tail - add a new entry
|
||||
* @new: new entry to be added
|
||||
* @head: list head to add it before
|
||||
*
|
||||
* Insert a new entry before the specified head.
|
||||
* This is useful for implementing queues.
|
||||
*/
|
||||
static inline void list_add_tail(struct list_head *new, struct list_head *head)
|
||||
{
|
||||
__list_add(new, head->prev, head);
|
||||
}
|
||||
|
||||
/*
|
||||
* Delete a list entry by making the prev/next entries
|
||||
* point to each other.
|
||||
*
|
||||
* This is only for internal list manipulation where we know
|
||||
* the prev/next entries already!
|
||||
*/
|
||||
static inline void __list_del(struct list_head * prev, struct list_head * next)
|
||||
{
|
||||
next->prev = prev;
|
||||
prev->next = next;
|
||||
}
|
||||
|
||||
/**
|
||||
* list_del - deletes entry from list.
|
||||
* @entry: the element to delete from the list.
|
||||
* Note: list_empty() on entry does not return true after this, the entry is
|
||||
* in an undefined state.
|
||||
*/
|
||||
#ifndef CONFIG_DEBUG_LIST
|
||||
static inline void list_del(struct list_head *entry)
|
||||
{
|
||||
__list_del(entry->prev, entry->next);
|
||||
entry->next = LIST_POISON1;
|
||||
entry->prev = LIST_POISON2;
|
||||
}
|
||||
#else
|
||||
extern void list_del(struct list_head *entry);
|
||||
#endif
|
||||
|
||||
/**
|
||||
* list_replace - replace old entry by new one
|
||||
* @old : the element to be replaced
|
||||
* @new : the new element to insert
|
||||
*
|
||||
* If @old was empty, it will be overwritten.
|
||||
*/
|
||||
static inline void list_replace(struct list_head *old,
|
||||
struct list_head *new)
|
||||
{
|
||||
new->next = old->next;
|
||||
new->next->prev = new;
|
||||
new->prev = old->prev;
|
||||
new->prev->next = new;
|
||||
}
|
||||
|
||||
static inline void list_replace_init(struct list_head *old,
|
||||
struct list_head *new)
|
||||
{
|
||||
list_replace(old, new);
|
||||
INIT_LIST_HEAD(old);
|
||||
}
|
||||
|
||||
/**
|
||||
* list_del_init - deletes entry from list and reinitialize it.
|
||||
* @entry: the element to delete from the list.
|
||||
*/
|
||||
static inline void list_del_init(struct list_head *entry)
|
||||
{
|
||||
__list_del(entry->prev, entry->next);
|
||||
INIT_LIST_HEAD(entry);
|
||||
}
|
||||
|
||||
/**
|
||||
* list_move - delete from one list and add as another's head
|
||||
* @list: the entry to move
|
||||
* @head: the head that will precede our entry
|
||||
*/
|
||||
static inline void list_move(struct list_head *list, struct list_head *head)
|
||||
{
|
||||
__list_del(list->prev, list->next);
|
||||
list_add(list, head);
|
||||
}
|
||||
|
||||
/**
|
||||
* list_move_tail - delete from one list and add as another's tail
|
||||
* @list: the entry to move
|
||||
* @head: the head that will follow our entry
|
||||
*/
|
||||
static inline void list_move_tail(struct list_head *list,
|
||||
struct list_head *head)
|
||||
{
|
||||
__list_del(list->prev, list->next);
|
||||
list_add_tail(list, head);
|
||||
}
|
||||
|
||||
/**
|
||||
* list_is_last - tests whether @list is the last entry in list @head
|
||||
* @list: the entry to test
|
||||
* @head: the head of the list
|
||||
*/
|
||||
static inline int list_is_last(const struct list_head *list,
|
||||
const struct list_head *head)
|
||||
{
|
||||
return list->next == head;
|
||||
}
|
||||
|
||||
/**
|
||||
* list_empty - tests whether a list is empty
|
||||
* @head: the list to test.
|
||||
*/
|
||||
static inline int list_empty(const struct list_head *head)
|
||||
{
|
||||
return head->next == head;
|
||||
}
|
||||
|
||||
/**
|
||||
* list_empty_careful - tests whether a list is empty and not being modified
|
||||
* @head: the list to test
|
||||
*
|
||||
* Description:
|
||||
* tests whether a list is empty _and_ checks that no other CPU might be
|
||||
* in the process of modifying either member (next or prev)
|
||||
*
|
||||
* NOTE: using list_empty_careful() without synchronization
|
||||
* can only be safe if the only activity that can happen
|
||||
* to the list entry is list_del_init(). Eg. it cannot be used
|
||||
* if another CPU could re-list_add() it.
|
||||
*/
|
||||
static inline int list_empty_careful(const struct list_head *head)
|
||||
{
|
||||
struct list_head *next = head->next;
|
||||
return (next == head) && (next == head->prev);
|
||||
}
|
||||
|
||||
static inline void __list_splice(struct list_head *list,
|
||||
struct list_head *head)
|
||||
{
|
||||
struct list_head *first = list->next;
|
||||
struct list_head *last = list->prev;
|
||||
struct list_head *at = head->next;
|
||||
|
||||
first->prev = head;
|
||||
head->next = first;
|
||||
|
||||
last->next = at;
|
||||
at->prev = last;
|
||||
}
|
||||
|
||||
/**
|
||||
* list_splice - join two lists
|
||||
* @list: the new list to add.
|
||||
* @head: the place to add it in the first list.
|
||||
*/
|
||||
static inline void list_splice(struct list_head *list, struct list_head *head)
|
||||
{
|
||||
if (!list_empty(list))
|
||||
__list_splice(list, head);
|
||||
}
|
||||
|
||||
/**
|
||||
* list_splice_init - join two lists and reinitialise the emptied list.
|
||||
* @list: the new list to add.
|
||||
* @head: the place to add it in the first list.
|
||||
*
|
||||
* The list at @list is reinitialised
|
||||
*/
|
||||
static inline void list_splice_init(struct list_head *list,
|
||||
struct list_head *head)
|
||||
{
|
||||
if (!list_empty(list)) {
|
||||
__list_splice(list, head);
|
||||
INIT_LIST_HEAD(list);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* list_entry - get the struct for this entry
|
||||
* @ptr: the &struct list_head pointer.
|
||||
* @type: the type of the struct this is embedded in.
|
||||
* @member: the name of the list_struct within the struct.
|
||||
*/
|
||||
#define list_entry(ptr, type, member) \
|
||||
container_of(ptr, type, member)
|
||||
|
||||
/**
|
||||
* list_first_entry - get the first element from a list
|
||||
* @ptr: the list head to take the element from.
|
||||
* @type: the type of the struct this is embedded in.
|
||||
* @member: the name of the list_struct within the struct.
|
||||
*
|
||||
* Note, that list is expected to be not empty.
|
||||
*/
|
||||
#define list_first_entry(ptr, type, member) \
|
||||
list_entry((ptr)->next, type, member)
|
||||
|
||||
/**
|
||||
* list_for_each - iterate over a list
|
||||
* @pos: the &struct list_head to use as a loop cursor.
|
||||
* @head: the head for your list.
|
||||
*/
|
||||
#define list_for_each(pos, head) \
|
||||
for (pos = (head)->next; prefetch(pos->next), pos != (head); \
|
||||
pos = pos->next)
|
||||
|
||||
/**
|
||||
* __list_for_each - iterate over a list
|
||||
* @pos: the &struct list_head to use as a loop cursor.
|
||||
* @head: the head for your list.
|
||||
*
|
||||
* This variant differs from list_for_each() in that it's the
|
||||
* simplest possible list iteration code, no prefetching is done.
|
||||
* Use this for code that knows the list to be very short (empty
|
||||
* or 1 entry) most of the time.
|
||||
*/
|
||||
#define __list_for_each(pos, head) \
|
||||
for (pos = (head)->next; pos != (head); pos = pos->next)
|
||||
|
||||
/**
|
||||
* list_for_each_prev - iterate over a list backwards
|
||||
* @pos: the &struct list_head to use as a loop cursor.
|
||||
* @head: the head for your list.
|
||||
*/
|
||||
#define list_for_each_prev(pos, head) \
|
||||
for (pos = (head)->prev; prefetch(pos->prev), pos != (head); \
|
||||
pos = pos->prev)
|
||||
|
||||
/**
|
||||
* list_for_each_safe - iterate over a list safe against removal of list entry
|
||||
* @pos: the &struct list_head to use as a loop cursor.
|
||||
* @n: another &struct list_head to use as temporary storage
|
||||
* @head: the head for your list.
|
||||
*/
|
||||
#define list_for_each_safe(pos, n, head) \
|
||||
for (pos = (head)->next, n = pos->next; pos != (head); \
|
||||
pos = n, n = pos->next)
|
||||
|
||||
/**
|
||||
* list_for_each_entry - iterate over list of given type
|
||||
* @pos: the type * to use as a loop cursor.
|
||||
* @head: the head for your list.
|
||||
* @member: the name of the list_struct within the struct.
|
||||
*/
|
||||
#define list_for_each_entry(pos, head, member) \
|
||||
for (pos = list_entry((head)->next, typeof(*pos), member); \
|
||||
prefetch(pos->member.next), &pos->member != (head); \
|
||||
pos = list_entry(pos->member.next, typeof(*pos), member))
|
||||
|
||||
/**
|
||||
* list_for_each_entry_reverse - iterate backwards over list of given type.
|
||||
* @pos: the type * to use as a loop cursor.
|
||||
* @head: the head for your list.
|
||||
* @member: the name of the list_struct within the struct.
|
||||
*/
|
||||
#define list_for_each_entry_reverse(pos, head, member) \
|
||||
for (pos = list_entry((head)->prev, typeof(*pos), member); \
|
||||
prefetch(pos->member.prev), &pos->member != (head); \
|
||||
pos = list_entry(pos->member.prev, typeof(*pos), member))
|
||||
|
||||
/**
|
||||
* list_prepare_entry - prepare a pos entry for use in list_for_each_entry_continue()
|
||||
* @pos: the type * to use as a start point
|
||||
* @head: the head of the list
|
||||
* @member: the name of the list_struct within the struct.
|
||||
*
|
||||
* Prepares a pos entry for use as a start point in list_for_each_entry_continue().
|
||||
*/
|
||||
#define list_prepare_entry(pos, head, member) \
|
||||
((pos) ? : list_entry(head, typeof(*pos), member))
|
||||
|
||||
/**
|
||||
* list_for_each_entry_continue - continue iteration over list of given type
|
||||
* @pos: the type * to use as a loop cursor.
|
||||
* @head: the head for your list.
|
||||
* @member: the name of the list_struct within the struct.
|
||||
*
|
||||
* Continue to iterate over list of given type, continuing after
|
||||
* the current position.
|
||||
*/
|
||||
#define list_for_each_entry_continue(pos, head, member) \
|
||||
for (pos = list_entry(pos->member.next, typeof(*pos), member); \
|
||||
prefetch(pos->member.next), &pos->member != (head); \
|
||||
pos = list_entry(pos->member.next, typeof(*pos), member))
|
||||
|
||||
/**
|
||||
* list_for_each_entry_from - iterate over list of given type from the current point
|
||||
* @pos: the type * to use as a loop cursor.
|
||||
* @head: the head for your list.
|
||||
* @member: the name of the list_struct within the struct.
|
||||
*
|
||||
* Iterate over list of given type, continuing from current position.
|
||||
*/
|
||||
#define list_for_each_entry_from(pos, head, member) \
|
||||
for (; prefetch(pos->member.next), &pos->member != (head); \
|
||||
pos = list_entry(pos->member.next, typeof(*pos), member))
|
||||
|
||||
/**
|
||||
* list_for_each_entry_safe - iterate over list of given type safe against removal of list entry
|
||||
* @pos: the type * to use as a loop cursor.
|
||||
* @n: another type * to use as temporary storage
|
||||
* @head: the head for your list.
|
||||
* @member: the name of the list_struct within the struct.
|
||||
*/
|
||||
#define list_for_each_entry_safe(pos, n, head, member) \
|
||||
for (pos = list_entry((head)->next, typeof(*pos), member), \
|
||||
n = list_entry(pos->member.next, typeof(*pos), member); \
|
||||
&pos->member != (head); \
|
||||
pos = n, n = list_entry(n->member.next, typeof(*n), member))
|
||||
|
||||
/**
|
||||
* list_for_each_entry_safe_continue
|
||||
* @pos: the type * to use as a loop cursor.
|
||||
* @n: another type * to use as temporary storage
|
||||
* @head: the head for your list.
|
||||
* @member: the name of the list_struct within the struct.
|
||||
*
|
||||
* Iterate over list of given type, continuing after current point,
|
||||
* safe against removal of list entry.
|
||||
*/
|
||||
#define list_for_each_entry_safe_continue(pos, n, head, member) \
|
||||
for (pos = list_entry(pos->member.next, typeof(*pos), member), \
|
||||
n = list_entry(pos->member.next, typeof(*pos), member); \
|
||||
&pos->member != (head); \
|
||||
pos = n, n = list_entry(n->member.next, typeof(*n), member))
|
||||
|
||||
/**
|
||||
* list_for_each_entry_safe_from
|
||||
* @pos: the type * to use as a loop cursor.
|
||||
* @n: another type * to use as temporary storage
|
||||
* @head: the head for your list.
|
||||
* @member: the name of the list_struct within the struct.
|
||||
*
|
||||
* Iterate over list of given type from current point, safe against
|
||||
* removal of list entry.
|
||||
*/
|
||||
#define list_for_each_entry_safe_from(pos, n, head, member) \
|
||||
for (n = list_entry(pos->member.next, typeof(*pos), member); \
|
||||
&pos->member != (head); \
|
||||
pos = n, n = list_entry(n->member.next, typeof(*n), member))
|
||||
|
||||
/**
|
||||
* list_for_each_entry_safe_reverse
|
||||
* @pos: the type * to use as a loop cursor.
|
||||
* @n: another type * to use as temporary storage
|
||||
* @head: the head for your list.
|
||||
* @member: the name of the list_struct within the struct.
|
||||
*
|
||||
* Iterate backwards over list of given type, safe against removal
|
||||
* of list entry.
|
||||
*/
|
||||
#define list_for_each_entry_safe_reverse(pos, n, head, member) \
|
||||
for (pos = list_entry((head)->prev, typeof(*pos), member), \
|
||||
n = list_entry(pos->member.prev, typeof(*pos), member); \
|
||||
&pos->member != (head); \
|
||||
pos = n, n = list_entry(n->member.prev, typeof(*n), member))
|
||||
|
||||
/**
|
||||
* list_add_sort - add a new entry to a sorted list
|
||||
* @new: new entry to be added
|
||||
* @head: list head to add it in
|
||||
* @compare: Compare function to compare two list entries
|
||||
*
|
||||
* Insert a new entry before the specified head.
|
||||
* This is useful for implementing queues.
|
||||
*/
|
||||
static inline void list_add_sort(struct list_head *new, struct list_head *head,
|
||||
int (*compare)(struct list_head *a, struct list_head *b))
|
||||
{
|
||||
struct list_head *pos, *insert = head;
|
||||
|
||||
list_for_each(pos, head) {
|
||||
if (compare(pos, new) < 0)
|
||||
continue;
|
||||
insert = pos;
|
||||
break;
|
||||
}
|
||||
|
||||
list_add_tail(new, insert);
|
||||
}
|
||||
|
||||
/*
|
||||
* Double linked lists with a single pointer list head.
|
||||
* Mostly useful for hash tables where the two pointer list head is
|
||||
* too wasteful.
|
||||
* You lose the ability to access the tail in O(1).
|
||||
*/
|
||||
|
||||
struct hlist_head {
|
||||
struct hlist_node *first;
|
||||
};
|
||||
|
||||
struct hlist_node {
|
||||
struct hlist_node *next, **pprev;
|
||||
};
|
||||
|
||||
#define HLIST_HEAD_INIT { .first = NULL }
|
||||
#define HLIST_HEAD(name) struct hlist_head name = { .first = NULL }
|
||||
#define INIT_HLIST_HEAD(ptr) ((ptr)->first = NULL)
|
||||
static inline void INIT_HLIST_NODE(struct hlist_node *h)
|
||||
{
|
||||
h->next = NULL;
|
||||
h->pprev = NULL;
|
||||
}
|
||||
|
||||
static inline int hlist_unhashed(const struct hlist_node *h)
|
||||
{
|
||||
return !h->pprev;
|
||||
}
|
||||
|
||||
static inline int hlist_empty(const struct hlist_head *h)
|
||||
{
|
||||
return !h->first;
|
||||
}
|
||||
|
||||
static inline void __hlist_del(struct hlist_node *n)
|
||||
{
|
||||
struct hlist_node *next = n->next;
|
||||
struct hlist_node **pprev = n->pprev;
|
||||
*pprev = next;
|
||||
if (next)
|
||||
next->pprev = pprev;
|
||||
}
|
||||
|
||||
static inline void hlist_del(struct hlist_node *n)
|
||||
{
|
||||
__hlist_del(n);
|
||||
n->next = LIST_POISON1;
|
||||
n->pprev = LIST_POISON2;
|
||||
}
|
||||
|
||||
static inline void hlist_del_init(struct hlist_node *n)
|
||||
{
|
||||
if (!hlist_unhashed(n)) {
|
||||
__hlist_del(n);
|
||||
INIT_HLIST_NODE(n);
|
||||
}
|
||||
}
|
||||
|
||||
static inline void hlist_add_head(struct hlist_node *n, struct hlist_head *h)
|
||||
{
|
||||
struct hlist_node *first = h->first;
|
||||
n->next = first;
|
||||
if (first)
|
||||
first->pprev = &n->next;
|
||||
h->first = n;
|
||||
n->pprev = &h->first;
|
||||
}
|
||||
|
||||
/* next must be != NULL */
|
||||
static inline void hlist_add_before(struct hlist_node *n,
|
||||
struct hlist_node *next)
|
||||
{
|
||||
n->pprev = next->pprev;
|
||||
n->next = next;
|
||||
next->pprev = &n->next;
|
||||
*(n->pprev) = n;
|
||||
}
|
||||
|
||||
static inline void hlist_add_after(struct hlist_node *n,
|
||||
struct hlist_node *next)
|
||||
{
|
||||
next->next = n->next;
|
||||
n->next = next;
|
||||
next->pprev = &n->next;
|
||||
|
||||
if(next->next)
|
||||
next->next->pprev = &next->next;
|
||||
}
|
||||
|
||||
#define hlist_entry(ptr, type, member) container_of(ptr,type,member)
|
||||
|
||||
#define hlist_for_each(pos, head) \
|
||||
for (pos = (head)->first; pos && ({ prefetch(pos->next); 1; }); \
|
||||
pos = pos->next)
|
||||
|
||||
#define hlist_for_each_safe(pos, n, head) \
|
||||
for (pos = (head)->first; pos && ({ n = pos->next; 1; }); \
|
||||
pos = n)
|
||||
|
||||
/**
|
||||
* hlist_for_each_entry - iterate over list of given type
|
||||
* @tpos: the type * to use as a loop cursor.
|
||||
* @pos: the &struct hlist_node to use as a loop cursor.
|
||||
* @head: the head for your list.
|
||||
* @member: the name of the hlist_node within the struct.
|
||||
*/
|
||||
#define hlist_for_each_entry(tpos, pos, head, member) \
|
||||
for (pos = (head)->first; \
|
||||
pos && ({ prefetch(pos->next); 1;}) && \
|
||||
({ tpos = hlist_entry(pos, typeof(*tpos), member); 1;}); \
|
||||
pos = pos->next)
|
||||
|
||||
/**
|
||||
* hlist_for_each_entry_continue - iterate over a hlist continuing after current point
|
||||
* @tpos: the type * to use as a loop cursor.
|
||||
* @pos: the &struct hlist_node to use as a loop cursor.
|
||||
* @member: the name of the hlist_node within the struct.
|
||||
*/
|
||||
#define hlist_for_each_entry_continue(tpos, pos, member) \
|
||||
for (pos = (pos)->next; \
|
||||
pos && ({ prefetch(pos->next); 1;}) && \
|
||||
({ tpos = hlist_entry(pos, typeof(*tpos), member); 1;}); \
|
||||
pos = pos->next)
|
||||
|
||||
/**
|
||||
* hlist_for_each_entry_from - iterate over a hlist continuing from current point
|
||||
* @tpos: the type * to use as a loop cursor.
|
||||
* @pos: the &struct hlist_node to use as a loop cursor.
|
||||
* @member: the name of the hlist_node within the struct.
|
||||
*/
|
||||
#define hlist_for_each_entry_from(tpos, pos, member) \
|
||||
for (; pos && ({ prefetch(pos->next); 1;}) && \
|
||||
({ tpos = hlist_entry(pos, typeof(*tpos), member); 1;}); \
|
||||
pos = pos->next)
|
||||
|
||||
/**
|
||||
* hlist_for_each_entry_safe - iterate over list of given type safe against removal of list entry
|
||||
* @tpos: the type * to use as a loop cursor.
|
||||
* @pos: the &struct hlist_node to use as a loop cursor.
|
||||
* @n: another &struct hlist_node to use as temporary storage
|
||||
* @head: the head for your list.
|
||||
* @member: the name of the hlist_node within the struct.
|
||||
*/
|
||||
#define hlist_for_each_entry_safe(tpos, pos, n, head, member) \
|
||||
for (pos = (head)->first; \
|
||||
pos && ({ n = pos->next; 1; }) && \
|
||||
({ tpos = hlist_entry(pos, typeof(*tpos), member); 1;}); \
|
||||
pos = n)
|
||||
|
||||
#endif
|
|
@ -3,7 +3,7 @@
|
|||
|
||||
#include <elf.h>
|
||||
#include <linux/compiler.h>
|
||||
#include <list.h>
|
||||
#include <linux/list.h>
|
||||
|
||||
#ifndef MODULE_SYMBOL_PREFIX
|
||||
#define MODULE_SYMBOL_PREFIX
|
||||
|
|
|
@ -1,7 +1,7 @@
|
|||
#ifndef __STRING_H
|
||||
#define __STRING_H
|
||||
|
||||
#include <list.h>
|
||||
#include <linux/list.h>
|
||||
|
||||
struct string_list {
|
||||
struct list_head list;
|
||||
|
|
|
@ -18,7 +18,7 @@
|
|||
#include <usb/ch9.h>
|
||||
#include <malloc.h>
|
||||
#include <errno.h>
|
||||
#include <list.h>
|
||||
#include <linux/list.h>
|
||||
|
||||
struct usb_ep;
|
||||
|
||||
|
|
|
@ -32,7 +32,7 @@
|
|||
#include <linux/ctype.h>
|
||||
#include <errno.h>
|
||||
#include <fs.h>
|
||||
#include <list.h>
|
||||
#include <linux/list.h>
|
||||
|
||||
LIST_HEAD(device_list);
|
||||
EXPORT_SYMBOL(device_list);
|
||||
|
|
|
@ -1,5 +1,5 @@
|
|||
#include <common.h>
|
||||
#include <list.h>
|
||||
#include <linux/list.h>
|
||||
#include <notifier.h>
|
||||
|
||||
int notifier_chain_register(struct notifier_head *nh, struct notifier_block *n)
|
||||
|
|
Loading…
Reference in New Issue