Mirrors/opensbi
4
0
Fork 1
mirror of https://github.com/riscv-software-src/opensbi.git synced 2025-09-08 13:41:43 +01:00
Code Issues Packages Projects Releases Wiki Activity

lib: sbi_list: Add a helper for reverse list iteration

Browse Source 
Some use cases require iterating through a list in both directions.

Signed-off-by: Samuel Holland <samuel.holland@sifive.com>
Reviewed-by: Anup Patel <anup@brainfault.org>
Tested-by: Anup Patel <anup@brainfault.org>
Link: https://lore.kernel.org/r/20250617032306.1494528-2-samuel.holland@sifive.com
Signed-off-by: Anup Patel <anup@brainfault.org>
This commit is contained in:
Samuel Holland
2025-06-16 20:21:35 -07:00
committed by Anup Patel
parent 1ffbd063c4
commit 64a38525e6
1 changed files with 11 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

11
include/sbi/sbi_list.h
View File

@@ -173,4 +173,15 @@ static inline void sbi_list_del_init(struct sbi_dlist *entry)
&pos->member != (head); \
pos = n, n = sbi_list_entry(pos->member.next, typeof(*pos), member))
/**
* Iterate over list of given type in reverse order
* @param pos the type * to use as a loop cursor.
* @param head the head for your list.
* @param member the name of the list_struct within the struct.
*/
#define sbi_list_for_each_entry_reverse(pos, head, member) \
for (pos = sbi_list_entry((head)->prev, typeof(*pos), member); \
&pos->member != (head); \
pos = sbi_list_entry(pos->member.prev, typeof(*pos), member))
#endif