Add an API to search for the blobs with specified tag and use the hook function to apply the blob data.
Signed-off-by: Raymond Mao <[email protected]> --- common/bloblist.c | 36 ++++++++++++++++++++++++++++++++++++ include/bloblist.h | 19 +++++++++++++++++++ 2 files changed, 55 insertions(+) diff --git a/common/bloblist.c b/common/bloblist.c index ae5273785eb..47ba6913cfd 100644 --- a/common/bloblist.c +++ b/common/bloblist.c @@ -261,6 +261,42 @@ void *bloblist_get_blob(uint tag, int *sizep) return (void *)rec + rec_hdr_size(rec); } +int bloblist_apply_blobs(uint tag, int (*func)(void **data)) +{ + struct bloblist_hdr *hdr = gd->bloblist; + struct bloblist_rec *rec; + + if (!func || !hdr) + return -ENOENT; + + foreach_rec(rec, hdr) { + /* Apply all blobs with the specified tag */ + if (rec_tag(rec) == tag) { + int ret; + int tag = rec_tag(rec); + void *blob = (void *)rec + rec_hdr_size(rec); + + ret = func(&blob); + if (ret) { + log_err("Failed to apply blob with tag %d\n", + tag); + return ret; + } + + rec = rec_from_blob(blob); + if (rec <= 0) { + log_err("Blob corrupted\n"); + return -ENOENT; + } + + /* Mark applied blob record as void */ + void_blob(rec); + } + } + + return 0; +} + void *bloblist_add(uint tag, int size, int align_log2) { struct bloblist_rec *rec; diff --git a/include/bloblist.h b/include/bloblist.h index 0aaeb9ef7f1..62e4c5b220f 100644 --- a/include/bloblist.h +++ b/include/bloblist.h @@ -270,6 +270,25 @@ static inline void *bloblist_get_blob(uint tag, int *sizep) } #endif +#if CONFIG_IS_ENABLED(BLOBLIST) +/** + * bloblist_apply_blobs() - Apply the data of blobs by tag + * + * Scan the bloblist, find the blobs with the matching tag and apply the data + * of blobs + * + * @tag: Tag to search for (enum bloblist_tag_t) + * @func: Function to apply the data of blobs + * Return: 0 if OK, otherwise error. + */ +int bloblist_apply_blobs(uint tag, int (*func)(void **data)); +#else +static inline int bloblist_apply_blobs(uint tag, int (*func)(void **data)) +{ + return -EPERM; +} +#endif + /** * bloblist_find() - Find a blob * -- 2.25.1
