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bloblist: Allow custom alignment for blobs

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Some blobs need a larger alignment than the default. For example, ACPI
tables often start at a 4KB boundary. Add support for this.

Update the size of the test blob to allow these larger records.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass
2020-09-19 18:49:29 -06:00
parent 751b7c7963
commit 4c1497e776
5 changed files with 59 additions and 25 deletions
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6
include/bloblist.h
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@@ -132,10 +132,11 @@ void *bloblist_find(uint tag, int size);
*
* @tag: Tag to add (enum bloblist_tag_t)
* @size: Size of the blob
* @align: Alignment of the blob (in bytes), 0 for default
* @return pointer to the newly added block, or NULL if there is not enough
* space for the blob
*/
void *bloblist_add(uint tag, int size);
void *bloblist_add(uint tag, int size, int align);
/**
* bloblist_ensure_size() - Find or add a blob
@@ -145,10 +146,11 @@ void *bloblist_add(uint tag, int size);
* @tag: Tag to add (enum bloblist_tag_t)
* @size: Size of the blob
* @blobp: Returns a pointer to blob on success
* @align: Alignment of the blob (in bytes), 0 for default
* @return 0 if OK, -ENOSPC if it is missing and could not be added due to lack
* of space, or -ESPIPE it exists but has the wrong size
*/
int bloblist_ensure_size(uint tag, int size, void **blobp);
int bloblist_ensure_size(uint tag, int size, int align, void **blobp);
/**
* bloblist_ensure() - Find or add a blob