diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/bloblist.h | 44 |
1 files changed, 26 insertions, 18 deletions
diff --git a/include/bloblist.h b/include/bloblist.h index 7024d7bf9e5..4ec4b3d449e 100644 --- a/include/bloblist.h +++ b/include/bloblist.h @@ -166,32 +166,33 @@ enum bloblist_tag_t { * from the last. * * @magic: BLOBLIST_MAGIC + * @chksum: checksum for the entire bloblist allocated area. Since any of the + * blobs can be altered after being created, this checksum is only valid + * when the bloblist is finalized before jumping to the next stage of boot. + * This is the value needed to make all checksummed bytes sum to 0 * @version: BLOBLIST_VERSION * @hdr_size: Size of this header, normally sizeof(struct bloblist_hdr). The * first bloblist_rec starts at this offset from the start of the header - * @flags: Space for BLOBLISTF... flags (none yet) - * @size: Total size of the bloblist (non-zero if valid) including this header. - * The bloblist extends for this many bytes from the start of this header. - * When adding new records, the bloblist can grow up to this size. - * @alloced: Total size allocated so far for this bloblist. This starts out as + * @align_log2: Power of two of the maximum alignment required by this list + * @used_size: Size allocated so far for this bloblist. This starts out as * sizeof(bloblist_hdr) since we need at least that much space to store a * valid bloblist + * @total_size: The number of total bytes that the bloblist can occupy. + * Any blob producer must check if there is sufficient space before adding + * a record to the bloblist. + * @flags: Space for BLOBLISTF... flags (none yet) * @spare: Spare space (for future use) - * @chksum: checksum for the entire bloblist allocated area. Since any of the - * blobs can be altered after being created, this checksum is only valid - * when the bloblist is finalised before jumping to the next stage of boot. - * This is the value needed to make all checksummed bytes sum to 0 */ struct bloblist_hdr { u32 magic; - u32 version; - u32 hdr_size; + u8 chksum; + u8 version; + u8 hdr_size; + u8 align_log2; + u32 used_size; + u32 total_size; u32 flags; - - u32 size; - u32 alloced; u32 spare; - u32 chksum; }; /** @@ -363,10 +364,10 @@ int bloblist_finish(void); * This returns useful information about the bloblist * * @basep: Returns base address of bloblist - * @sizep: Returns the number of bytes used in the bloblist - * @allocedp: Returns the total space allocated to the bloblist + * @tsizep: Returns the total number of bytes of the bloblist + * @usizep: Returns the number of used bytes of the bloblist */ -void bloblist_get_stats(ulong *basep, ulong *sizep, ulong *allocedp); +void bloblist_get_stats(ulong *basep, ulong *tsizep, ulong *usizep); /** * bloblist_get_base() - Get the base address of the bloblist @@ -383,6 +384,13 @@ ulong bloblist_get_base(void); ulong bloblist_get_size(void); /** + * bloblist_get_total_size() - Get the total size of the bloblist + * + * Return: the size in bytes + */ +ulong bloblist_get_total_size(void); + +/** * bloblist_show_stats() - Show information about the bloblist * * This shows useful information about the bloblist on the console |