X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=include%2Fbloblist.h;h=9f007c7a94dfe41bd9a7a85fc346e17e3265985f;hb=49c8ef0e45a91ec894ef15e7d043dafe8f1c5efd;hp=6c37cd2a6390f454a6d50a6f6fb25d28dce92828;hpb=4aed22762303755f8f26d14f0ad2608d63550e72;p=platform%2Fkernel%2Fu-boot.git

diff --git a/include/bloblist.h b/include/bloblist.h
index 6c37cd2..9f007c7 100644
--- a/include/bloblist.h
+++ b/include/bloblist.h
@@ -36,6 +36,8 @@ enum bloblist_tag_t {
 	BLOBLISTT_INTEL_VBT,		/* Intel Video-BIOS table */
 	BLOBLISTT_TPM2_TCG_LOG,		/* TPM v2 log space */
 	BLOBLISTT_TCPA_LOG,		/* TPM log space */
+	BLOBLISTT_ACPI_TABLES,		/* ACPI tables for x86 */
+	BLOBLISTT_SMBIOS_TABLES,	/* SMBIOS tables for x86 */
 
 	BLOBLISTT_COUNT
 };
@@ -62,13 +64,13 @@ enum bloblist_tag_t {
  *	first bloblist_rec starts at this offset from the start of the header
  * @flags: Space for BLOBLISTF_... flags (none yet)
  * @magic: BLOBLIST_MAGIC
- * @size: Total size of all records (non-zero if valid) including this header.
+ * @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.
- * @alloced: Total size allocated for this bloblist. When adding new records,
- *	the bloblist can grow up to this size. This starts out as
+ *	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
  *	sizeof(bloblist_hdr) since we need at least that much space to store a
  *	valid bloblist
- * @spare: Space space
+ * @spare: Spare space (for future use)
  * @chksum: CRC32 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.
@@ -115,7 +117,7 @@ struct bloblist_rec {
  * Searches the bloblist and returns the blob with the matching tag
  *
  * @tag:	Tag to search for (enum bloblist_tag_t)
- * @size:	Expected size of the blob
+ * @size:	Expected size of the blob, or 0 for any size
  * @return pointer to blob if found, or NULL if not found, or a blob was found
  *	but it is the wrong size
  */
@@ -132,10 +134,11 @@ 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 +148,11 @@ 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
@@ -176,6 +180,19 @@ void *bloblist_ensure(uint tag, int size);
 int bloblist_ensure_size_ret(uint tag, int *sizep, void **blobp);
 
 /**
+ * bloblist_resize() - resize a blob
+ *
+ * Any blobs above this one are relocated up or down. The resized blob remains
+ * in the same place.
+ *
+ * @tag:	Tag to add (enum bloblist_tag_t)
+ * @new_size:	New size of the blob (>0 to expand, <0 to contract)
+ * @return 0 if OK, -ENOSPC if the bloblist does not have enough space, -ENOENT
+ *	if the tag is not found
+ */
+int bloblist_resize(uint tag, int new_size);
+
+/**
  * bloblist_new() - Create a new, empty bloblist of a given size
  *
  * @addr: Address of bloblist
@@ -213,6 +230,10 @@ int bloblist_finish(void);
  * bloblist_get_stats() - Get information about the bloblist
  *
  * 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
  */
 void bloblist_get_stats(ulong *basep, ulong *sizep, ulong *allocedp);
 
@@ -239,6 +260,16 @@ void bloblist_show_list(void);
 const char *bloblist_tag_name(enum bloblist_tag_t tag);
 
 /**
+ * bloblist_reloc() - Relocate the bloblist and optionally resize it
+ *
+ * @to: Pointer to new bloblist location (must not overlap old location)
+ * @to:size: New size for bloblist (must be larger than from_size)
+ * @from: Pointer to bloblist to relocate
+ * @from_size: Size of bloblist to relocate
+ */
+void bloblist_reloc(void *to, uint to_size, void *from, uint from_size);
+
+/**
  * bloblist_init() - Init the bloblist system with a single bloblist
  *
  * This uses CONFIG_BLOBLIST_ADDR and CONFIG_BLOBLIST_SIZE to set up a bloblist