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-rw-r--r--src/include/cbmem.h18
1 files changed, 18 insertions, 0 deletions
diff --git a/src/include/cbmem.h b/src/include/cbmem.h
index 07e564539..08c1d647b 100644
--- a/src/include/cbmem.h
+++ b/src/include/cbmem.h
@@ -146,12 +146,30 @@ struct cbmem_entry;
*/
#define DYN_CBMEM_ALIGN_SIZE (4096)
+#define CBMEM_ROOT_SIZE DYN_CBMEM_ALIGN_SIZE
+
+/* The root region is at least DYN_CBMEM_ALIGN_SIZE . */
+#define CBMEM_ROOT_MIN_SIZE DYN_CBMEM_ALIGN_SIZE
+#define CBMEM_LG_ALIGN CBMEM_ROOT_MIN_SIZE
+
+/* Small allocation parameters. */
+#define CBMEM_SM_ROOT_SIZE 1024
+#define CBMEM_SM_ALIGN 32
+
+/* Determine the size for CBMEM root and the small allocations */
+static inline size_t cbmem_overhead_size(void)
+{
+ return 2 * CBMEM_ROOT_MIN_SIZE;
+}
/* By default cbmem is attempted to be recovered. Returns 0 if cbmem was
* recovered or 1 if cbmem had to be reinitialized. */
int cbmem_initialize(void);
+int cbmem_initialize_id_size(u32 id, u64 size);
+
/* Initialize cbmem to be empty. */
void cbmem_initialize_empty(void);
+void cbmem_initialize_empty_id_size(u32 id, u64 size);
/* Return the top address for dynamic cbmem. The address returned needs to
* be consistent across romstage and ramstage, and it is required to be