libpayload: Extend CMOS access library

libpayload already contained a number of functions for convenient
access to CMOS configuration. Add functions to support iteration
over available enum fields.

Change-Id: If95f45d7223d2e19c42f1d8680c12d23f6890a01
Signed-off-by: Patrick Georgi <patrick.georgi@secunet.com>
Reviewed-on: http://review.coreboot.org/1538
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>

1 files changed, 7 insertions, 0 deletions

diff --git a/payloads/libpayload/include/libpayload.h b/payloads/libpayload/include/libpayload.h
index c67c659684..2deb9613a1 100644
--- a/payloads/libpayload/include/libpayload.h
+++ b/payloads/libpayload/include/libpayload.h
@@ -206,8 +206,15 @@ struct cb_cmos_option_table *get_system_option_table(void);
 int options_checksum_valid(const struct nvram_accessor *nvram);
 void fix_options_checksum_with(const struct nvram_accessor *nvram);
 void fix_options_checksum(void);
+
 struct cb_cmos_entries *first_cmos_entry(struct cb_cmos_option_table *option_table);
 struct cb_cmos_entries *next_cmos_entry(struct cb_cmos_entries *cur);
+
+struct cb_cmos_enums *first_cmos_enum(struct cb_cmos_option_table *option_table);
+struct cb_cmos_enums *next_cmos_enum(struct cb_cmos_enums *cmos_enum);
+struct cb_cmos_enums *first_cmos_enum_of_id(struct cb_cmos_option_table *option_table, int id);
+struct cb_cmos_enums *next_cmos_enum_of_id(struct cb_cmos_enums *cmos_enum, int id);
+
 int get_option_with(const struct nvram_accessor *nvram, struct cb_cmos_option_table *option_table, void *dest, const char *name);
 int get_option_from(struct cb_cmos_option_table *option_table, void *dest, const char *name);
 int get_option(void *dest, const char *name);