+#define CB_TAG_FORWARD 0x00011
+
+struct cb_forward {
+ u32 tag;
+ u32 size;
+ u64 forward;
+};
+
+#define CB_TAG_FRAMEBUFFER 0x0012
+struct cb_framebuffer {
+ u32 tag;
+ u32 size;
+
+ u64 physical_address;
+ u32 x_resolution;
+ u32 y_resolution;
+ u32 bytes_per_line;
+ u8 bits_per_pixel;
+ u8 red_mask_pos;
+ u8 red_mask_size;
+ u8 green_mask_pos;
+ u8 green_mask_size;
+ u8 blue_mask_pos;
+ u8 blue_mask_size;
+ u8 reserved_mask_pos;
+ u8 reserved_mask_size;
+};
+
+#define CB_TAG_CMOS_OPTION_TABLE 0x00c8
+struct cb_cmos_option_table {
+ u32 tag;
+ u32 size;
+ u32 header_length;
+};
+
+#define CB_TAG_OPTION 0x00c9
+#define CMOS_MAX_NAME_LENGTH 32
+struct cb_cmos_entries {
+ u32 tag;
+ u32 size;
+ u32 bit;
+ u32 length;
+ u32 config;
+ u32 config_id;
+ u8 name[CMOS_MAX_NAME_LENGTH];
+};
+
+
+#define CB_TAG_OPTION_ENUM 0x00ca
+#define CMOS_MAX_TEXT_LENGTH 32
+struct cb_cmos_enums {
+ u32 tag;
+ u32 size;
+ u32 config_id;
+ u32 value;
+ u8 text[CMOS_MAX_TEXT_LENGTH];
+};
+
+#define CB_TAG_OPTION_DEFAULTS 0x00cb
+#define CMOS_IMAGE_BUFFER_SIZE 128
+struct cb_cmos_defaults {
+ u32 tag;
+ u32 size;
+ u32 name_length;
+ u8 name[CMOS_MAX_NAME_LENGTH];
+ u8 default_set[CMOS_IMAGE_BUFFER_SIZE];
+};
+
+#define CB_TAG_OPTION_CHECKSUM 0x00cc
+#define CHECKSUM_NONE 0
+#define CHECKSUM_PCBIOS 1
+struct cb_cmos_checksum {
+ u32 tag;
+ u32 size;
+ u32 range_start;
+ u32 range_end;
+ u32 location;
+ u32 type;
+};
+
+/* Helpful inlines */
+
+static inline u64 cb_unpack64(struct cbuint64 val)
+{
+ return (((u64) val.hi) << 32) | val.lo;
+}
+
+static inline u16 cb_checksum(const void *ptr, unsigned len)
+{
+ return ipchksum(ptr, len);
+}