1 files changed, 43 insertions, 0 deletions
diff --git a/src/include/ipxe/acpi.h b/src/include/ipxe/acpi.h
new file mode 100644
index 000000000..eabbec390
--- /dev/null
+++ b/src/include/ipxe/acpi.h
@@ -0,0 +1,43 @@
+#ifndef _IPXE_ACPI_H
+#define _IPXE_ACPI_H
+
+/** @file
+ *
+ * ACPI data structures
+ *
+ */
+
+FILE_LICENCE ( GPL2_OR_LATER );
+
+#include <stdint.h>
+
+/**
+ * An ACPI description header
+ *
+ * This is the structure common to the start of all ACPI system
+ * description tables.
+ */
+struct acpi_description_header {
+	/** ACPI signature (4 ASCII characters) */
+	char signature[4];
+	/** Length of table, in bytes, including header */
+	uint32_t length;
+	/** ACPI Specification minor version number */
+	uint8_t revision;
+	/** To make sum of entire table == 0 */
+	uint8_t checksum;
+	/** OEM identification */
+	char oem_id[6];
+	/** OEM table identification */
+	char oem_table_id[8];
+	/** OEM revision number */
+	uint32_t oem_revision;
+	/** ASL compiler vendor ID */
+	char asl_compiler_id[4];
+	/** ASL compiler revision number */
+	uint32_t asl_compiler_revision;
+} __attribute__ (( packed ));
+
+extern void acpi_fix_checksum ( struct acpi_description_header *acpi );
+
+#endif /* _IPXE_ACPI_H */