Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / ipxe / src / include / ipxe / acpi.h

diff --git a/qemu/roms/ipxe/src/include/ipxe/acpi.h b/qemu/roms/ipxe/src/include/ipxe/acpi.h
new file mode 100644 (file)
index 0000000..282b6d9
--- /dev/null
+++ b/qemu/roms/ipxe/src/include/ipxe/acpi.h
@@ -0,0 +1,63 @@
+#ifndef _IPXE_ACPI_H
+#define _IPXE_ACPI_H
+
+/** @file
+ *
+ * ACPI data structures
+ *
+ */
+
+FILE_LICENCE ( GPL2_OR_LATER );
+
+#include <stdint.h>
+#include <ipxe/interface.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) */
+       uint32_t signature;
+       /** 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 ));
+
+/**
+ * Build ACPI signature
+ *
+ * @v a                        First character of ACPI signature
+ * @v b                        Second character of ACPI signature
+ * @v c                        Third character of ACPI signature
+ * @v d                        Fourth character of ACPI signature
+ * @ret signature      ACPI signature
+ */
+#define ACPI_SIGNATURE( a, b, c, d ) \
+       ( ( (a) << 0 ) | ( (b) << 8 ) | ( (c) << 16 ) | ( (d) << 24 ) )
+
+extern int acpi_describe ( struct interface *interface,
+                          struct acpi_description_header *acpi, size_t len );
+#define acpi_describe_TYPE( object_type )                              \
+       typeof ( int ( object_type,                                     \
+                      struct acpi_description_header *acpi,            \
+                      size_t len ) )
+
+extern void acpi_fix_checksum ( struct acpi_description_header *acpi );
+
+#endif /* _IPXE_ACPI_H */