+/*******************************************************************************
+ *
+ * DMAR - DMA Remapping table
+ *
+ ******************************************************************************/
+
+struct acpi_table_dmar {
+ struct acpi_table_header header; /* Common ACPI table header */
+ u8 width; /* Host Address Width */
+ u8 reserved[11];
+};
+
+/* DMAR subtable header */
+
+struct acpi_dmar_header {
+ u16 type;
+ u16 length;
+ u8 flags;
+ u8 reserved[3];
+};
+
+/* Values for subtable type in struct acpi_dmar_header */
+
+enum acpi_dmar_type {
+ ACPI_DMAR_TYPE_HARDWARE_UNIT = 0,
+ ACPI_DMAR_TYPE_RESERVED_MEMORY = 1,
+ ACPI_DMAR_TYPE_RESERVED = 2 /* 2 and greater are reserved */
+};
+
+struct acpi_dmar_device_scope {
+ u8 entry_type;
+ u8 length;
+ u8 segment;
+ u8 bus;
+};
+
+/* Values for entry_type in struct acpi_dmar_device_scope */
+
+enum acpi_dmar_scope_type {
+ ACPI_DMAR_SCOPE_TYPE_NOT_USED = 0,
+ ACPI_DMAR_SCOPE_TYPE_ENDPOINT = 1,
+ ACPI_DMAR_SCOPE_TYPE_BRIDGE = 2,
+ ACPI_DMAR_SCOPE_TYPE_RESERVED = 3 /* 3 and greater are reserved */
+};
+
+/*
+ * DMAR Sub-tables, correspond to Type in struct acpi_dmar_header
+ */
+
+/* 0: Hardware Unit Definition */
+
+struct acpi_dmar_hardware_unit {
+ struct acpi_dmar_header header;
+ u64 address; /* Register Base Address */
+};
+
+/* Flags */
+
+#define ACPI_DMAR_INCLUDE_ALL (1)
+
+/* 1: Reserved Memory Defininition */
+
+struct acpi_dmar_reserved_memory {
+ struct acpi_dmar_header header;
+ u64 address; /* 4_k aligned base address */
+ u64 end_address; /* 4_k aligned limit address */
+};
+
+/* Flags */
+
+#define ACPI_DMAR_ALLOW_ALL (1)
+