This commit was manufactured by cvs2svn to create branch 'vserver'.

[linux-2.6.git] / include / xen / interface / hvm / e820.h

diff --git a/include/xen/interface/hvm/e820.h b/include/xen/interface/hvm/e820.h
new file mode 100644 (file)
index 0000000..8190c76
--- /dev/null
+++ b/include/xen/interface/hvm/e820.h
@@ -0,0 +1,32 @@
+#ifndef __XEN_PUBLIC_HVM_E820_H__
+#define __XEN_PUBLIC_HVM_E820_H__
+
+/* PC BIOS standard E820 types. */
+#define E820_RAM          1
+#define E820_RESERVED     2
+#define E820_ACPI         3
+#define E820_NVS          4
+
+/* Xen HVM extended E820 types. */
+#define E820_IO          16
+#define E820_SHARED_PAGE 17
+#define E820_XENSTORE    18
+#define E820_BUFFERED_IO 19
+
+/* E820 location in HVM virtual address space. */
+#define E820_MAP_PAGE        0x00090000
+#define E820_MAP_NR_OFFSET   0x000001E8
+#define E820_MAP_OFFSET      0x000002D0
+
+struct e820entry {
+    uint64_t addr;
+    uint64_t size;
+    uint32_t type;
+} __attribute__((packed));
+
+#define HVM_BELOW_4G_RAM_END        0xF0000000
+
+#define HVM_BELOW_4G_MMIO_START     HVM_BELOW_4G_RAM_END
+#define HVM_BELOW_4G_MMIO_LENGTH    ((1ULL << 32) - HVM_BELOW_4G_MMIO_START)
+
+#endif /* __XEN_PUBLIC_HVM_E820_H__ */