1 files changed, 21 insertions, 0 deletions

diff --git a/include/xen/interface/io/blkif.h b/include/xen/interface/io/blkif.h
index c2d1fa4dc1ee..68dd2b49635c 100644
--- a/include/xen/interface/io/blkif.h
+++ b/include/xen/interface/io/blkif.h
@@ -91,4 +91,25 @@ DEFINE_RING_TYPES(blkif, struct blkif_request, struct blkif_response);
 #define VDISK_REMOVABLE    0x2
 #define VDISK_READONLY     0x4
 
+/* Xen-defined major numbers for virtual disks, they look strangely
+ * familiar */
+#define XEN_IDE0_MAJOR  3
+#define XEN_IDE1_MAJOR  22
+#define XEN_SCSI_DISK0_MAJOR    8
+#define XEN_SCSI_DISK1_MAJOR    65
+#define XEN_SCSI_DISK2_MAJOR    66
+#define XEN_SCSI_DISK3_MAJOR    67
+#define XEN_SCSI_DISK4_MAJOR    68
+#define XEN_SCSI_DISK5_MAJOR    69
+#define XEN_SCSI_DISK6_MAJOR    70
+#define XEN_SCSI_DISK7_MAJOR    71
+#define XEN_SCSI_DISK8_MAJOR    128
+#define XEN_SCSI_DISK9_MAJOR    129
+#define XEN_SCSI_DISK10_MAJOR   130
+#define XEN_SCSI_DISK11_MAJOR   131
+#define XEN_SCSI_DISK12_MAJOR   132
+#define XEN_SCSI_DISK13_MAJOR   133
+#define XEN_SCSI_DISK14_MAJOR   134
+#define XEN_SCSI_DISK15_MAJOR   135
+
 #endif /* __XEN_PUBLIC_IO_BLKIF_H__ */