diff --git a/libc/kernel/common/linux/pci.h b/libc/kernel/common/linux/pci.h
new file mode 100644
index 0000000..165deb4
--- /dev/null
+++ b/libc/kernel/common/linux/pci.h
@@ -0,0 +1,29 @@
+/****************************************************************************
+ ****************************************************************************
+ ***
+ ***   This header was automatically generated from a Linux kernel header
+ ***   of the same name, to make information necessary for userspace to
+ ***   call into the kernel available to libc.  It contains only constants,
+ ***   structures, and macros generated from the original header, and thus,
+ ***   contains no copyrightable information.
+ ***
+ ****************************************************************************
+ ****************************************************************************/
+#ifndef LINUX_PCI_H
+#define LINUX_PCI_H
+
+#include <linux/pci_regs.h>
+
+#include <linux/pci_ids.h>
+
+#define PCI_DEVFN(slot,func) ((((slot) & 0x1f) << 3) | ((func) & 0x07))
+#define PCI_SLOT(devfn) (((devfn) >> 3) & 0x1f)
+#define PCI_FUNC(devfn) ((devfn) & 0x07)
+
+#define PCIIOC_BASE ('P' << 24 | 'C' << 16 | 'I' << 8)
+#define PCIIOC_CONTROLLER (PCIIOC_BASE | 0x00)  
+#define PCIIOC_MMAP_IS_IO (PCIIOC_BASE | 0x01)  
+#define PCIIOC_MMAP_IS_MEM (PCIIOC_BASE | 0x02)  
+#define PCIIOC_WRITE_COMBINE (PCIIOC_BASE | 0x03)  
+
+#endif