1 files changed, 41 insertions, 0 deletions

diff --git a/include/uapi/linux/pci.h b/include/uapi/linux/pci.h
new file mode 100644
index 000000000000..3c292bc0d1c1
--- /dev/null
+++ b/include/uapi/linux/pci.h
@@ -0,0 +1,41 @@
+/*
+ *      pci.h
+ *
+ *      PCI defines and function prototypes
+ *      Copyright 1994, Drew Eckhardt
+ *      Copyright 1997--1999 Martin Mares <mj@ucw.cz>
+ *
+ *      For more information, please consult the following manuals (look at
+ *      http://www.pcisig.com/ for how to get them):
+ *
+ *      PCI BIOS Specification
+ *      PCI Local Bus Specification
+ *      PCI to PCI Bridge Specification
+ *      PCI System Design Guide
+ */
+
+#ifndef _UAPILINUX_PCI_H
+#define _UAPILINUX_PCI_H
+
+#include <linux/pci_regs.h>     /* The pci register defines */
+
+/*
+ * The PCI interface treats multi-function devices as independent
+ * devices.  The slot/function address of each device is encoded
+ * in a single byte as follows:
+ *
+ *      7:3 = slot
+ *      2:0 = function
+ */
+#define PCI_DEVFN(slot, func)   ((((slot) & 0x1f) << 3) | ((func) & 0x07))
+#define PCI_SLOT(devfn)         (((devfn) >> 3) & 0x1f)
+#define PCI_FUNC(devfn)         ((devfn) & 0x07)
+
+/* Ioctls for /proc/bus/pci/X/Y nodes. */
+#define PCIIOC_BASE             ('P' << 24 | 'C' << 16 | 'I' << 8)
+#define PCIIOC_CONTROLLER       (PCIIOC_BASE | 0x00)    /* Get controller for PCI device. */
+#define PCIIOC_MMAP_IS_IO       (PCIIOC_BASE | 0x01)    /* Set mmap state to I/O space. */
+#define PCIIOC_MMAP_IS_MEM      (PCIIOC_BASE | 0x02)    /* Set mmap state to MEM space. */
+#define PCIIOC_WRITE_COMBINE    (PCIIOC_BASE | 0x03)    /* Enable/disable write-combining. */
+
+#endif /* _UAPILINUX_PCI_H */