cpp-d1064d

[cross.git] / i686-linux-gnu-4.7 / usr / include / linux / pci.h

diff --git a/i686-linux-gnu-4.7/usr/include/linux/pci.h b/i686-linux-gnu-4.7/usr/include/linux/pci.h
new file mode 100644 (file)
index 0000000..b5d7d0c
--- /dev/null
+++ b/i686-linux-gnu-4.7/usr/include/linux/pci.h
@@ -0,0 +1,42 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+/*
+ *     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 LINUX_PCI_H
+#define LINUX_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 /* LINUX_PCI_H */