PCI(4): Import missing file

2 files changed, 86 insertions, 1 deletions

diff --git a/freebsd/sys/dev/pci/pcib_support.c b/freebsd/sys/dev/pci/pcib_support.c
new file mode 100644
index 00000000..5180fb97
--- /dev/null
+++ b/freebsd/sys/dev/pci/pcib_support.c
@@ -0,0 +1,84 @@
+#include <machine/rtems-bsd-kernel-space.h>
+
+/*
+ * Copyright (c) 2014 Sandvine Inc.  All rights reserved.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+/*
+ * Support functions for the PCI:PCI bridge driver.  This has to be in a
+ * separate file because kernel configurations end up referencing the functions
+ * here even when pci support is compiled out of the kernel.
+ */
+
+#include <sys/param.h>
+#include <sys/bus.h>
+#include <sys/kernel.h>
+#include <sys/malloc.h>
+#include <sys/module.h>
+#include <sys/rman.h>
+#include <sys/sysctl.h>
+#include <sys/systm.h>
+
+#include <dev/pci/pcivar.h>
+#include <dev/pci/pcireg.h>
+#include <dev/pci/pcib_private.h>
+
+#include <rtems/bsd/local/pcib_if.h>
+
+int
+pcib_maxfuncs(device_t dev)
+{
+	return (PCI_FUNCMAX);
+}
+
+int
+pcib_get_id(device_t pcib, device_t dev, enum pci_id_type type, uintptr_t *id)
+{
+	uint8_t bus, slot, func;
+
+	if (type != PCI_ID_RID)
+		return (ENXIO);
+
+	bus = pci_get_bus(dev);
+	slot = pci_get_slot(dev);
+	func = pci_get_function(dev);
+
+	*id = (PCI_RID(bus, slot, func));
+	return (0);
+}
+
+void
+pcib_decode_rid(device_t pcib, uint16_t rid, int *bus, int *slot,
+    int *func)
+{
+
+	*bus = PCI_RID2BUS(rid);
+	*slot = PCI_RID2SLOT(rid);
+	*func = PCI_RID2FUNC(rid);
+}
+
diff --git a/libbsd.py b/libbsd.py
index 9fd8d790..0f4ded0f 100644
--- a/libbsd.py
+++ b/libbsd.py
@@ -2653,9 +2653,10 @@ class pci(builder.Module):
         mm = self.manager
         self.addKernelSpaceSourceFiles(
             [
+                'sys/dev/pci/pcib_support.c',
                 'sys/dev/pci/pci.c',
-                'sys/dev/pci/pci_user.c',
                 'sys/dev/pci/pci_pci.c',
+                'sys/dev/pci/pci_user.c',
             ],
             mm.generator['source']()
         )