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+/*
+ * Copyright (c) 2004-2005 The Regents of The University of Michigan
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met: redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer;
+ * 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;
+ * neither the name of the copyright holders nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 COPYRIGHT
+ * OWNER 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.
+ *
+ * Authors: Andrew Schultz
+ *          Ali Saidi
+ */
+
+/*
+ * @file
+ * PCI Config space implementation.
+ */
+
+#ifndef __PCICONFIGALL_HH__
+#define __PCICONFIGALL_HH__
+
+#include "dev/pcireg.h"
+#include "base/range.hh"
+#include "dev/io_device.hh"
+
+
+/**
+ * PCI Config Space
+ * All of PCI config space needs to return -1 on Tsunami, except
+ * the devices that exist. This device maps the entire bus config
+ * space and passes the requests on to TsunamiPCIDev devices as
+ * appropriate.
+ */
+class PciConfigAll : public PioDevice
+{
+  public:
+    struct Params :  public PioDevice::Params
+    {
+        Tick pio_delay;
+        Addr size;
+        int bus;
+    };
+    const Params *params() const { return (const Params *)_params; }
+
+    /**
+     * Constructor for PCIConfigAll
+     * @param p parameters structure
+     */
+    PciConfigAll(Params *p);
+
+    /**
+     * Read something in PCI config space. If the device does not exist
+     * -1 is returned, if the device does exist its PciDev::ReadConfig (or the
+     * virtual function that overrides) it is called.
+     * @param pkt Contains information about the read operation
+     * @return Amount of time to do the read
+     */
+    virtual Tick read(Packet *pkt);
+
+    /**
+     * Write to PCI config spcae. If the device does not exit the simulator
+     * panics. If it does it is passed on the PciDev::WriteConfig (or the virtual
+     * function that overrides it).
+     * @param pkt Contains information about the write operation
+     * @return Amount of time to do the read
+     */
+
+    virtual Tick write(Packet *pkt);
+
+    void addressRanges(AddrRangeList &range_list);
+
+  private:
+    Addr pioAddr;
+
+};
+
+#endif // __PCICONFIGALL_HH__