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diff --git a/src/usr/diag/attn/test/attnfakeipoll.H b/src/usr/diag/attn/test/attnfakeipoll.H
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+/*  IBM_PROLOG_BEGIN_TAG
+ *  This is an automatically generated prolog.
+ *
+ *  $Source: src/usr/diag/attn/test/attnfakeipoll.H $
+ *
+ *  IBM CONFIDENTIAL
+ *
+ *  COPYRIGHT International Business Machines Corp. 2012
+ *
+ *  p1
+ *
+ *  Object Code Only (OCO) source materials
+ *  Licensed Internal Code Source Materials
+ *  IBM HostBoot Licensed Internal Code
+ *
+ *  The source code for this program is not published or other-
+ *  wise divested of its trade secrets, irrespective of what has
+ *  been deposited with the U.S. Copyright Office.
+ *
+ *  Origin: 30
+ *
+ *  IBM_PROLOG_END_TAG
+ */
+#ifndef __TEST_ATTNFAKEIPOLL_H
+#define __TEST_ATTNFAKEIPOLL_H
+
+/**
+ * @file attnfakeipoll.H
+ *
+ * @brief HBATTN fake Ipoll mask register class definitions.
+ */
+
+#include "attnfakeelement.H"
+
+namespace ATTN
+{
+
+/**
+ * @brief FakeIpoll Fake ipoll class definition.
+ *
+ * Attach logic to Ipoll and associated GFIR register modifications.
+ */
+class FakeIpoll : public FakeReg
+{
+    public:
+
+        /**
+         * @brief ctor
+         *
+         * @param[in] i_type The bit in the ipoll mask register to implement.
+         * @param[in] i_presenter The presenter to which interrupts should
+         *                be requested.
+         */
+        FakeIpoll(
+                uint64_t i_type,
+                FakePresenter & i_presenter);
+
+        /**
+         * @brief dtor
+         */
+        ~FakeIpoll() {}
+
+        /**
+         * @brief install
+         *
+         * Register this object with the provided system for
+         * the appropriate callbacks.
+         *
+         * @param[in] i_system The system in which to register callbacks.
+         */
+        void install(FakeSystem & i_system);
+
+
+        /**
+         * @brief processPutReg Process modified register content.
+         *
+         * Fake implemenation of Ipoll mask.  Generates interrupts when
+         * appropriate.
+         *
+         * @param[in] i_sys System that modified register content.
+         * @param[in] i_target Target whose registers were modified.
+         * @param[in] i_address Address of register that was modified.
+         * @param[in] i_new Register content after modification.
+         * @param[in] i_old Register content before modification.
+         *
+         * @retval[0] No error occurred.
+         * @retval[!0] Unexpected error occurred.
+         */
+        errlHndl_t processPutReg(
+                FakeSystem & i_sys,
+                TARGETING::TargetHandle_t i_target,
+                uint64_t i_address,
+                uint64_t i_new,
+                uint64_t i_old);
+
+    private:
+
+        /**
+         * @brief processEoi Process end of interrupt.
+         *
+         * Generates interrupts when appropriate.
+         *
+         * @param[in] i_sys System associated with the interrupt.
+         * @param[in] i_source Target proc that generated the interrupt.
+         * @param[in] i_type Interrupt type of generated interrupt.
+         */
+        void processEoi(
+                FakeSystem & i_sys,
+                TARGETING::TargetHandle_t i_source,
+                MessageType i_type);
+
+        /**
+         * @brief callback FakePresenter EOI callback.
+         *
+         * Forwards to processEoi on ipoll instance that generated
+         * the interrupt.
+         *
+         * @param[in] i_source Target proc that generated the interrupt.
+         * @param[in] i_type Interrupt type of generated interrupt.
+         * @param[in] i_properties pointers to ipoll and system instances.
+         */
+        static void callback(
+                TARGETING::TargetHandle_t i_source,
+                MessageType i_type,
+                void * i_properties);
+
+        /**
+         * @brief interrupt FakePresenter interrupt wrapper.
+         *
+         * @param[in] i_sys System associated with the interrupt.
+         * @param[in] i_source Target proc that generated the interrupt.
+         * @param[in] i_type Interrupt type of generated interrupt.
+         */
+        void interrupt(
+                FakeSystem & i_system,
+                TARGETING::TargetHandle_t i_source,
+                MessageType i_type);
+
+        /**
+         * @brief iv_address Address of register to monitor for interrupt
+         * condition.
+         */
+        uint64_t iv_address;
+
+        /**
+         * @brief iv_gfirbits Filter watched bits in monitored register.
+         */
+        uint64_t iv_gfirbits;
+
+        /**
+         * @brief iv_ipollbits Ipoll mask bit being implemented.
+         */
+        uint64_t iv_ipollbits;
+
+        /**
+         * @brief iv_presenter Presenter from which interrupts should be
+         * requested.
+         */
+        FakePresenter * iv_presenter;
+};
+}
+#endif