diff --git a/drivers/staging/hv/Hv.h b/drivers/staging/hv/Hv.h
index 3f205c69..67f47a2 100644
--- a/drivers/staging/hv/Hv.h
+++ b/drivers/staging/hv/Hv.h
@@ -26,10 +26,7 @@
 #define __HV_H__
 
 #include "include/HvStatus.h"
-#include "include/HvVpApi.h"
-#include "include/HvSynicApi.h"
-#include "include/HvHcApi.h"
-#include "include/HvPtApi.h"
+#include "hv_api.h"
 
 enum {
 	VMBUS_MESSAGE_CONNECTION_ID	= 1,
diff --git a/drivers/staging/hv/include/HvSynicApi.h b/drivers/staging/hv/hv_api.h
similarity index 77%
rename from drivers/staging/hv/include/HvSynicApi.h
rename to drivers/staging/hv/hv_api.h
index 3e6151d..99129b5 100644
--- a/drivers/staging/hv/include/HvSynicApi.h
+++ b/drivers/staging/hv/hv_api.h
@@ -20,9 +20,27 @@
  *   Hank Janssen  <hjanssen@microsoft.com>
  *
  */
+#ifndef __HV_API_H
+#define __HV_API_H
 
-#ifndef __HVSYNICAPI_H
-#define __HVSYNICAPI_H
+/*
+ * The below CPUID leaves are present if VersionAndFeatures.HypervisorPresent
+ * is set by CPUID(HvCpuIdFunctionVersionAndFeatures).
+ */
+enum hv_cpuid_function {
+	HvCpuIdFunctionVersionAndFeatures		= 0x00000001,
+	HvCpuIdFunctionHvVendorAndMaxFunction		= 0x40000000,
+	HvCpuIdFunctionHvInterface			= 0x40000001,
+
+	/*
+	 * The remaining functions depend on the value of
+	 * HvCpuIdFunctionInterface
+	 */
+	HvCpuIdFunctionMsHvVersion			= 0x40000002,
+	HvCpuIdFunctionMsHvFeatures			= 0x40000003,
+	HvCpuIdFunctionMsHvEnlightenmentInformation	= 0x40000004,
+	HvCpuIdFunctionMsHvImplementationLimits		= 0x40000005,
+};
 
 /* Define the virtual APIC registers */
 #define HV_X64_MSR_EOI			(0x40000070)
@@ -327,4 +345,76 @@
 	u8 RsvdZ4[1984];
 };
 
+/* Declare the various hypercall operations. */
+enum hv_call_code {
+	HvCallPostMessage	= 0x005c,
+	HvCallSignalEvent	= 0x005d,
+};
+
+/* Definition of the HvPostMessage hypercall input structure. */
+struct hv_input_post_message {
+	union hv_connection_id ConnectionId;
+	u32 Reserved;
+	enum hv_message_type MessageType;
+	u32 PayloadSize;
+	u64 Payload[HV_MESSAGE_PAYLOAD_QWORD_COUNT];
+};
+
+/* Definition of the HvSignalEvent hypercall input structure. */
+struct hv_input_signal_event {
+	union hv_connection_id ConnectionId;
+	u16 FlagNumber;
+	u16 RsvdZ;
+};
+
+/*
+ * Versioning definitions used for guests reporting themselves to the
+ * hypervisor, and visa versa.
+ */
+
+/* Version info reported by guest OS's */
+enum hv_guest_os_vendor {
+	HvGuestOsVendorMicrosoft	= 0x0001
+};
+
+enum hv_guest_os_microsoft_ids {
+	HvGuestOsMicrosoftUndefined	= 0x00,
+	HvGuestOsMicrosoftMSDOS		= 0x01,
+	HvGuestOsMicrosoftWindows3x	= 0x02,
+	HvGuestOsMicrosoftWindows9x	= 0x03,
+	HvGuestOsMicrosoftWindowsNT	= 0x04,
+	HvGuestOsMicrosoftWindowsCE	= 0x05
+};
+
+/*
+ * Declare the MSR used to identify the guest OS.
+ */
+#define HV_X64_MSR_GUEST_OS_ID	0x40000000
+
+union hv_x64_msr_guest_os_id_contents {
+	u64 AsUINT64;
+	struct {
+		u64 BuildNumber:16;
+		u64 ServiceVersion:8; /* Service Pack, etc. */
+		u64 MinorVersion:8;
+		u64 MajorVersion:8;
+		u64 OsId:8; /* enum hv_guest_os_microsoft_ids (if Vendor=MS) */
+		u64 VendorId:16; /* enum hv_guest_os_vendor */
+	};
+};
+
+/*
+ * Declare the MSR used to setup pages used to communicate with the hypervisor.
+ */
+#define HV_X64_MSR_HYPERCALL	0x40000001
+
+union hv_x64_msr_hypercall_contents {
+	u64 AsUINT64;
+	struct {
+		u64 Enable:1;
+		u64 Reserved:11;
+		u64 GuestPhysicalAddress:52;
+	};
+};
+
 #endif
diff --git a/drivers/staging/hv/include/HvHcApi.h b/drivers/staging/hv/include/HvHcApi.h
deleted file mode 100644
index c03926a..0000000
--- a/drivers/staging/hv/include/HvHcApi.h
+++ /dev/null
@@ -1,49 +0,0 @@
-/*
- *
- * Copyright (c) 2009, Microsoft Corporation.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc., 59 Temple
- * Place - Suite 330, Boston, MA 02111-1307 USA.
- *
- * Authors:
- *   Haiyang Zhang <haiyangz@microsoft.com>
- *   Hank Janssen  <hjanssen@microsoft.com>
- *
- */
-
-#ifndef __HVHCAPI_H
-#define __HVHCAPI_H
-
-/* Declare the various hypercall operations. */
-enum hv_call_code {
-	HvCallPostMessage	= 0x005c,
-	HvCallSignalEvent	= 0x005d,
-};
-
-/* Definition of the HvPostMessage hypercall input structure. */
-struct hv_input_post_message {
-	union hv_connection_id ConnectionId;
-	u32 Reserved;
-	enum hv_message_type MessageType;
-	u32 PayloadSize;
-	u64 Payload[HV_MESSAGE_PAYLOAD_QWORD_COUNT];
-};
-
-/* Definition of the HvSignalEvent hypercall input structure. */
-struct hv_input_signal_event {
-	union hv_connection_id ConnectionId;
-	u16 FlagNumber;
-	u16 RsvdZ;
-};
-
-#endif
diff --git a/drivers/staging/hv/include/HvPtApi.h b/drivers/staging/hv/include/HvPtApi.h
deleted file mode 100644
index f6ddf46..0000000
--- a/drivers/staging/hv/include/HvPtApi.h
+++ /dev/null
@@ -1,77 +0,0 @@
-/*
- *
- * Copyright (c) 2009, Microsoft Corporation.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc., 59 Temple
- * Place - Suite 330, Boston, MA 02111-1307 USA.
- *
- * Authors:
- *   Haiyang Zhang <haiyangz@microsoft.com>
- *   Hank Janssen  <hjanssen@microsoft.com>
- *
- */
-
-#ifndef __HVVPTPI_H
-#define __HVVPTPI_H
-
-/*
- * Versioning definitions used for guests reporting themselves to the
- * hypervisor, and visa versa.
- */
-
-/* Version info reported by guest OS's */
-enum hv_guest_os_vendor {
-	HvGuestOsVendorMicrosoft	= 0x0001
-};
-
-enum hv_guest_os_microsoft_ids {
-	HvGuestOsMicrosoftUndefined	= 0x00,
-	HvGuestOsMicrosoftMSDOS		= 0x01,
-	HvGuestOsMicrosoftWindows3x	= 0x02,
-	HvGuestOsMicrosoftWindows9x	= 0x03,
-	HvGuestOsMicrosoftWindowsNT	= 0x04,
-	HvGuestOsMicrosoftWindowsCE	= 0x05
-};
-
-/*
- * Declare the MSR used to identify the guest OS.
- */
-#define HV_X64_MSR_GUEST_OS_ID	0x40000000
-
-union hv_x64_msr_guest_os_id_contents {
-	u64 AsUINT64;
-	struct {
-		u64 BuildNumber:16;
-		u64 ServiceVersion:8; /* Service Pack, etc. */
-		u64 MinorVersion:8;
-		u64 MajorVersion:8;
-		u64 OsId:8; /* enum hv_guest_os_microsoft_ids (if Vendor=MS) */
-		u64 VendorId:16; /* enum hv_guest_os_vendor */
-	};
-};
-
-/*
- * Declare the MSR used to setup pages used to communicate with the hypervisor.
- */
-#define HV_X64_MSR_HYPERCALL	0x40000001
-
-union hv_x64_msr_hypercall_contents {
-	u64 AsUINT64;
-	struct {
-		u64 Enable:1;
-		u64 Reserved:11;
-		u64 GuestPhysicalAddress:52;
-	};
-};
-
-#endif
diff --git a/drivers/staging/hv/include/HvVpApi.h b/drivers/staging/hv/include/HvVpApi.h
deleted file mode 100644
index 33b7475..0000000
--- a/drivers/staging/hv/include/HvVpApi.h
+++ /dev/null
@@ -1,45 +0,0 @@
-/*
- *
- * Copyright (c) 2009, Microsoft Corporation.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc., 59 Temple
- * Place - Suite 330, Boston, MA 02111-1307 USA.
- *
- * Authors:
- *   Haiyang Zhang <haiyangz@microsoft.com>
- *   Hank Janssen  <hjanssen@microsoft.com>
- *
- */
-#ifndef __HVVPAPI_H
-#define __HVVPAPI_H
-
-/*
- * The below CPUID leaves are present if VersionAndFeatures.HypervisorPresent
- * is set by CPUID(HvCpuIdFunctionVersionAndFeatures).
- */
-enum hv_cpuid_function {
-	HvCpuIdFunctionVersionAndFeatures		= 0x00000001,
-	HvCpuIdFunctionHvVendorAndMaxFunction		= 0x40000000,
-	HvCpuIdFunctionHvInterface			= 0x40000001,
-
-	/*
-	 * The remaining functions depend on the value of
-	 * HvCpuIdFunctionInterface
-	 */
-	HvCpuIdFunctionMsHvVersion			= 0x40000002,
-	HvCpuIdFunctionMsHvFeatures			= 0x40000003,
-	HvCpuIdFunctionMsHvEnlightenmentInformation	= 0x40000004,
-	HvCpuIdFunctionMsHvImplementationLimits		= 0x40000005,
-};
-
-#endif