From: kys@exchange.microsoft.com
To: gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org,
        devel@linuxdriverproject.org, olaf@aepfle.de, apw@canonical.com,
        vkuznets@redhat.com, jasowang@redhat.com,
        leann.ogasawara@canonical.com, rkagan@virtuozzo.com, x86@kernel.org,
        tglx@linutronix.de, hpa@zytor.com
Cc: "K. Y. Srinivasan" <kys@microsoft.com>
Subject: [PATCH 18/18] Drivers: hv: vmbus: Cleanup hyperv_vmbus.h
Date: Fri, 30 Dec 2016 13:36:12 -0800
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From: K. Y. Srinivasan <kys@microsoft.com>

Get rid of all unused definitions.

Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
---
 drivers/hv/hyperv_vmbus.h |  152 +--------------------------------------------
 1 files changed, 2 insertions(+), 150 deletions(-)

diff --git a/drivers/hv/hyperv_vmbus.h b/drivers/hv/hyperv_vmbus.h
index e9f5d2c..2463ef9 100644
--- a/drivers/hv/hyperv_vmbus.h
+++ b/drivers/hv/hyperv_vmbus.h
@@ -41,66 +41,11 @@
 #define HV_UTIL_NEGO_TIMEOUT 55
 
 
-/* Define version of the synthetic interrupt controller. */
-#define HV_SYNIC_VERSION		(1)
 
-#define HV_ANY_VP			(0xFFFFFFFF)
 
-/* Define synthetic interrupt controller flag constants. */
-#define HV_EVENT_FLAGS_COUNT		(256 * 8)
 #define HV_EVENT_FLAGS_BYTE_COUNT	(256)
 #define HV_EVENT_FLAGS_DWORD_COUNT	(256 / sizeof(u32))
 
-/* Define invalid partition identifier. */
-#define HV_PARTITION_ID_INVALID		((u64)0x0)
-
-/* Define port type. */
-enum hv_port_type {
-	HVPORT_MSG	= 1,
-	HVPORT_EVENT		= 2,
-	HVPORT_MONITOR	= 3
-};
-
-/* Define port information structure. */
-struct hv_port_info {
-	enum hv_port_type port_type;
-	u32 padding;
-	union {
-		struct {
-			u32 target_sint;
-			u32 target_vp;
-			u64 rsvdz;
-		} message_port_info;
-		struct {
-			u32 target_sint;
-			u32 target_vp;
-			u16 base_flag_number;
-			u16 flag_count;
-			u32 rsvdz;
-		} event_port_info;
-		struct {
-			u64 monitor_address;
-			u64 rsvdz;
-		} monitor_port_info;
-	};
-};
-
-struct hv_connection_info {
-	enum hv_port_type port_type;
-	u32 padding;
-	union {
-		struct {
-			u64 rsvdz;
-		} message_connection_info;
-		struct {
-			u64 rsvdz;
-		} event_connection_info;
-		struct {
-			u64 monitor_address;
-		} monitor_connection_info;
-	};
-};
-
 /*
  * Timer configuration register.
  */
@@ -117,8 +62,6 @@ struct hv_connection_info {
 	};
 };
 
-/* Define the number of message buffers associated with each port. */
-#define HV_PORT_MESSAGE_BUFFER_COUNT	(16)
 
 /* Define the synthetic interrupt controller event flags format. */
 union hv_synic_event_flags {
@@ -126,11 +69,6 @@ struct hv_connection_info {
 	u32 flags32[HV_EVENT_FLAGS_DWORD_COUNT];
 };
 
-/* Define the synthetic interrupt flags page layout. */
-struct hv_synic_event_flags_page {
-	union hv_synic_event_flags sintevent_flags[HV_SYNIC_SINT_COUNT];
-};
-
 /* Define SynIC control register. */
 union hv_synic_scontrol {
 	u64 as_uint64;
@@ -232,6 +170,8 @@ struct hv_monitor_page {
 	u8 rsvdz4[1984];
 };
 
+#define HV_HYPERCALL_PARAM_ALIGN	sizeof(u64)
+
 /* Definition of the hv_post_message hypercall input structure. */
 struct hv_input_post_message {
 	union hv_connection_id connectionid;
@@ -241,41 +181,6 @@ struct hv_input_post_message {
 	u64 payload[HV_MESSAGE_PAYLOAD_QWORD_COUNT];
 };
 
-/*
- * 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 {
-	HVGUESTOS_VENDOR_MICROSOFT	= 0x0001
-};
-
-enum hv_guest_os_microsoft_ids {
-	HVGUESTOS_MICROSOFT_UNDEFINED	= 0x00,
-	HVGUESTOS_MICROSOFT_MSDOS		= 0x01,
-	HVGUESTOS_MICROSOFT_WINDOWS3X	= 0x02,
-	HVGUESTOS_MICROSOFT_WINDOWS9X	= 0x03,
-	HVGUESTOS_MICROSOFT_WINDOWSNT	= 0x04,
-	HVGUESTOS_MICROSOFT_WINDOWSCE	= 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 as_uint64;
-	struct {
-		u64 build_number:16;
-		u64 service_version:8; /* Service Pack, etc. */
-		u64 minor_version:8;
-		u64 major_version:8;
-		u64 os_id:8; /* enum hv_guest_os_microsoft_ids (if Vendor=MS) */
-		u64 vendor_id:16; /* enum hv_guest_os_vendor */
-	};
-};
 
 enum {
 	VMBUS_MESSAGE_CONNECTION_ID	= 1,
@@ -287,55 +192,6 @@ enum {
 	VMBUS_MESSAGE_SINT		= 2,
 };
 
-/* #defines */
-
-#define HV_PRESENT_BIT			0x80000000
-
-
-#define HV_CPU_POWER_MANAGEMENT		(1 << 0)
-#define HV_RECOMMENDATIONS_MAX		4
-
-#define HV_X64_MAX			5
-#define HV_CAPS_MAX			8
-
-
-#define HV_HYPERCALL_PARAM_ALIGN	sizeof(u64)
-
-
-/* Service definitions */
-
-#define HV_SERVICE_PARENT_PORT				(0)
-#define HV_SERVICE_PARENT_CONNECTION			(0)
-
-#define HV_SERVICE_CONNECT_RESPONSE_SUCCESS		(0)
-#define HV_SERVICE_CONNECT_RESPONSE_INVALID_PARAMETER	(1)
-#define HV_SERVICE_CONNECT_RESPONSE_UNKNOWN_SERVICE	(2)
-#define HV_SERVICE_CONNECT_RESPONSE_CONNECTION_REJECTED	(3)
-
-#define HV_SERVICE_CONNECT_REQUEST_MESSAGE_ID		(1)
-#define HV_SERVICE_CONNECT_RESPONSE_MESSAGE_ID		(2)
-#define HV_SERVICE_DISCONNECT_REQUEST_MESSAGE_ID	(3)
-#define HV_SERVICE_DISCONNECT_RESPONSE_MESSAGE_ID	(4)
-#define HV_SERVICE_MAX_MESSAGE_ID				(4)
-
-#define HV_SERVICE_PROTOCOL_VERSION (0x0010)
-#define HV_CONNECT_PAYLOAD_BYTE_COUNT 64
-
-/* #define VMBUS_REVISION_NUMBER	6 */
-
-/* Our local vmbus's port and connection id. Anything >0 is fine */
-/* #define VMBUS_PORT_ID		11 */
-
-/* 628180B8-308D-4c5e-B7DB-1BEB62E62EF4 */
-static const uuid_le VMBUS_SERVICE_ID = {
-	.b = {
-		0xb8, 0x80, 0x81, 0x62, 0x8d, 0x30, 0x5e, 0x4c,
-		0xb7, 0xdb, 0x1b, 0xeb, 0x62, 0xe6, 0x2e, 0xf4
-	},
-};
-
-
-
 struct hv_context {
 	/* We only support running on top of Hyper-V
 	* So at this point this really can only contain the Hyper-V ID
@@ -531,10 +387,6 @@ struct hv_device *vmbus_device_create(const uuid_le *type,
 int vmbus_device_register(struct hv_device *child_device_obj);
 void vmbus_device_unregister(struct hv_device *device_obj);
 
-/* static void */
-/* VmbusChildDeviceDestroy( */
-/* struct hv_device *); */
-
 struct vmbus_channel *relid2channel(u32 relid);
 
 void vmbus_free_channels(void);
-- 
1.7.4.1