Staging: hv: Replace struct hv_guid with the uuid type already defined in Linux

Replace struct hv_guid with the uuid type already defined in Linux.
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/staging/hv/blkvsc_drv.c

@@ -112,8 +112,8 @@ struct block_device_context {
 static const char *drv_name = "blkvsc";
 
 /* {32412632-86cb-44a2-9b5c-50d1417354f5} */
-static const struct hv_guid dev_type = {
-	.data = {
+static const uuid_le dev_type = {
+	.b = {
 		0x32, 0x26, 0x41, 0x32, 0xcb, 0x86, 0xa2, 0x44,
 		0x9b, 0x5c, 0x50, 0xd1, 0x41, 0x73, 0x54, 0xf5
 	}
@@ -155,13 +155,13 @@ static int blkvsc_device_add(struct hv_device *device,
 	 * id. For IDE devices, the device instance id is formatted as
 	 * <bus id> * - <device id> - 8899 - 000000000000.
 	 */
-	device_info->path_id = device->dev_instance.data[3] << 24 |
-			     device->dev_instance.data[2] << 16 |
-			     device->dev_instance.data[1] << 8  |
-			     device->dev_instance.data[0];
+	device_info->path_id = device->dev_instance.b[3] << 24 |
+			     device->dev_instance.b[2] << 16 |
+			     device->dev_instance.b[1] << 8  |
+			     device->dev_instance.b[0];
 
-	device_info->target_id = device->dev_instance.data[5] << 8 |
-			       device->dev_instance.data[4];
+	device_info->target_id = device->dev_instance.b[5] << 8 |
+			       device->dev_instance.b[4];
 
 	return ret;
 }
@@ -829,7 +829,7 @@ static int blkvsc_drv_init(void)
 
 	BUILD_BUG_ON(sizeof(sector_t) != 8);
 
-	memcpy(&drv->dev_type, &dev_type, sizeof(struct hv_guid));
+	memcpy(&drv->dev_type, &dev_type, sizeof(uuid_le));
 	drv->driver.name = drv_name;
 
 	/* The driver belongs to vmbus */

drivers/staging/hv/channel.c

@@ -81,10 +81,10 @@ void vmbus_get_debug_info(struct vmbus_channel *channel,
 	debuginfo->relid = channel->offermsg.child_relid;
 	debuginfo->state = channel->state;
 	memcpy(&debuginfo->interfacetype,
-	       &channel->offermsg.offer.if_type, sizeof(struct hv_guid));
+	       &channel->offermsg.offer.if_type, sizeof(uuid_le));
 	memcpy(&debuginfo->interface_instance,
 	       &channel->offermsg.offer.if_instance,
-	       sizeof(struct hv_guid));
+	       sizeof(uuid_le));
 
 	monitorpage = (struct hv_monitor_page *)vmbus_connection.monitor_pages;
 

drivers/staging/hv/channel_mgmt.c

@@ -40,12 +40,12 @@ struct vmbus_channel_message_table_entry {
 #define MAX_MSG_TYPES                    4
 #define MAX_NUM_DEVICE_CLASSES_SUPPORTED 8
 
-static const struct hv_guid
+static const uuid_le
 	supported_device_classes[MAX_NUM_DEVICE_CLASSES_SUPPORTED] = {
 	/* {ba6163d9-04a1-4d29-b605-72e2ffb1dc7f} */
 	/* Storage - SCSI */
 	{
-		.data  = {
+		.b  = {
 			0xd9, 0x63, 0x61, 0xba, 0xa1, 0x04, 0x29, 0x4d,
 			0xb6, 0x05, 0x72, 0xe2, 0xff, 0xb1, 0xdc, 0x7f
 		}
@@ -54,7 +54,7 @@ static const struct hv_guid
 	/* {F8615163-DF3E-46c5-913F-F2D2F965ED0E} */
 	/* Network */
 	{
-		.data = {
+		.b = {
 			0x63, 0x51, 0x61, 0xF8, 0x3E, 0xDF, 0xc5, 0x46,
 			0x91, 0x3F, 0xF2, 0xD2, 0xF9, 0x65, 0xED, 0x0E
 		}
@@ -63,7 +63,7 @@ static const struct hv_guid
 	/* {CFA8B69E-5B4A-4cc0-B98B-8BA1A1F3F95A} */
 	/* Input */
 	{
-		.data = {
+		.b = {
 			0x9E, 0xB6, 0xA8, 0xCF, 0x4A, 0x5B, 0xc0, 0x4c,
 			0xB9, 0x8B, 0x8B, 0xA1, 0xA1, 0xF3, 0xF9, 0x5A
 		}
@@ -72,7 +72,7 @@ static const struct hv_guid
 	/* {32412632-86cb-44a2-9b5c-50d1417354f5} */
 	/* IDE */
 	{
-		.data = {
+		.b = {
 			0x32, 0x26, 0x41, 0x32, 0xcb, 0x86, 0xa2, 0x44,
 			0x9b, 0x5c, 0x50, 0xd1, 0x41, 0x73, 0x54, 0xf5
 		}
@@ -80,7 +80,7 @@ static const struct hv_guid
 	/* 0E0B6031-5213-4934-818B-38D90CED39DB */
 	/* Shutdown */
 	{
-		.data = {
+		.b = {
 			0x31, 0x60, 0x0B, 0X0E, 0x13, 0x52, 0x34, 0x49,
 			0x81, 0x8B, 0x38, 0XD9, 0x0C, 0xED, 0x39, 0xDB
 		}
@@ -88,7 +88,7 @@ static const struct hv_guid
 	/* {9527E630-D0AE-497b-ADCE-E80AB0175CAF} */
 	/* TimeSync */
 	{
-		.data = {
+		.b = {
 			0x30, 0xe6, 0x27, 0x95, 0xae, 0xd0, 0x7b, 0x49,
 			0xad, 0xce, 0xe8, 0x0a, 0xb0, 0x17, 0x5c, 0xaf
 		}
@@ -96,7 +96,7 @@ static const struct hv_guid
 	/* {57164f39-9115-4e78-ab55-382f3bd5422d} */
 	/* Heartbeat */
 	{
-		.data = {
+		.b = {
 			0x39, 0x4f, 0x16, 0x57, 0x15, 0x91, 0x78, 0x4e,
 			0xab, 0x55, 0x38, 0x2f, 0x3b, 0xd5, 0x42, 0x2d
 		}
@@ -104,7 +104,7 @@ static const struct hv_guid
 	/* {A9A0F4E7-5A45-4d96-B827-8A841E8C03E6} */
 	/* KVP */
 	{
-		.data = {
+		.b = {
 			0xe7, 0xf4, 0xa0, 0xa9, 0x45, 0x5a, 0x96, 0x4d,
 			0xb8, 0x27, 0x8a, 0x84, 0x1e, 0x8c, 0x3,  0xe6
 	}
@@ -231,7 +231,7 @@ struct hyperv_service_callback hv_cb_utils[MAX_MSG_TYPES] = {
 	/* Shutdown */
 	{
 		.msg_type = HV_SHUTDOWN_MSG,
-		.data = {
+		.data.b = {
 			0x31, 0x60, 0x0B, 0X0E, 0x13, 0x52, 0x34, 0x49,
 			0x81, 0x8B, 0x38, 0XD9, 0x0C, 0xED, 0x39, 0xDB
 		},
@@ -242,7 +242,7 @@ struct hyperv_service_callback hv_cb_utils[MAX_MSG_TYPES] = {
 	/* TimeSync */
 	{
 		.msg_type = HV_TIMESYNC_MSG,
-		.data = {
+		.data.b = {
 			0x30, 0xe6, 0x27, 0x95, 0xae, 0xd0, 0x7b, 0x49,
 			0xad, 0xce, 0xe8, 0x0a, 0xb0, 0x17, 0x5c, 0xaf
 		},
@@ -252,7 +252,7 @@ struct hyperv_service_callback hv_cb_utils[MAX_MSG_TYPES] = {
 	/* Heartbeat */
 	{
 		.msg_type = HV_HEARTBEAT_MSG,
-		.data = {
+		.data.b = {
 			0x39, 0x4f, 0x16, 0x57, 0x15, 0x91, 0x78, 0x4e,
 			0xab, 0x55, 0x38, 0x2f, 0x3b, 0xd5, 0x42, 0x2d
 		},
@@ -261,7 +261,7 @@ struct hyperv_service_callback hv_cb_utils[MAX_MSG_TYPES] = {
 	/* {A9A0F4E7-5A45-4d96-B827-8A841E8C03E6} */
 	/* KVP */
 	{
-		.data = {
+		.data.b = {
 			0xe7, 0xf4, 0xa0, 0xa9, 0x45, 0x5a, 0x96, 0x4d,
 			0xb8, 0x27, 0x8a, 0x84, 0x1e, 0x8c, 0x3,  0xe6
 		},
@@ -358,12 +358,10 @@ static void vmbus_process_offer(struct work_struct *work)
 	spin_lock_irqsave(&vmbus_connection.channel_lock, flags);
 
 	list_for_each_entry(channel, &vmbus_connection.chn_list, listentry) {
-		if (!memcmp(&channel->offermsg.offer.if_type,
-			    &newchannel->offermsg.offer.if_type,
-			    sizeof(struct hv_guid)) &&
-		    !memcmp(&channel->offermsg.offer.if_instance,
-			    &newchannel->offermsg.offer.if_instance,
-			    sizeof(struct hv_guid))) {
+		if (!uuid_le_cmp(channel->offermsg.offer.if_type,
+			newchannel->offermsg.offer.if_type) &&
+			!uuid_le_cmp(channel->offermsg.offer.if_instance,
+				newchannel->offermsg.offer.if_instance)) {
 			fnew = false;
 			break;
 		}
@@ -416,9 +414,8 @@ static void vmbus_process_offer(struct work_struct *work)
 
 		/* Open IC channels */
 		for (cnt = 0; cnt < MAX_MSG_TYPES; cnt++) {
-			if (memcmp(&newchannel->offermsg.offer.if_type,
-				   &hv_cb_utils[cnt].data,
-				   sizeof(struct hv_guid)) == 0 &&
+			if (!uuid_le_cmp(newchannel->offermsg.offer.if_type,
+				   hv_cb_utils[cnt].data) &&
 				vmbus_open(newchannel, 2 * PAGE_SIZE,
 						 2 * PAGE_SIZE, NULL, 0,
 						 chn_cb_negotiate,
@@ -444,16 +441,15 @@ static void vmbus_onoffer(struct vmbus_channel_message_header *hdr)
 {
 	struct vmbus_channel_offer_channel *offer;
 	struct vmbus_channel *newchannel;
-	struct hv_guid *guidtype;
-	struct hv_guid *guidinstance;
+	uuid_le *guidtype;
+	uuid_le *guidinstance;
 	int i;
 	int fsupported = 0;
 
 	offer = (struct vmbus_channel_offer_channel *)hdr;
 	for (i = 0; i < MAX_NUM_DEVICE_CLASSES_SUPPORTED; i++) {
-		if (memcmp(&offer->offer.if_type,
-			&supported_device_classes[i],
-			sizeof(struct hv_guid)) == 0) {
+		if (!uuid_le_cmp(offer->offer.if_type,
+				supported_device_classes[i])) {
 			fsupported = 1;
 			break;
 		}

drivers/staging/hv/hv_mouse.c

@@ -179,8 +179,8 @@ struct mousevsc_dev {
 static const char *driver_name = "mousevsc";
 
 /* {CFA8B69E-5B4A-4cc0-B98B-8BA1A1F3F95A} */
-static const struct hv_guid mouse_guid = {
-	.data = {0x9E, 0xB6, 0xA8, 0xCF, 0x4A, 0x5B, 0xc0, 0x4c,
+static const uuid_le mouse_guid = {
+	.b = {0x9E, 0xB6, 0xA8, 0xCF, 0x4A, 0x5B, 0xc0, 0x4c,
 		 0xB9, 0x8B, 0x8B, 0xA1, 0xA1, 0xF3, 0xF9, 0x5A}
 };
 
@@ -932,7 +932,7 @@ static int __init mousevsc_init(void)
 	DPRINT_INFO(INPUTVSC_DRV, "Hyper-V Mouse driver initializing.");
 
 	memcpy(&drv->dev_type, &mouse_guid,
-	       sizeof(struct hv_guid));
+	       sizeof(uuid_le));
 
 	drv->driver.name = driver_name;
 

drivers/staging/hv/hyperv.h

@@ -27,6 +27,7 @@
 
 #include <linux/scatterlist.h>
 #include <linux/list.h>
+#include <linux/uuid.h>
 #include <linux/timer.h>
 #include <linux/workqueue.h>
 #include <linux/completion.h>
@@ -35,9 +36,6 @@
 
 #include <asm/hyperv.h>
 
-struct hv_guid {
-	unsigned char data[16];
-};
 
 #define MAX_PAGE_BUFFER_COUNT				16
 #define MAX_MULTIPAGE_BUFFER_COUNT			32 /* 128K */
@@ -156,8 +154,8 @@ struct hv_ring_buffer_debug_info {
  * struct contains the fundamental information about an offer.
  */
 struct vmbus_channel_offer {
-	struct hv_guid if_type;
-	struct hv_guid if_instance;
+	uuid_le if_type;
+	uuid_le if_instance;
 	u64 int_latency; /* in 100ns units */
 	u32 if_revision;
 	u32 server_ctx_size;	/* in bytes */
@@ -526,8 +524,8 @@ enum vmbus_channel_state {
 struct vmbus_channel_debug_info {
 	u32 relid;
 	enum vmbus_channel_state state;
-	struct hv_guid interfacetype;
-	struct hv_guid interface_instance;
+	uuid_le interfacetype;
+	uuid_le interface_instance;
 	u32 monitorid;
 	u32 servermonitor_pending;
 	u32 servermonitor_latency;
@@ -786,8 +784,8 @@ struct hv_dev_port_info {
 struct hv_device_info {
 	u32 chn_id;
 	u32 chn_state;
-	struct hv_guid chn_type;
-	struct hv_guid chn_instance;
+	uuid_le chn_type;
+	uuid_le chn_instance;
 
 	u32 monitor_id;
 	u32 server_monitor_pending;
@@ -806,7 +804,7 @@ struct hv_driver {
 	const char *name;
 
 	/* the device type supported by this driver */
-	struct hv_guid dev_type;
+	uuid_le dev_type;
 
 	struct device_driver driver;
 
@@ -819,10 +817,10 @@ struct hv_driver {
 /* Base device object */
 struct hv_device {
 	/* the device type id of this device */
-	struct hv_guid dev_type;
+	uuid_le dev_type;
 
 	/* the device instance id of this device */
-	struct hv_guid dev_instance;
+	uuid_le dev_instance;
 
 	struct device device;
 
@@ -935,7 +933,7 @@ struct ictimesync_data {
 struct hyperv_service_callback {
 	u8 msg_type;
 	char *log_msg;
-	unsigned char data[16];
+	uuid_le data;
 	struct vmbus_channel *channel;
 	void (*callback) (void *context);
 };

drivers/staging/hv/hyperv_vmbus.h

@@ -451,8 +451,8 @@ enum {
 /* #define VMBUS_PORT_ID		11 */
 
 /* 628180B8-308D-4c5e-B7DB-1BEB62E62EF4 */
-static const struct hv_guid VMBUS_SERVICE_ID = {
-	.data = {
+static const uuid_le VMBUS_SERVICE_ID = {
+	.b = {
 		0xb8, 0x80, 0x81, 0x62, 0x8d, 0x30, 0x5e, 0x4c,
 		0xb7, 0xdb, 0x1b, 0xeb, 0x62, 0xe6, 0x2e, 0xf4
 	},
@@ -601,8 +601,8 @@ extern struct vmbus_connection vmbus_connection;
 
 /* General vmbus interface */
 
-struct hv_device *vmbus_child_device_create(struct hv_guid *type,
-					 struct hv_guid *instance,
+struct hv_device *vmbus_child_device_create(uuid_le *type,
+					 uuid_le *instance,
 					 struct vmbus_channel *channel);
 
 int vmbus_child_device_register(struct hv_device *child_device_obj);

drivers/staging/hv/netvsc.c

@@ -36,8 +36,8 @@
 static const char *driver_name = "netvsc";
 
 /* {F8615163-DF3E-46c5-913F-F2D2F965ED0E} */
-static const struct hv_guid netvsc_device_type = {
-	.data = {
+static const uuid_le netvsc_device_type = {
+	.b = {
 		0x63, 0x51, 0x61, 0xF8, 0x3E, 0xDF, 0xc5, 0x46,
 		0x91, 0x3F, 0xF2, 0xD2, 0xF9, 0x65, 0xED, 0x0E
 	}
@@ -1009,7 +1009,7 @@ int netvsc_initialize(struct hv_driver *drv)
 {
 
 	drv->name = driver_name;
-	memcpy(&drv->dev_type, &netvsc_device_type, sizeof(struct hv_guid));
+	memcpy(&drv->dev_type, &netvsc_device_type, sizeof(uuid_le));
 
 	return 0;
 }

drivers/staging/hv/storvsc_drv.c

@@ -45,8 +45,8 @@ MODULE_PARM_DESC(storvsc_ringbuffer_size, "Ring buffer size (bytes)");
 static const char *driver_name = "storvsc";
 
 /* {ba6163d9-04a1-4d29-b605-72e2ffb1dc7f} */
-static const struct hv_guid stor_vsci_device_type = {
-	.data = {
+static const uuid_le stor_vsci_device_type = {
+	.b = {
 		0xd9, 0x63, 0x61, 0xba, 0xa1, 0x04, 0x29, 0x4d,
 		0xb6, 0x05, 0x72, 0xe2, 0xff, 0xb1, 0xdc, 0x7f
 	}
@@ -765,7 +765,7 @@ static int __init storvsc_drv_init(void)
 	sizeof(u64)));
 
 	memcpy(&drv->dev_type, &stor_vsci_device_type,
-	       sizeof(struct hv_guid));
+	       sizeof(uuid_le));
 
 	if (max_outstanding_req_per_channel <
 	    STORVSC_MAX_IO_REQUESTS)

drivers/staging/hv/vmbus_drv.c

@@ -64,9 +64,9 @@ static void get_channel_info(struct hv_device *device,
 	info->chn_id = debug_info.relid;
 	info->chn_state = debug_info.state;
 	memcpy(&info->chn_type, &debug_info.interfacetype,
-	       sizeof(struct hv_guid));
+	       sizeof(uuid_le));
 	memcpy(&info->chn_instance, &debug_info.interface_instance,
-	       sizeof(struct hv_guid));
+	       sizeof(uuid_le));
 
 	info->monitor_id = debug_info.monitorid;
 
@@ -116,41 +116,41 @@ static ssize_t vmbus_show_device_attr(struct device *dev,
 	if (!strcmp(dev_attr->attr.name, "class_id")) {
 		return sprintf(buf, "{%02x%02x%02x%02x-%02x%02x-%02x%02x-"
 			       "%02x%02x%02x%02x%02x%02x%02x%02x}\n",
-			       device_info.chn_type.data[3],
-			       device_info.chn_type.data[2],
-			       device_info.chn_type.data[1],
-			       device_info.chn_type.data[0],
-			       device_info.chn_type.data[5],
-			       device_info.chn_type.data[4],
-			       device_info.chn_type.data[7],
-			       device_info.chn_type.data[6],
-			       device_info.chn_type.data[8],
-			       device_info.chn_type.data[9],
-			       device_info.chn_type.data[10],
-			       device_info.chn_type.data[11],
-			       device_info.chn_type.data[12],
-			       device_info.chn_type.data[13],
-			       device_info.chn_type.data[14],
-			       device_info.chn_type.data[15]);
+			       device_info.chn_type.b[3],
+			       device_info.chn_type.b[2],
+			       device_info.chn_type.b[1],
+			       device_info.chn_type.b[0],
+			       device_info.chn_type.b[5],
+			       device_info.chn_type.b[4],
+			       device_info.chn_type.b[7],
+			       device_info.chn_type.b[6],
+			       device_info.chn_type.b[8],
+			       device_info.chn_type.b[9],
+			       device_info.chn_type.b[10],
+			       device_info.chn_type.b[11],
+			       device_info.chn_type.b[12],
+			       device_info.chn_type.b[13],
+			       device_info.chn_type.b[14],
+			       device_info.chn_type.b[15]);
 	} else if (!strcmp(dev_attr->attr.name, "device_id")) {
 		return sprintf(buf, "{%02x%02x%02x%02x-%02x%02x-%02x%02x-"
 			       "%02x%02x%02x%02x%02x%02x%02x%02x}\n",
-			       device_info.chn_instance.data[3],
-			       device_info.chn_instance.data[2],
-			       device_info.chn_instance.data[1],
-			       device_info.chn_instance.data[0],
-			       device_info.chn_instance.data[5],
-			       device_info.chn_instance.data[4],
-			       device_info.chn_instance.data[7],
-			       device_info.chn_instance.data[6],
-			       device_info.chn_instance.data[8],
-			       device_info.chn_instance.data[9],
-			       device_info.chn_instance.data[10],
-			       device_info.chn_instance.data[11],
-			       device_info.chn_instance.data[12],
-			       device_info.chn_instance.data[13],
-			       device_info.chn_instance.data[14],
-			       device_info.chn_instance.data[15]);
+			       device_info.chn_instance.b[3],
+			       device_info.chn_instance.b[2],
+			       device_info.chn_instance.b[1],
+			       device_info.chn_instance.b[0],
+			       device_info.chn_instance.b[5],
+			       device_info.chn_instance.b[4],
+			       device_info.chn_instance.b[7],
+			       device_info.chn_instance.b[6],
+			       device_info.chn_instance.b[8],
+			       device_info.chn_instance.b[9],
+			       device_info.chn_instance.b[10],
+			       device_info.chn_instance.b[11],
+			       device_info.chn_instance.b[12],
+			       device_info.chn_instance.b[13],
+			       device_info.chn_instance.b[14],
+			       device_info.chn_instance.b[15]);
 	} else if (!strcmp(dev_attr->attr.name, "state")) {
 		return sprintf(buf, "%d\n", device_info.chn_state);
 	} else if (!strcmp(dev_attr->attr.name, "id")) {
@@ -246,22 +246,22 @@ static int vmbus_uevent(struct device *device, struct kobj_uevent_env *env)
 	ret = add_uevent_var(env, "VMBUS_DEVICE_CLASS_GUID={"
 			     "%02x%02x%02x%02x-%02x%02x-%02x%02x-"
 			     "%02x%02x%02x%02x%02x%02x%02x%02x}",
-			     dev->dev_type.data[3],
-			     dev->dev_type.data[2],
-			     dev->dev_type.data[1],
-			     dev->dev_type.data[0],
-			     dev->dev_type.data[5],
-			     dev->dev_type.data[4],
-			     dev->dev_type.data[7],
-			     dev->dev_type.data[6],
-			     dev->dev_type.data[8],
-			     dev->dev_type.data[9],
-			     dev->dev_type.data[10],
-			     dev->dev_type.data[11],
-			     dev->dev_type.data[12],
-			     dev->dev_type.data[13],
-			     dev->dev_type.data[14],
-			     dev->dev_type.data[15]);
+			     dev->dev_type.b[3],
+			     dev->dev_type.b[2],
+			     dev->dev_type.b[1],
+			     dev->dev_type.b[0],
+			     dev->dev_type.b[5],
+			     dev->dev_type.b[4],
+			     dev->dev_type.b[7],
+			     dev->dev_type.b[6],
+			     dev->dev_type.b[8],
+			     dev->dev_type.b[9],
+			     dev->dev_type.b[10],
+			     dev->dev_type.b[11],
+			     dev->dev_type.b[12],
+			     dev->dev_type.b[13],
+			     dev->dev_type.b[14],
+			     dev->dev_type.b[15]);
 
 	if (ret)
 		return ret;
@@ -269,22 +269,22 @@ static int vmbus_uevent(struct device *device, struct kobj_uevent_env *env)
 	ret = add_uevent_var(env, "VMBUS_DEVICE_DEVICE_GUID={"
 			     "%02x%02x%02x%02x-%02x%02x-%02x%02x-"
 			     "%02x%02x%02x%02x%02x%02x%02x%02x}",
-			     dev->dev_instance.data[3],
-			     dev->dev_instance.data[2],
-			     dev->dev_instance.data[1],
-			     dev->dev_instance.data[0],
-			     dev->dev_instance.data[5],
-			     dev->dev_instance.data[4],
-			     dev->dev_instance.data[7],
-			     dev->dev_instance.data[6],
-			     dev->dev_instance.data[8],
-			     dev->dev_instance.data[9],
-			     dev->dev_instance.data[10],
-			     dev->dev_instance.data[11],
-			     dev->dev_instance.data[12],
-			     dev->dev_instance.data[13],
-			     dev->dev_instance.data[14],
-			     dev->dev_instance.data[15]);
+			     dev->dev_instance.b[3],
+			     dev->dev_instance.b[2],
+			     dev->dev_instance.b[1],
+			     dev->dev_instance.b[0],
+			     dev->dev_instance.b[5],
+			     dev->dev_instance.b[4],
+			     dev->dev_instance.b[7],
+			     dev->dev_instance.b[6],
+			     dev->dev_instance.b[8],
+			     dev->dev_instance.b[9],
+			     dev->dev_instance.b[10],
+			     dev->dev_instance.b[11],
+			     dev->dev_instance.b[12],
+			     dev->dev_instance.b[13],
+			     dev->dev_instance.b[14],
+			     dev->dev_instance.b[15]);
 	if (ret)
 		return ret;
 
@@ -303,7 +303,7 @@ static int vmbus_match(struct device *device, struct device_driver *driver)
 
 	/* We found our driver ? */
 	if (memcmp(&hv_dev->dev_type, &drv->dev_type,
-		   sizeof(struct hv_guid)) == 0)
+		   sizeof(uuid_le)) == 0)
 		match = 1;
 
 	return match;
@@ -630,8 +630,8 @@ EXPORT_SYMBOL(vmbus_child_driver_unregister);
  * vmbus_child_device_create - Creates and registers a new child device
  * on the vmbus.
  */
-struct hv_device *vmbus_child_device_create(struct hv_guid *type,
-					    struct hv_guid *instance,
+struct hv_device *vmbus_child_device_create(uuid_le *type,
+					    uuid_le *instance,
 					    struct vmbus_channel *channel)
 {
 	struct hv_device *child_device_obj;
@@ -644,9 +644,9 @@ struct hv_device *vmbus_child_device_create(struct hv_guid *type,
 	}
 
 	child_device_obj->channel = channel;
-	memcpy(&child_device_obj->dev_type, type, sizeof(struct hv_guid));
+	memcpy(&child_device_obj->dev_type, type, sizeof(uuid_le));
 	memcpy(&child_device_obj->dev_instance, instance,
-	       sizeof(struct hv_guid));
+	       sizeof(uuid_le));
 
 
 	return child_device_obj;