Staging: hv: create VMBUS_DEVICE macro and use it.

This is to be used to be able to write hv_vmbus_device_id tables easier.

This patch also converts all hv drivers to use the macro, saving some
lines of code and making things easier to read overall.

Cc: K. Y. Srinivasan <kys@microsoft.com>
Cc: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/staging/hv/blkvsc_drv.c

@@ -795,16 +795,10 @@ static void blkvsc_request(struct request_queue *queue)
 }
 
 static const struct hv_vmbus_device_id id_table[] = {
-	{
-		/* IDE guid */
-		.guid = {
-			0x32, 0x26, 0x41, 0x32, 0xcb, 0x86, 0xa2, 0x44,
-			0x9b, 0x5c, 0x50, 0xd1, 0x41, 0x73, 0x54, 0xf5
-		}
-	},
-	{
-		.guid = { }
-	},
+	/* IDE guid */
+	{ VMBUS_DEVICE(0x32, 0x26, 0x41, 0x32, 0xcb, 0x86, 0xa2, 0x44,
+		       0x9b, 0x5c, 0x50, 0xd1, 0x41, 0x73, 0x54, 0xf5) },
+	{ },
 };
 
 MODULE_DEVICE_TABLE(vmbus, id_table);

drivers/staging/hv/hv_mouse.c

@@ -909,16 +909,10 @@ static void reportdesc_callback(struct hv_device *dev, void *packet, u32 len)
 }
 
 static const struct hv_vmbus_device_id id_table[] = {
-	{
-		/* Mouse guid */
-		.guid = {
-			0x9E, 0xB6, 0xA8, 0xCF, 0x4A, 0x5B, 0xc0, 0x4c,
-			0xB9, 0x8B, 0x8B, 0xA1, 0xA1, 0xF3, 0xF9, 0x5A
-		}
-	},
-	{
-		.guid = { }
-	},
+	/* Mouse guid */
+	{ VMBUS_DEVICE(0x9E, 0xB6, 0xA8, 0xCF, 0x4A, 0x5B, 0xc0, 0x4c,
+		       0xB9, 0x8B, 0x8B, 0xA1, 0xA1, 0xF3, 0xF9, 0x5A) },
+	{ },
 };
 
 /*

drivers/staging/hv/hv_util.c

@@ -227,37 +227,19 @@ static int util_remove(struct hv_device *dev)
 }
 
 static const struct hv_vmbus_device_id id_table[] = {
-	{
-		/* Shutdown guid */
-		.guid = {
-			0x31, 0x60, 0x0B, 0X0E, 0x13, 0x52, 0x34, 0x49,
-			0x81, 0x8B, 0x38, 0XD9, 0x0C, 0xED, 0x39, 0xDB
-		}
-	},
-	{
-		/* Time synch guid */
-		.guid = {
-			0x30, 0xe6, 0x27, 0x95, 0xae, 0xd0, 0x7b, 0x49,
-			0xad, 0xce, 0xe8, 0x0a, 0xb0, 0x17, 0x5c, 0xaf
-		}
-	},
-	{
-		/* Heartbeat guid */
-		.guid = {
-			0x39, 0x4f, 0x16, 0x57, 0x15, 0x91, 0x78, 0x4e,
-			0xab, 0x55, 0x38, 0x2f, 0x3b, 0xd5, 0x42, 0x2d
-		}
-	},
-	{
-		/* KVP guid */
-		.guid = {
-			0xe7, 0xf4, 0xa0, 0xa9, 0x45, 0x5a, 0x96, 0x4d,
-			0xb8, 0x27, 0x8a, 0x84, 0x1e, 0x8c, 0x3,  0xe6
-		}
-	},
-	{
-		.guid = { }
-	},
+	/* Shutdown guid */
+	{ VMBUS_DEVICE(0x31, 0x60, 0x0B, 0X0E, 0x13, 0x52, 0x34, 0x49,
+		       0x81, 0x8B, 0x38, 0XD9, 0x0C, 0xED, 0x39, 0xDB) },
+	/* Time synch guid */
+	{ VMBUS_DEVICE(0x30, 0xe6, 0x27, 0x95, 0xae, 0xd0, 0x7b, 0x49,
+		       0xad, 0xce, 0xe8, 0x0a, 0xb0, 0x17, 0x5c, 0xaf) },
+	/* Heartbeat guid */
+	{ VMBUS_DEVICE(0x39, 0x4f, 0x16, 0x57, 0x15, 0x91, 0x78, 0x4e,
+		       0xab, 0x55, 0x38, 0x2f, 0x3b, 0xd5, 0x42, 0x2d) },
+	/* KVP guid */
+	{ VMBUS_DEVICE(0xe7, 0xf4, 0xa0, 0xa9, 0x45, 0x5a, 0x96, 0x4d,
+		       0xb8, 0x27, 0x8a, 0x84, 0x1e, 0x8c, 0x3,  0xe6) },
+	{ },
 };
 
 MODULE_DEVICE_TABLE(vmbus, id_table);

drivers/staging/hv/hyperv.h

@@ -848,6 +848,17 @@ static inline struct hv_driver *drv_to_hv_drv(struct device_driver *d)
 int vmbus_child_driver_register(struct device_driver *drv);
 void vmbus_child_driver_unregister(struct device_driver *drv);
 
+/**
+ * VMBUS_DEVICE - macro used to describe a specific hyperv vmbus device
+ *
+ * This macro is used to create a struct hv_vmbus_device_id that matches a
+ * specific device.
+ */
+#define VMBUS_DEVICE(g0, g1, g2, g3, g4, g5, g6, g7,	\
+		     g8, g9, ga, gb, gc, gd, ge, gf)	\
+	.guid = { g0, g1, g2, g3, g4, g5, g6, g7,	\
+		  g8, g9, ga, gb, gc, gd, ge, gf },
+
 /*
  * Common header for Hyper-V ICs
  */

drivers/staging/hv/netvsc_drv.c

@@ -414,16 +414,10 @@ static int netvsc_remove(struct hv_device *dev)
 }
 
 static const struct hv_vmbus_device_id id_table[] = {
-	{
-		/* Network guid */
-		.guid = {
-			0x63, 0x51, 0x61, 0xF8, 0x3E, 0xDF, 0xc5, 0x46,
-			0x91, 0x3F, 0xF2, 0xD2, 0xF9, 0x65, 0xED, 0x0E
-		}
-	},
-	{
-		.guid = { }
-	},
+	/* Network guid */
+	{ VMBUS_DEVICE(0x63, 0x51, 0x61, 0xF8, 0x3E, 0xDF, 0xc5, 0x46,
+		       0x91, 0x3F, 0xF2, 0xD2, 0xF9, 0x65, 0xED, 0x0E) },
+	{ },
 };
 
 MODULE_DEVICE_TABLE(vmbus, id_table);

drivers/staging/hv/storvsc_drv.c

@@ -639,16 +639,10 @@ static struct scsi_host_template scsi_driver = {
 };
 
 static const struct hv_vmbus_device_id id_table[] = {
-	{
-		/* SCSI guid */
-		.guid = {
-			0xd9, 0x63, 0x61, 0xba, 0xa1, 0x04, 0x29, 0x4d,
-			0xb6, 0x05, 0x72, 0xe2, 0xff, 0xb1, 0xdc, 0x7f
-		}
-	},
-	{
-		.guid = { }
-	},
+	/* SCSI guid */
+	{ VMBUS_DEVICE(0xd9, 0x63, 0x61, 0xba, 0xa1, 0x04, 0x29, 0x4d,
+		       0xb6, 0x05, 0x72, 0xe2, 0xff, 0xb1, 0xdc, 0x7f) },
+	{ },
 };
 
 MODULE_DEVICE_TABLE(vmbus, id_table);