From 06e719d80ff900973cddffa84fc2d7620c69a236 Mon Sep 17 00:00:00 2001
From: "K. Y. Srinivasan" <ksrinivasan@novell.com>
Date: Fri, 7 May 2010 17:52:17 -0600
Subject: [PATCH] Staging: hv: auto-load MSFT PV NIC driver

Signed-off-by: K. Y. Srinivasan <ksrinivasan@novell.com>
Cc: Hank Janssen <hjanssen@microsoft.com>
Cc: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/hv/netvsc_drv.c | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)

diff --git a/drivers/staging/hv/netvsc_drv.c b/drivers/staging/hv/netvsc_drv.c
index 30c946c133c2..1bda2407b49c 100644
--- a/drivers/staging/hv/netvsc_drv.c
+++ b/drivers/staging/hv/netvsc_drv.c
@@ -30,6 +30,8 @@
 #include <linux/skbuff.h>
 #include <linux/in.h>
 #include <linux/slab.h>
+#include <linux/dmi.h>
+#include <linux/pci.h>
 #include <net/arp.h>
 #include <net/route.h>
 #include <net/sock.h>
@@ -551,6 +553,20 @@ static int netvsc_drv_init(int (*drv_init)(struct hv_driver *drv))
 	return ret;
 }
 
+static const struct dmi_system_id __initconst
+hv_netvsc_dmi_table[] __maybe_unused  = {
+	{
+		.ident = "Hyper-V",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "Microsoft Corporation"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "Virtual Machine"),
+			DMI_MATCH(DMI_BOARD_NAME, "Virtual Machine"),
+		},
+	},
+	{ },
+};
+MODULE_DEVICE_TABLE(dmi, hv_netvsc_dmi_table);
+
 static int __init netvsc_init(void)
 {
 	int ret;
@@ -558,6 +574,9 @@ static int __init netvsc_init(void)
 	DPRINT_ENTER(NETVSC_DRV);
 	DPRINT_INFO(NETVSC_DRV, "Netvsc initializing....");
 
+	if (!dmi_check_system(hv_netvsc_dmi_table))
+		return -ENODEV;
+
 	ret = netvsc_drv_init(NetVscInitialize);
 
 	DPRINT_EXIT(NETVSC_DRV);
@@ -572,6 +591,13 @@ static void __exit netvsc_exit(void)
 	DPRINT_EXIT(NETVSC_DRV);
 }
 
+static const struct pci_device_id __initconst
+hv_netvsc_pci_table[] __maybe_unused = {
+	{ PCI_DEVICE(0x1414, 0x5353) }, /* VGA compatible controller */
+	{ 0 }
+};
+MODULE_DEVICE_TABLE(pci, hv_netvsc_pci_table);
+
 MODULE_LICENSE("GPL");
 MODULE_VERSION(HV_DRV_VERSION);
 MODULE_DESCRIPTION("Microsoft Hyper-V network driver");
-- 
2.39.5