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Subject[PATCH 12/49] Staging: hv: storvsc: Add a DMI signature to support auto-loading
Date
To support auto-loading the storvsc driver, add a DMI signature.

Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Abhishek Kane <v-abkane@microsoft.com>
---
drivers/staging/hv/storvsc_drv.c | 22 ++++++++++++++++++++++
1 files changed, 22 insertions(+), 0 deletions(-)
diff --git a/drivers/staging/hv/storvsc_drv.c b/drivers/staging/hv/storvsc_drv.c
index 53e9ebd..2c6d2f2 100644
--- a/drivers/staging/hv/storvsc_drv.c
+++ b/drivers/staging/hv/storvsc_drv.c
@@ -24,6 +24,7 @@
#include <linux/module.h>
#include <linux/device.h>
#include <linux/blkdev.h>
+#include <linux/dmi.h>
#include <scsi/scsi.h>
#include <scsi/scsi_cmnd.h>
#include <scsi/scsi_host.h>
@@ -723,6 +724,27 @@ static struct hv_driver storvsc_drv = {
.remove = storvsc_remove,
};

+/*
+ * We use a DMI table to determine if we should autoload this driver This is
+ * needed by distro tools to determine if the hyperv drivers should be
+ * installed and/or configured. We don't do anything else with the table, but
+ * it needs to be present.
+ */
+
+static const struct dmi_system_id __initconst
+hv_stor_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_stor_dmi_table);
+
static int __init storvsc_drv_init(void)
{
int ret;
--
1.7.4.1


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