[PATCH 12/49] Staging: hv: storvsc: Add a DMI signature to support auto-loading
From: "K. Y. Srinivasan" <kys@microsoft.com>
Date: 2011-06-06 22:46:59
Also in:
lkml
Subsystem:
staging subsystem, the rest · Maintainers:
Greg Kroah-Hartman, Linus Torvalds
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 <redacted> --- 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