On 02/25/2018 07:55 AM, Or Idgar wrote: > From: Or Idgar <[email protected]> > > This patch is a driver which expose the Virtual Machine Generation ID > via sysfs. The ID is a UUID value used to differentiate between virtual > machines. > > The VM-Generation ID is a feature defined by Microsoft (paper: > http://go.microsoft.com/fwlink/?LinkId=260709) and supported by multiple > hypervisor vendors. > > Signed-off-by: Or Idgar <[email protected]> > --- > > Changes in v3 from v1 (v2 lack of patch changelog): > - replaced GPL2 section with SPDX line. > - including linux/kobject.h for hypervisor_kobj. > - using acpi_os_map_memory instead acpi_os_map_iomem. > > Documentation/ABI/testing/sysfs-hypervisor | 13 +++ > drivers/misc/Kconfig | 6 ++ > drivers/misc/Makefile | 1 + > drivers/misc/vmgenid.c | 140 > +++++++++++++++++++++++++++++ > 4 files changed, 160 insertions(+) > create mode 100644 Documentation/ABI/testing/sysfs-hypervisor > create mode 100644 drivers/misc/vmgenid.c
$Subject says drivers/virt/. Please choose one. > diff --git a/drivers/misc/vmgenid.c b/drivers/misc/vmgenid.c > new file mode 100644 > index 000000000000..6b7ec9bd45e8 > --- /dev/null > +++ b/drivers/misc/vmgenid.c > @@ -0,0 +1,140 @@ > +// SPDX-License-Identifier: GPL-2.0 > +/* > + * Virtual Machine Generation ID driver > + * > + * Copyright (C) 2018 Red Hat, Inc. All rights reserved. > + * Authors: > + * Or Idgar <[email protected]> > + * Gal Hammer <[email protected]> > + * > + */ > +#include <linux/init.h> > +#include <linux/module.h> > +#include <linux/kernel.h> > +#include <linux/kobject.h> > +#include <linux/acpi.h> > +#include <linux/uuid.h> > + > +MODULE_LICENSE("GPL"); > +MODULE_AUTHOR("Or Idgar <[email protected]>"); > +MODULE_AUTHOR("Gal Hammer <[email protected]>"); > +MODULE_DESCRIPTION("Virtual Machine Generation ID"); > +MODULE_VERSION("0.1"); > + > +ACPI_MODULE_NAME("vmgenid"); > + > +static u64 phy_addr; Minor nit: I would prefer phys_addr since we also have PHY devices that have a phy addr. thanks, -- ~Randy
