fwupd/plugins/iommu/fu-plugin-iommu.c
2021-08-24 11:18:40 -05:00

59 lines
1.4 KiB
C

/*
* Copyright (C) 2019 Richard Hughes <richard@hughsie.com>
*
* SPDX-License-Identifier: LGPL-2.1+
*/
#include "config.h"
#include <fwupdplugin.h>
struct FuPluginData {
gboolean has_iommu;
};
void
fu_plugin_init(FuPlugin *plugin)
{
fu_plugin_alloc_data(plugin, sizeof(FuPluginData));
fu_plugin_set_build_hash(plugin, FU_BUILD_HASH);
fu_plugin_add_udev_subsystem(plugin, "iommu");
}
gboolean
fu_plugin_backend_device_added(FuPlugin *plugin, FuDevice *device, GError **error)
{
FuPluginData *priv = fu_plugin_get_data(plugin);
/* interesting device? */
if (!FU_IS_UDEV_DEVICE(device))
return TRUE;
if (g_strcmp0(fu_udev_device_get_subsystem(FU_UDEV_DEVICE(device)), "iommu") != 0)
return TRUE;
priv->has_iommu = TRUE;
return TRUE;
}
void
fu_plugin_add_security_attrs(FuPlugin *plugin, FuSecurityAttrs *attrs)
{
FuPluginData *data = fu_plugin_get_data(plugin);
g_autoptr(FwupdSecurityAttr) attr = NULL;
/* create attr */
attr = fwupd_security_attr_new(FWUPD_SECURITY_ATTR_ID_IOMMU);
fwupd_security_attr_set_level(attr, FWUPD_SECURITY_ATTR_LEVEL_IMPORTANT);
fwupd_security_attr_set_plugin(attr, fu_plugin_get_name(plugin));
fu_security_attrs_append(attrs, attr);
if (!data->has_iommu) {
fwupd_security_attr_set_result(attr, FWUPD_SECURITY_ATTR_RESULT_NOT_FOUND);
return;
}
/* success */
fwupd_security_attr_add_flag(attr, FWUPD_SECURITY_ATTR_FLAG_SUCCESS);
fwupd_security_attr_set_result(attr, FWUPD_SECURITY_ATTR_RESULT_ENABLED);
}