mirror of
https://git.proxmox.com/git/fwupd
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e87fc05ab9
We were calling g_module_symbol() 2703 times, which is actually more expensive than you'd think. It also means the plugins are actually what we tell people they are: A set of vfuncs that get run. The reality before that they were dlsym'd functions that get called at pretty random times.
67 lines
1.7 KiB
C
67 lines
1.7 KiB
C
/*
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* Copyright (C) 2019 Richard Hughes <richard@hughsie.com>
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*
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* SPDX-License-Identifier: LGPL-2.1+
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*/
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#include "config.h"
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#include <fwupdplugin.h>
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struct FuPluginData {
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gboolean has_iommu;
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};
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static void
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fu_plugin_iommu_init(FuPlugin *plugin)
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{
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fu_plugin_alloc_data(plugin, sizeof(FuPluginData));
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fu_plugin_add_udev_subsystem(plugin, "iommu");
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}
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static gboolean
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fu_plugin_iommu_backend_device_added(FuPlugin *plugin, FuDevice *device, GError **error)
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{
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FuPluginData *priv = fu_plugin_get_data(plugin);
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/* interesting device? */
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if (!FU_IS_UDEV_DEVICE(device))
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return TRUE;
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if (g_strcmp0(fu_udev_device_get_subsystem(FU_UDEV_DEVICE(device)), "iommu") != 0)
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return TRUE;
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priv->has_iommu = TRUE;
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return TRUE;
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}
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static void
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fu_plugin_iommu_add_security_attrs(FuPlugin *plugin, FuSecurityAttrs *attrs)
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{
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FuPluginData *data = fu_plugin_get_data(plugin);
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g_autoptr(FwupdSecurityAttr) attr = NULL;
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/* create attr */
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attr = fwupd_security_attr_new(FWUPD_SECURITY_ATTR_ID_IOMMU);
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fwupd_security_attr_set_level(attr, FWUPD_SECURITY_ATTR_LEVEL_IMPORTANT);
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fwupd_security_attr_set_plugin(attr, fu_plugin_get_name(plugin));
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fu_security_attrs_append(attrs, attr);
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if (!data->has_iommu) {
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fwupd_security_attr_set_result(attr, FWUPD_SECURITY_ATTR_RESULT_NOT_FOUND);
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return;
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}
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/* success */
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fwupd_security_attr_add_flag(attr, FWUPD_SECURITY_ATTR_FLAG_SUCCESS);
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fwupd_security_attr_set_result(attr, FWUPD_SECURITY_ATTR_RESULT_ENABLED);
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}
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void
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fu_plugin_init_vfuncs(FuPluginVfuncs *vfuncs)
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{
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vfuncs->build_hash = FU_BUILD_HASH;
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vfuncs->init = fu_plugin_iommu_init;
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vfuncs->backend_device_added = fu_plugin_iommu_backend_device_added;
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vfuncs->add_security_attrs = fu_plugin_iommu_add_security_attrs;
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}
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