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https://git.proxmox.com/git/fwupd
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dfaae2e837
There are now multiple plugins using drm_dp_aux_dev interface which may potentially be combined with an amdgpu. Prevent exercising this interface with any plugin using DP aux unless a new enough kernel is installed.
65 lines
1.7 KiB
C
65 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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#include "fu-tpm-device.h"
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struct FuPluginData {
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gboolean has_tpm;
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gboolean has_tpm_v20;
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};
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void
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fu_plugin_init (FuPlugin *plugin)
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{
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fu_plugin_alloc_data (plugin, sizeof (FuPluginData));
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fu_plugin_set_build_hash (plugin, FU_BUILD_HASH);
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fu_plugin_add_udev_subsystem (plugin, "tpm");
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fu_plugin_add_device_gtype (plugin, FU_TYPE_TPM_DEVICE);
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}
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void
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fu_plugin_device_added (FuPlugin *plugin, FuDevice *dev)
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{
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FuPluginData *data = fu_plugin_get_data (plugin);
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const gchar *family = fu_tpm_device_get_family (FU_TPM_DEVICE (dev));
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data->has_tpm = TRUE;
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if (g_strcmp0 (family, "2.0") == 0)
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data->has_tpm_v20 = TRUE;
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fu_plugin_add_report_metadata (plugin, "TpmFamily", family);
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}
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void
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fu_plugin_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_TPM_VERSION_20);
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fwupd_security_attr_set_plugin (attr, fu_plugin_get_name (plugin));
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fwupd_security_attr_set_level (attr, FWUPD_SECURITY_ATTR_LEVEL_CRITICAL);
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fu_security_attrs_append (attrs, attr);
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/* check exists, and in v2.0 mode */
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if (!data->has_tpm) {
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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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if (!data->has_tpm_v20) {
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fwupd_security_attr_set_result (attr, FWUPD_SECURITY_ATTR_RESULT_NOT_ENABLED);
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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_FOUND);
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}
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