mirror of
https://git.proxmox.com/git/fwupd
synced 2025-06-12 03:02:21 +00:00
a93feda72b
The DMAR attribute is for Intel only, but AMD has the same feature in the IVRS table. Rename the attribute to clarify this.
64 lines
1.8 KiB
C
64 lines
1.8 KiB
C
/*
|
|
* Copyright (C) 2020 Richard Hughes <richard@hughsie.com>
|
|
*
|
|
* SPDX-License-Identifier: LGPL-2.1+
|
|
*/
|
|
|
|
#include "config.h"
|
|
|
|
#include <fwupdplugin.h>
|
|
|
|
#include "fu-acpi-dmar.h"
|
|
|
|
static void
|
|
fu_plugin_acpi_dmar_add_security_attrs(FuPlugin *plugin, FuSecurityAttrs *attrs)
|
|
{
|
|
g_autofree gchar *fn = NULL;
|
|
g_autofree gchar *path = NULL;
|
|
g_autoptr(FuAcpiDmar) dmar = NULL;
|
|
g_autoptr(FwupdSecurityAttr) attr = NULL;
|
|
g_autoptr(GBytes) blob = NULL;
|
|
g_autoptr(GError) error_local = NULL;
|
|
|
|
/* only Intel */
|
|
if (fu_common_get_cpu_vendor() != FU_CPU_VENDOR_INTEL)
|
|
return;
|
|
|
|
/* create attr */
|
|
attr = fwupd_security_attr_new(FWUPD_SECURITY_ATTR_ID_PREBOOT_DMA_PROTECTION);
|
|
fwupd_security_attr_set_plugin(attr, fu_plugin_get_name(plugin));
|
|
fwupd_security_attr_set_level(attr, FWUPD_SECURITY_ATTR_LEVEL_THEORETICAL);
|
|
fu_security_attrs_append(attrs, attr);
|
|
|
|
/* load DMAR table */
|
|
path = fu_common_get_path(FU_PATH_KIND_ACPI_TABLES);
|
|
fn = g_build_filename(path, "DMAR", NULL);
|
|
blob = fu_common_get_contents_bytes(fn, &error_local);
|
|
if (blob == NULL) {
|
|
g_debug("failed to load %s: %s", fn, error_local->message);
|
|
fwupd_security_attr_set_result(attr, FWUPD_SECURITY_ATTR_RESULT_NOT_VALID);
|
|
return;
|
|
}
|
|
dmar = fu_acpi_dmar_new(blob, &error_local);
|
|
if (dmar == NULL) {
|
|
g_warning("failed to parse %s: %s", fn, error_local->message);
|
|
fwupd_security_attr_set_result(attr, FWUPD_SECURITY_ATTR_RESULT_NOT_VALID);
|
|
return;
|
|
}
|
|
if (!fu_acpi_dmar_get_opt_in(dmar)) {
|
|
fwupd_security_attr_set_result(attr, FWUPD_SECURITY_ATTR_RESULT_NOT_ENABLED);
|
|
return;
|
|
}
|
|
|
|
/* success */
|
|
fwupd_security_attr_set_result(attr, FWUPD_SECURITY_ATTR_RESULT_ENABLED);
|
|
fwupd_security_attr_add_flag(attr, FWUPD_SECURITY_ATTR_FLAG_SUCCESS);
|
|
}
|
|
|
|
void
|
|
fu_plugin_init_vfuncs(FuPluginVfuncs *vfuncs)
|
|
{
|
|
vfuncs->build_hash = FU_BUILD_HASH;
|
|
vfuncs->add_security_attrs = fu_plugin_acpi_dmar_add_security_attrs;
|
|
}
|