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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.
63 lines
1.7 KiB
C
63 lines
1.7 KiB
C
/*
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* Copyright (C) 2020 Mario Limonciello <mario.limonciello@dell.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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static gboolean
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fu_plugin_bios_startup(FuPlugin *plugin, GError **error)
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{
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FuContext *ctx = fu_plugin_get_context(plugin);
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const gchar *vendor;
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vendor = fu_context_get_hwid_value(ctx, FU_HWIDS_KEY_BIOS_VENDOR);
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if (g_strcmp0(vendor, "coreboot") == 0) {
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g_set_error(error, FWUPD_ERROR, FWUPD_ERROR_NOT_FOUND, "system uses coreboot");
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return FALSE;
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}
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return TRUE;
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}
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static gboolean
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fu_plugin_bios_coldplug(FuPlugin *plugin, GError **error)
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{
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g_autofree gchar *sysfsfwdir = NULL;
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g_autofree gchar *esrt_path = NULL;
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/* are the EFI dirs set up so we can update each device */
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#if defined(__x86_64__) || defined(__i386__)
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g_autoptr(GError) error_local = NULL;
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if (!fu_efivar_supported(&error_local)) {
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fu_plugin_add_flag(plugin, FWUPD_PLUGIN_FLAG_LEGACY_BIOS);
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fu_plugin_add_flag(plugin, FWUPD_PLUGIN_FLAG_USER_WARNING);
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return TRUE;
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}
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#endif
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/* get the directory of ESRT entries */
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sysfsfwdir = fu_common_get_path(FU_PATH_KIND_SYSFSDIR_FW);
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esrt_path = g_build_filename(sysfsfwdir, "efi", "esrt", NULL);
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if (!g_file_test(esrt_path, G_FILE_TEST_IS_DIR)) {
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fu_plugin_add_flag(plugin, FWUPD_PLUGIN_FLAG_CAPSULES_UNSUPPORTED);
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fu_plugin_add_flag(plugin, FWUPD_PLUGIN_FLAG_USER_WARNING);
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return TRUE;
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}
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/* we appear to have UEFI capsule updates */
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fu_plugin_add_flag(plugin, FWUPD_PLUGIN_FLAG_DISABLED);
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return TRUE;
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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->startup = fu_plugin_bios_startup;
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vfuncs->coldplug = fu_plugin_bios_coldplug;
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}
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