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plugins/flashrom: add flashrom-specific GUIDs

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Signed-off-by: Sergii Dmytruk <sergii.dmytruk@3mdeb.com>
This commit is contained in:
Sergii Dmytruk 2022-04-18 15:56:51 +03:00 committed by Richard Hughes
parent 2bac03eee1
commit e65cb98cc8
1 changed files with 54 additions and 3 deletions
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57
plugins/flashrom/fu-plugin-flashrom.c
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@ -17,14 +17,27 @@
#define SELFCHECK_TRUE 1
struct FuPluginData {
gchar *guid; /* GUID from quirks that activated this plugin */
};
static void
fu_plugin_flashrom_init(FuPlugin *plugin)
{
(void)fu_plugin_alloc_data(plugin, sizeof(FuPluginData));
fu_plugin_add_rule(plugin, FU_PLUGIN_RULE_METADATA_SOURCE, "linux_lockdown");
fu_plugin_add_rule(plugin, FU_PLUGIN_RULE_CONFLICTS, "coreboot"); /* obsoleted */
fu_plugin_add_flag(plugin, FWUPD_PLUGIN_FLAG_REQUIRE_HWID);
}
static void
fu_plugin_flashrom_destroy(FuPlugin *plugin)
{
FuPluginData *data = fu_plugin_get_data(plugin);
g_free(data->guid);
}
static int
fu_plugin_flashrom_debug_cb(enum flashrom_log_level lvl, const char *fmt, va_list args)
{
@ -143,7 +156,10 @@ fu_plugin_flashrom_device_set_hwids(FuPlugin *plugin, FuDevice *device)
}
static FuDevice *
fu_plugin_flashrom_add_device(FuPlugin *plugin, FuIfdRegion region, GError **error)
fu_plugin_flashrom_add_device(FuPlugin *plugin,
const gchar *guid,
FuIfdRegion region,
GError **error)
{
FuContext *ctx = fu_plugin_get_context(plugin);
const gchar *dmi_vendor;
@ -168,6 +184,11 @@ fu_plugin_flashrom_add_device(FuPlugin *plugin, FuIfdRegion region, GError **err
NULL))
return NULL;
/* add this so we can attach board-specific quirks */
fu_device_add_instance_str(FU_DEVICE(device), "GUID", guid);
if (!fu_device_build_instance_id(FU_DEVICE(device), error, "FLASHROM", "GUID", NULL))
return NULL;
/* use same VendorID logic as with UEFI */
dmi_vendor = fu_context_get_hwid_value(ctx, FU_HWIDS_KEY_BIOS_VENDOR);
if (dmi_vendor != NULL) {
@ -191,6 +212,7 @@ static void
fu_plugin_flashrom_device_registered(FuPlugin *plugin, FuDevice *device)
{
g_autoptr(FuDevice) me_device = NULL;
FuPluginData *data = fu_plugin_get_data(plugin);
const gchar *me_region_str = fu_ifd_region_to_string(FU_IFD_REGION_ME);
/* we're only interested in a device from intel-spi plugin that corresponds to ME
@ -200,7 +222,7 @@ fu_plugin_flashrom_device_registered(FuPlugin *plugin, FuDevice *device)
if (g_strcmp0(fu_device_get_logical_id(device), me_region_str) != 0)
return;
me_device = fu_plugin_flashrom_add_device(plugin, FU_IFD_REGION_ME, NULL);
me_device = fu_plugin_flashrom_add_device(plugin, data->guid, FU_IFD_REGION_ME, NULL);
if (me_device == NULL)
return;
@ -212,14 +234,42 @@ fu_plugin_flashrom_device_registered(FuPlugin *plugin, FuDevice *device)
static gboolean
fu_plugin_flashrom_coldplug(FuPlugin *plugin, GError **error)
{
FuPluginData *data = fu_plugin_get_data(plugin);
g_autoptr(FuDevice) device =
fu_plugin_flashrom_add_device(plugin, FU_IFD_REGION_BIOS, error);
fu_plugin_flashrom_add_device(plugin, data->guid, FU_IFD_REGION_BIOS, error);
return (device != NULL);
}
/* finds GUID that activated this plugin */
static const gchar *
fu_plugin_flashrom_find_guid(FuPlugin *plugin, GError **error)
{
FuContext *ctx = fu_plugin_get_context(plugin);
GPtrArray *hwids = fu_context_get_hwid_guids(ctx);
for (guint i = 0; i < hwids->len; i++) {
const gchar *guid = g_ptr_array_index(hwids, i);
const gchar *plugin_name =
fu_context_lookup_quirk_by_id(ctx, guid, FU_QUIRKS_PLUGIN);
if (g_strcmp0(plugin_name, "flashrom") == 0)
return guid;
}
return NULL;
}
static gboolean
fu_plugin_flashrom_startup(FuPlugin *plugin, GError **error)
{
const gchar *guid;
FuPluginData *data = fu_plugin_get_data(plugin);
guid = fu_plugin_flashrom_find_guid(plugin, error);
if (guid == NULL)
return FALSE;
data->guid = g_strdup(guid);
if (flashrom_init(SELFCHECK_TRUE)) {
g_set_error_literal(error,
FWUPD_ERROR,
@ -236,6 +286,7 @@ fu_plugin_init_vfuncs(FuPluginVfuncs *vfuncs)
{
vfuncs->build_hash = FU_BUILD_HASH;
vfuncs->init = fu_plugin_flashrom_init;
vfuncs->destroy = fu_plugin_flashrom_destroy;
vfuncs->device_registered = fu_plugin_flashrom_device_registered;
vfuncs->startup = fu_plugin_flashrom_startup;
vfuncs->coldplug = fu_plugin_flashrom_coldplug;