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https://git.proxmox.com/git/fwupd
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eddaed0c11
Asking the user for the UID mapping isn't working very well, as it requires lots of manual handholding. It also doesn't work very well when the device vendor does not actually have a PCI ID or if the vendor has split into two entities. Just use the OUI address as an additional VendorID and match any of the device IDs against any of the metadata-supplied values.
129 lines
3.3 KiB
C
129 lines
3.3 KiB
C
/*
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* Copyright (C) 2018 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 "fu-plugin-vfuncs.h"
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#include "fu-hash.h"
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#include "fu-superio-it85-device.h"
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#include "fu-superio-it89-device.h"
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#define FU_QUIRKS_SUPERIO_CHIPSETS "SuperioChipsets"
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static gboolean
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fu_plugin_superio_coldplug_chipset (FuPlugin *plugin, const gchar *chipset, GError **error)
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{
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const gchar *dmi_vendor;
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g_autoptr(FuSuperioDevice) dev = NULL;
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g_autoptr(FuDeviceLocker) locker = NULL;
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g_autofree gchar *key = g_strdup_printf ("SuperIO=%s", chipset);
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guint64 id;
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guint64 port;
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/* get ID we need for the chipset */
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id = fu_plugin_lookup_quirk_by_id_as_uint64 (plugin, key, "Id");
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if (id == 0x0000 || id > 0xffff) {
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g_set_error (error,
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G_IO_ERROR,
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G_IO_ERROR_NOT_SUPPORTED,
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"SuperIO chip %s has invalid Id", chipset);
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return FALSE;
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}
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/* set address */
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port = fu_plugin_lookup_quirk_by_id_as_uint64 (plugin, key, "Port");
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if (port == 0x0 || port > 0xffff) {
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g_set_error (error,
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G_IO_ERROR,
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G_IO_ERROR_NOT_SUPPORTED,
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"SuperIO chip %s has invalid Port", chipset);
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return FALSE;
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}
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/* create IT89xx or IT89xx */
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if (id >> 8 == 0x85) {
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dev = g_object_new (FU_TYPE_SUPERIO_IT85_DEVICE,
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"device-file", "/dev/port",
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"chipset", chipset,
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"id", id,
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"port", port,
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NULL);
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} else if (id >> 8 == 0x89) {
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dev = g_object_new (FU_TYPE_SUPERIO_IT89_DEVICE,
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"device-file", "/dev/port",
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"chipset", chipset,
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"id", id,
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"port", port,
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NULL);
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} else {
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g_set_error (error,
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G_IO_ERROR,
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G_IO_ERROR_NOT_SUPPORTED,
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"SuperIO chip %s has unsupported Id", chipset);
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return FALSE;
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}
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/* set vendor ID as the motherboard vendor */
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dmi_vendor = fu_plugin_get_dmi_value (plugin, FU_HWIDS_KEY_BASEBOARD_MANUFACTURER);
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if (dmi_vendor != NULL) {
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g_autofree gchar *vendor_id = g_strdup_printf ("DMI:%s", dmi_vendor);
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fu_device_add_vendor_id (FU_DEVICE (dev), vendor_id);
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}
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/* unlock */
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locker = fu_device_locker_new (dev, error);
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if (locker == NULL)
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return FALSE;
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fu_plugin_device_add (plugin, FU_DEVICE (dev));
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return TRUE;
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}
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static gboolean
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fu_plugin_superio_coldplug_chipsets (FuPlugin *plugin, const gchar *str, GError **error)
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{
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g_auto(GStrv) chipsets = g_strsplit (str, ",", -1);
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for (guint i = 0; chipsets[i] != NULL; i++) {
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if (!fu_plugin_superio_coldplug_chipset (plugin, chipsets[i], error))
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return FALSE;
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}
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return TRUE;
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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_set_build_hash (plugin, FU_BUILD_HASH);
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}
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gboolean
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fu_plugin_coldplug (FuPlugin *plugin, GError **error)
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{
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GPtrArray *hwids;
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if (fu_common_kernel_locked_down ()) {
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g_set_error_literal (error,
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FWUPD_ERROR,
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FWUPD_ERROR_NOT_SUPPORTED,
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"not supported when kernel locked down");
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return FALSE;
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}
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hwids = fu_plugin_get_hwids (plugin);
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for (guint i = 0; i < hwids->len; i++) {
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const gchar *tmp;
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const gchar *guid = g_ptr_array_index (hwids, i);
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g_autofree gchar *key = g_strdup_printf ("HwId=%s", guid);
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tmp = fu_plugin_lookup_quirk_by_id (plugin, key, FU_QUIRKS_SUPERIO_CHIPSETS);
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if (tmp == NULL)
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continue;
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if (!fu_plugin_superio_coldplug_chipsets (plugin, tmp, error))
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return FALSE;
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}
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return TRUE;
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}
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