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https://git.proxmox.com/git/fwupd
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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_set_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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