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e03b8c46ed
Although they do a lot of the same things, trying to deal with both kinds of device in the same GObject type was making it very hard to understand and maintain. Split out two GObjects that both derive from FuThunderboltDevice.
101 lines
2.7 KiB
C
101 lines
2.7 KiB
C
/*
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* Copyright (C) 2017 Christian J. Kellner <christian@kellner.me>
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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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#include "fu-thunderbolt-common.h"
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static gboolean
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fu_thunderbolt_device_check_usb4_port_path(FuUdevDevice *device,
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const gchar *attribute,
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GError **err)
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{
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g_autofree const gchar *path =
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g_build_filename(fu_udev_device_get_sysfs_path(device), attribute, NULL);
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g_autofree gchar *fn = g_strdup_printf("%s", path);
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g_autoptr(GFile) file = g_file_new_for_path(fn);
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if (!g_file_query_exists(file, NULL)) {
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g_set_error(err, G_IO_ERROR, G_IO_ERROR_NOT_FOUND, "failed to find %s", fn);
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return FALSE;
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}
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return TRUE;
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}
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gboolean
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fu_thunderbolt_udev_set_port_offline(FuUdevDevice *device, GError **error)
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{
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const gchar *offline = "usb4_port1/offline";
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const gchar *rescan = "usb4_port1/rescan";
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g_autoptr(GError) error_offline = NULL;
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g_autoptr(GError) error_rescan = NULL;
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if (fu_thunderbolt_device_check_usb4_port_path(device, offline, &error_offline)) {
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if (!fu_udev_device_write_sysfs(device, offline, "1", error)) {
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g_set_error_literal(error,
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FWUPD_ERROR,
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FWUPD_ERROR_INTERNAL,
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"Setting usb4 port offline failed");
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return FALSE;
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}
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} else {
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g_debug("%s", error_offline->message);
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return TRUE;
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}
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if (fu_thunderbolt_device_check_usb4_port_path(device, rescan, &error_rescan)) {
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if (!fu_udev_device_write_sysfs(device, rescan, "1", error)) {
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g_set_error_literal(error,
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FWUPD_ERROR,
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FWUPD_ERROR_INTERNAL,
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"Rescan on port failed");
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return FALSE;
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}
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} else {
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g_debug("%s", error_rescan->message);
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return TRUE;
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}
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return TRUE;
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}
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gboolean
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fu_thunderbolt_udev_set_port_online(FuUdevDevice *device, GError **error)
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{
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FuUdevDevice *udev = FU_UDEV_DEVICE(device);
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const gchar *offline = "usb4_port1/offline";
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g_autoptr(GError) error_offline = NULL;
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if (fu_thunderbolt_device_check_usb4_port_path(device, offline, &error_offline)) {
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if (!fu_udev_device_write_sysfs(udev, offline, "0", error)) {
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g_prefix_error(error, "setting port online failed: ");
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return FALSE;
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}
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}
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return TRUE;
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}
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guint16
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fu_thunderbolt_udev_get_attr_uint16(FuUdevDevice *device, const gchar *name, GError **error)
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{
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const gchar *str;
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guint64 val;
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str = fu_udev_device_get_sysfs_attr(device, name, error);
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if (str == NULL)
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return 0x0;
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val = g_ascii_strtoull(str, NULL, 16);
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if (val == 0x0) {
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g_set_error(error, FWUPD_ERROR, FWUPD_ERROR_INTERNAL, "failed to parse %s", str);
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return 0;
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}
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if (val > G_MAXUINT16) {
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g_set_error(error, FWUPD_ERROR, FWUPD_ERROR_INTERNAL, "%s overflows", name);
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return 0x0;
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}
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return (guint16)val;
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}
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