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https://git.proxmox.com/git/fwupd
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8fa0b382fa
These are used to indicate that the device can verify checksums or can dump an image for checksumming.
113 lines
3.2 KiB
C
113 lines
3.2 KiB
C
/*
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* Copyright (C) 2015-2019 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-rom.h"
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#include "fu-optionrom-device.h"
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struct _FuOptionromDevice {
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FuUdevDevice parent_instance;
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};
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G_DEFINE_TYPE (FuOptionromDevice, fu_optionrom_device, FU_TYPE_UDEV_DEVICE)
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static gboolean
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fu_optionrom_device_probe (FuUdevDevice *device, GError **error)
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{
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GUdevDevice *udev_device = fu_udev_device_get_dev (device);
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const gchar *guid = NULL;
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guid = g_udev_device_get_property (udev_device, "FWUPD_GUID");
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if (guid == NULL) {
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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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"no FWUPD_GUID property");
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return FALSE;
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}
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/* set the physical ID */
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if (!fu_udev_device_set_physical_id (device, "pci", error))
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return FALSE;
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return TRUE;
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}
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static FuFirmware *
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fu_optionrom_device_read_firmware (FuDevice *device, GError **error)
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{
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FuUdevDevice *udev_device = FU_UDEV_DEVICE (device);
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g_autofree gchar *guid = NULL;
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g_autofree gchar *rom_fn = NULL;
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g_autoptr(FuRom) rom = NULL;
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g_autoptr(GBytes) fw = NULL;
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g_autoptr(GFile) file = NULL;
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/* open the file */
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rom_fn = g_build_filename (fu_udev_device_get_sysfs_path (udev_device), "rom", NULL);
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if (rom_fn == NULL) {
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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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"Unable to read firmware from device");
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return NULL;
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}
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file = g_file_new_for_path (rom_fn);
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rom = fu_rom_new ();
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if (!fu_rom_load_file (rom, file, FU_ROM_LOAD_FLAG_BLANK_PPID, NULL, error))
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return NULL;
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/* update version */
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if (g_strcmp0 (fu_device_get_version (device),
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fu_rom_get_version (rom)) != 0) {
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g_debug ("changing version of %s from %s to %s",
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fu_device_get_id (device),
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fu_device_get_version (device),
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fu_rom_get_version (rom));
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fu_device_set_version (device, fu_rom_get_version (rom),
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FWUPD_VERSION_FORMAT_UNKNOWN);
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}
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/* Also add the GUID from the firmware as the firmware may be more
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* generic, which also allows us to match the GUID when doing 'verify'
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* on a device with a different PID to the firmware */
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/* update guid */
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guid = g_strdup_printf ("PCI\\VEN_%04X&DEV_%04X",
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fu_rom_get_vendor (rom),
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fu_rom_get_model (rom));
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fu_device_add_guid (device, guid);
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/* get new data */
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fw = fu_rom_get_data (rom);
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return fu_firmware_new_from_bytes (fw);
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}
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static void
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fu_optionrom_device_init (FuOptionromDevice *self)
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{
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fu_device_add_flag (FU_DEVICE (self), FWUPD_DEVICE_FLAG_INTERNAL);
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fu_device_add_icon (FU_DEVICE (self), "audio-card");
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fu_device_add_flag (FU_DEVICE (self), FWUPD_DEVICE_FLAG_CAN_VERIFY_IMAGE);
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}
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static void
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fu_optionrom_device_finalize (GObject *object)
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{
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G_OBJECT_CLASS (fu_optionrom_device_parent_class)->finalize (object);
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}
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static void
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fu_optionrom_device_class_init (FuOptionromDeviceClass *klass)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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FuDeviceClass *klass_device = FU_DEVICE_CLASS (klass);
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FuUdevDeviceClass *klass_udev_device = FU_UDEV_DEVICE_CLASS (klass);
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object_class->finalize = fu_optionrom_device_finalize;
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klass_device->read_firmware = fu_optionrom_device_read_firmware;
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klass_udev_device->probe = fu_optionrom_device_probe;
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}
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