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/*
* Copyright 2025 NVIDIA Corporation & Affiliates
*
* SPDX-License-Identifier: LGPL-2.1-or-later
*/
#include "config.h"
#include "fu-devlink-component.h"
#include "fu-devlink-device.h"
/**
* FU_DEVLINK_DEVICE_FLAG_OMIT_COMPONENT_NAME:
*
* Do not set the DEVLINK_ATTR_FLASH_UPDATE_COMPONENT attribute when flashing firmware.
* This allows for firmware updates without specifying a specific component name.
*
* Since: 2.0.15
*/
#define FU_DEVLINK_DEVICE_FLAG_OMIT_COMPONENT_NAME "omit-component-name"
struct _FuDevlinkComponent {
FuDevice parent_instance;
GPtrArray *instance_keys;
};
G_DEFINE_TYPE(FuDevlinkComponent, fu_devlink_component, FU_TYPE_DEVICE)
static gboolean
fu_devlink_component_write_firmware(FuDevice *device,
FuFirmware *firmware,
FuProgress *progress,
FwupdInstallFlags flags,
GError **error)
{
FuDevlinkComponent *self = FU_DEVLINK_COMPONENT(device);
FuDevice *proxy;
gboolean omit_component_name =
fu_device_has_private_flag(FU_DEVICE(self), FU_DEVLINK_DEVICE_FLAG_OMIT_COMPONENT_NAME);
proxy = fu_device_get_proxy(device, error);
if (proxy == NULL)
return FALSE;
return fu_devlink_device_write_firmware_component(FU_DEVLINK_DEVICE(proxy),
fu_device_get_logical_id(device),
omit_component_name,
firmware,
progress,
flags,
error);
}
void
fu_devlink_component_add_instance_keys(FuDevlinkComponent *self, gchar **keys)
{
if (self->instance_keys == NULL)
self->instance_keys = g_ptr_array_new_with_free_func((GDestroyNotify)g_strfreev);
g_ptr_array_add(self->instance_keys, keys);
}
static gboolean
fu_devlink_component_probe(FuDevice *device, GError **error)
{
FuDevlinkComponent *self = FU_DEVLINK_COMPONENT(device);
FuDevice *proxy;
g_autofree gchar *subsystem = NULL;
g_autoptr(GStrvBuilder) basekeys_builder = NULL;
g_auto(GStrv) basekeys = NULL;
/* declare all variables at the beginning */
proxy = fu_device_get_proxy(device, error);
if (proxy == NULL)
return FALSE;
subsystem = g_ascii_strup(fu_devlink_device_get_bus_name(FU_DEVLINK_DEVICE(proxy)), -1);
basekeys_builder = g_strv_builder_new();
if (fu_device_get_instance_str(device, "VEN") != NULL &&
fu_device_get_instance_str(device, "DEV") != NULL) {
g_strv_builder_add(basekeys_builder, "VEN");
g_strv_builder_add(basekeys_builder, "DEV");
}
g_strv_builder_add(basekeys_builder, "COMPONENT");
basekeys = g_strv_builder_end(basekeys_builder);
/* build instance id just for component name */
if (!fu_device_build_instance_id_strv(device, subsystem, basekeys, error))
return FALSE;
if (self->instance_keys == NULL)
return TRUE;
/* Build instance id for each fixed versions array from quirk file for which
kernel provides all fixed version values. */
for (guint i = 0; i < self->instance_keys->len; i++) {
GStrv instance_keys = g_ptr_array_index(self->instance_keys, i);
guint j;
g_autoptr(GStrvBuilder) keys_builder = g_strv_builder_new();
g_auto(GStrv) keys = NULL;
/* future optimization: use g_strv_builder_addv() when available */
for (j = 0; basekeys[j] != NULL; j++)
g_strv_builder_add(keys_builder, basekeys[j]);
for (j = 0; instance_keys[j] != NULL; j++)
g_strv_builder_add(keys_builder, instance_keys[j]);
keys = g_strv_builder_end(keys_builder);
if (!fu_device_build_instance_id_strv(device, subsystem, keys, error))
return FALSE;
}
return TRUE;
}
static gboolean
fu_devlink_component_reload(FuDevice *device, GError **error)
{
FuDevice *proxy = fu_device_get_proxy(device, error);
if (proxy == NULL)
return FALSE;
return fu_device_reload(proxy, error);
}
static gboolean
fu_devlink_component_activate(FuDevice *device, FuProgress *progress, GError **error)
{
FuDevice *proxy = fu_device_get_proxy(device, error);
if (proxy == NULL)
return FALSE;
return fu_device_activate(proxy, progress, error);
}
static gboolean
fu_devlink_component_prepare(FuDevice *device,
FuProgress *progress,
FwupdInstallFlags flags,
GError **error)
{
FuDevice *proxy = fu_device_get_proxy(device, error);
if (proxy == NULL)
return FALSE;
return fu_device_prepare(proxy, progress, flags, error);
}
static gboolean
fu_devlink_component_cleanup(FuDevice *device,
FuProgress *progress,
FwupdInstallFlags flags,
GError **error)
{
FuDevice *proxy = fu_device_get_proxy(device, error);
if (proxy == NULL)
return FALSE;
return fu_device_cleanup(proxy, progress, flags, error);
}
static void
fu_devlink_component_set_progress(FuDevice *device, FuProgress *progress)
{
fu_progress_set_id(progress, G_STRLOC);
fu_progress_add_flag(progress, FU_PROGRESS_FLAG_GUESSED);
fu_progress_add_step(progress, FWUPD_STATUS_DECOMPRESSING, 0, "prepare-fw");
fu_progress_add_step(progress, FWUPD_STATUS_DEVICE_RESTART, 0, "detach");
fu_progress_add_step(progress, FWUPD_STATUS_DEVICE_WRITE, 57, "write");
fu_progress_add_step(progress, FWUPD_STATUS_DEVICE_RESTART, 0, "attach");
fu_progress_add_step(progress, FWUPD_STATUS_DEVICE_BUSY, 43, "reload");
}
FuDevlinkComponent *
fu_devlink_component_new(FuDevice *proxy, const gchar *logical_id)
{
g_autoptr(FuDevlinkComponent) self = NULL;
g_return_val_if_fail(logical_id != NULL, NULL);
self =
g_object_new(FU_TYPE_DEVLINK_COMPONENT, "proxy", proxy, "logical-id", logical_id, NULL);
fu_device_add_instance_str(FU_DEVICE(self), "COMPONENT", logical_id);
return g_steal_pointer(&self);
}
static void
fu_devlink_component_init(FuDevlinkComponent *self)
{
fu_device_add_flag(FU_DEVICE(self), FWUPD_DEVICE_FLAG_UPDATABLE);
fu_device_add_flag(FU_DEVICE(self), FWUPD_DEVICE_FLAG_SIGNED_PAYLOAD);
fu_device_add_flag(FU_DEVICE(self), FWUPD_DEVICE_FLAG_INTERNAL);
fu_device_add_flag(FU_DEVICE(self), FWUPD_DEVICE_FLAG_REQUIRE_AC);
fu_device_add_flag(FU_DEVICE(self), FWUPD_DEVICE_FLAG_DUAL_IMAGE);
fu_device_add_flag(FU_DEVICE(self), FWUPD_DEVICE_FLAG_USABLE_DURING_UPDATE);
fu_device_add_protocol(FU_DEVICE(self), "org.kernel.devlink");
fu_device_add_private_flag(FU_DEVICE(self), FU_DEVICE_PRIVATE_FLAG_MD_SET_FLAGS);
fu_device_add_private_flag(FU_DEVICE(self), FU_DEVICE_PRIVATE_FLAG_REFCOUNTED_PROXY);
fu_device_add_private_flag(FU_DEVICE(self), FU_DEVICE_PRIVATE_FLAG_USE_PROXY_FALLBACK);
fu_device_add_private_flag(FU_DEVICE(self), FU_DEVICE_PRIVATE_FLAG_PARENT_NAME_PREFIX);
fu_device_set_proxy_gtype(FU_DEVICE(self), FU_TYPE_DEVLINK_DEVICE);
fu_device_register_private_flag(FU_DEVICE(self),
FU_DEVLINK_DEVICE_FLAG_OMIT_COMPONENT_NAME);
}
static void
fu_devlink_component_finalize(GObject *object)
{
FuDevlinkComponent *self = FU_DEVLINK_COMPONENT(object);
if (self->instance_keys != NULL)
g_ptr_array_unref(self->instance_keys);
G_OBJECT_CLASS(fu_devlink_component_parent_class)->finalize(object);
}
static void
fu_devlink_component_class_init(FuDevlinkComponentClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS(klass);
FuDeviceClass *device_class = FU_DEVICE_CLASS(klass);
object_class->finalize = fu_devlink_component_finalize;
device_class->write_firmware = fu_devlink_component_write_firmware;
device_class->set_progress = fu_devlink_component_set_progress;
device_class->probe = fu_devlink_component_probe;
device_class->reload = fu_devlink_component_reload;
device_class->activate = fu_devlink_component_activate;
device_class->prepare = fu_devlink_component_prepare;
device_class->cleanup = fu_devlink_component_cleanup;
}
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