30b5191ad1
Add support for firmware update through the devlink interface. This update copies the firmware object into the device, asks the current firmware to install it, then asks the firmware to select the new firmware for the next boot-up. The install and select steps are launched as asynchronous requests, which are then followed up with status request commands. These status request commands will be answered with an EAGAIN return value and will try again until the request has completed or reached the timeout specified. Signed-off-by: Shannon Nelson <snelson@pensando.io> Acked-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
114 lines
2.6 KiB
C
114 lines
2.6 KiB
C
// SPDX-License-Identifier: GPL-2.0
|
|
/* Copyright(c) 2017 - 2019 Pensando Systems, Inc */
|
|
|
|
#include <linux/module.h>
|
|
#include <linux/netdevice.h>
|
|
|
|
#include "ionic.h"
|
|
#include "ionic_bus.h"
|
|
#include "ionic_lif.h"
|
|
#include "ionic_devlink.h"
|
|
|
|
static int ionic_dl_flash_update(struct devlink *dl,
|
|
const char *fwname,
|
|
const char *component,
|
|
struct netlink_ext_ack *extack)
|
|
{
|
|
struct ionic *ionic = devlink_priv(dl);
|
|
|
|
if (component)
|
|
return -EOPNOTSUPP;
|
|
|
|
return ionic_firmware_update(ionic->lif, fwname, extack);
|
|
}
|
|
|
|
static int ionic_dl_info_get(struct devlink *dl, struct devlink_info_req *req,
|
|
struct netlink_ext_ack *extack)
|
|
{
|
|
struct ionic *ionic = devlink_priv(dl);
|
|
struct ionic_dev *idev = &ionic->idev;
|
|
char buf[16];
|
|
int err = 0;
|
|
|
|
err = devlink_info_driver_name_put(req, IONIC_DRV_NAME);
|
|
if (err)
|
|
return err;
|
|
|
|
err = devlink_info_version_running_put(req,
|
|
DEVLINK_INFO_VERSION_GENERIC_FW,
|
|
idev->dev_info.fw_version);
|
|
if (err)
|
|
return err;
|
|
|
|
snprintf(buf, sizeof(buf), "0x%x", idev->dev_info.asic_type);
|
|
err = devlink_info_version_fixed_put(req,
|
|
DEVLINK_INFO_VERSION_GENERIC_ASIC_ID,
|
|
buf);
|
|
if (err)
|
|
return err;
|
|
|
|
snprintf(buf, sizeof(buf), "0x%x", idev->dev_info.asic_rev);
|
|
err = devlink_info_version_fixed_put(req,
|
|
DEVLINK_INFO_VERSION_GENERIC_ASIC_REV,
|
|
buf);
|
|
if (err)
|
|
return err;
|
|
|
|
err = devlink_info_serial_number_put(req, idev->dev_info.serial_num);
|
|
|
|
return err;
|
|
}
|
|
|
|
static const struct devlink_ops ionic_dl_ops = {
|
|
.info_get = ionic_dl_info_get,
|
|
.flash_update = ionic_dl_flash_update,
|
|
};
|
|
|
|
struct ionic *ionic_devlink_alloc(struct device *dev)
|
|
{
|
|
struct devlink *dl;
|
|
|
|
dl = devlink_alloc(&ionic_dl_ops, sizeof(struct ionic));
|
|
|
|
return devlink_priv(dl);
|
|
}
|
|
|
|
void ionic_devlink_free(struct ionic *ionic)
|
|
{
|
|
struct devlink *dl = priv_to_devlink(ionic);
|
|
|
|
devlink_free(dl);
|
|
}
|
|
|
|
int ionic_devlink_register(struct ionic *ionic)
|
|
{
|
|
struct devlink *dl = priv_to_devlink(ionic);
|
|
struct devlink_port_attrs attrs = {};
|
|
int err;
|
|
|
|
err = devlink_register(dl, ionic->dev);
|
|
if (err) {
|
|
dev_warn(ionic->dev, "devlink_register failed: %d\n", err);
|
|
return err;
|
|
}
|
|
|
|
attrs.flavour = DEVLINK_PORT_FLAVOUR_PHYSICAL;
|
|
devlink_port_attrs_set(&ionic->dl_port, &attrs);
|
|
err = devlink_port_register(dl, &ionic->dl_port, 0);
|
|
if (err)
|
|
dev_err(ionic->dev, "devlink_port_register failed: %d\n", err);
|
|
else
|
|
devlink_port_type_eth_set(&ionic->dl_port,
|
|
ionic->lif->netdev);
|
|
|
|
return err;
|
|
}
|
|
|
|
void ionic_devlink_unregister(struct ionic *ionic)
|
|
{
|
|
struct devlink *dl = priv_to_devlink(ionic);
|
|
|
|
if (ionic->dl_port.registered)
|
|
devlink_port_unregister(&ionic->dl_port);
|
|
devlink_unregister(dl);
|
|
}
|