ionic_devlink.c

  1// SPDX-License-Identifier: GPL-2.0
  2/* Copyright(c) 2017 - 2019 Pensando Systems, Inc */
  3
  4#include <linux/module.h>
  5#include <linux/netdevice.h>
  6
  7#include "ionic.h"
  8#include "ionic_bus.h"
  9#include "ionic_lif.h"
 10#include "ionic_devlink.h"
 11
 12static int ionic_dl_flash_update(struct devlink *dl,
 13				 struct devlink_flash_update_params *params,
 14				 struct netlink_ext_ack *extack)
 15{
 16	struct ionic *ionic = devlink_priv(dl);
 17
 18	return ionic_firmware_update(ionic->lif, params->fw, extack);
 19}
 20
 21static int ionic_dl_info_get(struct devlink *dl, struct devlink_info_req *req,
 22			     struct netlink_ext_ack *extack)
 23{
 24	struct ionic *ionic = devlink_priv(dl);
 25	struct ionic_dev *idev = &ionic->idev;
 26	char buf[16];
 27	int err = 0;
 28
 29	err = devlink_info_version_running_put(req,
 30					       DEVLINK_INFO_VERSION_GENERIC_FW,
 31					       idev->dev_info.fw_version);
 32	if (err)
 33		return err;
 34
 35	snprintf(buf, sizeof(buf), "0x%x", idev->dev_info.asic_type);
 36	err = devlink_info_version_fixed_put(req,
 37					     DEVLINK_INFO_VERSION_GENERIC_ASIC_ID,
 38					     buf);
 39	if (err)
 40		return err;
 41
 42	snprintf(buf, sizeof(buf), "0x%x", idev->dev_info.asic_rev);
 43	err = devlink_info_version_fixed_put(req,
 44					     DEVLINK_INFO_VERSION_GENERIC_ASIC_REV,
 45					     buf);
 46	if (err)
 47		return err;
 48
 49	err = devlink_info_serial_number_put(req, idev->dev_info.serial_num);
 50
 51	return err;
 52}
 53
 54static const struct devlink_ops ionic_dl_ops = {
 55	.info_get	= ionic_dl_info_get,
 56	.flash_update	= ionic_dl_flash_update,
 57};
 58
 59struct ionic *ionic_devlink_alloc(struct device *dev)
 60{
 61	struct devlink *dl;
 62
 63	dl = devlink_alloc(&ionic_dl_ops, sizeof(struct ionic), dev);
 64	if (!dl)
 65		return NULL;
 66
 67	return devlink_priv(dl);
 68}
 69
 70void ionic_devlink_free(struct ionic *ionic)
 71{
 72	struct devlink *dl = priv_to_devlink(ionic);
 73
 74	devlink_free(dl);
 75}
 76
 77int ionic_devlink_register(struct ionic *ionic)
 78{
 79	struct devlink *dl = priv_to_devlink(ionic);
 80	struct devlink_port_attrs attrs = {};
 81	int err;
 82
 83	attrs.flavour = DEVLINK_PORT_FLAVOUR_PHYSICAL;
 84	devlink_port_attrs_set(&ionic->dl_port, &attrs);
 85	err = devlink_port_register(dl, &ionic->dl_port, 0);
 86	if (err) {
 87		dev_err(ionic->dev, "devlink_port_register failed: %d\n", err);
 88		return err;
 89	}
 90
 91	SET_NETDEV_DEVLINK_PORT(ionic->lif->netdev, &ionic->dl_port);
 92	devlink_register(dl);
 93	return 0;
 94}
 95
 96void ionic_devlink_unregister(struct ionic *ionic)
 97{
 98	struct devlink *dl = priv_to_devlink(ionic);
 99
100	devlink_unregister(dl);
101	devlink_port_unregister(&ionic->dl_port);
102}