cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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ionic_devlink.c (2514B)

      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_driver_name_put(req, IONIC_DRV_NAME);
     30	if (err)
     31		return err;
     32
     33	err = devlink_info_version_running_put(req,
     34					       DEVLINK_INFO_VERSION_GENERIC_FW,
     35					       idev->dev_info.fw_version);
     36	if (err)
     37		return err;
     38
     39	snprintf(buf, sizeof(buf), "0x%x", idev->dev_info.asic_type);
     40	err = devlink_info_version_fixed_put(req,
     41					     DEVLINK_INFO_VERSION_GENERIC_ASIC_ID,
     42					     buf);
     43	if (err)
     44		return err;
     45
     46	snprintf(buf, sizeof(buf), "0x%x", idev->dev_info.asic_rev);
     47	err = devlink_info_version_fixed_put(req,
     48					     DEVLINK_INFO_VERSION_GENERIC_ASIC_REV,
     49					     buf);
     50	if (err)
     51		return err;
     52
     53	err = devlink_info_serial_number_put(req, idev->dev_info.serial_num);
     54
     55	return err;
     56}
     57
     58static const struct devlink_ops ionic_dl_ops = {
     59	.info_get	= ionic_dl_info_get,
     60	.flash_update	= ionic_dl_flash_update,
     61};
     62
     63struct ionic *ionic_devlink_alloc(struct device *dev)
     64{
     65	struct devlink *dl;
     66
     67	dl = devlink_alloc(&ionic_dl_ops, sizeof(struct ionic), dev);
     68
     69	return devlink_priv(dl);
     70}
     71
     72void ionic_devlink_free(struct ionic *ionic)
     73{
     74	struct devlink *dl = priv_to_devlink(ionic);
     75
     76	devlink_free(dl);
     77}
     78
     79int ionic_devlink_register(struct ionic *ionic)
     80{
     81	struct devlink *dl = priv_to_devlink(ionic);
     82	struct devlink_port_attrs attrs = {};
     83	int err;
     84
     85	attrs.flavour = DEVLINK_PORT_FLAVOUR_PHYSICAL;
     86	devlink_port_attrs_set(&ionic->dl_port, &attrs);
     87	err = devlink_port_register(dl, &ionic->dl_port, 0);
     88	if (err) {
     89		dev_err(ionic->dev, "devlink_port_register failed: %d\n", err);
     90		return err;
     91	}
     92
     93	devlink_port_type_eth_set(&ionic->dl_port, ionic->lif->netdev);
     94	devlink_register(dl);
     95	return 0;
     96}
     97
     98void ionic_devlink_unregister(struct ionic *ionic)
     99{
    100	struct devlink *dl = priv_to_devlink(ionic);
    101
    102	devlink_unregister(dl);
    103	devlink_port_unregister(&ionic->dl_port);
    104}