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// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
/* Copyright (c) 2019 Mellanox Technologies */
#include <devlink.h>
#include "mlx5_core.h"
#include "eswitch.h"
static int mlx5_devlink_flash_update(struct devlink *devlink,
const char *file_name,
const char *component,
struct netlink_ext_ack *extack)
{
struct mlx5_core_dev *dev = devlink_priv(devlink);
const struct firmware *fw;
int err;
if (component)
return -EOPNOTSUPP;
err = request_firmware_direct(&fw, file_name, &dev->pdev->dev);
if (err)
return err;
return mlx5_firmware_flash(dev, fw, extack);
}
static u8 mlx5_fw_ver_major(u32 version)
{
return (version >> 24) & 0xff;
}
static u8 mlx5_fw_ver_minor(u32 version)
{
return (version >> 16) & 0xff;
}
static u16 mlx5_fw_ver_subminor(u32 version)
{
return version & 0xffff;
}
#define DEVLINK_FW_STRING_LEN 32
static int
mlx5_devlink_info_get(struct devlink *devlink, struct devlink_info_req *req,
struct netlink_ext_ack *extack)
{
struct mlx5_core_dev *dev = devlink_priv(devlink);
char version_str[DEVLINK_FW_STRING_LEN];
u32 running_fw, stored_fw;
int err;
err = devlink_info_driver_name_put(req, DRIVER_NAME);
if (err)
return err;
err = devlink_info_version_fixed_put(req, "fw.psid", dev->board_id);
if (err)
return err;
err = mlx5_fw_version_query(dev, &running_fw, &stored_fw);
if (err)
return err;
snprintf(version_str, sizeof(version_str), "%d.%d.%04d",
mlx5_fw_ver_major(running_fw), mlx5_fw_ver_minor(running_fw),
mlx5_fw_ver_subminor(running_fw));
err = devlink_info_version_running_put(req, "fw.version", version_str);
if (err)
return err;
/* no pending version, return running (stored) version */
if (stored_fw == 0)
stored_fw = running_fw;
snprintf(version_str, sizeof(version_str), "%d.%d.%04d",
mlx5_fw_ver_major(stored_fw), mlx5_fw_ver_minor(stored_fw),
mlx5_fw_ver_subminor(stored_fw));
err = devlink_info_version_stored_put(req, "fw.version", version_str);
if (err)
return err;
return 0;
}
static const struct devlink_ops mlx5_devlink_ops = {
#ifdef CONFIG_MLX5_ESWITCH
.eswitch_mode_set = mlx5_devlink_eswitch_mode_set,
.eswitch_mode_get = mlx5_devlink_eswitch_mode_get,
.eswitch_inline_mode_set = mlx5_devlink_eswitch_inline_mode_set,
.eswitch_inline_mode_get = mlx5_devlink_eswitch_inline_mode_get,
.eswitch_encap_mode_set = mlx5_devlink_eswitch_encap_mode_set,
.eswitch_encap_mode_get = mlx5_devlink_eswitch_encap_mode_get,
#endif
.flash_update = mlx5_devlink_flash_update,
.info_get = mlx5_devlink_info_get,
};
struct devlink *mlx5_devlink_alloc(void)
{
return devlink_alloc(&mlx5_devlink_ops, sizeof(struct mlx5_core_dev));
}
void mlx5_devlink_free(struct devlink *devlink)
{
devlink_free(devlink);
}
int mlx5_devlink_register(struct devlink *devlink, struct device *dev)
{
return devlink_register(devlink, dev);
}
void mlx5_devlink_unregister(struct devlink *devlink)
{
devlink_unregister(devlink);
}
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