path: root/net/devlink/dev.c

// SPDX-License-Identifier: GPL-2.0-or-later
/*
 * Copyright (c) 2016 Mellanox Technologies. All rights reserved.
 * Copyright (c) 2016 Jiri Pirko <jiri@mellanox.com>
 */

#include <linux/device.h>
#include <net/genetlink.h>
#include <net/sock.h>
#include "devl_internal.h"

struct devlink_info_req {
	struct sk_buff *msg;
	void (*version_cb)(const char *version_name,
			   enum devlink_info_version_type version_type,
			   void *version_cb_priv);
	void *version_cb_priv;
};

struct devlink_reload_combination {
	enum devlink_reload_action action;
	enum devlink_reload_limit limit;
};

static const struct devlink_reload_combination devlink_reload_invalid_combinations[] = {
	{
		/* can't reinitialize driver with no down time */
		.action = DEVLINK_RELOAD_ACTION_DRIVER_REINIT,
		.limit = DEVLINK_RELOAD_LIMIT_NO_RESET,
	},
};

static bool
devlink_reload_combination_is_invalid(enum devlink_reload_action action,
				      enum devlink_reload_limit limit)
{
	int i;

	for (i = 0; i < ARRAY_SIZE(devlink_reload_invalid_combinations); i++)
		if (devlink_reload_invalid_combinations[i].action == action &&
		    devlink_reload_invalid_combinations[i].limit == limit)
			return true;
	return false;
}

static bool
devlink_reload_action_is_supported(struct devlink *devlink, enum devlink_reload_action action)
{
	return test_bit(action, &devlink->ops->reload_actions);
}

static bool
devlink_reload_limit_is_supported(struct devlink *devlink, enum devlink_reload_limit limit)
{
	return test_bit(limit, &devlink->ops->reload_limits);
}

static int devlink_reload_stat_put(struct sk_buff *msg