// SPDX-License-Identifier: GPL-2.0-only
// Copyright (c) 2021 Intel Corporation

#include <linux/device.h>
#include <linux/kernel.h>
#include <linux/peci.h>

#include "internal.h"

static int rescan_controller(struct device *dev, void *data)
{
        if (dev->type != &peci_controller_type)
                return 0;

        return peci_controller_scan_devices(to_peci_controller(dev));
}

static ssize_t rescan_store(const struct bus_type *bus, const char *buf, size_t count)
{
        bool res;
        int ret;

        ret = kstrtobool(buf, &res);
        if (ret)
                return ret;

        if (!res)
                return count;

        ret = bus_for_each_dev(&peci_bus_type, NULL, NULL, rescan_controller);
        if (ret)
                return ret;

        return count;
}
static BUS_ATTR_WO(rescan);

static struct attribute *peci_bus_attrs[] = {
        &bus_attr_rescan.attr,
        NULL
};

static const struct attribute_group peci_bus_group = {
        .attrs = peci_bus_attrs,
};

const struct attribute_group *peci_bus_groups[] = {
        &peci_bus_group,
        NULL
};

static ssize_t remove_store(struct device *dev, struct device_attribute *attr,
                            const char *buf, size_t count)
{
        struct peci_device *device = to_peci_device(dev);
        bool res;
        int ret;

        ret = kstrtobool(buf, &res);
        if (ret)
                return ret;

        if (res && device_remove_file_self(dev, attr))
                peci_device_destroy(device);

        return count;
}
static DEVICE_ATTR_IGNORE_LOCKDEP(remove, 0200, NULL, remove_store);

static struct attribute *peci_device_attrs[] = {
        &dev_attr_remove.attr,
        NULL
};

static const struct attribute_group peci_device_group = {
        .attrs = peci_device_attrs,
};

const struct attribute_group *peci_device_groups[] = {
        &peci_device_group,
        NULL
};