// SPDX-License-Identifier: ISC
/*
 * Copyright (c) 2012 Broadcom Corporation
 */
#include <linux/debugfs.h>
#include <linux/netdevice.h>
#include <linux/module.h>
#include <linux/devcoredump.h>

#include <brcmu_wifi.h>
#include <brcmu_utils.h>
#include "core.h"
#include "bus.h"
#include "fweh.h"
#include "debug.h"

int brcmf_debug_create_memdump(struct brcmf_bus *bus, const void *data,
                               size_t len)
{
        void *dump;
        size_t ramsize;
        int err;

        ramsize = brcmf_bus_get_ramsize(bus);
        if (!ramsize)
                return -ENOTSUPP;

        dump = vzalloc(len + ramsize);
        if (!dump)
                return -ENOMEM;

        if (data && len > 0)
                memcpy(dump, data, len);
        err = brcmf_bus_get_memdump(bus, dump + len, ramsize);
        if (err) {
                vfree(dump);
                return err;
        }

        dev_coredumpv(bus->dev, dump, len + ramsize, GFP_KERNEL);

        return 0;
}

struct dentry *brcmf_debugfs_get_devdir(struct brcmf_pub *drvr)
{
        return drvr->wiphy->debugfsdir;
}

void brcmf_debugfs_add_entry(struct brcmf_pub *drvr, const char *fn,
                            int (*read_fn)(struct seq_file *seq, void *data))
{
        WARN(!drvr->wiphy->debugfsdir, "wiphy not (yet) registered\n");
        debugfs_create_devm_seqfile(drvr->bus_if->dev, fn,
                                    drvr->wiphy->debugfsdir, read_fn);
}