/*
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* Copyright (c) 2012 Broadcom Corporation
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
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* SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
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* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
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* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include <linux/debugfs.h>
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#include <linux/netdevice.h>
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#include <linux/module.h>
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#include <linux/devcoredump.h>
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#include <brcmu_wifi.h>
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#include <brcmu_utils.h>
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#include "core.h"
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#include "bus.h"
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#include "fweh.h"
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#include "debug.h"
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int brcmf_debug_create_memdump(struct brcmf_bus *bus, const void *data,
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size_t len)
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{
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void *dump;
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size_t ramsize;
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int err;
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ramsize = brcmf_bus_get_ramsize(bus);
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if (!ramsize)
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return -ENOTSUPP;
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dump = vzalloc(len + ramsize);
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if (!dump)
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return -ENOMEM;
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if (data && len > 0)
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memcpy(dump, data, len);
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err = brcmf_bus_get_memdump(bus, dump + len, ramsize);
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if (err) {
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vfree(dump);
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return err;
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}
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dev_coredumpv(bus->dev, dump, len + ramsize, GFP_KERNEL);
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return 0;
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}
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struct dentry *brcmf_debugfs_get_devdir(struct brcmf_pub *drvr)
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{
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return drvr->wiphy->debugfsdir;
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}
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int brcmf_debugfs_add_entry(struct brcmf_pub *drvr, const char *fn,
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int (*read_fn)(struct seq_file *seq, void *data))
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{
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struct dentry *e;
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WARN(!drvr->wiphy->debugfsdir, "wiphy not (yet) registered\n");
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e = debugfs_create_devm_seqfile(drvr->bus_if->dev, fn,
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drvr->wiphy->debugfsdir, read_fn);
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return PTR_ERR_OR_ZERO(e);
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}
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