/******************************************************************************
*
* This file is provided under a dual BSD/GPLv2 license. When using or
* redistributing this file, you may do so under either license.
*
* GPL LICENSE SUMMARY
*
* Copyright(c) 2008 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
* Copyright(c) 2015 - 2017 Intel Deutschland GmbH
* Copyright(c) 2018 Intel Corporation
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of version 2 of the GNU General Public License as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* The full GNU General Public License is included in this distribution
* in the file called COPYING.
*
* Contact Information:
* Intel Linux Wireless <linuxwifi@intel.com>
* Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
*
* BSD LICENSE
*
* Copyright(c) 2005 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
* Copyright(c) 2015 - 2017 Intel Deutschland GmbH
* Copyright(c) 2018 Intel Corporation
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* * Neither the name Intel Corporation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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*
*****************************************************************************/
#include <linux/devcoredump.h>
#include "iwl-drv.h"
#include "runtime.h"
#include "dbg.h"
#include "debugfs.h"
#include "iwl-io.h"
#include "iwl-prph.h"
#include "iwl-csr.h"
/**
* struct iwl_fw_dump_ptrs - set of pointers needed for the fw-error-dump
*
* @fwrt_ptr: pointer to the buffer coming from fwrt
* @trans_ptr: pointer to struct %iwl_trans_dump_data which contains the
* transport's data.
* @trans_len: length of the valid data in trans_ptr
* @fwrt_len: length of the valid data in fwrt_ptr
*/
struct iwl_fw_dump_ptrs {
struct iwl_trans_dump_data *trans_ptr;
void *fwrt_ptr;
u32 fwrt_len;
};
#define RADIO_REG_MAX_READ 0x2ad
static void iwl_read_radio_regs(struct iwl_fw_runtime *fwrt,
struct iwl_fw_error_dump_data **dump_data)
{
u8 *pos = (void *)(*dump_data)->data;
unsigned long flags;
int i;
IWL_DEBUG_INFO(fwrt, "WRT radio registers dump\n");
if (!iwl_trans_grab_nic_access(fwrt->trans, &flags))
return;
(*dump_data)->type = cpu_to_le32(IWL_FW_ERROR_DUMP_RADIO_REG);
(*dump_data)->len = cpu_to_le32(RADIO_REG_MAX_READ);
for (i = 0; i < RADIO_REG_MAX_READ; i++) {
u32 rd_cmd = RADIO_RSP_RD_CMD;
rd_cmd |= i << RADIO_RSP_ADDR_POS;
iwl_write_prph_no_grab(fwrt->trans, RSP_RADIO_CMD, rd_cmd);
*pos = (u8)iwl_read_prph_no_grab(fwrt->trans, RSP_RADIO_RDDAT);
pos++;
}
*dump_data = iwl_fw_error_next_data(*dump_data);
iwl_trans_release_nic_access(fwrt->trans, &flags);
}
static void iwl_fwrt_dump_rxf(struct iwl_fw_runtime *fwrt,
struct iwl_fw_error_dump_data **dump_data,
int size, u32 offset, int fifo_num)
{
struct iwl_fw_error_dump_fifo *fifo_hdr;
u32 *fifo_data;
u32 fifo_len;
int i;
fifo_hdr = (void *)(*dump_data)->data;
fifo_data = (void