forked from Minki/linux
473ad712a4
Add the Control Status Registers to the firmware error dump infrastructure. Reviewed-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
190 lines
6.2 KiB
C
190 lines
6.2 KiB
C
/******************************************************************************
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*
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* This file is provided under a dual BSD/GPLv2 license. When using or
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* redistributing this file, you may do so under either license.
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*
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* GPL LICENSE SUMMARY
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*
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* Copyright(c) 2014 Intel Corporation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of version 2 of the GNU General Public License as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
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* USA
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*
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* The full GNU General Public License is included in this distribution
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* in the file called COPYING.
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*
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* Contact Information:
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* Intel Linux Wireless <ilw@linux.intel.com>
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* Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
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*
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* BSD LICENSE
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*
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* Copyright(c) 2014 Intel Corporation. All rights reserved.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name Intel Corporation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*****************************************************************************/
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#ifndef __fw_error_dump_h__
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#define __fw_error_dump_h__
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#include <linux/types.h>
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#define IWL_FW_ERROR_DUMP_BARKER 0x14789632
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/**
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* enum iwl_fw_error_dump_type - types of data in the dump file
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* @IWL_FW_ERROR_DUMP_SRAM:
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* @IWL_FW_ERROR_DUMP_CSR: Control Status Registers - from offset 0
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* @IWL_FW_ERROR_DUMP_RXF:
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* @IWL_FW_ERROR_DUMP_TXCMD: last TX command data, structured as
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* &struct iwl_fw_error_dump_txcmd packets
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* @IWL_FW_ERROR_DUMP_DEV_FW_INFO: struct %iwl_fw_error_dump_info
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* info on the device / firmware.
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* @IWL_FW_ERROR_DUMP_FW_MONITOR: firmware monitor
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* @IWL_FW_ERROR_DUMP_PRPH: range of periphery registers - there can be several
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* sections like this in a single file.
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*/
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enum iwl_fw_error_dump_type {
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IWL_FW_ERROR_DUMP_SRAM = 0,
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IWL_FW_ERROR_DUMP_CSR = 1,
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IWL_FW_ERROR_DUMP_RXF = 2,
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IWL_FW_ERROR_DUMP_TXCMD = 3,
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IWL_FW_ERROR_DUMP_DEV_FW_INFO = 4,
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IWL_FW_ERROR_DUMP_FW_MONITOR = 5,
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IWL_FW_ERROR_DUMP_PRPH = 6,
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IWL_FW_ERROR_DUMP_MAX,
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};
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/**
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* struct iwl_fw_error_dump_data - data for one type
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* @type: %enum iwl_fw_error_dump_type
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* @len: the length starting from %data
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* @data: the data itself
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*/
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struct iwl_fw_error_dump_data {
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__le32 type;
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__le32 len;
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__u8 data[];
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} __packed;
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/**
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* struct iwl_fw_error_dump_file - the layout of the header of the file
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* @barker: must be %IWL_FW_ERROR_DUMP_BARKER
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* @file_len: the length of all the file starting from %barker
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* @data: array of %struct iwl_fw_error_dump_data
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*/
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struct iwl_fw_error_dump_file {
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__le32 barker;
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__le32 file_len;
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u8 data[0];
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} __packed;
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/**
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* struct iwl_fw_error_dump_txcmd - TX command data
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* @cmdlen: original length of command
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* @caplen: captured length of command (may be less)
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* @data: captured command data, @caplen bytes
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*/
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struct iwl_fw_error_dump_txcmd {
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__le32 cmdlen;
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__le32 caplen;
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u8 data[];
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} __packed;
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enum iwl_fw_error_dump_family {
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IWL_FW_ERROR_DUMP_FAMILY_7 = 7,
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IWL_FW_ERROR_DUMP_FAMILY_8 = 8,
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};
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/**
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* struct iwl_fw_error_dump_info - info on the device / firmware
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* @device_family: the family of the device (7 / 8)
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* @hw_step: the step of the device
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* @fw_human_readable: human readable FW version
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* @dev_human_readable: name of the device
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* @bus_human_readable: name of the bus used
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*/
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struct iwl_fw_error_dump_info {
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__le32 device_family;
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__le32 hw_step;
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u8 fw_human_readable[FW_VER_HUMAN_READABLE_SZ];
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u8 dev_human_readable[64];
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u8 bus_human_readable[8];
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} __packed;
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/**
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* struct iwl_fw_error_dump_fw_mon - FW monitor data
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* @fw_mon_wr_ptr: the position of the write pointer in the cyclic buffer
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* @fw_mon_base_ptr: base pointer of the data
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* @fw_mon_cycle_cnt: number of wrap arounds
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* @reserved: for future use
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* @data: captured data
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*/
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struct iwl_fw_error_dump_fw_mon {
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__le32 fw_mon_wr_ptr;
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__le32 fw_mon_base_ptr;
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__le32 fw_mon_cycle_cnt;
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__le32 reserved[3];
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u8 data[];
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} __packed;
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/**
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* struct iwl_fw_error_dump_prph - periphery registers data
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* @prph_start: address of the first register in this chunk
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* @data: the content of the registers
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*/
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struct iwl_fw_error_dump_prph {
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__le32 prph_start;
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__le32 data[];
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};
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/**
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* iwl_fw_error_next_data - advance fw error dump data pointer
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* @data: previous data block
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* Returns: next data block
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*/
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static inline struct iwl_fw_error_dump_data *
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iwl_fw_error_next_data(struct iwl_fw_error_dump_data *data)
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{
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return (void *)(data->data + le32_to_cpu(data->len));
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}
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#endif /* __fw_error_dump_h__ */
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