/******************************************************************************
*
* 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) 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2014 Intel Mobile Communications GmbH
*
* 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.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
* USA
*
* The full GNU General Public License is included in this distribution
* in the file called COPYING.
*
* Contact Information:
* Intel Linux Wireless <ilw@linux.intel.com>
* Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
*
* BSD LICENSE
*
* Copyright(c) 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2014 Intel Mobile Communications GmbH
* 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
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*****************************************************************************/
#ifndef __fw_error_dump_h__
#define __fw_error_dump_h__
#include <linux/types.h>
#define IWL_FW_ERROR_DUMP_BARKER 0x14789632
/**
* enum iwl_fw_error_dump_type - types of data in the dump file
* @IWL_FW_ERROR_DUMP_CSR: Control Status Registers - from offset 0
* @IWL_FW_ERROR_DUMP_RXF:
* @IWL_FW_ERROR_DUMP_TXCMD: last TX command data, structured as
* &struct iwl_fw_error_dump_txcmd packets
* @IWL_FW_ERROR_DUMP_DEV_FW_INFO: struct %iwl_fw_error_dump_info
* info on the device / firmware.
* @IWL_FW_ERROR_DUMP_FW_MONITOR: firmware monitor
* @IWL_FW_ERROR_DUMP_PRPH: range of periphery registers - there can be several
* sections like this in a single file.
* @IWL_FW_ERROR_DUMP_FH_REGS: range of FH registers
* @IWL_FW_ERROR_DUMP_MEM: chunk of memory
*/
enum iwl_fw_error_dump_type {
/* 0 is deprecated */
IWL_FW_ERROR_DUMP_CSR = 1,
IWL_FW_ERROR_DUMP_RXF = 2,
IWL_FW_ERROR_DUMP_TXCMD = 3,
IWL_FW_ERROR_DUMP_DEV_FW_INFO = 4,
IWL_FW_ERROR_DUMP_FW_MONITOR = 5,
IWL_FW_ERROR_DUMP_PRPH = 6,
IWL_FW_ERROR_DUMP_TXF = 7,
IWL_FW_ERROR_DUMP_FH_REGS = 8,
IWL_FW_ERROR_DUMP_MEM = 9,
IWL_FW_ERROR_DUMP_MAX,
};
/**
* struct iwl_fw_error_dump_data - data for one type
* @type: %enum iwl_fw_error_dump_type
* @len: the length starting from %data
* @data: the data itself
*/
struct iwl_fw_error_dump_data {
__le32 type;
__le32 len;
__u8 data[];
} __packed;
/**
* struct iwl_fw_error_dump_file - the layout of the header of the file
* @barker: must be %IWL_FW_ERROR_DUMP_BARKER
* @file_len: the length of all the file starting from %barker
* @data: array of %struct iwl_fw_error_dump_data
*/
struct iwl_fw_error_dump_file {
__le32 barker;
__le32 file_len;
u8 data[0];
} __packed;
/**
* struct iwl_fw_error_dump_txcmd - TX command data
* @cmdlen: original length of command
* @caplen: captured length of command (may be less)
* @data: captured command data, @caplen bytes
*/
struct iwl_fw_error_dump_txcmd {
__le32 cmdlen;
__le32 caplen;
u8 data[];
} __packed;
/**
* struct iwl_fw_error_dump_fifo - RX/TX FIFO data
* @fifo_num: number of FIFO (starting from 0)
* @available_bytes: num of bytes available in FIFO (may be less than FIFO size)
* @wr_ptr: position of write pointer
* @rd_ptr: position of read pointer
* @fence_ptr: position of fence pointer
* @fence_mode: the current mode of the fence (before locking) -
* 0=follow RD pointer ; 1 = freeze
* @data: all of the FIFO's data
*/
struct iwl_fw_error_dump_fifo {
__le32 fifo_num;
__le32 available_bytes;
__le32 wr_ptr;
__le32 rd_ptr;
__le32 fence_ptr;
__le32 fence_mode;
u8 data[];
} __packed;
enum iwl_fw_error_dump_family {
IWL_FW_ERROR_DUMP_FAMILY_7 = 7,
IWL_FW_ERROR_DUMP_FAMILY_8 = 8,
};
/**
* struct iwl_fw_error_dump_info - info on the device / firmware
* @device_family: the family of the device (7 / 8)
* @hw_step: the step of the device
* @fw_human_readable: human readable FW version
* @dev_human_readable: name of the device
* @bus_human_readable: name of the bus used
*/
struct iwl_fw_error_dump_info {
__le32 device_family;
__le32 hw_step;
u8 fw_human_readable[FW_VER_HUMAN_READABLE_SZ];
u8 dev_human_readable[64];
u8 bus_human_readable[8];
} __packed;
/**
* struct iwl_fw_error_dump_fw_mon - FW monitor data
* @fw_mon_wr_ptr: the position of the write pointer in the cyclic buffer
* @fw_mon_base_ptr: base pointer of the data
* @fw_mon_cycle_cnt: number of wrap arounds
* @reserved: for future use
* @data: captured data
*/
struct iwl_fw_error_dump_fw_mon {
__le32 fw_mon_wr_ptr;
__le32 fw_mon_base_ptr;
__le32 fw_mon_cycle_cnt;
__le32 reserved[3];
u8 data[];
} __packed;
/**
* struct iwl_fw_error_dump_prph - periphery registers data
* @prph_start: address of the first register in this chunk
* @data: the content of the registers
*/
struct iwl_fw_error_dump_prph {
__le32 prph_start;
__le32 data[];
};
enum iwl_fw_error_dump_mem_type {
IWL_FW_ERROR_DUMP_MEM_SRAM,
IWL_FW_ERROR_DUMP_MEM_SMEM,
};
/**
* struct iwl_fw_error_dump_mem - chunk of memory
* @type: %enum iwl_fw_error_dump_mem_type
* @offset: the offset from which the memory was read
* @data: the content of the memory
*/
struct iwl_fw_error_dump_mem {
__le32 type;
__le32 offset;
u8 data[];
};
/**
* iwl_fw_error_next_data - advance fw error dump data pointer
* @data: previous data block
* Returns: next data block
*/
static inline struct iwl_fw_error_dump_data *
iwl_fw_error_next_data(struct iwl_fw_error_dump_data *data)
{
return (void *)(data->data + le32_to_cpu(data->len));
}
#endif /* __fw_error_dump_h__ */
