linux/drivers/net/wireless/iwlwifi/iwl-fw-error-dump.h
Matti Gottlieb f0afea54ee iwlwifi: mvm: Dump FW's virtual image in the case of a NIC error
When paging is enabled the driver stores part of the FW's
image in the DRAM.

Dump FW's virtual image in the case of a NIC error.

Signed-off-by: Golan Ben-Ami <golan.ben.ami@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2015-10-25 13:45:01 +02:00

321 lines
10 KiB
C

/******************************************************************************
*
* 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 - 2015 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.
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* General Public License for more details.
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* in the file called COPYING.
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* Contact Information:
* Intel Linux Wireless <ilw@linux.intel.com>
* Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
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* Copyright(c) 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2014 - 2015 Intel Mobile Communications GmbH
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*****************************************************************************/
#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
* @IWL_FW_ERROR_DUMP_ERROR_INFO: description of what triggered this dump.
* Structured as &struct iwl_fw_error_dump_trigger_desc.
* @IWL_FW_ERROR_DUMP_RB: the content of an RB structured as
* &struct iwl_fw_error_dump_rb
* @IWL_FW_ERROR_PAGING: UMAC's image memory segments which were
* paged to the DRAM.
*/
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_ERROR_INFO = 10,
IWL_FW_ERROR_DUMP_RB = 11,
IWL_FW_ERROR_DUMP_PAGING = 12,
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 wraparounds
* @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[];
};
/**
* struct iwl_fw_error_dump_rb - content of an Receive Buffer
* @index: the index of the Receive Buffer in the Rx queue
* @rxq: the RB's Rx queue
* @reserved:
* @data: the content of the Receive Buffer
*/
struct iwl_fw_error_dump_rb {
__le32 index;
__le32 rxq;
__le32 reserved;
u8 data[];
};
/**
* struct iwl_fw_error_dump_paging - content of the UMAC's image page
* block on DRAM
* @index: the index of the page block
* @reserved:
* @data: the content of the page block
*/
struct iwl_fw_error_dump_paging {
__le32 index;
__le32 reserved;
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));
}
/**
* enum iwl_fw_dbg_trigger - triggers available
*
* @FW_DBG_TRIGGER_USER: trigger log collection by user
* This should not be defined as a trigger to the driver, but a value the
* driver should set to indicate that the trigger was initiated by the
* user.
* @FW_DBG_TRIGGER_FW_ASSERT: trigger log collection when the firmware asserts
* @FW_DBG_TRIGGER_MISSED_BEACONS: trigger log collection when beacons are
* missed.
* @FW_DBG_TRIGGER_CHANNEL_SWITCH: trigger log collection upon channel switch.
* @FW_DBG_TRIGGER_FW_NOTIF: trigger log collection when the firmware sends a
* command response or a notification.
* @FW_DBG_TRIGGER_MLME: trigger log collection upon MLME event.
* @FW_DBG_TRIGGER_STATS: trigger log collection upon statistics threshold.
* @FW_DBG_TRIGGER_RSSI: trigger log collection when the rssi of the beacon
* goes below a threshold.
* @FW_DBG_TRIGGER_TXQ_TIMERS: configures the timers for the Tx queue hang
* detection.
* @FW_DBG_TRIGGER_TIME_EVENT: trigger log collection upon time events related
* events.
* @FW_DBG_TRIGGER_BA: trigger log collection upon BlockAck related events.
*/
enum iwl_fw_dbg_trigger {
FW_DBG_TRIGGER_INVALID = 0,
FW_DBG_TRIGGER_USER,
FW_DBG_TRIGGER_FW_ASSERT,
FW_DBG_TRIGGER_MISSED_BEACONS,
FW_DBG_TRIGGER_CHANNEL_SWITCH,
FW_DBG_TRIGGER_FW_NOTIF,
FW_DBG_TRIGGER_MLME,
FW_DBG_TRIGGER_STATS,
FW_DBG_TRIGGER_RSSI,
FW_DBG_TRIGGER_TXQ_TIMERS,
FW_DBG_TRIGGER_TIME_EVENT,
FW_DBG_TRIGGER_BA,
/* must be last */
FW_DBG_TRIGGER_MAX,
};
/**
* struct iwl_fw_error_dump_trigger_desc - describes the trigger condition
* @type: %enum iwl_fw_dbg_trigger
* @data: raw data about what happened
*/
struct iwl_fw_error_dump_trigger_desc {
__le32 type;
u8 data[];
};
#endif /* __fw_error_dump_h__ */