drivers/net/wireless/iwlwifi/iwl-fw-error-dump.h

   1 /******************************************************************************
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   4  * redistributing this file, you may do so under either license.
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   6  * GPL LICENSE SUMMARY
   7  *
   8  * Copyright(c) 2014 Intel Corporation. All rights reserved.
   9  * Copyright(c) 2014 - 2015 Intel Mobile Communications GmbH
  10  *
  11  * This program is free software; you can redistribute it and/or modify
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  32  * BSD LICENSE
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  34  * Copyright(c) 2014 Intel Corporation. All rights reserved.
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  63  *****************************************************************************/
  64
  65 #ifndef __fw_error_dump_h__
  66 #define __fw_error_dump_h__
  67
  68 #include <linux/types.h>
  69
  70 #define IWL_FW_ERROR_DUMP_BARKER        0x14789632
  71
  72 /**
  73  * enum iwl_fw_error_dump_type - types of data in the dump file
  74  * @IWL_FW_ERROR_DUMP_CSR: Control Status Registers - from offset 0
  75  * @IWL_FW_ERROR_DUMP_RXF:
  76  * @IWL_FW_ERROR_DUMP_TXCMD: last TX command data, structured as
  77  *      &struct iwl_fw_error_dump_txcmd packets
  78  * @IWL_FW_ERROR_DUMP_DEV_FW_INFO:  struct %iwl_fw_error_dump_info
  79  *      info on the device / firmware.
  80  * @IWL_FW_ERROR_DUMP_FW_MONITOR: firmware monitor
  81  * @IWL_FW_ERROR_DUMP_PRPH: range of periphery registers - there can be several
  82  *      sections like this in a single file.
  83  * @IWL_FW_ERROR_DUMP_FH_REGS: range of FH registers
  84  * @IWL_FW_ERROR_DUMP_MEM: chunk of memory
  85  * @IWL_FW_ERROR_DUMP_ERROR_INFO: description of what triggered this dump.
  86  *      Structured as &struct iwl_fw_error_dump_trigger_desc.
  87  * @IWL_FW_ERROR_DUMP_RB: the content of an RB structured as
  88  *      &struct iwl_fw_error_dump_rb
  89  * @IWL_FW_ERROR_PAGING: UMAC's image memory segments which were
  90  *      paged to the DRAM.
  91  */
  92 enum iwl_fw_error_dump_type {
  93         /* 0 is deprecated */
  94         IWL_FW_ERROR_DUMP_CSR = 1,
  95         IWL_FW_ERROR_DUMP_RXF = 2,
  96         IWL_FW_ERROR_DUMP_TXCMD = 3,
  97         IWL_FW_ERROR_DUMP_DEV_FW_INFO = 4,
  98         IWL_FW_ERROR_DUMP_FW_MONITOR = 5,
  99         IWL_FW_ERROR_DUMP_PRPH = 6,
 100         IWL_FW_ERROR_DUMP_TXF = 7,
 101         IWL_FW_ERROR_DUMP_FH_REGS = 8,
 102         IWL_FW_ERROR_DUMP_MEM = 9,
 103         IWL_FW_ERROR_DUMP_ERROR_INFO = 10,
 104         IWL_FW_ERROR_DUMP_RB = 11,
 105         IWL_FW_ERROR_DUMP_PAGING = 12,
 106
 107         IWL_FW_ERROR_DUMP_MAX,
 108 };
 109
 110 /**
 111  * struct iwl_fw_error_dump_data - data for one type
 112  * @type: %enum iwl_fw_error_dump_type
 113  * @len: the length starting from %data
 114  * @data: the data itself
 115  */
 116 struct iwl_fw_error_dump_data {
 117         __le32 type;
 118         __le32 len;
 119         __u8 data[];
 120 } __packed;
 121
 122 /**
 123  * struct iwl_fw_error_dump_file - the layout of the header of the file
 124  * @barker: must be %IWL_FW_ERROR_DUMP_BARKER
 125  * @file_len: the length of all the file starting from %barker
 126  * @data: array of %struct iwl_fw_error_dump_data
 127  */
 128 struct iwl_fw_error_dump_file {
 129         __le32 barker;
 130         __le32 file_len;
 131         u8 data[0];
 132 } __packed;
 133
 134 /**
 135  * struct iwl_fw_error_dump_txcmd - TX command data
 136  * @cmdlen: original length of command
 137  * @caplen: captured length of command (may be less)
 138  * @data: captured command data, @caplen bytes
 139  */
 140 struct iwl_fw_error_dump_txcmd {
 141         __le32 cmdlen;
 142         __le32 caplen;
 143         u8 data[];
 144 } __packed;
 145
 146 /**
 147  * struct iwl_fw_error_dump_fifo - RX/TX FIFO data
 148  * @fifo_num: number of FIFO (starting from 0)
 149  * @available_bytes: num of bytes available in FIFO (may be less than FIFO size)
 150  * @wr_ptr: position of write pointer
 151  * @rd_ptr: position of read pointer
 152  * @fence_ptr: position of fence pointer
 153  * @fence_mode: the current mode of the fence (before locking) -
 154  *      0=follow RD pointer ; 1 = freeze
 155  * @data: all of the FIFO's data
 156  */
 157 struct iwl_fw_error_dump_fifo {
 158         __le32 fifo_num;
 159         __le32 available_bytes;
 160         __le32 wr_ptr;
 161         __le32 rd_ptr;
 162         __le32 fence_ptr;
 163         __le32 fence_mode;
 164         u8 data[];
 165 } __packed;
 166
 167 enum iwl_fw_error_dump_family {
 168         IWL_FW_ERROR_DUMP_FAMILY_7 = 7,
 169         IWL_FW_ERROR_DUMP_FAMILY_8 = 8,
 170 };
 171
 172 /**
 173  * struct iwl_fw_error_dump_info - info on the device / firmware
 174  * @device_family: the family of the device (7 / 8)
 175  * @hw_step: the step of the device
 176  * @fw_human_readable: human readable FW version
 177  * @dev_human_readable: name of the device
 178  * @bus_human_readable: name of the bus used
 179  */
 180 struct iwl_fw_error_dump_info {
 181         __le32 device_family;
 182         __le32 hw_step;
 183         u8 fw_human_readable[FW_VER_HUMAN_READABLE_SZ];
 184         u8 dev_human_readable[64];
 185         u8 bus_human_readable[8];
 186 } __packed;
 187
 188 /**
 189  * struct iwl_fw_error_dump_fw_mon - FW monitor data
 190  * @fw_mon_wr_ptr: the position of the write pointer in the cyclic buffer
 191  * @fw_mon_base_ptr: base pointer of the data
 192  * @fw_mon_cycle_cnt: number of wraparounds
 193  * @reserved: for future use
 194  * @data: captured data
 195  */
 196 struct iwl_fw_error_dump_fw_mon {
 197         __le32 fw_mon_wr_ptr;
 198         __le32 fw_mon_base_ptr;
 199         __le32 fw_mon_cycle_cnt;
 200         __le32 reserved[3];
 201         u8 data[];
 202 } __packed;
 203
 204 /**
 205  * struct iwl_fw_error_dump_prph - periphery registers data
 206  * @prph_start: address of the first register in this chunk
 207  * @data: the content of the registers
 208  */
 209 struct iwl_fw_error_dump_prph {
 210         __le32 prph_start;
 211         __le32 data[];
 212 };
 213
 214 enum iwl_fw_error_dump_mem_type {
 215         IWL_FW_ERROR_DUMP_MEM_SRAM,
 216         IWL_FW_ERROR_DUMP_MEM_SMEM,
 217 };
 218
 219 /**
 220  * struct iwl_fw_error_dump_mem - chunk of memory
 221  * @type: %enum iwl_fw_error_dump_mem_type
 222  * @offset: the offset from which the memory was read
 223  * @data: the content of the memory
 224  */
 225 struct iwl_fw_error_dump_mem {
 226         __le32 type;
 227         __le32 offset;
 228         u8 data[];
 229 };
 230
 231 /**
 232  * struct iwl_fw_error_dump_rb - content of an Receive Buffer
 233  * @index: the index of the Receive Buffer in the Rx queue
 234  * @rxq: the RB's Rx queue
 235  * @reserved:
 236  * @data: the content of the Receive Buffer
 237  */
 238 struct iwl_fw_error_dump_rb {
 239         __le32 index;
 240         __le32 rxq;
 241         __le32 reserved;
 242         u8 data[];
 243 };
 244
 245 /**
 246  * struct iwl_fw_error_dump_paging - content of the UMAC's image page
 247  *      block on DRAM
 248  * @index: the index of the page block
 249  * @reserved:
 250  * @data: the content of the page block
 251  */
 252 struct iwl_fw_error_dump_paging {
 253         __le32 index;
 254         __le32 reserved;
 255         u8 data[];
 256 };
 257
 258 /**
 259  * iwl_fw_error_next_data - advance fw error dump data pointer
 260  * @data: previous data block
 261  * Returns: next data block
 262  */
 263 static inline struct iwl_fw_error_dump_data *
 264 iwl_fw_error_next_data(struct iwl_fw_error_dump_data *data)
 265 {
 266         return (void *)(data->data + le32_to_cpu(data->len));
 267 }
 268
 269 /**
 270  * enum iwl_fw_dbg_trigger - triggers available
 271  *
 272  * @FW_DBG_TRIGGER_USER: trigger log collection by user
 273  *      This should not be defined as a trigger to the driver, but a value the
 274  *      driver should set to indicate that the trigger was initiated by the
 275  *      user.
 276  * @FW_DBG_TRIGGER_FW_ASSERT: trigger log collection when the firmware asserts
 277  * @FW_DBG_TRIGGER_MISSED_BEACONS: trigger log collection when beacons are
 278  *      missed.
 279  * @FW_DBG_TRIGGER_CHANNEL_SWITCH: trigger log collection upon channel switch.
 280  * @FW_DBG_TRIGGER_FW_NOTIF: trigger log collection when the firmware sends a
 281  *      command response or a notification.
 282  * @FW_DBG_TRIGGER_MLME: trigger log collection upon MLME event.
 283  * @FW_DBG_TRIGGER_STATS: trigger log collection upon statistics threshold.
 284  * @FW_DBG_TRIGGER_RSSI: trigger log collection when the rssi of the beacon
 285  *      goes below a threshold.
 286  * @FW_DBG_TRIGGER_TXQ_TIMERS: configures the timers for the Tx queue hang
 287  *      detection.
 288  * @FW_DBG_TRIGGER_TIME_EVENT: trigger log collection upon time events related
 289  *      events.
 290  * @FW_DBG_TRIGGER_BA: trigger log collection upon BlockAck related events.
 291  */
 292 enum iwl_fw_dbg_trigger {
 293         FW_DBG_TRIGGER_INVALID = 0,
 294         FW_DBG_TRIGGER_USER,
 295         FW_DBG_TRIGGER_FW_ASSERT,
 296         FW_DBG_TRIGGER_MISSED_BEACONS,
 297         FW_DBG_TRIGGER_CHANNEL_SWITCH,
 298         FW_DBG_TRIGGER_FW_NOTIF,
 299         FW_DBG_TRIGGER_MLME,
 300         FW_DBG_TRIGGER_STATS,
 301         FW_DBG_TRIGGER_RSSI,
 302         FW_DBG_TRIGGER_TXQ_TIMERS,
 303         FW_DBG_TRIGGER_TIME_EVENT,
 304         FW_DBG_TRIGGER_BA,
 305
 306         /* must be last */
 307         FW_DBG_TRIGGER_MAX,
 308 };
 309
 310 /**
 311  * struct iwl_fw_error_dump_trigger_desc - describes the trigger condition
 312  * @type: %enum iwl_fw_dbg_trigger
 313  * @data: raw data about what happened
 314  */
 315 struct iwl_fw_error_dump_trigger_desc {
 316         __le32 type;
 317         u8 data[];
 318 };
 319
 320 #endif /* __fw_error_dump_h__ */