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

   1 /******************************************************************************
   2  *
   3  * This file is provided under a dual BSD/GPLv2 license.  When using or
   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
  12  * it under the terms of version 2 of the GNU General Public License as
  13  * published by the Free Software Foundation.
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  15  * This program is distributed in the hope that it will be useful, but
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  24  *
  25  * The full GNU General Public License is included in this distribution
  26  * in the file called COPYING.
  27  *
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  29  *  Intel Linux Wireless <linuxwifi@intel.com>
  30  * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
  31  *
  32  * BSD LICENSE
  33  *
  34  * Copyright(c) 2014 Intel Corporation. All rights reserved.
  35  * Copyright(c) 2014 - 2015 Intel Mobile Communications GmbH
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  52  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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  62  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  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  * @IWL_FW_ERROR_DUMP_RADIO_REG: Dump the radio registers.
  92  */
  93 enum iwl_fw_error_dump_type {
  94         /* 0 is deprecated */
  95         IWL_FW_ERROR_DUMP_CSR = 1,
  96         IWL_FW_ERROR_DUMP_RXF = 2,
  97         IWL_FW_ERROR_DUMP_TXCMD = 3,
  98         IWL_FW_ERROR_DUMP_DEV_FW_INFO = 4,
  99         IWL_FW_ERROR_DUMP_FW_MONITOR = 5,
 100         IWL_FW_ERROR_DUMP_PRPH = 6,
 101         IWL_FW_ERROR_DUMP_TXF = 7,
 102         IWL_FW_ERROR_DUMP_FH_REGS = 8,
 103         IWL_FW_ERROR_DUMP_MEM = 9,
 104         IWL_FW_ERROR_DUMP_ERROR_INFO = 10,
 105         IWL_FW_ERROR_DUMP_RB = 11,
 106         IWL_FW_ERROR_DUMP_PAGING = 12,
 107         IWL_FW_ERROR_DUMP_RADIO_REG = 13,
 108         IWL_FW_ERROR_DUMP_INTERNAL_TXF = 14,
 109
 110         IWL_FW_ERROR_DUMP_MAX,
 111 };
 112
 113 /**
 114  * struct iwl_fw_error_dump_data - data for one type
 115  * @type: %enum iwl_fw_error_dump_type
 116  * @len: the length starting from %data
 117  * @data: the data itself
 118  */
 119 struct iwl_fw_error_dump_data {
 120         __le32 type;
 121         __le32 len;
 122         __u8 data[];
 123 } __packed;
 124
 125 /**
 126  * struct iwl_fw_error_dump_file - the layout of the header of the file
 127  * @barker: must be %IWL_FW_ERROR_DUMP_BARKER
 128  * @file_len: the length of all the file starting from %barker
 129  * @data: array of %struct iwl_fw_error_dump_data
 130  */
 131 struct iwl_fw_error_dump_file {
 132         __le32 barker;
 133         __le32 file_len;
 134         u8 data[0];
 135 } __packed;
 136
 137 /**
 138  * struct iwl_fw_error_dump_txcmd - TX command data
 139  * @cmdlen: original length of command
 140  * @caplen: captured length of command (may be less)
 141  * @data: captured command data, @caplen bytes
 142  */
 143 struct iwl_fw_error_dump_txcmd {
 144         __le32 cmdlen;
 145         __le32 caplen;
 146         u8 data[];
 147 } __packed;
 148
 149 /**
 150  * struct iwl_fw_error_dump_fifo - RX/TX FIFO data
 151  * @fifo_num: number of FIFO (starting from 0)
 152  * @available_bytes: num of bytes available in FIFO (may be less than FIFO size)
 153  * @wr_ptr: position of write pointer
 154  * @rd_ptr: position of read pointer
 155  * @fence_ptr: position of fence pointer
 156  * @fence_mode: the current mode of the fence (before locking) -
 157  *      0=follow RD pointer ; 1 = freeze
 158  * @data: all of the FIFO's data
 159  */
 160 struct iwl_fw_error_dump_fifo {
 161         __le32 fifo_num;
 162         __le32 available_bytes;
 163         __le32 wr_ptr;
 164         __le32 rd_ptr;
 165         __le32 fence_ptr;
 166         __le32 fence_mode;
 167         u8 data[];
 168 } __packed;
 169
 170 enum iwl_fw_error_dump_family {
 171         IWL_FW_ERROR_DUMP_FAMILY_7 = 7,
 172         IWL_FW_ERROR_DUMP_FAMILY_8 = 8,
 173 };
 174
 175 /**
 176  * struct iwl_fw_error_dump_info - info on the device / firmware
 177  * @device_family: the family of the device (7 / 8)
 178  * @hw_step: the step of the device
 179  * @fw_human_readable: human readable FW version
 180  * @dev_human_readable: name of the device
 181  * @bus_human_readable: name of the bus used
 182  */
 183 struct iwl_fw_error_dump_info {
 184         __le32 device_family;
 185         __le32 hw_step;
 186         u8 fw_human_readable[FW_VER_HUMAN_READABLE_SZ];
 187         u8 dev_human_readable[64];
 188         u8 bus_human_readable[8];
 189 } __packed;
 190
 191 /**
 192  * struct iwl_fw_error_dump_fw_mon - FW monitor data
 193  * @fw_mon_wr_ptr: the position of the write pointer in the cyclic buffer
 194  * @fw_mon_base_ptr: base pointer of the data
 195  * @fw_mon_cycle_cnt: number of wraparounds
 196  * @reserved: for future use
 197  * @data: captured data
 198  */
 199 struct iwl_fw_error_dump_fw_mon {
 200         __le32 fw_mon_wr_ptr;
 201         __le32 fw_mon_base_ptr;
 202         __le32 fw_mon_cycle_cnt;
 203         __le32 reserved[3];
 204         u8 data[];
 205 } __packed;
 206
 207 /**
 208  * struct iwl_fw_error_dump_prph - periphery registers data
 209  * @prph_start: address of the first register in this chunk
 210  * @data: the content of the registers
 211  */
 212 struct iwl_fw_error_dump_prph {
 213         __le32 prph_start;
 214         __le32 data[];
 215 };
 216
 217 enum iwl_fw_error_dump_mem_type {
 218         IWL_FW_ERROR_DUMP_MEM_SRAM,
 219         IWL_FW_ERROR_DUMP_MEM_SMEM,
 220 };
 221
 222 /**
 223  * struct iwl_fw_error_dump_mem - chunk of memory
 224  * @type: %enum iwl_fw_error_dump_mem_type
 225  * @offset: the offset from which the memory was read
 226  * @data: the content of the memory
 227  */
 228 struct iwl_fw_error_dump_mem {
 229         __le32 type;
 230         __le32 offset;
 231         u8 data[];
 232 };
 233
 234 /**
 235  * struct iwl_fw_error_dump_rb - content of an Receive Buffer
 236  * @index: the index of the Receive Buffer in the Rx queue
 237  * @rxq: the RB's Rx queue
 238  * @reserved:
 239  * @data: the content of the Receive Buffer
 240  */
 241 struct iwl_fw_error_dump_rb {
 242         __le32 index;
 243         __le32 rxq;
 244         __le32 reserved;
 245         u8 data[];
 246 };
 247
 248 /**
 249  * struct iwl_fw_error_dump_paging - content of the UMAC's image page
 250  *      block on DRAM
 251  * @index: the index of the page block
 252  * @reserved:
 253  * @data: the content of the page block
 254  */
 255 struct iwl_fw_error_dump_paging {
 256         __le32 index;
 257         __le32 reserved;
 258         u8 data[];
 259 };
 260
 261 /**
 262  * iwl_fw_error_next_data - advance fw error dump data pointer
 263  * @data: previous data block
 264  * Returns: next data block
 265  */
 266 static inline struct iwl_fw_error_dump_data *
 267 iwl_fw_error_next_data(struct iwl_fw_error_dump_data *data)
 268 {
 269         return (void *)(data->data + le32_to_cpu(data->len));
 270 }
 271
 272 /**
 273  * enum iwl_fw_dbg_trigger - triggers available
 274  *
 275  * @FW_DBG_TRIGGER_USER: trigger log collection by user
 276  *      This should not be defined as a trigger to the driver, but a value the
 277  *      driver should set to indicate that the trigger was initiated by the
 278  *      user.
 279  * @FW_DBG_TRIGGER_FW_ASSERT: trigger log collection when the firmware asserts
 280  * @FW_DBG_TRIGGER_MISSED_BEACONS: trigger log collection when beacons are
 281  *      missed.
 282  * @FW_DBG_TRIGGER_CHANNEL_SWITCH: trigger log collection upon channel switch.
 283  * @FW_DBG_TRIGGER_FW_NOTIF: trigger log collection when the firmware sends a
 284  *      command response or a notification.
 285  * @FW_DBG_TRIGGER_MLME: trigger log collection upon MLME event.
 286  * @FW_DBG_TRIGGER_STATS: trigger log collection upon statistics threshold.
 287  * @FW_DBG_TRIGGER_RSSI: trigger log collection when the rssi of the beacon
 288  *      goes below a threshold.
 289  * @FW_DBG_TRIGGER_TXQ_TIMERS: configures the timers for the Tx queue hang
 290  *      detection.
 291  * @FW_DBG_TRIGGER_TIME_EVENT: trigger log collection upon time events related
 292  *      events.
 293  * @FW_DBG_TRIGGER_BA: trigger log collection upon BlockAck related events.
 294  * @FW_DBG_TX_LATENCY: trigger log collection when the tx latency goes above a
 295  *      threshold.
 296  * @FW_DBG_TDLS: trigger log collection upon TDLS related events.
 297  * @FW_DBG_TRIGGER_TX_STATUS: trigger log collection upon tx status when
 298  *  the firmware sends a tx reply.
 299  */
 300 enum iwl_fw_dbg_trigger {
 301         FW_DBG_TRIGGER_INVALID = 0,
 302         FW_DBG_TRIGGER_USER,
 303         FW_DBG_TRIGGER_FW_ASSERT,
 304         FW_DBG_TRIGGER_MISSED_BEACONS,
 305         FW_DBG_TRIGGER_CHANNEL_SWITCH,
 306         FW_DBG_TRIGGER_FW_NOTIF,
 307         FW_DBG_TRIGGER_MLME,
 308         FW_DBG_TRIGGER_STATS,
 309         FW_DBG_TRIGGER_RSSI,
 310         FW_DBG_TRIGGER_TXQ_TIMERS,
 311         FW_DBG_TRIGGER_TIME_EVENT,
 312         FW_DBG_TRIGGER_BA,
 313         FW_DBG_TRIGGER_TX_LATENCY,
 314         FW_DBG_TRIGGER_TDLS,
 315         FW_DBG_TRIGGER_TX_STATUS,
 316
 317         /* must be last */
 318         FW_DBG_TRIGGER_MAX,
 319 };
 320
 321 /**
 322  * struct iwl_fw_error_dump_trigger_desc - describes the trigger condition
 323  * @type: %enum iwl_fw_dbg_trigger
 324  * @data: raw data about what happened
 325  */
 326 struct iwl_fw_error_dump_trigger_desc {
 327         __le32 type;
 328         u8 data[];
 329 };
 330
 331 #endif /* __fw_error_dump_h__ */