cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
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error-dump.h (16424B)


      1/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
      2/*
      3 * Copyright (C) 2014, 2018-2021 Intel Corporation
      4 * Copyright (C) 2014-2015 Intel Mobile Communications GmbH
      5 * Copyright (C) 2016-2017 Intel Deutschland GmbH
      6 */
      7#ifndef __fw_error_dump_h__
      8#define __fw_error_dump_h__
      9
     10#include <linux/types.h>
     11#include "fw/api/cmdhdr.h"
     12
     13#define IWL_FW_ERROR_DUMP_BARKER	0x14789632
     14#define IWL_FW_INI_ERROR_DUMP_BARKER	0x14789633
     15
     16/**
     17 * enum iwl_fw_error_dump_type - types of data in the dump file
     18 * @IWL_FW_ERROR_DUMP_CSR: Control Status Registers - from offset 0
     19 * @IWL_FW_ERROR_DUMP_RXF:
     20 * @IWL_FW_ERROR_DUMP_TXCMD: last TX command data, structured as
     21 *	&struct iwl_fw_error_dump_txcmd packets
     22 * @IWL_FW_ERROR_DUMP_DEV_FW_INFO:  struct %iwl_fw_error_dump_info
     23 *	info on the device / firmware.
     24 * @IWL_FW_ERROR_DUMP_FW_MONITOR: firmware monitor
     25 * @IWL_FW_ERROR_DUMP_PRPH: range of periphery registers - there can be several
     26 *	sections like this in a single file.
     27 * @IWL_FW_ERROR_DUMP_FH_REGS: range of FH registers
     28 * @IWL_FW_ERROR_DUMP_MEM: chunk of memory
     29 * @IWL_FW_ERROR_DUMP_ERROR_INFO: description of what triggered this dump.
     30 *	Structured as &struct iwl_fw_error_dump_trigger_desc.
     31 * @IWL_FW_ERROR_DUMP_RB: the content of an RB structured as
     32 *	&struct iwl_fw_error_dump_rb
     33 * @IWL_FW_ERROR_PAGING: UMAC's image memory segments which were
     34 *	paged to the DRAM.
     35 * @IWL_FW_ERROR_DUMP_RADIO_REG: Dump the radio registers.
     36 * @IWL_FW_ERROR_DUMP_EXTERNAL: used only by external code utilities, and
     37 *	for that reason is not in use in any other place in the Linux Wi-Fi
     38 *	stack.
     39 * @IWL_FW_ERROR_DUMP_MEM_CFG: the addresses and sizes of fifos in the smem,
     40 *	which we get from the fw after ALIVE. The content is structured as
     41 *	&struct iwl_fw_error_dump_smem_cfg.
     42 */
     43enum iwl_fw_error_dump_type {
     44	/* 0 is deprecated */
     45	IWL_FW_ERROR_DUMP_CSR = 1,
     46	IWL_FW_ERROR_DUMP_RXF = 2,
     47	IWL_FW_ERROR_DUMP_TXCMD = 3,
     48	IWL_FW_ERROR_DUMP_DEV_FW_INFO = 4,
     49	IWL_FW_ERROR_DUMP_FW_MONITOR = 5,
     50	IWL_FW_ERROR_DUMP_PRPH = 6,
     51	IWL_FW_ERROR_DUMP_TXF = 7,
     52	IWL_FW_ERROR_DUMP_FH_REGS = 8,
     53	IWL_FW_ERROR_DUMP_MEM = 9,
     54	IWL_FW_ERROR_DUMP_ERROR_INFO = 10,
     55	IWL_FW_ERROR_DUMP_RB = 11,
     56	IWL_FW_ERROR_DUMP_PAGING = 12,
     57	IWL_FW_ERROR_DUMP_RADIO_REG = 13,
     58	IWL_FW_ERROR_DUMP_INTERNAL_TXF = 14,
     59	IWL_FW_ERROR_DUMP_EXTERNAL = 15, /* Do not move */
     60	IWL_FW_ERROR_DUMP_MEM_CFG = 16,
     61	IWL_FW_ERROR_DUMP_D3_DEBUG_DATA = 17,
     62
     63	IWL_FW_ERROR_DUMP_MAX,
     64};
     65
     66/**
     67 * struct iwl_fw_error_dump_data - data for one type
     68 * @type: &enum iwl_fw_error_dump_type
     69 * @len: the length starting from %data
     70 * @data: the data itself
     71 */
     72struct iwl_fw_error_dump_data {
     73	__le32 type;
     74	__le32 len;
     75	__u8 data[];
     76} __packed;
     77
     78/**
     79 * struct iwl_fw_error_dump_file - the layout of the header of the file
     80 * @barker: must be %IWL_FW_ERROR_DUMP_BARKER
     81 * @file_len: the length of all the file starting from %barker
     82 * @data: array of &struct iwl_fw_error_dump_data
     83 */
     84struct iwl_fw_error_dump_file {
     85	__le32 barker;
     86	__le32 file_len;
     87	u8 data[];
     88} __packed;
     89
     90/**
     91 * struct iwl_fw_error_dump_txcmd - TX command data
     92 * @cmdlen: original length of command
     93 * @caplen: captured length of command (may be less)
     94 * @data: captured command data, @caplen bytes
     95 */
     96struct iwl_fw_error_dump_txcmd {
     97	__le32 cmdlen;
     98	__le32 caplen;
     99	u8 data[];
    100} __packed;
    101
    102/**
    103 * struct iwl_fw_error_dump_fifo - RX/TX FIFO data
    104 * @fifo_num: number of FIFO (starting from 0)
    105 * @available_bytes: num of bytes available in FIFO (may be less than FIFO size)
    106 * @wr_ptr: position of write pointer
    107 * @rd_ptr: position of read pointer
    108 * @fence_ptr: position of fence pointer
    109 * @fence_mode: the current mode of the fence (before locking) -
    110 *	0=follow RD pointer ; 1 = freeze
    111 * @data: all of the FIFO's data
    112 */
    113struct iwl_fw_error_dump_fifo {
    114	__le32 fifo_num;
    115	__le32 available_bytes;
    116	__le32 wr_ptr;
    117	__le32 rd_ptr;
    118	__le32 fence_ptr;
    119	__le32 fence_mode;
    120	u8 data[];
    121} __packed;
    122
    123enum iwl_fw_error_dump_family {
    124	IWL_FW_ERROR_DUMP_FAMILY_7 = 7,
    125	IWL_FW_ERROR_DUMP_FAMILY_8 = 8,
    126};
    127
    128#define MAX_NUM_LMAC 2
    129
    130/**
    131 * struct iwl_fw_error_dump_info - info on the device / firmware
    132 * @hw_type: the type of the device
    133 * @hw_step: the step of the device
    134 * @fw_human_readable: human readable FW version
    135 * @dev_human_readable: name of the device
    136 * @bus_human_readable: name of the bus used
    137 * @num_of_lmacs: the number of lmacs
    138 * @lmac_err_id: the lmac 0/1 error_id/rt_status that triggered the latest dump
    139 *	if the dump collection was not initiated by an assert, the value is 0
    140 * @umac_err_id: the umac error_id/rt_status that triggered the latest dump
    141 *	if the dump collection was not initiated by an assert, the value is 0
    142 */
    143struct iwl_fw_error_dump_info {
    144	__le32 hw_type;
    145	__le32 hw_step;
    146	u8 fw_human_readable[FW_VER_HUMAN_READABLE_SZ];
    147	u8 dev_human_readable[64];
    148	u8 bus_human_readable[8];
    149	u8 num_of_lmacs;
    150	__le32 umac_err_id;
    151	__le32 lmac_err_id[MAX_NUM_LMAC];
    152} __packed;
    153
    154/**
    155 * struct iwl_fw_error_dump_fw_mon - FW monitor data
    156 * @fw_mon_wr_ptr: the position of the write pointer in the cyclic buffer
    157 * @fw_mon_base_ptr: base pointer of the data
    158 * @fw_mon_cycle_cnt: number of wraparounds
    159 * @fw_mon_base_high_ptr: used in AX210 devices, the base adderss is 64 bit
    160 *	so fw_mon_base_ptr holds LSB 32 bits and fw_mon_base_high_ptr hold
    161 *	MSB 32 bits
    162 * @reserved: for future use
    163 * @data: captured data
    164 */
    165struct iwl_fw_error_dump_fw_mon {
    166	__le32 fw_mon_wr_ptr;
    167	__le32 fw_mon_base_ptr;
    168	__le32 fw_mon_cycle_cnt;
    169	__le32 fw_mon_base_high_ptr;
    170	__le32 reserved[2];
    171	u8 data[];
    172} __packed;
    173
    174#define MAX_NUM_LMAC 2
    175#define TX_FIFO_INTERNAL_MAX_NUM	6
    176#define TX_FIFO_MAX_NUM			15
    177/**
    178 * struct iwl_fw_error_dump_smem_cfg - Dump SMEM configuration
    179 *	This must follow &struct iwl_fwrt_shared_mem_cfg.
    180 * @num_lmacs: number of lmacs
    181 * @num_txfifo_entries: number of tx fifos
    182 * @lmac: sizes of lmacs txfifos and rxfifo1
    183 * @rxfifo2_size: size of rxfifo2
    184 * @internal_txfifo_addr: address of internal tx fifo
    185 * @internal_txfifo_size: size of internal tx fifo
    186 */
    187struct iwl_fw_error_dump_smem_cfg {
    188	__le32 num_lmacs;
    189	__le32 num_txfifo_entries;
    190	struct {
    191		__le32 txfifo_size[TX_FIFO_MAX_NUM];
    192		__le32 rxfifo1_size;
    193	} lmac[MAX_NUM_LMAC];
    194	__le32 rxfifo2_size;
    195	__le32 internal_txfifo_addr;
    196	__le32 internal_txfifo_size[TX_FIFO_INTERNAL_MAX_NUM];
    197} __packed;
    198/**
    199 * struct iwl_fw_error_dump_prph - periphery registers data
    200 * @prph_start: address of the first register in this chunk
    201 * @data: the content of the registers
    202 */
    203struct iwl_fw_error_dump_prph {
    204	__le32 prph_start;
    205	__le32 data[];
    206};
    207
    208enum iwl_fw_error_dump_mem_type {
    209	IWL_FW_ERROR_DUMP_MEM_SRAM,
    210	IWL_FW_ERROR_DUMP_MEM_SMEM,
    211	IWL_FW_ERROR_DUMP_MEM_NAMED_MEM = 10,
    212};
    213
    214/**
    215 * struct iwl_fw_error_dump_mem - chunk of memory
    216 * @type: &enum iwl_fw_error_dump_mem_type
    217 * @offset: the offset from which the memory was read
    218 * @data: the content of the memory
    219 */
    220struct iwl_fw_error_dump_mem {
    221	__le32 type;
    222	__le32 offset;
    223	u8 data[];
    224};
    225
    226/* Dump version, used by the dump parser to differentiate between
    227 * different dump formats
    228 */
    229#define IWL_INI_DUMP_VER 1
    230
    231/* Use bit 31 as dump info type to avoid colliding with region types */
    232#define IWL_INI_DUMP_INFO_TYPE BIT(31)
    233
    234/**
    235 * struct iwl_fw_error_dump_data - data for one type
    236 * @type: &enum iwl_fw_ini_region_type
    237 * @sub_type: sub type id
    238 * @sub_type_ver: sub type version
    239 * @reserved: not in use
    240 * @len: the length starting from %data
    241 * @data: the data itself
    242 */
    243struct iwl_fw_ini_error_dump_data {
    244	u8 type;
    245	u8 sub_type;
    246	u8 sub_type_ver;
    247	u8 reserved;
    248	__le32 len;
    249	__u8 data[];
    250} __packed;
    251
    252/**
    253 * struct iwl_fw_ini_dump_entry
    254 * @list: list of dump entries
    255 * @size: size of the data
    256 * @data: entry data
    257 */
    258struct iwl_fw_ini_dump_entry {
    259	struct list_head list;
    260	u32 size;
    261	u8 data[];
    262} __packed;
    263
    264/**
    265 * struct iwl_fw_error_dump_file - header of dump file
    266 * @barker: must be %IWL_FW_INI_ERROR_DUMP_BARKER
    267 * @file_len: the length of all the file including the header
    268 */
    269struct iwl_fw_ini_dump_file_hdr {
    270	__le32 barker;
    271	__le32 file_len;
    272} __packed;
    273
    274/**
    275 * struct iwl_fw_ini_fifo_hdr - fifo range header
    276 * @fifo_num: the fifo number. In case of umac rx fifo, set BIT(31) to
    277 *	distinguish between lmac and umac rx fifos
    278 * @num_of_registers: num of registers to dump, dword size each
    279 */
    280struct iwl_fw_ini_fifo_hdr {
    281	__le32 fifo_num;
    282	__le32 num_of_registers;
    283} __packed;
    284
    285/**
    286 * struct iwl_fw_ini_error_dump_range - range of memory
    287 * @range_data_size: the size of this range, in bytes
    288 * @internal_base_addr: base address of internal memory range
    289 * @dram_base_addr: base address of dram monitor range
    290 * @page_num: page number of memory range
    291 * @fifo_hdr: fifo header of memory range
    292 * @fw_pkt: FW packet header of memory range
    293 * @data: the actual memory
    294 */
    295struct iwl_fw_ini_error_dump_range {
    296	__le32 range_data_size;
    297	union {
    298		__le32 internal_base_addr;
    299		__le64 dram_base_addr;
    300		__le32 page_num;
    301		struct iwl_fw_ini_fifo_hdr fifo_hdr;
    302		struct iwl_cmd_header fw_pkt_hdr;
    303	};
    304	__le32 data[];
    305} __packed;
    306
    307/**
    308 * struct iwl_fw_ini_error_dump_header - ini region dump header
    309 * @version: dump version
    310 * @region_id: id of the region
    311 * @num_of_ranges: number of ranges in this region
    312 * @name_len: number of bytes allocated to the name string of this region
    313 * @name: name of the region
    314 */
    315struct iwl_fw_ini_error_dump_header {
    316	__le32 version;
    317	__le32 region_id;
    318	__le32 num_of_ranges;
    319	__le32 name_len;
    320	u8 name[IWL_FW_INI_MAX_NAME];
    321};
    322
    323/**
    324 * struct iwl_fw_ini_error_dump - ini region dump
    325 * @header: the header of this region
    326 * @data: data of memory ranges in this region,
    327 *	see &struct iwl_fw_ini_error_dump_range
    328 */
    329struct iwl_fw_ini_error_dump {
    330	struct iwl_fw_ini_error_dump_header header;
    331	u8 data[];
    332} __packed;
    333
    334/* This bit is used to differentiate between lmac and umac rxf */
    335#define IWL_RXF_UMAC_BIT BIT(31)
    336
    337/**
    338 * struct iwl_fw_ini_error_dump_register - ini register dump
    339 * @addr: address of the register
    340 * @data: data of the register
    341 */
    342struct iwl_fw_ini_error_dump_register {
    343	__le32 addr;
    344	__le32 data;
    345} __packed;
    346
    347/**
    348 * struct iwl_fw_ini_dump_cfg_name - configuration name
    349 * @image_type: image type the configuration is related to
    350 * @cfg_name_len: length of the configuration name
    351 * @cfg_name: name of the configuraiton
    352 */
    353struct iwl_fw_ini_dump_cfg_name {
    354	__le32 image_type;
    355	__le32 cfg_name_len;
    356	u8 cfg_name[IWL_FW_INI_MAX_CFG_NAME];
    357} __packed;
    358
    359/* AX210's HW type */
    360#define IWL_AX210_HW_TYPE 0x42
    361/* How many bits to roll when adding to the HW type of AX210 HW */
    362#define IWL_AX210_HW_TYPE_ADDITION_SHIFT 12
    363
    364/* struct iwl_fw_ini_dump_info - ini dump information
    365 * @version: dump version
    366 * @time_point: time point that caused the dump collection
    367 * @trigger_reason: reason of the trigger
    368 * @external_cfg_state: &enum iwl_ini_cfg_state
    369 * @ver_type: FW version type
    370 * @ver_subtype: FW version subype
    371 * @hw_step: HW step
    372 * @hw_type: HW type
    373 * @rf_id_flavor: HW RF id flavor
    374 * @rf_id_dash: HW RF id dash
    375 * @rf_id_step: HW RF id step
    376 * @rf_id_type: HW RF id type
    377 * @lmac_major: lmac major version
    378 * @lmac_minor: lmac minor version
    379 * @umac_major: umac major version
    380 * @umac_minor: umac minor version
    381 * @fw_mon_mode: FW monitor mode &enum iwl_fw_ini_buffer_location
    382 * @regions_mask: bitmap mask of regions ids in the dump
    383 * @build_tag_len: length of the build tag
    384 * @build_tag: build tag string
    385 * @num_of_cfg_names: number of configuration name structs
    386 * @cfg_names: configuration names
    387 */
    388struct iwl_fw_ini_dump_info {
    389	__le32 version;
    390	__le32 time_point;
    391	__le32 trigger_reason;
    392	__le32 external_cfg_state;
    393	__le32 ver_type;
    394	__le32 ver_subtype;
    395	__le32 hw_step;
    396	__le32 hw_type;
    397	__le32 rf_id_flavor;
    398	__le32 rf_id_dash;
    399	__le32 rf_id_step;
    400	__le32 rf_id_type;
    401	__le32 lmac_major;
    402	__le32 lmac_minor;
    403	__le32 umac_major;
    404	__le32 umac_minor;
    405	__le32 fw_mon_mode;
    406	__le64 regions_mask;
    407	__le32 build_tag_len;
    408	u8 build_tag[FW_VER_HUMAN_READABLE_SZ];
    409	__le32 num_of_cfg_names;
    410	struct iwl_fw_ini_dump_cfg_name cfg_names[];
    411} __packed;
    412
    413/**
    414 * struct iwl_fw_ini_err_table_dump - ini error table dump
    415 * @header: header of the region
    416 * @version: error table version
    417 * @data: data of memory ranges in this region,
    418 *	see &struct iwl_fw_ini_error_dump_range
    419 */
    420struct iwl_fw_ini_err_table_dump {
    421	struct iwl_fw_ini_error_dump_header header;
    422	__le32 version;
    423	u8 data[];
    424} __packed;
    425
    426/**
    427 * struct iwl_fw_error_dump_rb - content of an Receive Buffer
    428 * @index: the index of the Receive Buffer in the Rx queue
    429 * @rxq: the RB's Rx queue
    430 * @reserved:
    431 * @data: the content of the Receive Buffer
    432 */
    433struct iwl_fw_error_dump_rb {
    434	__le32 index;
    435	__le32 rxq;
    436	__le32 reserved;
    437	u8 data[];
    438};
    439
    440/**
    441 * struct iwl_fw_ini_monitor_dump - ini monitor dump
    442 * @header: header of the region
    443 * @write_ptr: write pointer position in the buffer
    444 * @cycle_cnt: cycles count
    445 * @cur_frag: current fragment in use
    446 * @data: data of memory ranges in this region,
    447 *	see &struct iwl_fw_ini_error_dump_range
    448 */
    449struct iwl_fw_ini_monitor_dump {
    450	struct iwl_fw_ini_error_dump_header header;
    451	__le32 write_ptr;
    452	__le32 cycle_cnt;
    453	__le32 cur_frag;
    454	u8 data[];
    455} __packed;
    456
    457/**
    458 * struct iwl_fw_ini_special_device_memory - special device memory
    459 * @header: header of the region
    460 * @type: type of special memory
    461 * @version: struct special memory version
    462 * @data: data of memory ranges in this region,
    463 *	see &struct iwl_fw_ini_error_dump_range
    464 */
    465struct iwl_fw_ini_special_device_memory {
    466	struct iwl_fw_ini_error_dump_header header;
    467	__le16 type;
    468	__le16 version;
    469	u8 data[];
    470} __packed;
    471
    472/**
    473 * struct iwl_fw_error_dump_paging - content of the UMAC's image page
    474 *	block on DRAM
    475 * @index: the index of the page block
    476 * @reserved:
    477 * @data: the content of the page block
    478 */
    479struct iwl_fw_error_dump_paging {
    480	__le32 index;
    481	__le32 reserved;
    482	u8 data[];
    483};
    484
    485/**
    486 * iwl_fw_error_next_data - advance fw error dump data pointer
    487 * @data: previous data block
    488 * Returns: next data block
    489 */
    490static inline struct iwl_fw_error_dump_data *
    491iwl_fw_error_next_data(struct iwl_fw_error_dump_data *data)
    492{
    493	return (void *)(data->data + le32_to_cpu(data->len));
    494}
    495
    496/**
    497 * enum iwl_fw_dbg_trigger - triggers available
    498 *
    499 * @FW_DBG_TRIGGER_USER: trigger log collection by user
    500 *	This should not be defined as a trigger to the driver, but a value the
    501 *	driver should set to indicate that the trigger was initiated by the
    502 *	user.
    503 * @FW_DBG_TRIGGER_FW_ASSERT: trigger log collection when the firmware asserts
    504 * @FW_DBG_TRIGGER_MISSED_BEACONS: trigger log collection when beacons are
    505 *	missed.
    506 * @FW_DBG_TRIGGER_CHANNEL_SWITCH: trigger log collection upon channel switch.
    507 * @FW_DBG_TRIGGER_FW_NOTIF: trigger log collection when the firmware sends a
    508 *	command response or a notification.
    509 * @FW_DBG_TRIGGER_MLME: trigger log collection upon MLME event.
    510 * @FW_DBG_TRIGGER_STATS: trigger log collection upon statistics threshold.
    511 * @FW_DBG_TRIGGER_RSSI: trigger log collection when the rssi of the beacon
    512 *	goes below a threshold.
    513 * @FW_DBG_TRIGGER_TXQ_TIMERS: configures the timers for the Tx queue hang
    514 *	detection.
    515 * @FW_DBG_TRIGGER_TIME_EVENT: trigger log collection upon time events related
    516 *	events.
    517 * @FW_DBG_TRIGGER_BA: trigger log collection upon BlockAck related events.
    518 * @FW_DBG_TX_LATENCY: trigger log collection when the tx latency goes above a
    519 *	threshold.
    520 * @FW_DBG_TDLS: trigger log collection upon TDLS related events.
    521 * @FW_DBG_TRIGGER_TX_STATUS: trigger log collection upon tx status when
    522 *  the firmware sends a tx reply.
    523 * @FW_DBG_TRIGGER_ALIVE_TIMEOUT: trigger log collection if alive flow timeouts
    524 * @FW_DBG_TRIGGER_DRIVER: trigger log collection upon a flow failure
    525 *	in the driver.
    526 */
    527enum iwl_fw_dbg_trigger {
    528	FW_DBG_TRIGGER_INVALID = 0,
    529	FW_DBG_TRIGGER_USER,
    530	FW_DBG_TRIGGER_FW_ASSERT,
    531	FW_DBG_TRIGGER_MISSED_BEACONS,
    532	FW_DBG_TRIGGER_CHANNEL_SWITCH,
    533	FW_DBG_TRIGGER_FW_NOTIF,
    534	FW_DBG_TRIGGER_MLME,
    535	FW_DBG_TRIGGER_STATS,
    536	FW_DBG_TRIGGER_RSSI,
    537	FW_DBG_TRIGGER_TXQ_TIMERS,
    538	FW_DBG_TRIGGER_TIME_EVENT,
    539	FW_DBG_TRIGGER_BA,
    540	FW_DBG_TRIGGER_TX_LATENCY,
    541	FW_DBG_TRIGGER_TDLS,
    542	FW_DBG_TRIGGER_TX_STATUS,
    543	FW_DBG_TRIGGER_ALIVE_TIMEOUT,
    544	FW_DBG_TRIGGER_DRIVER,
    545
    546	/* must be last */
    547	FW_DBG_TRIGGER_MAX,
    548};
    549
    550/**
    551 * struct iwl_fw_error_dump_trigger_desc - describes the trigger condition
    552 * @type: &enum iwl_fw_dbg_trigger
    553 * @data: raw data about what happened
    554 */
    555struct iwl_fw_error_dump_trigger_desc {
    556	__le32 type;
    557	u8 data[];
    558};
    559
    560#endif /* __fw_error_dump_h__ */