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9 * Copyright(c) 2014 Intel Mobile Communications GmbH
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63 *****************************************************************************/
65 #ifndef __fw_error_dump_h__
66 #define __fw_error_dump_h__
68 #include <linux/types.h>
70 #define IWL_FW_ERROR_DUMP_BARKER 0x14789632
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.
88 enum iwl_fw_error_dump_type {
90 IWL_FW_ERROR_DUMP_CSR = 1,
91 IWL_FW_ERROR_DUMP_RXF = 2,
92 IWL_FW_ERROR_DUMP_TXCMD = 3,
93 IWL_FW_ERROR_DUMP_DEV_FW_INFO = 4,
94 IWL_FW_ERROR_DUMP_FW_MONITOR = 5,
95 IWL_FW_ERROR_DUMP_PRPH = 6,
96 IWL_FW_ERROR_DUMP_TXF = 7,
97 IWL_FW_ERROR_DUMP_FH_REGS = 8,
98 IWL_FW_ERROR_DUMP_MEM = 9,
99 IWL_FW_ERROR_DUMP_ERROR_INFO = 10,
101 IWL_FW_ERROR_DUMP_MAX,
105 * struct iwl_fw_error_dump_data - data for one type
106 * @type: %enum iwl_fw_error_dump_type
107 * @len: the length starting from %data
108 * @data: the data itself
110 struct iwl_fw_error_dump_data {
117 * struct iwl_fw_error_dump_file - the layout of the header of the file
118 * @barker: must be %IWL_FW_ERROR_DUMP_BARKER
119 * @file_len: the length of all the file starting from %barker
120 * @data: array of %struct iwl_fw_error_dump_data
122 struct iwl_fw_error_dump_file {
129 * struct iwl_fw_error_dump_txcmd - TX command data
130 * @cmdlen: original length of command
131 * @caplen: captured length of command (may be less)
132 * @data: captured command data, @caplen bytes
134 struct iwl_fw_error_dump_txcmd {
141 * struct iwl_fw_error_dump_fifo - RX/TX FIFO data
142 * @fifo_num: number of FIFO (starting from 0)
143 * @available_bytes: num of bytes available in FIFO (may be less than FIFO size)
144 * @wr_ptr: position of write pointer
145 * @rd_ptr: position of read pointer
146 * @fence_ptr: position of fence pointer
147 * @fence_mode: the current mode of the fence (before locking) -
148 * 0=follow RD pointer ; 1 = freeze
149 * @data: all of the FIFO's data
151 struct iwl_fw_error_dump_fifo {
153 __le32 available_bytes;
161 enum iwl_fw_error_dump_family {
162 IWL_FW_ERROR_DUMP_FAMILY_7 = 7,
163 IWL_FW_ERROR_DUMP_FAMILY_8 = 8,
167 * struct iwl_fw_error_dump_info - info on the device / firmware
168 * @device_family: the family of the device (7 / 8)
169 * @hw_step: the step of the device
170 * @fw_human_readable: human readable FW version
171 * @dev_human_readable: name of the device
172 * @bus_human_readable: name of the bus used
174 struct iwl_fw_error_dump_info {
175 __le32 device_family;
177 u8 fw_human_readable[FW_VER_HUMAN_READABLE_SZ];
178 u8 dev_human_readable[64];
179 u8 bus_human_readable[8];
183 * struct iwl_fw_error_dump_fw_mon - FW monitor data
184 * @fw_mon_wr_ptr: the position of the write pointer in the cyclic buffer
185 * @fw_mon_base_ptr: base pointer of the data
186 * @fw_mon_cycle_cnt: number of wrap arounds
187 * @reserved: for future use
188 * @data: captured data
190 struct iwl_fw_error_dump_fw_mon {
191 __le32 fw_mon_wr_ptr;
192 __le32 fw_mon_base_ptr;
193 __le32 fw_mon_cycle_cnt;
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
203 struct iwl_fw_error_dump_prph {
208 enum iwl_fw_error_dump_mem_type {
209 IWL_FW_ERROR_DUMP_MEM_SRAM,
210 IWL_FW_ERROR_DUMP_MEM_SMEM,
214 * struct iwl_fw_error_dump_mem - chunk of memory
215 * @type: %enum iwl_fw_error_dump_mem_type
216 * @offset: the offset from which the memory was read
217 * @data: the content of the memory
219 struct iwl_fw_error_dump_mem {
226 * iwl_fw_error_next_data - advance fw error dump data pointer
227 * @data: previous data block
228 * Returns: next data block
230 static inline struct iwl_fw_error_dump_data *
231 iwl_fw_error_next_data(struct iwl_fw_error_dump_data *data)
233 return (void *)(data->data + le32_to_cpu(data->len));
237 * enum iwl_fw_dbg_trigger - triggers available
239 * @FW_DBG_TRIGGER_USER: trigger log collection by user
240 * This should not be defined as a trigger to the driver, but a value the
241 * driver should set to indicate that the trigger was initiated by the
243 * @FW_DBG_TRIGGER_FW_ASSERT: trigger log collection when the firmware asserts
245 enum iwl_fw_dbg_trigger {
246 FW_DBG_TRIGGER_INVALID = 0,
248 FW_DBG_TRIGGER_FW_ASSERT,
255 * struct iwl_fw_error_dump_trigger_desc - describes the trigger condition
256 * @type: %enum iwl_fw_dbg_trigger
257 * @data: raw data about what happened
259 struct iwl_fw_error_dump_trigger_desc {
264 #endif /* __fw_error_dump_h__ */