summaryrefslogtreecommitdiffstats
path: root/drivers/net/wireless/iwlwifi/iwl-fw-error-dump.h
blob: e30a41d04c8b3ac1af8878ab1d72fc02419aa80a (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
/******************************************************************************
 *
 * 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 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.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
 * USA
 *
 * The full GNU General Public License is included in this distribution
 * in the file called COPYING.
 *
 * Contact Information:
 *  Intel Linux Wireless <ilw@linux.intel.com>
 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
 *
 * BSD LICENSE
 *
 * Copyright(c) 2014 Intel Corporation. All rights reserved.
 * Copyright(c) 2014 Intel Mobile Communications GmbH
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 *  * Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *  * Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 *  * Neither the name Intel Corporation nor the names of its
 *    contributors may be used to endorse or promote products derived
 *    from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *****************************************************************************/

#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_SRAM:
 * @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.
 */
enum iwl_fw_error_dump_type {
	IWL_FW_ERROR_DUMP_SRAM = 0,
	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_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;

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 wrap arounds
 * @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[];
};

/**
 * 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));
}

#endif /* __fw_error_dump_h__ */