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.
5  *
6  * GPL LICENSE SUMMARY
7  *
8  * Copyright(c) 2019 - 2020 Intel Corporation
9  *
10  * This program is free software; you can redistribute it and/or modify
11  * it under the terms of version 2 of the GNU General Public License as
12  * published by the Free Software Foundation.
13  *
14  * This program is distributed in the hope that it will be useful, but
15  * WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
17  * General Public License for more details.
18  *
19  * The full GNU General Public License is included in this distribution
20  * in the file called COPYING.
21  *
22  * Contact Information:
23  *  Intel Linux Wireless <linuxwifi@intel.com>
24  * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
25  *
26  * BSD LICENSE
27  *
28  * Copyright(c) 2019 - 2020 Intel Corporation
29  * All rights reserved.
30  *
31  * Redistribution and use in source and binary forms, with or without
32  * modification, are permitted provided that the following conditions
33  * are met:
34  *
35  *  * Redistributions of source code must retain the above copyright
36  *    notice, this list of conditions and the following disclaimer.
37  *  * Redistributions in binary form must reproduce the above copyright
38  *    notice, this list of conditions and the following disclaimer in
39  *    the documentation and/or other materials provided with the
40  *    distribution.
41  *  * Neither the name Intel Corporation nor the names of its
42  *    contributors may be used to endorse or promote products derived
43  *    from this software without specific prior written permission.
44  *
45  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
46  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
47  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
48  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
49  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
50  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
51  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
52  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
53  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
54  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
55  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
56  *****************************************************************************/
57 
58 #include "img.h"
59 
60 u8 iwl_fw_lookup_cmd_ver(const struct iwl_fw *fw, u8 grp, u8 cmd, u8 def)
61 {
62 	const struct iwl_fw_cmd_version *entry;
63 	unsigned int i;
64 
65 	if (!fw->ucode_capa.cmd_versions ||
66 	    !fw->ucode_capa.n_cmd_versions)
67 		return def;
68 
69 	entry = fw->ucode_capa.cmd_versions;
70 	for (i = 0; i < fw->ucode_capa.n_cmd_versions; i++, entry++) {
71 		if (entry->group == grp && entry->cmd == cmd) {
72 			if (entry->cmd_ver == IWL_FW_CMD_VER_UNKNOWN)
73 				return def;
74 			return entry->cmd_ver;
75 		}
76 	}
77 
78 	return def;
79 }
80 EXPORT_SYMBOL_GPL(iwl_fw_lookup_cmd_ver);
81 
82 u8 iwl_fw_lookup_notif_ver(const struct iwl_fw *fw, u8 grp, u8 cmd, u8 def)
83 {
84 	const struct iwl_fw_cmd_version *entry;
85 	unsigned int i;
86 
87 	if (!fw->ucode_capa.cmd_versions ||
88 	    !fw->ucode_capa.n_cmd_versions)
89 		return def;
90 
91 	entry = fw->ucode_capa.cmd_versions;
92 	for (i = 0; i < fw->ucode_capa.n_cmd_versions; i++, entry++) {
93 		if (entry->group == grp && entry->cmd == cmd) {
94 			if (entry->notif_ver == IWL_FW_CMD_VER_UNKNOWN)
95 				return def;
96 			return entry->notif_ver;
97 		}
98 	}
99 
100 	return def;
101 }
102 EXPORT_SYMBOL_GPL(iwl_fw_lookup_notif_ver);
103 
104 #define FW_SYSASSERT_CPU_MASK 0xf0000000
105 static const struct {
106 	const char *name;
107 	u8 num;
108 } advanced_lookup[] = {
109 	{ "NMI_INTERRUPT_WDG", 0x34 },
110 	{ "SYSASSERT", 0x35 },
111 	{ "UCODE_VERSION_MISMATCH", 0x37 },
112 	{ "BAD_COMMAND", 0x38 },
113 	{ "BAD_COMMAND", 0x39 },
114 	{ "NMI_INTERRUPT_DATA_ACTION_PT", 0x3C },
115 	{ "FATAL_ERROR", 0x3D },
116 	{ "NMI_TRM_HW_ERR", 0x46 },
117 	{ "NMI_INTERRUPT_TRM", 0x4C },
118 	{ "NMI_INTERRUPT_BREAK_POINT", 0x54 },
119 	{ "NMI_INTERRUPT_WDG_RXF_FULL", 0x5C },
120 	{ "NMI_INTERRUPT_WDG_NO_RBD_RXF_FULL", 0x64 },
121 	{ "NMI_INTERRUPT_HOST", 0x66 },
122 	{ "NMI_INTERRUPT_LMAC_FATAL", 0x70 },
123 	{ "NMI_INTERRUPT_UMAC_FATAL", 0x71 },
124 	{ "NMI_INTERRUPT_OTHER_LMAC_FATAL", 0x73 },
125 	{ "NMI_INTERRUPT_ACTION_PT", 0x7C },
126 	{ "NMI_INTERRUPT_UNKNOWN", 0x84 },
127 	{ "NMI_INTERRUPT_INST_ACTION_PT", 0x86 },
128 	{ "ADVANCED_SYSASSERT", 0 },
129 };
130 
131 const char *iwl_fw_lookup_assert_desc(u32 num)
132 {
133 	int i;
134 
135 	for (i = 0; i < ARRAY_SIZE(advanced_lookup) - 1; i++)
136 		if (advanced_lookup[i].num == (num & ~FW_SYSASSERT_CPU_MASK))
137 			return advanced_lookup[i].name;
138 
139 	/* No entry matches 'num', so it is the last: ADVANCED_SYSASSERT */
140 	return advanced_lookup[i].name;
141 }
142 EXPORT_SYMBOL_GPL(iwl_fw_lookup_assert_desc);
143