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
iwl_fw_lookup_cmd_ver(const struct iwl_fw * fw,u8 grp,u8 cmd,u8 def)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
iwl_fw_lookup_notif_ver(const struct iwl_fw * fw,u8 grp,u8 cmd,u8 def)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
iwl_fw_lookup_assert_desc(u32 num)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