1 // SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
2 /*
3  * Copyright(c) 2019 - 2021 Intel Corporation
4  */
5 #include <fw/api/commands.h>
6 #include "img.h"
7 
8 u8 iwl_fw_lookup_cmd_ver(const struct iwl_fw *fw, u32 cmd_id, u8 def)
9 {
10 	const struct iwl_fw_cmd_version *entry;
11 	unsigned int i;
12 	/* prior to LONG_GROUP, we never used this CMD version API */
13 	u8 grp = iwl_cmd_groupid(cmd_id) ?: LONG_GROUP;
14 	u8 cmd = iwl_cmd_opcode(cmd_id);
15 
16 	if (!fw->ucode_capa.cmd_versions ||
17 	    !fw->ucode_capa.n_cmd_versions)
18 		return def;
19 
20 	entry = fw->ucode_capa.cmd_versions;
21 	for (i = 0; i < fw->ucode_capa.n_cmd_versions; i++, entry++) {
22 		if (entry->group == grp && entry->cmd == cmd) {
23 			if (entry->cmd_ver == IWL_FW_CMD_VER_UNKNOWN)
24 				return def;
25 			return entry->cmd_ver;
26 		}
27 	}
28 
29 	return def;
30 }
31 EXPORT_SYMBOL_GPL(iwl_fw_lookup_cmd_ver);
32 
33 u8 iwl_fw_lookup_notif_ver(const struct iwl_fw *fw, u8 grp, u8 cmd, u8 def)
34 {
35 	const struct iwl_fw_cmd_version *entry;
36 	unsigned int i;
37 
38 	if (!fw->ucode_capa.cmd_versions ||
39 	    !fw->ucode_capa.n_cmd_versions)
40 		return def;
41 
42 	entry = fw->ucode_capa.cmd_versions;
43 	for (i = 0; i < fw->ucode_capa.n_cmd_versions; i++, entry++) {
44 		if (entry->group == grp && entry->cmd == cmd) {
45 			if (entry->notif_ver == IWL_FW_CMD_VER_UNKNOWN)
46 				return def;
47 			return entry->notif_ver;
48 		}
49 	}
50 
51 	return def;
52 }
53 EXPORT_SYMBOL_GPL(iwl_fw_lookup_notif_ver);
54 
55 static const struct {
56 	const char *name;
57 	u32 num;
58 } advanced_lookup[] = {
59 	{ "NMI_INTERRUPT_WDG", 0x34 },
60 	{ "SYSASSERT", 0x35 },
61 	{ "UCODE_VERSION_MISMATCH", 0x37 },
62 	{ "BAD_COMMAND", 0x38 },
63 	{ "BAD_COMMAND", 0x39 },
64 	{ "NMI_INTERRUPT_DATA_ACTION_PT", 0x3C },
65 	{ "FATAL_ERROR", 0x3D },
66 	{ "NMI_TRM_HW_ERR", 0x46 },
67 	{ "NMI_INTERRUPT_TRM", 0x4C },
68 	{ "NMI_INTERRUPT_BREAK_POINT", 0x54 },
69 	{ "NMI_INTERRUPT_WDG_RXF_FULL", 0x5C },
70 	{ "NMI_INTERRUPT_WDG_NO_RBD_RXF_FULL", 0x64 },
71 	{ "NMI_INTERRUPT_HOST", 0x66 },
72 	{ "NMI_INTERRUPT_LMAC_FATAL", 0x70 },
73 	{ "NMI_INTERRUPT_UMAC_FATAL", 0x71 },
74 	{ "NMI_INTERRUPT_OTHER_LMAC_FATAL", 0x73 },
75 	{ "NMI_INTERRUPT_ACTION_PT", 0x7C },
76 	{ "NMI_INTERRUPT_UNKNOWN", 0x84 },
77 	{ "NMI_INTERRUPT_INST_ACTION_PT", 0x86 },
78 	{ "PNVM_MISSING", FW_SYSASSERT_PNVM_MISSING },
79 	{ "ADVANCED_SYSASSERT", 0 },
80 };
81 
82 const char *iwl_fw_lookup_assert_desc(u32 num)
83 {
84 	int i;
85 
86 	for (i = 0; i < ARRAY_SIZE(advanced_lookup) - 1; i++)
87 		if (advanced_lookup[i].num == (num & ~FW_SYSASSERT_CPU_MASK))
88 			return advanced_lookup[i].name;
89 
90 	/* No entry matches 'num', so it is the last: ADVANCED_SYSASSERT */
91 	return advanced_lookup[i].name;
92 }
93 EXPORT_SYMBOL_GPL(iwl_fw_lookup_assert_desc);
94