iwlwifi/fw/img.c

0001 // SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
0002 /*
0003  * Copyright(c) 2019 - 2021 Intel Corporation
0004  */
0005 #include <fw/api/commands.h>
0006 #include "img.h"
0007
0008 u8 iwl_fw_lookup_cmd_ver(const struct iwl_fw *fw, u32 cmd_id, u8 def)
0009 {
0010     const struct iwl_fw_cmd_version *entry;
0011     unsigned int i;
0012     /* prior to LONG_GROUP, we never used this CMD version API */
0013     u8 grp = iwl_cmd_groupid(cmd_id) ?: LONG_GROUP;
0014     u8 cmd = iwl_cmd_opcode(cmd_id);
0015
0016     if (!fw->ucode_capa.cmd_versions ||
0017         !fw->ucode_capa.n_cmd_versions)
0018         return def;
0019
0020     entry = fw->ucode_capa.cmd_versions;
0021     for (i = 0; i < fw->ucode_capa.n_cmd_versions; i++, entry++) {
0022         if (entry->group == grp && entry->cmd == cmd) {
0023             if (entry->cmd_ver == IWL_FW_CMD_VER_UNKNOWN)
0024                 return def;
0025             return entry->cmd_ver;
0026         }
0027     }
0028
0029     return def;
0030 }
0031 EXPORT_SYMBOL_GPL(iwl_fw_lookup_cmd_ver);
0032
0033 u8 iwl_fw_lookup_notif_ver(const struct iwl_fw *fw, u8 grp, u8 cmd, u8 def)
0034 {
0035     const struct iwl_fw_cmd_version *entry;
0036     unsigned int i;
0037
0038     if (!fw->ucode_capa.cmd_versions ||
0039         !fw->ucode_capa.n_cmd_versions)
0040         return def;
0041
0042     entry = fw->ucode_capa.cmd_versions;
0043     for (i = 0; i < fw->ucode_capa.n_cmd_versions; i++, entry++) {
0044         if (entry->group == grp && entry->cmd == cmd) {
0045             if (entry->notif_ver == IWL_FW_CMD_VER_UNKNOWN)
0046                 return def;
0047             return entry->notif_ver;
0048         }
0049     }
0050
0051     return def;
0052 }
0053 EXPORT_SYMBOL_GPL(iwl_fw_lookup_notif_ver);
0054
0055 static const struct {
0056     const char *name;
0057     u32 num;
0058 } advanced_lookup[] = {
0059     { "NMI_INTERRUPT_WDG", 0x34 },
0060     { "SYSASSERT", 0x35 },
0061     { "UCODE_VERSION_MISMATCH", 0x37 },
0062     { "BAD_COMMAND", 0x38 },
0063     { "BAD_COMMAND", 0x39 },
0064     { "NMI_INTERRUPT_DATA_ACTION_PT", 0x3C },
0065     { "FATAL_ERROR", 0x3D },
0066     { "NMI_TRM_HW_ERR", 0x46 },
0067     { "NMI_INTERRUPT_TRM", 0x4C },
0068     { "NMI_INTERRUPT_BREAK_POINT", 0x54 },
0069     { "NMI_INTERRUPT_WDG_RXF_FULL", 0x5C },
0070     { "NMI_INTERRUPT_WDG_NO_RBD_RXF_FULL", 0x64 },
0071     { "NMI_INTERRUPT_HOST", 0x66 },
0072     { "NMI_INTERRUPT_LMAC_FATAL", 0x70 },
0073     { "NMI_INTERRUPT_UMAC_FATAL", 0x71 },
0074     { "NMI_INTERRUPT_OTHER_LMAC_FATAL", 0x73 },
0075     { "NMI_INTERRUPT_ACTION_PT", 0x7C },
0076     { "NMI_INTERRUPT_UNKNOWN", 0x84 },
0077     { "NMI_INTERRUPT_INST_ACTION_PT", 0x86 },
0078     { "PNVM_MISSING", FW_SYSASSERT_PNVM_MISSING },
0079     { "ADVANCED_SYSASSERT", 0 },
0080 };
0081
0082 const char *iwl_fw_lookup_assert_desc(u32 num)
0083 {
0084     int i;
0085
0086     for (i = 0; i < ARRAY_SIZE(advanced_lookup) - 1; i++)
0087         if (advanced_lookup[i].num == (num & ~FW_SYSASSERT_CPU_MASK))
0088             return advanced_lookup[i].name;
0089
0090     /* No entry matches 'num', so it is the last: ADVANCED_SYSASSERT */
0091     return advanced_lookup[i].name;
0092 }
0093 EXPORT_SYMBOL_GPL(iwl_fw_lookup_assert_desc);