drivers/net/wireless/intel/iwlwifi/fw/img.c

   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);