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

   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);