cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
Log | Files | Refs | README | LICENSE | sfeed.txt

img.c (2565B)

      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
      8u8 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}
     31EXPORT_SYMBOL_GPL(iwl_fw_lookup_cmd_ver);
     32
     33u8 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}
     53EXPORT_SYMBOL_GPL(iwl_fw_lookup_notif_ver);
     54
     55static 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
     82const 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}
     93EXPORT_SYMBOL_GPL(iwl_fw_lookup_assert_desc);