1384 lines
38 KiB
C
1384 lines
38 KiB
C
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// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
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/*
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* Copyright (C) 2018-2022 Intel Corporation
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*/
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#include <linux/firmware.h>
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#include "iwl-drv.h"
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#include "iwl-trans.h"
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#include "iwl-dbg-tlv.h"
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#include "fw/dbg.h"
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#include "fw/runtime.h"
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/**
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* enum iwl_dbg_tlv_type - debug TLV types
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* @IWL_DBG_TLV_TYPE_DEBUG_INFO: debug info TLV
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* @IWL_DBG_TLV_TYPE_BUF_ALLOC: buffer allocation TLV
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* @IWL_DBG_TLV_TYPE_HCMD: host command TLV
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* @IWL_DBG_TLV_TYPE_REGION: region TLV
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* @IWL_DBG_TLV_TYPE_TRIGGER: trigger TLV
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* @IWL_DBG_TLV_TYPE_CONF_SET: conf set TLV
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* @IWL_DBG_TLV_TYPE_NUM: number of debug TLVs
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*/
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enum iwl_dbg_tlv_type {
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IWL_DBG_TLV_TYPE_DEBUG_INFO =
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IWL_UCODE_TLV_TYPE_DEBUG_INFO - IWL_UCODE_TLV_DEBUG_BASE,
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IWL_DBG_TLV_TYPE_BUF_ALLOC,
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IWL_DBG_TLV_TYPE_HCMD,
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IWL_DBG_TLV_TYPE_REGION,
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IWL_DBG_TLV_TYPE_TRIGGER,
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IWL_DBG_TLV_TYPE_CONF_SET,
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IWL_DBG_TLV_TYPE_NUM,
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};
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/**
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* struct iwl_dbg_tlv_ver_data - debug TLV version struct
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* @min_ver: min version supported
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* @max_ver: max version supported
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*/
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struct iwl_dbg_tlv_ver_data {
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int min_ver;
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int max_ver;
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};
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/**
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* struct iwl_dbg_tlv_timer_node - timer node struct
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* @list: list of &struct iwl_dbg_tlv_timer_node
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* @timer: timer
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* @fwrt: &struct iwl_fw_runtime
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* @tlv: TLV attach to the timer node
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*/
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struct iwl_dbg_tlv_timer_node {
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struct list_head list;
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struct timer_list timer;
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struct iwl_fw_runtime *fwrt;
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struct iwl_ucode_tlv *tlv;
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};
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static const struct iwl_dbg_tlv_ver_data
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dbg_ver_table[IWL_DBG_TLV_TYPE_NUM] = {
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[IWL_DBG_TLV_TYPE_DEBUG_INFO] = {.min_ver = 1, .max_ver = 1,},
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[IWL_DBG_TLV_TYPE_BUF_ALLOC] = {.min_ver = 1, .max_ver = 1,},
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[IWL_DBG_TLV_TYPE_HCMD] = {.min_ver = 1, .max_ver = 1,},
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[IWL_DBG_TLV_TYPE_REGION] = {.min_ver = 1, .max_ver = 3,},
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[IWL_DBG_TLV_TYPE_TRIGGER] = {.min_ver = 1, .max_ver = 1,},
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[IWL_DBG_TLV_TYPE_CONF_SET] = {.min_ver = 1, .max_ver = 1,},
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};
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static int iwl_dbg_tlv_add(const struct iwl_ucode_tlv *tlv,
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struct list_head *list)
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{
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u32 len = le32_to_cpu(tlv->length);
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struct iwl_dbg_tlv_node *node;
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node = kzalloc(sizeof(*node) + len, GFP_KERNEL);
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if (!node)
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return -ENOMEM;
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memcpy(&node->tlv, tlv, sizeof(node->tlv));
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memcpy(node->tlv.data, tlv->data, len);
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list_add_tail(&node->list, list);
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return 0;
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}
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static bool iwl_dbg_tlv_ver_support(const struct iwl_ucode_tlv *tlv)
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{
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const struct iwl_fw_ini_header *hdr = (const void *)&tlv->data[0];
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u32 type = le32_to_cpu(tlv->type);
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u32 tlv_idx = type - IWL_UCODE_TLV_DEBUG_BASE;
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u32 ver = le32_to_cpu(hdr->version);
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if (ver < dbg_ver_table[tlv_idx].min_ver ||
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ver > dbg_ver_table[tlv_idx].max_ver)
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return false;
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return true;
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}
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static int iwl_dbg_tlv_alloc_debug_info(struct iwl_trans *trans,
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const struct iwl_ucode_tlv *tlv)
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{
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const struct iwl_fw_ini_debug_info_tlv *debug_info = (const void *)tlv->data;
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if (le32_to_cpu(tlv->length) != sizeof(*debug_info))
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return -EINVAL;
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IWL_DEBUG_FW(trans, "WRT: Loading debug cfg: %s\n",
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debug_info->debug_cfg_name);
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return iwl_dbg_tlv_add(tlv, &trans->dbg.debug_info_tlv_list);
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}
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static int iwl_dbg_tlv_alloc_buf_alloc(struct iwl_trans *trans,
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const struct iwl_ucode_tlv *tlv)
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{
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const struct iwl_fw_ini_allocation_tlv *alloc = (const void *)tlv->data;
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u32 buf_location;
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u32 alloc_id;
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if (le32_to_cpu(tlv->length) != sizeof(*alloc))
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return -EINVAL;
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buf_location = le32_to_cpu(alloc->buf_location);
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alloc_id = le32_to_cpu(alloc->alloc_id);
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if (buf_location == IWL_FW_INI_LOCATION_INVALID ||
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buf_location >= IWL_FW_INI_LOCATION_NUM)
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goto err;
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if (alloc_id == IWL_FW_INI_ALLOCATION_INVALID ||
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alloc_id >= IWL_FW_INI_ALLOCATION_NUM)
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goto err;
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if (buf_location == IWL_FW_INI_LOCATION_NPK_PATH &&
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alloc_id != IWL_FW_INI_ALLOCATION_ID_DBGC1)
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goto err;
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if (buf_location == IWL_FW_INI_LOCATION_SRAM_PATH &&
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alloc_id != IWL_FW_INI_ALLOCATION_ID_DBGC1)
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goto err;
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trans->dbg.fw_mon_cfg[alloc_id] = *alloc;
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return 0;
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err:
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IWL_ERR(trans,
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"WRT: Invalid allocation id %u and/or location id %u for allocation TLV\n",
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alloc_id, buf_location);
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return -EINVAL;
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}
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static int iwl_dbg_tlv_alloc_hcmd(struct iwl_trans *trans,
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const struct iwl_ucode_tlv *tlv)
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{
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const struct iwl_fw_ini_hcmd_tlv *hcmd = (const void *)tlv->data;
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u32 tp = le32_to_cpu(hcmd->time_point);
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if (le32_to_cpu(tlv->length) <= sizeof(*hcmd))
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return -EINVAL;
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/* Host commands can not be sent in early time point since the FW
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* is not ready
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*/
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if (tp == IWL_FW_INI_TIME_POINT_INVALID ||
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tp >= IWL_FW_INI_TIME_POINT_NUM ||
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tp == IWL_FW_INI_TIME_POINT_EARLY) {
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IWL_ERR(trans,
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"WRT: Invalid time point %u for host command TLV\n",
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tp);
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return -EINVAL;
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}
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return iwl_dbg_tlv_add(tlv, &trans->dbg.time_point[tp].hcmd_list);
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}
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static int iwl_dbg_tlv_alloc_region(struct iwl_trans *trans,
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const struct iwl_ucode_tlv *tlv)
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{
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const struct iwl_fw_ini_region_tlv *reg = (const void *)tlv->data;
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struct iwl_ucode_tlv **active_reg;
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u32 id = le32_to_cpu(reg->id);
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u8 type = reg->type;
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u32 tlv_len = sizeof(*tlv) + le32_to_cpu(tlv->length);
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/*
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* The higher part of the ID from version 2 is debug policy.
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* The id will be only lsb 16 bits, so mask it out.
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*/
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if (le32_to_cpu(reg->hdr.version) >= 2)
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id &= IWL_FW_INI_REGION_ID_MASK;
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if (le32_to_cpu(tlv->length) < sizeof(*reg))
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return -EINVAL;
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/* for safe use of a string from FW, limit it to IWL_FW_INI_MAX_NAME */
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IWL_DEBUG_FW(trans, "WRT: parsing region: %.*s\n",
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IWL_FW_INI_MAX_NAME, reg->name);
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if (id >= IWL_FW_INI_MAX_REGION_ID) {
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IWL_ERR(trans, "WRT: Invalid region id %u\n", id);
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return -EINVAL;
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}
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if (type <= IWL_FW_INI_REGION_INVALID ||
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type >= IWL_FW_INI_REGION_NUM) {
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IWL_ERR(trans, "WRT: Invalid region type %u\n", type);
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return -EINVAL;
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}
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if (type == IWL_FW_INI_REGION_PCI_IOSF_CONFIG &&
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!trans->ops->read_config32) {
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IWL_ERR(trans, "WRT: Unsupported region type %u\n", type);
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return -EOPNOTSUPP;
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}
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if (type == IWL_FW_INI_REGION_INTERNAL_BUFFER) {
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trans->dbg.imr_data.sram_addr =
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le32_to_cpu(reg->internal_buffer.base_addr);
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trans->dbg.imr_data.sram_size =
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le32_to_cpu(reg->internal_buffer.size);
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}
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active_reg = &trans->dbg.active_regions[id];
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if (*active_reg) {
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IWL_WARN(trans, "WRT: Overriding region id %u\n", id);
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kfree(*active_reg);
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}
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*active_reg = kmemdup(tlv, tlv_len, GFP_KERNEL);
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if (!*active_reg)
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return -ENOMEM;
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IWL_DEBUG_FW(trans, "WRT: Enabling region id %u type %u\n", id, type);
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return 0;
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}
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static int iwl_dbg_tlv_alloc_trigger(struct iwl_trans *trans,
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const struct iwl_ucode_tlv *tlv)
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{
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const struct iwl_fw_ini_trigger_tlv *trig = (const void *)tlv->data;
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||
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struct iwl_fw_ini_trigger_tlv *dup_trig;
|
||
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u32 tp = le32_to_cpu(trig->time_point);
|
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u32 rf = le32_to_cpu(trig->reset_fw);
|
||
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struct iwl_ucode_tlv *dup = NULL;
|
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int ret;
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||
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|
||
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if (le32_to_cpu(tlv->length) < sizeof(*trig))
|
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return -EINVAL;
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if (tp <= IWL_FW_INI_TIME_POINT_INVALID ||
|
||
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tp >= IWL_FW_INI_TIME_POINT_NUM) {
|
||
|
IWL_ERR(trans,
|
||
|
"WRT: Invalid time point %u for trigger TLV\n",
|
||
|
tp);
|
||
|
return -EINVAL;
|
||
|
}
|
||
|
|
||
|
IWL_DEBUG_FW(trans,
|
||
|
"WRT: time point %u for trigger TLV with reset_fw %u\n",
|
||
|
tp, rf);
|
||
|
trans->dbg.last_tp_resetfw = 0xFF;
|
||
|
if (!le32_to_cpu(trig->occurrences)) {
|
||
|
dup = kmemdup(tlv, sizeof(*tlv) + le32_to_cpu(tlv->length),
|
||
|
GFP_KERNEL);
|
||
|
if (!dup)
|
||
|
return -ENOMEM;
|
||
|
dup_trig = (void *)dup->data;
|
||
|
dup_trig->occurrences = cpu_to_le32(-1);
|
||
|
tlv = dup;
|
||
|
}
|
||
|
|
||
|
ret = iwl_dbg_tlv_add(tlv, &trans->dbg.time_point[tp].trig_list);
|
||
|
kfree(dup);
|
||
|
|
||
|
return ret;
|
||
|
}
|
||
|
|
||
|
static int iwl_dbg_tlv_config_set(struct iwl_trans *trans,
|
||
|
const struct iwl_ucode_tlv *tlv)
|
||
|
{
|
||
|
const struct iwl_fw_ini_conf_set_tlv *conf_set = (const void *)tlv->data;
|
||
|
u32 tp = le32_to_cpu(conf_set->time_point);
|
||
|
u32 type = le32_to_cpu(conf_set->set_type);
|
||
|
|
||
|
if (tp <= IWL_FW_INI_TIME_POINT_INVALID ||
|
||
|
tp >= IWL_FW_INI_TIME_POINT_NUM) {
|
||
|
IWL_DEBUG_FW(trans,
|
||
|
"WRT: Invalid time point %u for config set TLV\n", tp);
|
||
|
return -EINVAL;
|
||
|
}
|
||
|
|
||
|
if (type <= IWL_FW_INI_CONFIG_SET_TYPE_INVALID ||
|
||
|
type >= IWL_FW_INI_CONFIG_SET_TYPE_MAX_NUM) {
|
||
|
IWL_DEBUG_FW(trans,
|
||
|
"WRT: Invalid config set type %u for config set TLV\n", type);
|
||
|
return -EINVAL;
|
||
|
}
|
||
|
|
||
|
return iwl_dbg_tlv_add(tlv, &trans->dbg.time_point[tp].config_list);
|
||
|
}
|
||
|
|
||
|
static int (*dbg_tlv_alloc[])(struct iwl_trans *trans,
|
||
|
const struct iwl_ucode_tlv *tlv) = {
|
||
|
[IWL_DBG_TLV_TYPE_DEBUG_INFO] = iwl_dbg_tlv_alloc_debug_info,
|
||
|
[IWL_DBG_TLV_TYPE_BUF_ALLOC] = iwl_dbg_tlv_alloc_buf_alloc,
|
||
|
[IWL_DBG_TLV_TYPE_HCMD] = iwl_dbg_tlv_alloc_hcmd,
|
||
|
[IWL_DBG_TLV_TYPE_REGION] = iwl_dbg_tlv_alloc_region,
|
||
|
[IWL_DBG_TLV_TYPE_TRIGGER] = iwl_dbg_tlv_alloc_trigger,
|
||
|
[IWL_DBG_TLV_TYPE_CONF_SET] = iwl_dbg_tlv_config_set,
|
||
|
};
|
||
|
|
||
|
void iwl_dbg_tlv_alloc(struct iwl_trans *trans, const struct iwl_ucode_tlv *tlv,
|
||
|
bool ext)
|
||
|
{
|
||
|
enum iwl_ini_cfg_state *cfg_state = ext ?
|
||
|
&trans->dbg.external_ini_cfg : &trans->dbg.internal_ini_cfg;
|
||
|
const struct iwl_fw_ini_header *hdr = (const void *)&tlv->data[0];
|
||
|
u32 type;
|
||
|
u32 tlv_idx;
|
||
|
u32 domain;
|
||
|
int ret;
|
||
|
|
||
|
if (le32_to_cpu(tlv->length) < sizeof(*hdr))
|
||
|
return;
|
||
|
|
||
|
type = le32_to_cpu(tlv->type);
|
||
|
tlv_idx = type - IWL_UCODE_TLV_DEBUG_BASE;
|
||
|
domain = le32_to_cpu(hdr->domain);
|
||
|
|
||
|
if (domain != IWL_FW_INI_DOMAIN_ALWAYS_ON &&
|
||
|
!(domain & trans->dbg.domains_bitmap)) {
|
||
|
IWL_DEBUG_FW(trans,
|
||
|
"WRT: Skipping TLV with disabled domain 0x%0x (0x%0x)\n",
|
||
|
domain, trans->dbg.domains_bitmap);
|
||
|
return;
|
||
|
}
|
||
|
|
||
|
if (tlv_idx >= ARRAY_SIZE(dbg_tlv_alloc) || !dbg_tlv_alloc[tlv_idx]) {
|
||
|
IWL_ERR(trans, "WRT: Unsupported TLV type 0x%x\n", type);
|
||
|
goto out_err;
|
||
|
}
|
||
|
|
||
|
if (!iwl_dbg_tlv_ver_support(tlv)) {
|
||
|
IWL_ERR(trans, "WRT: Unsupported TLV 0x%x version %u\n", type,
|
||
|
le32_to_cpu(hdr->version));
|
||
|
goto out_err;
|
||
|
}
|
||
|
|
||
|
ret = dbg_tlv_alloc[tlv_idx](trans, tlv);
|
||
|
if (ret) {
|
||
|
IWL_ERR(trans,
|
||
|
"WRT: Failed to allocate TLV 0x%x, ret %d, (ext=%d)\n",
|
||
|
type, ret, ext);
|
||
|
goto out_err;
|
||
|
}
|
||
|
|
||
|
if (*cfg_state == IWL_INI_CFG_STATE_NOT_LOADED)
|
||
|
*cfg_state = IWL_INI_CFG_STATE_LOADED;
|
||
|
|
||
|
return;
|
||
|
|
||
|
out_err:
|
||
|
*cfg_state = IWL_INI_CFG_STATE_CORRUPTED;
|
||
|
}
|
||
|
|
||
|
void iwl_dbg_tlv_del_timers(struct iwl_trans *trans)
|
||
|
{
|
||
|
struct list_head *timer_list = &trans->dbg.periodic_trig_list;
|
||
|
struct iwl_dbg_tlv_timer_node *node, *tmp;
|
||
|
|
||
|
list_for_each_entry_safe(node, tmp, timer_list, list) {
|
||
|
del_timer_sync(&node->timer);
|
||
|
list_del(&node->list);
|
||
|
kfree(node);
|
||
|
}
|
||
|
}
|
||
|
IWL_EXPORT_SYMBOL(iwl_dbg_tlv_del_timers);
|
||
|
|
||
|
static void iwl_dbg_tlv_fragments_free(struct iwl_trans *trans,
|
||
|
enum iwl_fw_ini_allocation_id alloc_id)
|
||
|
{
|
||
|
struct iwl_fw_mon *fw_mon;
|
||
|
int i;
|
||
|
|
||
|
if (alloc_id <= IWL_FW_INI_ALLOCATION_INVALID ||
|
||
|
alloc_id >= IWL_FW_INI_ALLOCATION_NUM)
|
||
|
return;
|
||
|
|
||
|
fw_mon = &trans->dbg.fw_mon_ini[alloc_id];
|
||
|
|
||
|
for (i = 0; i < fw_mon->num_frags; i++) {
|
||
|
struct iwl_dram_data *frag = &fw_mon->frags[i];
|
||
|
|
||
|
dma_free_coherent(trans->dev, frag->size, frag->block,
|
||
|
frag->physical);
|
||
|
|
||
|
frag->physical = 0;
|
||
|
frag->block = NULL;
|
||
|
frag->size = 0;
|
||
|
}
|
||
|
|
||
|
kfree(fw_mon->frags);
|
||
|
fw_mon->frags = NULL;
|
||
|
fw_mon->num_frags = 0;
|
||
|
}
|
||
|
|
||
|
void iwl_dbg_tlv_free(struct iwl_trans *trans)
|
||
|
{
|
||
|
struct iwl_dbg_tlv_node *tlv_node, *tlv_node_tmp;
|
||
|
int i;
|
||
|
|
||
|
iwl_dbg_tlv_del_timers(trans);
|
||
|
|
||
|
for (i = 0; i < ARRAY_SIZE(trans->dbg.active_regions); i++) {
|
||
|
struct iwl_ucode_tlv **active_reg =
|
||
|
&trans->dbg.active_regions[i];
|
||
|
|
||
|
kfree(*active_reg);
|
||
|
*active_reg = NULL;
|
||
|
}
|
||
|
|
||
|
list_for_each_entry_safe(tlv_node, tlv_node_tmp,
|
||
|
&trans->dbg.debug_info_tlv_list, list) {
|
||
|
list_del(&tlv_node->list);
|
||
|
kfree(tlv_node);
|
||
|
}
|
||
|
|
||
|
for (i = 0; i < ARRAY_SIZE(trans->dbg.time_point); i++) {
|
||
|
struct iwl_dbg_tlv_time_point_data *tp =
|
||
|
&trans->dbg.time_point[i];
|
||
|
|
||
|
list_for_each_entry_safe(tlv_node, tlv_node_tmp, &tp->trig_list,
|
||
|
list) {
|
||
|
list_del(&tlv_node->list);
|
||
|
kfree(tlv_node);
|
||
|
}
|
||
|
|
||
|
list_for_each_entry_safe(tlv_node, tlv_node_tmp, &tp->hcmd_list,
|
||
|
list) {
|
||
|
list_del(&tlv_node->list);
|
||
|
kfree(tlv_node);
|
||
|
}
|
||
|
|
||
|
list_for_each_entry_safe(tlv_node, tlv_node_tmp,
|
||
|
&tp->active_trig_list, list) {
|
||
|
list_del(&tlv_node->list);
|
||
|
kfree(tlv_node);
|
||
|
}
|
||
|
|
||
|
list_for_each_entry_safe(tlv_node, tlv_node_tmp,
|
||
|
&tp->config_list, list) {
|
||
|
list_del(&tlv_node->list);
|
||
|
kfree(tlv_node);
|
||
|
}
|
||
|
|
||
|
}
|
||
|
|
||
|
for (i = 0; i < ARRAY_SIZE(trans->dbg.fw_mon_ini); i++)
|
||
|
iwl_dbg_tlv_fragments_free(trans, i);
|
||
|
}
|
||
|
|
||
|
static int iwl_dbg_tlv_parse_bin(struct iwl_trans *trans, const u8 *data,
|
||
|
size_t len)
|
||
|
{
|
||
|
const struct iwl_ucode_tlv *tlv;
|
||
|
u32 tlv_len;
|
||
|
|
||
|
while (len >= sizeof(*tlv)) {
|
||
|
len -= sizeof(*tlv);
|
||
|
tlv = (const void *)data;
|
||
|
|
||
|
tlv_len = le32_to_cpu(tlv->length);
|
||
|
|
||
|
if (len < tlv_len) {
|
||
|
IWL_ERR(trans, "invalid TLV len: %zd/%u\n",
|
||
|
len, tlv_len);
|
||
|
return -EINVAL;
|
||
|
}
|
||
|
len -= ALIGN(tlv_len, 4);
|
||
|
data += sizeof(*tlv) + ALIGN(tlv_len, 4);
|
||
|
|
||
|
iwl_dbg_tlv_alloc(trans, tlv, true);
|
||
|
}
|
||
|
|
||
|
return 0;
|
||
|
}
|
||
|
|
||
|
void iwl_dbg_tlv_load_bin(struct device *dev, struct iwl_trans *trans)
|
||
|
{
|
||
|
const struct firmware *fw;
|
||
|
const char *yoyo_bin = "iwl-debug-yoyo.bin";
|
||
|
int res;
|
||
|
|
||
|
if (!iwlwifi_mod_params.enable_ini ||
|
||
|
trans->trans_cfg->device_family <= IWL_DEVICE_FAMILY_8000)
|
||
|
return;
|
||
|
|
||
|
res = firmware_request_nowarn(&fw, yoyo_bin, dev);
|
||
|
IWL_DEBUG_FW(trans, "%s %s\n", res ? "didn't load" : "loaded", yoyo_bin);
|
||
|
|
||
|
if (res)
|
||
|
return;
|
||
|
|
||
|
iwl_dbg_tlv_parse_bin(trans, fw->data, fw->size);
|
||
|
|
||
|
release_firmware(fw);
|
||
|
}
|
||
|
|
||
|
void iwl_dbg_tlv_init(struct iwl_trans *trans)
|
||
|
{
|
||
|
int i;
|
||
|
|
||
|
INIT_LIST_HEAD(&trans->dbg.debug_info_tlv_list);
|
||
|
INIT_LIST_HEAD(&trans->dbg.periodic_trig_list);
|
||
|
|
||
|
for (i = 0; i < ARRAY_SIZE(trans->dbg.time_point); i++) {
|
||
|
struct iwl_dbg_tlv_time_point_data *tp =
|
||
|
&trans->dbg.time_point[i];
|
||
|
|
||
|
INIT_LIST_HEAD(&tp->trig_list);
|
||
|
INIT_LIST_HEAD(&tp->hcmd_list);
|
||
|
INIT_LIST_HEAD(&tp->active_trig_list);
|
||
|
INIT_LIST_HEAD(&tp->config_list);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
static int iwl_dbg_tlv_alloc_fragment(struct iwl_fw_runtime *fwrt,
|
||
|
struct iwl_dram_data *frag, u32 pages)
|
||
|
{
|
||
|
void *block = NULL;
|
||
|
dma_addr_t physical;
|
||
|
|
||
|
if (!frag || frag->size || !pages)
|
||
|
return -EIO;
|
||
|
|
||
|
/*
|
||
|
* We try to allocate as many pages as we can, starting with
|
||
|
* the requested amount and going down until we can allocate
|
||
|
* something. Because of DIV_ROUND_UP(), pages will never go
|
||
|
* down to 0 and stop the loop, so stop when pages reaches 1,
|
||
|
* which is too small anyway.
|
||
|
*/
|
||
|
while (pages > 1) {
|
||
|
block = dma_alloc_coherent(fwrt->dev, pages * PAGE_SIZE,
|
||
|
&physical,
|
||
|
GFP_KERNEL | __GFP_NOWARN);
|
||
|
if (block)
|
||
|
break;
|
||
|
|
||
|
IWL_WARN(fwrt, "WRT: Failed to allocate fragment size %lu\n",
|
||
|
pages * PAGE_SIZE);
|
||
|
|
||
|
pages = DIV_ROUND_UP(pages, 2);
|
||
|
}
|
||
|
|
||
|
if (!block)
|
||
|
return -ENOMEM;
|
||
|
|
||
|
frag->physical = physical;
|
||
|
frag->block = block;
|
||
|
frag->size = pages * PAGE_SIZE;
|
||
|
|
||
|
return pages;
|
||
|
}
|
||
|
|
||
|
static int iwl_dbg_tlv_alloc_fragments(struct iwl_fw_runtime *fwrt,
|
||
|
enum iwl_fw_ini_allocation_id alloc_id)
|
||
|
{
|
||
|
struct iwl_fw_mon *fw_mon;
|
||
|
struct iwl_fw_ini_allocation_tlv *fw_mon_cfg;
|
||
|
u32 num_frags, remain_pages, frag_pages;
|
||
|
int i;
|
||
|
|
||
|
if (alloc_id < IWL_FW_INI_ALLOCATION_INVALID ||
|
||
|
alloc_id >= IWL_FW_INI_ALLOCATION_NUM)
|
||
|
return -EIO;
|
||
|
|
||
|
fw_mon_cfg = &fwrt->trans->dbg.fw_mon_cfg[alloc_id];
|
||
|
fw_mon = &fwrt->trans->dbg.fw_mon_ini[alloc_id];
|
||
|
|
||
|
if (fw_mon->num_frags ||
|
||
|
fw_mon_cfg->buf_location !=
|
||
|
cpu_to_le32(IWL_FW_INI_LOCATION_DRAM_PATH))
|
||
|
return 0;
|
||
|
|
||
|
num_frags = le32_to_cpu(fw_mon_cfg->max_frags_num);
|
||
|
if (fwrt->trans->trans_cfg->device_family < IWL_DEVICE_FAMILY_AX210) {
|
||
|
if (alloc_id != IWL_FW_INI_ALLOCATION_ID_DBGC1)
|
||
|
return -EIO;
|
||
|
num_frags = 1;
|
||
|
}
|
||
|
|
||
|
remain_pages = DIV_ROUND_UP(le32_to_cpu(fw_mon_cfg->req_size),
|
||
|
PAGE_SIZE);
|
||
|
num_frags = min_t(u32, num_frags, BUF_ALLOC_MAX_NUM_FRAGS);
|
||
|
num_frags = min_t(u32, num_frags, remain_pages);
|
||
|
frag_pages = DIV_ROUND_UP(remain_pages, num_frags);
|
||
|
|
||
|
fw_mon->frags = kcalloc(num_frags, sizeof(*fw_mon->frags), GFP_KERNEL);
|
||
|
if (!fw_mon->frags)
|
||
|
return -ENOMEM;
|
||
|
|
||
|
for (i = 0; i < num_frags; i++) {
|
||
|
int pages = min_t(u32, frag_pages, remain_pages);
|
||
|
|
||
|
IWL_DEBUG_FW(fwrt,
|
||
|
"WRT: Allocating DRAM buffer (alloc_id=%u, fragment=%u, size=0x%lx)\n",
|
||
|
alloc_id, i, pages * PAGE_SIZE);
|
||
|
|
||
|
pages = iwl_dbg_tlv_alloc_fragment(fwrt, &fw_mon->frags[i],
|
||
|
pages);
|
||
|
if (pages < 0) {
|
||
|
u32 alloc_size = le32_to_cpu(fw_mon_cfg->req_size) -
|
||
|
(remain_pages * PAGE_SIZE);
|
||
|
|
||
|
if (alloc_size < le32_to_cpu(fw_mon_cfg->min_size)) {
|
||
|
iwl_dbg_tlv_fragments_free(fwrt->trans,
|
||
|
alloc_id);
|
||
|
return pages;
|
||
|
}
|
||
|
break;
|
||
|
}
|
||
|
|
||
|
remain_pages -= pages;
|
||
|
fw_mon->num_frags++;
|
||
|
}
|
||
|
|
||
|
return 0;
|
||
|
}
|
||
|
|
||
|
static int iwl_dbg_tlv_apply_buffer(struct iwl_fw_runtime *fwrt,
|
||
|
enum iwl_fw_ini_allocation_id alloc_id)
|
||
|
{
|
||
|
struct iwl_fw_mon *fw_mon;
|
||
|
u32 remain_frags, num_commands;
|
||
|
int i, fw_mon_idx = 0;
|
||
|
|
||
|
if (!fw_has_capa(&fwrt->fw->ucode_capa,
|
||
|
IWL_UCODE_TLV_CAPA_DBG_BUF_ALLOC_CMD_SUPP))
|
||
|
return 0;
|
||
|
|
||
|
if (alloc_id < IWL_FW_INI_ALLOCATION_INVALID ||
|
||
|
alloc_id >= IWL_FW_INI_ALLOCATION_NUM)
|
||
|
return -EIO;
|
||
|
|
||
|
if (le32_to_cpu(fwrt->trans->dbg.fw_mon_cfg[alloc_id].buf_location) !=
|
||
|
IWL_FW_INI_LOCATION_DRAM_PATH)
|
||
|
return 0;
|
||
|
|
||
|
fw_mon = &fwrt->trans->dbg.fw_mon_ini[alloc_id];
|
||
|
|
||
|
/* the first fragment of DBGC1 is given to the FW via register
|
||
|
* or context info
|
||
|
*/
|
||
|
if (alloc_id == IWL_FW_INI_ALLOCATION_ID_DBGC1)
|
||
|
fw_mon_idx++;
|
||
|
|
||
|
remain_frags = fw_mon->num_frags - fw_mon_idx;
|
||
|
if (!remain_frags)
|
||
|
return 0;
|
||
|
|
||
|
num_commands = DIV_ROUND_UP(remain_frags, BUF_ALLOC_MAX_NUM_FRAGS);
|
||
|
|
||
|
IWL_DEBUG_FW(fwrt, "WRT: Applying DRAM destination (alloc_id=%u)\n",
|
||
|
alloc_id);
|
||
|
|
||
|
for (i = 0; i < num_commands; i++) {
|
||
|
u32 num_frags = min_t(u32, remain_frags,
|
||
|
BUF_ALLOC_MAX_NUM_FRAGS);
|
||
|
struct iwl_buf_alloc_cmd data = {
|
||
|
.alloc_id = cpu_to_le32(alloc_id),
|
||
|
.num_frags = cpu_to_le32(num_frags),
|
||
|
.buf_location =
|
||
|
cpu_to_le32(IWL_FW_INI_LOCATION_DRAM_PATH),
|
||
|
};
|
||
|
struct iwl_host_cmd hcmd = {
|
||
|
.id = WIDE_ID(DEBUG_GROUP, BUFFER_ALLOCATION),
|
||
|
.data[0] = &data,
|
||
|
.len[0] = sizeof(data),
|
||
|
.flags = CMD_SEND_IN_RFKILL,
|
||
|
};
|
||
|
int ret, j;
|
||
|
|
||
|
for (j = 0; j < num_frags; j++) {
|
||
|
struct iwl_buf_alloc_frag *frag = &data.frags[j];
|
||
|
struct iwl_dram_data *fw_mon_frag =
|
||
|
&fw_mon->frags[fw_mon_idx++];
|
||
|
|
||
|
frag->addr = cpu_to_le64(fw_mon_frag->physical);
|
||
|
frag->size = cpu_to_le32(fw_mon_frag->size);
|
||
|
}
|
||
|
ret = iwl_trans_send_cmd(fwrt->trans, &hcmd);
|
||
|
if (ret)
|
||
|
return ret;
|
||
|
|
||
|
remain_frags -= num_frags;
|
||
|
}
|
||
|
|
||
|
return 0;
|
||
|
}
|
||
|
|
||
|
static void iwl_dbg_tlv_apply_buffers(struct iwl_fw_runtime *fwrt)
|
||
|
{
|
||
|
int ret, i;
|
||
|
|
||
|
if (fw_has_capa(&fwrt->fw->ucode_capa,
|
||
|
IWL_UCODE_TLV_CAPA_DRAM_FRAG_SUPPORT))
|
||
|
return;
|
||
|
|
||
|
for (i = 0; i < IWL_FW_INI_ALLOCATION_NUM; i++) {
|
||
|
ret = iwl_dbg_tlv_apply_buffer(fwrt, i);
|
||
|
if (ret)
|
||
|
IWL_WARN(fwrt,
|
||
|
"WRT: Failed to apply DRAM buffer for allocation id %d, ret=%d\n",
|
||
|
i, ret);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
static int iwl_dbg_tlv_update_dram(struct iwl_fw_runtime *fwrt,
|
||
|
enum iwl_fw_ini_allocation_id alloc_id,
|
||
|
struct iwl_dram_info *dram_info)
|
||
|
{
|
||
|
struct iwl_fw_mon *fw_mon;
|
||
|
u32 remain_frags, num_frags;
|
||
|
int j, fw_mon_idx = 0;
|
||
|
struct iwl_buf_alloc_cmd *data;
|
||
|
|
||
|
if (le32_to_cpu(fwrt->trans->dbg.fw_mon_cfg[alloc_id].buf_location) !=
|
||
|
IWL_FW_INI_LOCATION_DRAM_PATH) {
|
||
|
IWL_DEBUG_FW(fwrt, "DRAM_PATH is not supported alloc_id %u\n", alloc_id);
|
||
|
return -1;
|
||
|
}
|
||
|
|
||
|
fw_mon = &fwrt->trans->dbg.fw_mon_ini[alloc_id];
|
||
|
|
||
|
/* the first fragment of DBGC1 is given to the FW via register
|
||
|
* or context info
|
||
|
*/
|
||
|
if (alloc_id == IWL_FW_INI_ALLOCATION_ID_DBGC1)
|
||
|
fw_mon_idx++;
|
||
|
|
||
|
remain_frags = fw_mon->num_frags - fw_mon_idx;
|
||
|
if (!remain_frags)
|
||
|
return -1;
|
||
|
|
||
|
num_frags = min_t(u32, remain_frags, BUF_ALLOC_MAX_NUM_FRAGS);
|
||
|
data = &dram_info->dram_frags[alloc_id - 1];
|
||
|
data->alloc_id = cpu_to_le32(alloc_id);
|
||
|
data->num_frags = cpu_to_le32(num_frags);
|
||
|
data->buf_location = cpu_to_le32(IWL_FW_INI_LOCATION_DRAM_PATH);
|
||
|
|
||
|
IWL_DEBUG_FW(fwrt, "WRT: DRAM buffer details alloc_id=%u, num_frags=%u\n",
|
||
|
cpu_to_le32(alloc_id), cpu_to_le32(num_frags));
|
||
|
|
||
|
for (j = 0; j < num_frags; j++) {
|
||
|
struct iwl_buf_alloc_frag *frag = &data->frags[j];
|
||
|
struct iwl_dram_data *fw_mon_frag = &fw_mon->frags[fw_mon_idx++];
|
||
|
|
||
|
frag->addr = cpu_to_le64(fw_mon_frag->physical);
|
||
|
frag->size = cpu_to_le32(fw_mon_frag->size);
|
||
|
IWL_DEBUG_FW(fwrt, "WRT: DRAM fragment details\n");
|
||
|
IWL_DEBUG_FW(fwrt, "frag=%u, addr=0x%016llx, size=0x%x)\n",
|
||
|
j, cpu_to_le64(fw_mon_frag->physical),
|
||
|
cpu_to_le32(fw_mon_frag->size));
|
||
|
}
|
||
|
return 0;
|
||
|
}
|
||
|
|
||
|
static void iwl_dbg_tlv_update_drams(struct iwl_fw_runtime *fwrt)
|
||
|
{
|
||
|
int ret, i;
|
||
|
bool dram_alloc = false;
|
||
|
struct iwl_dram_data *frags =
|
||
|
&fwrt->trans->dbg.fw_mon_ini[IWL_FW_INI_ALLOCATION_ID_DBGC1].frags[0];
|
||
|
struct iwl_dram_info *dram_info;
|
||
|
|
||
|
if (!frags || !frags->block)
|
||
|
return;
|
||
|
|
||
|
dram_info = frags->block;
|
||
|
|
||
|
if (!fw_has_capa(&fwrt->fw->ucode_capa,
|
||
|
IWL_UCODE_TLV_CAPA_DRAM_FRAG_SUPPORT))
|
||
|
return;
|
||
|
|
||
|
dram_info->first_word = cpu_to_le32(DRAM_INFO_FIRST_MAGIC_WORD);
|
||
|
dram_info->second_word = cpu_to_le32(DRAM_INFO_SECOND_MAGIC_WORD);
|
||
|
|
||
|
for (i = IWL_FW_INI_ALLOCATION_ID_DBGC1;
|
||
|
i <= IWL_FW_INI_ALLOCATION_ID_DBGC3; i++) {
|
||
|
ret = iwl_dbg_tlv_update_dram(fwrt, i, dram_info);
|
||
|
if (!ret)
|
||
|
dram_alloc = true;
|
||
|
else
|
||
|
IWL_WARN(fwrt,
|
||
|
"WRT: Failed to set DRAM buffer for alloc id %d, ret=%d\n",
|
||
|
i, ret);
|
||
|
}
|
||
|
|
||
|
if (dram_alloc)
|
||
|
IWL_DEBUG_FW(fwrt, "block data after %08x\n",
|
||
|
dram_info->first_word);
|
||
|
else
|
||
|
memset(frags->block, 0, sizeof(*dram_info));
|
||
|
}
|
||
|
|
||
|
static void iwl_dbg_tlv_send_hcmds(struct iwl_fw_runtime *fwrt,
|
||
|
struct list_head *hcmd_list)
|
||
|
{
|
||
|
struct iwl_dbg_tlv_node *node;
|
||
|
|
||
|
list_for_each_entry(node, hcmd_list, list) {
|
||
|
struct iwl_fw_ini_hcmd_tlv *hcmd = (void *)node->tlv.data;
|
||
|
struct iwl_fw_ini_hcmd *hcmd_data = &hcmd->hcmd;
|
||
|
u16 hcmd_len = le32_to_cpu(node->tlv.length) - sizeof(*hcmd);
|
||
|
struct iwl_host_cmd cmd = {
|
||
|
.id = WIDE_ID(hcmd_data->group, hcmd_data->id),
|
||
|
.len = { hcmd_len, },
|
||
|
.data = { hcmd_data->data, },
|
||
|
};
|
||
|
|
||
|
iwl_trans_send_cmd(fwrt->trans, &cmd);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
static void iwl_dbg_tlv_apply_config(struct iwl_fw_runtime *fwrt,
|
||
|
struct list_head *conf_list)
|
||
|
{
|
||
|
struct iwl_dbg_tlv_node *node;
|
||
|
|
||
|
list_for_each_entry(node, conf_list, list) {
|
||
|
struct iwl_fw_ini_conf_set_tlv *config_list = (void *)node->tlv.data;
|
||
|
u32 count, address, value;
|
||
|
u32 len = (le32_to_cpu(node->tlv.length) - sizeof(*config_list)) / 8;
|
||
|
u32 type = le32_to_cpu(config_list->set_type);
|
||
|
u32 offset = le32_to_cpu(config_list->addr_offset);
|
||
|
|
||
|
switch (type) {
|
||
|
case IWL_FW_INI_CONFIG_SET_TYPE_DEVICE_PERIPHERY_MAC: {
|
||
|
if (!iwl_trans_grab_nic_access(fwrt->trans)) {
|
||
|
IWL_DEBUG_FW(fwrt, "WRT: failed to get nic access\n");
|
||
|
IWL_DEBUG_FW(fwrt, "WRT: skipping MAC PERIPHERY config\n");
|
||
|
continue;
|
||
|
}
|
||
|
IWL_DEBUG_FW(fwrt, "WRT: MAC PERIPHERY config len: len %u\n", len);
|
||
|
for (count = 0; count < len; count++) {
|
||
|
address = le32_to_cpu(config_list->addr_val[count].address);
|
||
|
value = le32_to_cpu(config_list->addr_val[count].value);
|
||
|
iwl_trans_write_prph(fwrt->trans, address + offset, value);
|
||
|
}
|
||
|
iwl_trans_release_nic_access(fwrt->trans);
|
||
|
break;
|
||
|
}
|
||
|
case IWL_FW_INI_CONFIG_SET_TYPE_DEVICE_MEMORY: {
|
||
|
for (count = 0; count < len; count++) {
|
||
|
address = le32_to_cpu(config_list->addr_val[count].address);
|
||
|
value = le32_to_cpu(config_list->addr_val[count].value);
|
||
|
iwl_trans_write_mem32(fwrt->trans, address + offset, value);
|
||
|
IWL_DEBUG_FW(fwrt, "WRT: DEV_MEM: count %u, add: %u val: %u\n",
|
||
|
count, address, value);
|
||
|
}
|
||
|
break;
|
||
|
}
|
||
|
case IWL_FW_INI_CONFIG_SET_TYPE_CSR: {
|
||
|
for (count = 0; count < len; count++) {
|
||
|
address = le32_to_cpu(config_list->addr_val[count].address);
|
||
|
value = le32_to_cpu(config_list->addr_val[count].value);
|
||
|
iwl_write32(fwrt->trans, address + offset, value);
|
||
|
IWL_DEBUG_FW(fwrt, "WRT: CSR: count %u, add: %u val: %u\n",
|
||
|
count, address, value);
|
||
|
}
|
||
|
break;
|
||
|
}
|
||
|
case IWL_FW_INI_CONFIG_SET_TYPE_DBGC_DRAM_ADDR: {
|
||
|
struct iwl_dbgc1_info dram_info = {};
|
||
|
struct iwl_dram_data *frags = &fwrt->trans->dbg.fw_mon_ini[1].frags[0];
|
||
|
__le64 dram_base_addr;
|
||
|
__le32 dram_size;
|
||
|
u64 dram_addr;
|
||
|
u32 ret;
|
||
|
|
||
|
if (!frags)
|
||
|
break;
|
||
|
|
||
|
dram_base_addr = cpu_to_le64(frags->physical);
|
||
|
dram_size = cpu_to_le32(frags->size);
|
||
|
dram_addr = le64_to_cpu(dram_base_addr);
|
||
|
|
||
|
IWL_DEBUG_FW(fwrt, "WRT: dram_base_addr 0x%016llx, dram_size 0x%x\n",
|
||
|
dram_base_addr, dram_size);
|
||
|
IWL_DEBUG_FW(fwrt, "WRT: config_list->addr_offset: %u\n",
|
||
|
le32_to_cpu(config_list->addr_offset));
|
||
|
for (count = 0; count < len; count++) {
|
||
|
address = le32_to_cpu(config_list->addr_val[count].address);
|
||
|
dram_info.dbgc1_add_lsb =
|
||
|
cpu_to_le32((dram_addr & 0x00000000FFFFFFFFULL) + 0x400);
|
||
|
dram_info.dbgc1_add_msb =
|
||
|
cpu_to_le32((dram_addr & 0xFFFFFFFF00000000ULL) >> 32);
|
||
|
dram_info.dbgc1_size = cpu_to_le32(le32_to_cpu(dram_size) - 0x400);
|
||
|
ret = iwl_trans_write_mem(fwrt->trans,
|
||
|
address + offset, &dram_info, 4);
|
||
|
if (ret) {
|
||
|
IWL_ERR(fwrt, "Failed to write dram_info to HW_SMEM\n");
|
||
|
break;
|
||
|
}
|
||
|
}
|
||
|
break;
|
||
|
}
|
||
|
case IWL_FW_INI_CONFIG_SET_TYPE_PERIPH_SCRATCH_HWM: {
|
||
|
u32 debug_token_config =
|
||
|
le32_to_cpu(config_list->addr_val[0].value);
|
||
|
|
||
|
IWL_DEBUG_FW(fwrt, "WRT: Setting HWM debug token config: %u\n",
|
||
|
debug_token_config);
|
||
|
fwrt->trans->dbg.ucode_preset = debug_token_config;
|
||
|
break;
|
||
|
}
|
||
|
default:
|
||
|
break;
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
|
||
|
static void iwl_dbg_tlv_periodic_trig_handler(struct timer_list *t)
|
||
|
{
|
||
|
struct iwl_dbg_tlv_timer_node *timer_node =
|
||
|
from_timer(timer_node, t, timer);
|
||
|
struct iwl_fwrt_dump_data dump_data = {
|
||
|
.trig = (void *)timer_node->tlv->data,
|
||
|
};
|
||
|
int ret;
|
||
|
|
||
|
ret = iwl_fw_dbg_ini_collect(timer_node->fwrt, &dump_data, false);
|
||
|
if (!ret || ret == -EBUSY) {
|
||
|
u32 occur = le32_to_cpu(dump_data.trig->occurrences);
|
||
|
u32 collect_interval = le32_to_cpu(dump_data.trig->data[0]);
|
||
|
|
||
|
if (!occur)
|
||
|
return;
|
||
|
|
||
|
mod_timer(t, jiffies + msecs_to_jiffies(collect_interval));
|
||
|
}
|
||
|
}
|
||
|
|
||
|
static void iwl_dbg_tlv_set_periodic_trigs(struct iwl_fw_runtime *fwrt)
|
||
|
{
|
||
|
struct iwl_dbg_tlv_node *node;
|
||
|
struct list_head *trig_list =
|
||
|
&fwrt->trans->dbg.time_point[IWL_FW_INI_TIME_POINT_PERIODIC].active_trig_list;
|
||
|
|
||
|
list_for_each_entry(node, trig_list, list) {
|
||
|
struct iwl_fw_ini_trigger_tlv *trig = (void *)node->tlv.data;
|
||
|
struct iwl_dbg_tlv_timer_node *timer_node;
|
||
|
u32 occur = le32_to_cpu(trig->occurrences), collect_interval;
|
||
|
u32 min_interval = 100;
|
||
|
|
||
|
if (!occur)
|
||
|
continue;
|
||
|
|
||
|
/* make sure there is at least one dword of data for the
|
||
|
* interval value
|
||
|
*/
|
||
|
if (le32_to_cpu(node->tlv.length) <
|
||
|
sizeof(*trig) + sizeof(__le32)) {
|
||
|
IWL_ERR(fwrt,
|
||
|
"WRT: Invalid periodic trigger data was not given\n");
|
||
|
continue;
|
||
|
}
|
||
|
|
||
|
if (le32_to_cpu(trig->data[0]) < min_interval) {
|
||
|
IWL_WARN(fwrt,
|
||
|
"WRT: Override min interval from %u to %u msec\n",
|
||
|
le32_to_cpu(trig->data[0]), min_interval);
|
||
|
trig->data[0] = cpu_to_le32(min_interval);
|
||
|
}
|
||
|
|
||
|
collect_interval = le32_to_cpu(trig->data[0]);
|
||
|
|
||
|
timer_node = kzalloc(sizeof(*timer_node), GFP_KERNEL);
|
||
|
if (!timer_node) {
|
||
|
IWL_ERR(fwrt,
|
||
|
"WRT: Failed to allocate periodic trigger\n");
|
||
|
continue;
|
||
|
}
|
||
|
|
||
|
timer_node->fwrt = fwrt;
|
||
|
timer_node->tlv = &node->tlv;
|
||
|
timer_setup(&timer_node->timer,
|
||
|
iwl_dbg_tlv_periodic_trig_handler, 0);
|
||
|
|
||
|
list_add_tail(&timer_node->list,
|
||
|
&fwrt->trans->dbg.periodic_trig_list);
|
||
|
|
||
|
IWL_DEBUG_FW(fwrt, "WRT: Enabling periodic trigger\n");
|
||
|
|
||
|
mod_timer(&timer_node->timer,
|
||
|
jiffies + msecs_to_jiffies(collect_interval));
|
||
|
}
|
||
|
}
|
||
|
|
||
|
static bool is_trig_data_contained(const struct iwl_ucode_tlv *new,
|
||
|
const struct iwl_ucode_tlv *old)
|
||
|
{
|
||
|
const struct iwl_fw_ini_trigger_tlv *new_trig = (const void *)new->data;
|
||
|
const struct iwl_fw_ini_trigger_tlv *old_trig = (const void *)old->data;
|
||
|
const __le32 *new_data = new_trig->data, *old_data = old_trig->data;
|
||
|
u32 new_dwords_num = iwl_tlv_array_len(new, new_trig, data);
|
||
|
u32 old_dwords_num = iwl_tlv_array_len(old, old_trig, data);
|
||
|
int i, j;
|
||
|
|
||
|
for (i = 0; i < new_dwords_num; i++) {
|
||
|
bool match = false;
|
||
|
|
||
|
for (j = 0; j < old_dwords_num; j++) {
|
||
|
if (new_data[i] == old_data[j]) {
|
||
|
match = true;
|
||
|
break;
|
||
|
}
|
||
|
}
|
||
|
if (!match)
|
||
|
return false;
|
||
|
}
|
||
|
|
||
|
return true;
|
||
|
}
|
||
|
|
||
|
static int iwl_dbg_tlv_override_trig_node(struct iwl_fw_runtime *fwrt,
|
||
|
struct iwl_ucode_tlv *trig_tlv,
|
||
|
struct iwl_dbg_tlv_node *node)
|
||
|
{
|
||
|
struct iwl_ucode_tlv *node_tlv = &node->tlv;
|
||
|
struct iwl_fw_ini_trigger_tlv *node_trig = (void *)node_tlv->data;
|
||
|
struct iwl_fw_ini_trigger_tlv *trig = (void *)trig_tlv->data;
|
||
|
u32 policy = le32_to_cpu(trig->apply_policy);
|
||
|
u32 size = le32_to_cpu(trig_tlv->length);
|
||
|
u32 trig_data_len = size - sizeof(*trig);
|
||
|
u32 offset = 0;
|
||
|
|
||
|
if (!(policy & IWL_FW_INI_APPLY_POLICY_OVERRIDE_DATA)) {
|
||
|
u32 data_len = le32_to_cpu(node_tlv->length) -
|
||
|
sizeof(*node_trig);
|
||
|
|
||
|
IWL_DEBUG_FW(fwrt,
|
||
|
"WRT: Appending trigger data (time point %u)\n",
|
||
|
le32_to_cpu(trig->time_point));
|
||
|
|
||
|
offset += data_len;
|
||
|
size += data_len;
|
||
|
} else {
|
||
|
IWL_DEBUG_FW(fwrt,
|
||
|
"WRT: Overriding trigger data (time point %u)\n",
|
||
|
le32_to_cpu(trig->time_point));
|
||
|
}
|
||
|
|
||
|
if (size != le32_to_cpu(node_tlv->length)) {
|
||
|
struct list_head *prev = node->list.prev;
|
||
|
struct iwl_dbg_tlv_node *tmp;
|
||
|
|
||
|
list_del(&node->list);
|
||
|
|
||
|
tmp = krealloc(node, sizeof(*node) + size, GFP_KERNEL);
|
||
|
if (!tmp) {
|
||
|
IWL_WARN(fwrt,
|
||
|
"WRT: No memory to override trigger (time point %u)\n",
|
||
|
le32_to_cpu(trig->time_point));
|
||
|
|
||
|
list_add(&node->list, prev);
|
||
|
|
||
|
return -ENOMEM;
|
||
|
}
|
||
|
|
||
|
list_add(&tmp->list, prev);
|
||
|
node_tlv = &tmp->tlv;
|
||
|
node_trig = (void *)node_tlv->data;
|
||
|
}
|
||
|
|
||
|
memcpy(node_trig->data + offset, trig->data, trig_data_len);
|
||
|
node_tlv->length = cpu_to_le32(size);
|
||
|
|
||
|
if (policy & IWL_FW_INI_APPLY_POLICY_OVERRIDE_CFG) {
|
||
|
IWL_DEBUG_FW(fwrt,
|
||
|
"WRT: Overriding trigger configuration (time point %u)\n",
|
||
|
le32_to_cpu(trig->time_point));
|
||
|
|
||
|
/* the first 11 dwords are configuration related */
|
||
|
memcpy(node_trig, trig, sizeof(__le32) * 11);
|
||
|
}
|
||
|
|
||
|
if (policy & IWL_FW_INI_APPLY_POLICY_OVERRIDE_REGIONS) {
|
||
|
IWL_DEBUG_FW(fwrt,
|
||
|
"WRT: Overriding trigger regions (time point %u)\n",
|
||
|
le32_to_cpu(trig->time_point));
|
||
|
|
||
|
node_trig->regions_mask = trig->regions_mask;
|
||
|
} else {
|
||
|
IWL_DEBUG_FW(fwrt,
|
||
|
"WRT: Appending trigger regions (time point %u)\n",
|
||
|
le32_to_cpu(trig->time_point));
|
||
|
|
||
|
node_trig->regions_mask |= trig->regions_mask;
|
||
|
}
|
||
|
|
||
|
return 0;
|
||
|
}
|
||
|
|
||
|
static int
|
||
|
iwl_dbg_tlv_add_active_trigger(struct iwl_fw_runtime *fwrt,
|
||
|
struct list_head *trig_list,
|
||
|
struct iwl_ucode_tlv *trig_tlv)
|
||
|
{
|
||
|
struct iwl_fw_ini_trigger_tlv *trig = (void *)trig_tlv->data;
|
||
|
struct iwl_dbg_tlv_node *node, *match = NULL;
|
||
|
u32 policy = le32_to_cpu(trig->apply_policy);
|
||
|
|
||
|
list_for_each_entry(node, trig_list, list) {
|
||
|
if (!(policy & IWL_FW_INI_APPLY_POLICY_MATCH_TIME_POINT))
|
||
|
break;
|
||
|
|
||
|
if (!(policy & IWL_FW_INI_APPLY_POLICY_MATCH_DATA) ||
|
||
|
is_trig_data_contained(trig_tlv, &node->tlv)) {
|
||
|
match = node;
|
||
|
break;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
if (!match) {
|
||
|
IWL_DEBUG_FW(fwrt, "WRT: Enabling trigger (time point %u)\n",
|
||
|
le32_to_cpu(trig->time_point));
|
||
|
return iwl_dbg_tlv_add(trig_tlv, trig_list);
|
||
|
}
|
||
|
|
||
|
return iwl_dbg_tlv_override_trig_node(fwrt, trig_tlv, match);
|
||
|
}
|
||
|
|
||
|
static void
|
||
|
iwl_dbg_tlv_gen_active_trig_list(struct iwl_fw_runtime *fwrt,
|
||
|
struct iwl_dbg_tlv_time_point_data *tp)
|
||
|
{
|
||
|
struct iwl_dbg_tlv_node *node;
|
||
|
struct list_head *trig_list = &tp->trig_list;
|
||
|
struct list_head *active_trig_list = &tp->active_trig_list;
|
||
|
|
||
|
list_for_each_entry(node, trig_list, list) {
|
||
|
struct iwl_ucode_tlv *tlv = &node->tlv;
|
||
|
|
||
|
iwl_dbg_tlv_add_active_trigger(fwrt, active_trig_list, tlv);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
static bool iwl_dbg_tlv_check_fw_pkt(struct iwl_fw_runtime *fwrt,
|
||
|
struct iwl_fwrt_dump_data *dump_data,
|
||
|
union iwl_dbg_tlv_tp_data *tp_data,
|
||
|
u32 trig_data)
|
||
|
{
|
||
|
struct iwl_rx_packet *pkt = tp_data->fw_pkt;
|
||
|
struct iwl_cmd_header *wanted_hdr = (void *)&trig_data;
|
||
|
|
||
|
if (pkt && (pkt->hdr.cmd == wanted_hdr->cmd &&
|
||
|
pkt->hdr.group_id == wanted_hdr->group_id)) {
|
||
|
struct iwl_rx_packet *fw_pkt =
|
||
|
kmemdup(pkt,
|
||
|
sizeof(*pkt) + iwl_rx_packet_payload_len(pkt),
|
||
|
GFP_ATOMIC);
|
||
|
|
||
|
if (!fw_pkt)
|
||
|
return false;
|
||
|
|
||
|
dump_data->fw_pkt = fw_pkt;
|
||
|
|
||
|
return true;
|
||
|
}
|
||
|
|
||
|
return false;
|
||
|
}
|
||
|
|
||
|
static int
|
||
|
iwl_dbg_tlv_tp_trigger(struct iwl_fw_runtime *fwrt, bool sync,
|
||
|
struct list_head *active_trig_list,
|
||
|
union iwl_dbg_tlv_tp_data *tp_data,
|
||
|
bool (*data_check)(struct iwl_fw_runtime *fwrt,
|
||
|
struct iwl_fwrt_dump_data *dump_data,
|
||
|
union iwl_dbg_tlv_tp_data *tp_data,
|
||
|
u32 trig_data))
|
||
|
{
|
||
|
struct iwl_dbg_tlv_node *node;
|
||
|
|
||
|
list_for_each_entry(node, active_trig_list, list) {
|
||
|
struct iwl_fwrt_dump_data dump_data = {
|
||
|
.trig = (void *)node->tlv.data,
|
||
|
};
|
||
|
u32 num_data = iwl_tlv_array_len(&node->tlv, dump_data.trig,
|
||
|
data);
|
||
|
int ret, i;
|
||
|
u32 tp = le32_to_cpu(dump_data.trig->time_point);
|
||
|
|
||
|
|
||
|
if (!num_data) {
|
||
|
ret = iwl_fw_dbg_ini_collect(fwrt, &dump_data, sync);
|
||
|
if (ret)
|
||
|
return ret;
|
||
|
}
|
||
|
|
||
|
for (i = 0; i < num_data; i++) {
|
||
|
if (!data_check ||
|
||
|
data_check(fwrt, &dump_data, tp_data,
|
||
|
le32_to_cpu(dump_data.trig->data[i]))) {
|
||
|
ret = iwl_fw_dbg_ini_collect(fwrt, &dump_data, sync);
|
||
|
if (ret)
|
||
|
return ret;
|
||
|
|
||
|
break;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
fwrt->trans->dbg.restart_required = FALSE;
|
||
|
IWL_DEBUG_INFO(fwrt, "WRT: tp %d, reset_fw %d\n",
|
||
|
tp, dump_data.trig->reset_fw);
|
||
|
IWL_DEBUG_INFO(fwrt, "WRT: restart_required %d, last_tp_resetfw %d\n",
|
||
|
fwrt->trans->dbg.restart_required,
|
||
|
fwrt->trans->dbg.last_tp_resetfw);
|
||
|
|
||
|
if (fwrt->trans->trans_cfg->device_family ==
|
||
|
IWL_DEVICE_FAMILY_9000) {
|
||
|
fwrt->trans->dbg.restart_required = TRUE;
|
||
|
} else if (tp == IWL_FW_INI_TIME_POINT_FW_ASSERT &&
|
||
|
fwrt->trans->dbg.last_tp_resetfw ==
|
||
|
IWL_FW_INI_RESET_FW_MODE_STOP_FW_ONLY) {
|
||
|
fwrt->trans->dbg.restart_required = FALSE;
|
||
|
fwrt->trans->dbg.last_tp_resetfw = 0xFF;
|
||
|
IWL_DEBUG_FW(fwrt, "WRT: FW_ASSERT due to reset_fw_mode-no restart\n");
|
||
|
} else if (le32_to_cpu(dump_data.trig->reset_fw) ==
|
||
|
IWL_FW_INI_RESET_FW_MODE_STOP_AND_RELOAD_FW) {
|
||
|
IWL_DEBUG_INFO(fwrt, "WRT: stop and reload firmware\n");
|
||
|
fwrt->trans->dbg.restart_required = TRUE;
|
||
|
} else if (le32_to_cpu(dump_data.trig->reset_fw) ==
|
||
|
IWL_FW_INI_RESET_FW_MODE_STOP_FW_ONLY) {
|
||
|
IWL_DEBUG_INFO(fwrt, "WRT: stop only and no reload firmware\n");
|
||
|
fwrt->trans->dbg.restart_required = FALSE;
|
||
|
fwrt->trans->dbg.last_tp_resetfw =
|
||
|
le32_to_cpu(dump_data.trig->reset_fw);
|
||
|
} else if (le32_to_cpu(dump_data.trig->reset_fw) ==
|
||
|
IWL_FW_INI_RESET_FW_MODE_NOTHING) {
|
||
|
IWL_DEBUG_INFO(fwrt,
|
||
|
"WRT: nothing need to be done after debug collection\n");
|
||
|
} else {
|
||
|
IWL_ERR(fwrt, "WRT: wrong resetfw %d\n",
|
||
|
le32_to_cpu(dump_data.trig->reset_fw));
|
||
|
}
|
||
|
}
|
||
|
return 0;
|
||
|
}
|
||
|
|
||
|
static void iwl_dbg_tlv_init_cfg(struct iwl_fw_runtime *fwrt)
|
||
|
{
|
||
|
enum iwl_fw_ini_buffer_location *ini_dest = &fwrt->trans->dbg.ini_dest;
|
||
|
int ret, i;
|
||
|
u32 failed_alloc = 0;
|
||
|
|
||
|
if (*ini_dest != IWL_FW_INI_LOCATION_INVALID)
|
||
|
return;
|
||
|
|
||
|
IWL_DEBUG_FW(fwrt,
|
||
|
"WRT: Generating active triggers list, domain 0x%x\n",
|
||
|
fwrt->trans->dbg.domains_bitmap);
|
||
|
|
||
|
for (i = 0; i < ARRAY_SIZE(fwrt->trans->dbg.time_point); i++) {
|
||
|
struct iwl_dbg_tlv_time_point_data *tp =
|
||
|
&fwrt->trans->dbg.time_point[i];
|
||
|
|
||
|
iwl_dbg_tlv_gen_active_trig_list(fwrt, tp);
|
||
|
}
|
||
|
|
||
|
*ini_dest = IWL_FW_INI_LOCATION_INVALID;
|
||
|
for (i = 0; i < IWL_FW_INI_ALLOCATION_NUM; i++) {
|
||
|
struct iwl_fw_ini_allocation_tlv *fw_mon_cfg =
|
||
|
&fwrt->trans->dbg.fw_mon_cfg[i];
|
||
|
u32 dest = le32_to_cpu(fw_mon_cfg->buf_location);
|
||
|
|
||
|
if (dest == IWL_FW_INI_LOCATION_INVALID) {
|
||
|
failed_alloc |= BIT(i);
|
||
|
continue;
|
||
|
}
|
||
|
|
||
|
if (*ini_dest == IWL_FW_INI_LOCATION_INVALID)
|
||
|
*ini_dest = dest;
|
||
|
|
||
|
if (dest != *ini_dest)
|
||
|
continue;
|
||
|
|
||
|
ret = iwl_dbg_tlv_alloc_fragments(fwrt, i);
|
||
|
|
||
|
if (ret) {
|
||
|
IWL_WARN(fwrt,
|
||
|
"WRT: Failed to allocate DRAM buffer for allocation id %d, ret=%d\n",
|
||
|
i, ret);
|
||
|
failed_alloc |= BIT(i);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
if (!failed_alloc)
|
||
|
return;
|
||
|
|
||
|
for (i = 0; i < ARRAY_SIZE(fwrt->trans->dbg.active_regions) && failed_alloc; i++) {
|
||
|
struct iwl_fw_ini_region_tlv *reg;
|
||
|
struct iwl_ucode_tlv **active_reg =
|
||
|
&fwrt->trans->dbg.active_regions[i];
|
||
|
u32 reg_type;
|
||
|
|
||
|
if (!*active_reg) {
|
||
|
fwrt->trans->dbg.unsupported_region_msk |= BIT(i);
|
||
|
continue;
|
||
|
}
|
||
|
|
||
|
reg = (void *)(*active_reg)->data;
|
||
|
reg_type = reg->type;
|
||
|
|
||
|
if (reg_type != IWL_FW_INI_REGION_DRAM_BUFFER ||
|
||
|
!(BIT(le32_to_cpu(reg->dram_alloc_id)) & failed_alloc))
|
||
|
continue;
|
||
|
|
||
|
IWL_DEBUG_FW(fwrt,
|
||
|
"WRT: removing allocation id %d from region id %d\n",
|
||
|
le32_to_cpu(reg->dram_alloc_id), i);
|
||
|
|
||
|
failed_alloc &= ~le32_to_cpu(reg->dram_alloc_id);
|
||
|
fwrt->trans->dbg.unsupported_region_msk |= BIT(i);
|
||
|
|
||
|
kfree(*active_reg);
|
||
|
*active_reg = NULL;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
void _iwl_dbg_tlv_time_point(struct iwl_fw_runtime *fwrt,
|
||
|
enum iwl_fw_ini_time_point tp_id,
|
||
|
union iwl_dbg_tlv_tp_data *tp_data,
|
||
|
bool sync)
|
||
|
{
|
||
|
struct list_head *hcmd_list, *trig_list, *conf_list;
|
||
|
|
||
|
if (!iwl_trans_dbg_ini_valid(fwrt->trans) ||
|
||
|
tp_id == IWL_FW_INI_TIME_POINT_INVALID ||
|
||
|
tp_id >= IWL_FW_INI_TIME_POINT_NUM)
|
||
|
return;
|
||
|
|
||
|
hcmd_list = &fwrt->trans->dbg.time_point[tp_id].hcmd_list;
|
||
|
trig_list = &fwrt->trans->dbg.time_point[tp_id].active_trig_list;
|
||
|
conf_list = &fwrt->trans->dbg.time_point[tp_id].config_list;
|
||
|
|
||
|
switch (tp_id) {
|
||
|
case IWL_FW_INI_TIME_POINT_EARLY:
|
||
|
iwl_dbg_tlv_init_cfg(fwrt);
|
||
|
iwl_dbg_tlv_apply_config(fwrt, conf_list);
|
||
|
iwl_dbg_tlv_update_drams(fwrt);
|
||
|
iwl_dbg_tlv_tp_trigger(fwrt, sync, trig_list, tp_data, NULL);
|
||
|
break;
|
||
|
case IWL_FW_INI_TIME_POINT_AFTER_ALIVE:
|
||
|
iwl_dbg_tlv_apply_buffers(fwrt);
|
||
|
iwl_dbg_tlv_send_hcmds(fwrt, hcmd_list);
|
||
|
iwl_dbg_tlv_apply_config(fwrt, conf_list);
|
||
|
iwl_dbg_tlv_tp_trigger(fwrt, sync, trig_list, tp_data, NULL);
|
||
|
break;
|
||
|
case IWL_FW_INI_TIME_POINT_PERIODIC:
|
||
|
iwl_dbg_tlv_set_periodic_trigs(fwrt);
|
||
|
iwl_dbg_tlv_send_hcmds(fwrt, hcmd_list);
|
||
|
break;
|
||
|
case IWL_FW_INI_TIME_POINT_FW_RSP_OR_NOTIF:
|
||
|
case IWL_FW_INI_TIME_POINT_MISSED_BEACONS:
|
||
|
case IWL_FW_INI_TIME_POINT_FW_DHC_NOTIFICATION:
|
||
|
iwl_dbg_tlv_send_hcmds(fwrt, hcmd_list);
|
||
|
iwl_dbg_tlv_apply_config(fwrt, conf_list);
|
||
|
iwl_dbg_tlv_tp_trigger(fwrt, sync, trig_list, tp_data,
|
||
|
iwl_dbg_tlv_check_fw_pkt);
|
||
|
break;
|
||
|
default:
|
||
|
iwl_dbg_tlv_send_hcmds(fwrt, hcmd_list);
|
||
|
iwl_dbg_tlv_apply_config(fwrt, conf_list);
|
||
|
iwl_dbg_tlv_tp_trigger(fwrt, sync, trig_list, tp_data, NULL);
|
||
|
break;
|
||
|
}
|
||
|
}
|
||
|
IWL_EXPORT_SYMBOL(_iwl_dbg_tlv_time_point);
|