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tools/pcie_check.sh

+#!/usr/bin/bash
+
+# 收集pcie信息
+parse_regions() {
+    lspci -vv -s "$1" | awk '/Region [0-9]+:/'
+}
+
+get_pcie_topo() {
+    lspci -vt
+}
+
+show_acs() {
+    lspci -vvs "$1" | grep ACS
+}
+
+show_link_status() {
+    local info=$(lspci -vv -s "$1")
+
+    declare -A lnk=(
+        [cur_speed]=$(grep -ioP 'LnkSta:\s+Speed\s\K[\d.]+' <<< "$info")
+        [max_speed]=$(grep -ioP 'LnkCap:\s+Speed\s\K[\d.]+' <<< "$info")
+        [cur_width]=$(grep -ioP 'LnkSta.*Width\sx\K\d+' <<< "$info")
+        [max_width]=$(grep -ioP 'LnkCap.*Width\sx\K\d+' <<< "$info")
+    )
+    echo "当前状态  : x${lnk[cur_width]} @ ${lnk[cur_speed]}GT/s "
+}
+show_busmaster() {
+    lspci -vv -s "$1" | grep BusMaster | awk '{print $4}'
+}
+collect_pcie_logs() {
+	log "收集PCIe系统信息"
+	lspci -D -d :$DEVICE_ID | while read -r dev; do
+		id=${dev:0:12}
+        name=${dev:12}
+        echo
+        echo "$(hline)"
+        echo "设备 ${id}"
+        echo "型号      : ${name}"
+        echo "$(hline)"
+        echo
+        echo "BAR 内存映射："
+        parse_regions "$id" | sed 's/^/  /'
+        echo
+        echo "PCIe 链路状态："
+        show_link_status "$id" | sed 's/^/  /'
+        echo
+        echo "PCIe ACS设置"
+        show_acs "$id"  | sed 's/^/  /'
+        echo
+        echo "BusMaster设置"
+        show_busmaster "$id"  | sed 's/^/  /'
+    done
+	
+}
+
+get_pcie_info() {
+	log "收集PCIe系统信息"
+	collect_pcie_logs >  $OUTPUT_DIR/pcie_info.log
+	get_pcie_topo > $OUTPUT_DIR/pcie_vt.log 2>&1
+	lspci -vvv > $OUTPUT_DIR/pcie_more.log 2>&1
+	log "PCIe 信息收集完毕"
+}
+
+analyze_regions() {
+    local address
+    echo "$1"
+
+    # 提取Region关键参数
+	address=$(echo "$1" | awk '/Memory at/ {print $5}')
+    
+    # 判定逻辑实现
+    if [[ "$address" == "unassigned" ]]; then
+        echo "[ERROR] Bar地址未分配，需要检查卡的状态（物理连接或供电异常）" 
+        echo "建议操作：执行'lspci -vvv'确认设备识别状态}"
+        return 1
+    elif [[ `echo $address | wc -c` -gt 12 ]]; then
+        echo "[WARNING] Bar地址超出44bit（当前地址：0x${address}）"
+        echo "解决方案：调整BIOS的MMIO High Base < 16T}"
+        return 2
+    fi
+	if [[ "$address"  == "<ignored>" ]]; then
+        echo "[ERROR] 获取不到bar地址"
+        echo "修复建议：检查/proc/cmdline是否包含'pcie=realloc'配置"
+        grep -q "pcie=realloc" /proc/cmdline || echo "  当前配置：$(cat /proc/cmdline)"
+        return 3
+    fi
+    echo "PCIe 状态正常"
+    return 0
+}
+
+pcie_check() {
+    if [ ! -f "$1" ]; then
+        echo "file not exists" >&2
+        exit 1
+    fi
+	echo "Region 0地址测试"
+	grep "Region 0" $1 | while read -r line; do
+		analyze_regions "$line"
+	done
+	echo "Region 5 地址测试"
+	grep "Region 5" $1 | while read -r line; do
+		analyze_regions "$line"
+	done
+}