update the platform Pcie plugs

device/celestica/x86_64-cel_seastone-r0/Seastone-DX010/pcie.yaml

@@ -0,0 +1,2 @@
+devSpd: b960
+devId: 5GT/s

device/celestica/x86_64-cel_seastone-r0/plugins/pcieutil.py

@@ -0,0 +1,104 @@
+
+# pcieutil.py
+# Platform-specific PCIE status interface for SONIC
+#
+
+import os
+import yaml
+import subprocess
+
+try:
+    from pcie_base import PcieBase
+except ImportError as e:
+    raise ImportError(str(e) + "- required module not found")
+
+
+
+class PcieUtil():
+    """Platform-specific PCIEutil class"""
+
+    def __init__(self):
+        self.Dict = {}
+
+
+    # input the hwsku path 
+    def get_pcie_id(self, hwsku_path):
+        _dict_temp = {}
+    # get the device message
+        config_path = hwsku_path + '/pcie.yaml'
+        with open(config_path) as pcie_file:
+            pcieInfo = yaml.safe_load(pcie_file)
+            devSpd = pcieInfo['devSpd']
+            devId = pcieInfo['devId']
+    # get the device id info        
+        command = "sudo lspci -n | grep " + devId
+        proc = subprocess.Popen(command, shell=True, stdout=subprocess.PIPE)
+        output = proc.stdout.readlines()
+        (out, err) = proc.communicate()
+
+        if proc.returncode > 0:
+            for line in output:
+                print(line.strip())
+            return
+        else:
+            for line in output:
+                busId = line.strip()
+                venderId = line.split(":")[2].strip()
+                deviceId = line.split(":")[3].split()[0].strip()
+                _dict_temp['venderId'] = venderId
+                _dict_temp['deviceId'] = deviceId
+                self.Dict[busId] = _dict_temp
+        return self.Dict
+    # input the hwsku path 
+    def get_pcie_speed(self ,hwsku_path):
+        _keyDict = {}
+    # get the device message        
+        config_path = hwsku_path + '/pcie.yaml'
+        with open(config_path) as pcie_file:
+            pcieInfo = yaml.safe_load(pcie_file)
+            devSpd = pcieInfo['devSpd']
+            devId = pcieInfo['devId']
+    #  get the device key              
+        command = "sudo lspci"
+        proc = subprocess.Popen(command, shell=True, stdout=subprocess.PIPE)
+        output = proc.stdout.readlines()
+        (out, err) = proc.communicate()
+    #shell cmd return failed
+        if proc.returncode > 0:
+            for line in output:
+                click.echo(line.strip())
+            return
+        else:
+            for line in output:
+                if devId in line:
+                    _keyDict[line.split()[0]] = line.strip()
+    # get the devicr message
+        for key, value in _keyDict.items():
+            checkin = 0
+            erroutput = open("/dev/null", "w")
+            command = "sudo lspci -vvvv -s " + key
+            proc = subprocess.Popen(command, shell=True, stdout=subprocess.PIPE, stderr=erroutput.fileno())
+            proc.wait()
+            output = proc.stdout.readlines()
+            #shell cmd return failed
+            if proc.returncode > 0:
+                for line in output:
+                    click.echo(line.strip())
+                print("shell cmd return faild: {0}".format(proc.returncode))
+                return
+            else:
+                for line in output:
+                    if "LnkSta:" in line:
+                        self.Dict[value] = line.strip()
+                        speed = line.split()[2].split(',')[0]   #LnkSta: Speed 5GT/s, Width x4, TrErr- Train- SlotClk+ DLActive- BWMgmt- ABWMgmt-
+                        if speed == devSpd:                        
+                            checkin = 1
+                        else:
+                            print("LnkSta not match which is {0}".format(speed))
+        return self.Dict
+
+
+
+
+
+