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1#!/usr/bin/env python32# SPDX-License-Identifier: GPL-2.03 4import os5from optparse import OptionParser6 7help_msg = "print verbose messages. Try -vv, -vvv for more verbose messages"8parser = OptionParser()9parser.add_option(10 "-v", "--verbose", dest="verbose", help=help_msg, action="count")11 12(options, args) = parser.parse_args()13 14verbose = 015if options.verbose is not None:16 verbose = options.verbose17 18vmbus_sys_path = '/sys/bus/vmbus/devices'19if not os.path.isdir(vmbus_sys_path):20 print("%s doesn't exist: exiting..." % vmbus_sys_path)21 exit(-1)22 23vmbus_dev_dict = {24 '{0e0b6031-5213-4934-818b-38d90ced39db}': '[Operating system shutdown]',25 '{9527e630-d0ae-497b-adce-e80ab0175caf}': '[Time Synchronization]',26 '{57164f39-9115-4e78-ab55-382f3bd5422d}': '[Heartbeat]',27 '{a9a0f4e7-5a45-4d96-b827-8a841e8c03e6}': '[Data Exchange]',28 '{35fa2e29-ea23-4236-96ae-3a6ebacba440}': '[Backup (volume checkpoint)]',29 '{34d14be3-dee4-41c8-9ae7-6b174977c192}': '[Guest services]',30 '{525074dc-8985-46e2-8057-a307dc18a502}': '[Dynamic Memory]',31 '{cfa8b69e-5b4a-4cc0-b98b-8ba1a1f3f95a}': 'Synthetic mouse',32 '{f912ad6d-2b17-48ea-bd65-f927a61c7684}': 'Synthetic keyboard',33 '{da0a7802-e377-4aac-8e77-0558eb1073f8}': 'Synthetic framebuffer adapter',34 '{f8615163-df3e-46c5-913f-f2d2f965ed0e}': 'Synthetic network adapter',35 '{32412632-86cb-44a2-9b5c-50d1417354f5}': 'Synthetic IDE Controller',36 '{ba6163d9-04a1-4d29-b605-72e2ffb1dc7f}': 'Synthetic SCSI Controller',37 '{2f9bcc4a-0069-4af3-b76b-6fd0be528cda}': 'Synthetic fiber channel adapter',38 '{8c2eaf3d-32a7-4b09-ab99-bd1f1c86b501}': 'Synthetic RDMA adapter',39 '{44c4f61d-4444-4400-9d52-802e27ede19f}': 'PCI Express pass-through',40 '{276aacf4-ac15-426c-98dd-7521ad3f01fe}': '[Reserved system device]',41 '{f8e65716-3cb3-4a06-9a60-1889c5cccab5}': '[Reserved system device]',42 '{3375baf4-9e15-4b30-b765-67acb10d607b}': '[Reserved system device]',43}44 45 46def get_vmbus_dev_attr(dev_name, attr):47 try:48 f = open('%s/%s/%s' % (vmbus_sys_path, dev_name, attr), 'r')49 lines = f.readlines()50 f.close()51 except IOError:52 lines = []53 54 return lines55 56 57class VMBus_Dev:58 pass59 60 61vmbus_dev_list = []62 63for f in os.listdir(vmbus_sys_path):64 vmbus_id = get_vmbus_dev_attr(f, 'id')[0].strip()65 class_id = get_vmbus_dev_attr(f, 'class_id')[0].strip()66 device_id = get_vmbus_dev_attr(f, 'device_id')[0].strip()67 dev_desc = vmbus_dev_dict.get(class_id, 'Unknown')68 69 chn_vp_mapping = get_vmbus_dev_attr(f, 'channel_vp_mapping')70 chn_vp_mapping = [c.strip() for c in chn_vp_mapping]71 chn_vp_mapping = sorted(72 chn_vp_mapping, key=lambda c: int(c.split(':')[0]))73 74 chn_vp_mapping = [75 '\tRel_ID=%s, target_cpu=%s' %76 (c.split(':')[0], c.split(':')[1]) for c in chn_vp_mapping77 ]78 d = VMBus_Dev()79 d.sysfs_path = '%s/%s' % (vmbus_sys_path, f)80 d.vmbus_id = vmbus_id81 d.class_id = class_id82 d.device_id = device_id83 d.dev_desc = dev_desc84 d.chn_vp_mapping = '\n'.join(chn_vp_mapping)85 if d.chn_vp_mapping:86 d.chn_vp_mapping += '\n'87 88 vmbus_dev_list.append(d)89 90 91vmbus_dev_list = sorted(vmbus_dev_list, key=lambda d: int(d.vmbus_id))92 93format0 = '%2s: %s'94format1 = '%2s: Class_ID = %s - %s\n%s'95format2 = '%2s: Class_ID = %s - %s\n\tDevice_ID = %s\n\tSysfs path: %s\n%s'96 97for d in vmbus_dev_list:98 if verbose == 0:99 print(('VMBUS ID ' + format0) % (d.vmbus_id, d.dev_desc))100 elif verbose == 1:101 print(102 ('VMBUS ID ' + format1) %103 (d.vmbus_id, d.class_id, d.dev_desc, d.chn_vp_mapping)104 )105 else:106 print(107 ('VMBUS ID ' + format2) %108 (109 d.vmbus_id, d.class_id, d.dev_desc,110 d.device_id, d.sysfs_path, d.chn_vp_mapping111 )112 )113