1#!/usr/bin/env python 2# SPDX-License-Identifier: GPL-2.0 3 4import os 5from optparse import OptionParser 6 7parser = OptionParser() 8parser.add_option("-v", "--verbose", dest="verbose", 9 help="print verbose messages. Try -vv, -vvv for \ 10 more verbose messages", action="count") 11 12(options, args) = parser.parse_args() 13 14verbose = 0 15if options.verbose is not None: 16 verbose = options.verbose 17 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 45def get_vmbus_dev_attr(dev_name, attr): 46 try: 47 f = open('%s/%s/%s' % (vmbus_sys_path, dev_name, attr), 'r') 48 lines = f.readlines() 49 f.close() 50 except IOError: 51 lines = [] 52 53 return lines 54 55class VMBus_Dev: 56 pass 57 58 59vmbus_dev_list = [] 60 61for f in os.listdir(vmbus_sys_path): 62 vmbus_id = get_vmbus_dev_attr(f, 'id')[0].strip() 63 class_id = get_vmbus_dev_attr(f, 'class_id')[0].strip() 64 device_id = get_vmbus_dev_attr(f, 'device_id')[0].strip() 65 dev_desc = vmbus_dev_dict.get(class_id, 'Unknown') 66 67 chn_vp_mapping = get_vmbus_dev_attr(f, 'channel_vp_mapping') 68 chn_vp_mapping = [c.strip() for c in chn_vp_mapping] 69 chn_vp_mapping = sorted(chn_vp_mapping, 70 key = lambda c : int(c.split(':')[0])) 71 72 chn_vp_mapping = ['\tRel_ID=%s, target_cpu=%s' % 73 (c.split(':')[0], c.split(':')[1]) 74 for c in chn_vp_mapping] 75 d = VMBus_Dev() 76 d.sysfs_path = '%s/%s' % (vmbus_sys_path, f) 77 d.vmbus_id = vmbus_id 78 d.class_id = class_id 79 d.device_id = device_id 80 d.dev_desc = dev_desc 81 d.chn_vp_mapping = '\n'.join(chn_vp_mapping) 82 if d.chn_vp_mapping: 83 d.chn_vp_mapping += '\n' 84 85 vmbus_dev_list.append(d) 86 87 88vmbus_dev_list = sorted(vmbus_dev_list, key = lambda d : int(d.vmbus_id)) 89 90format0 = '%2s: %s' 91format1 = '%2s: Class_ID = %s - %s\n%s' 92format2 = '%2s: Class_ID = %s - %s\n\tDevice_ID = %s\n\tSysfs path: %s\n%s' 93 94for d in vmbus_dev_list: 95 if verbose == 0: 96 print(('VMBUS ID ' + format0) % (d.vmbus_id, d.dev_desc)) 97 elif verbose == 1: 98 print (('VMBUS ID ' + format1) % \ 99 (d.vmbus_id, d.class_id, d.dev_desc, d.chn_vp_mapping)) 100 else: 101 print (('VMBUS ID ' + format2) % \ 102 (d.vmbus_id, d.class_id, d.dev_desc, \ 103 d.device_id, d.sysfs_path, d.chn_vp_mapping)) 104