1#!/usr/bin/env python 2 3import os 4from optparse import OptionParser 5 6parser = OptionParser() 7parser.add_option("-v", "--verbose", dest="verbose", 8 help="print verbose messages. Try -vv, -vvv for \ 9 more verbose messages", action="count") 10 11(options, args) = parser.parse_args() 12 13verbose = 0 14if options.verbose is not None: 15 verbose = options.verbose 16 17vmbus_sys_path = '/sys/bus/vmbus/devices' 18if not os.path.isdir(vmbus_sys_path): 19 print "%s doesn't exist: exiting..." % vmbus_sys_path 20 exit(-1) 21 22vmbus_dev_dict = { 23 '{0e0b6031-5213-4934-818b-38d90ced39db}' : '[Operating system shutdown]', 24 '{9527e630-d0ae-497b-adce-e80ab0175caf}' : '[Time Synchronization]', 25 '{57164f39-9115-4e78-ab55-382f3bd5422d}' : '[Heartbeat]', 26 '{a9a0f4e7-5a45-4d96-b827-8a841e8c03e6}' : '[Data Exchange]', 27 '{35fa2e29-ea23-4236-96ae-3a6ebacba440}' : '[Backup (volume checkpoint)]', 28 '{34d14be3-dee4-41c8-9ae7-6b174977c192}' : '[Guest services]', 29 '{525074dc-8985-46e2-8057-a307dc18a502}' : '[Dynamic Memory]', 30 '{cfa8b69e-5b4a-4cc0-b98b-8ba1a1f3f95a}' : 'Synthetic mouse', 31 '{f912ad6d-2b17-48ea-bd65-f927a61c7684}' : 'Synthetic keyboard', 32 '{da0a7802-e377-4aac-8e77-0558eb1073f8}' : 'Synthetic framebuffer adapter', 33 '{f8615163-df3e-46c5-913f-f2d2f965ed0e}' : 'Synthetic network adapter', 34 '{32412632-86cb-44a2-9b5c-50d1417354f5}' : 'Synthetic IDE Controller', 35 '{ba6163d9-04a1-4d29-b605-72e2ffb1dc7f}' : 'Synthetic SCSI Controller', 36 '{2f9bcc4a-0069-4af3-b76b-6fd0be528cda}' : 'Synthetic fiber channel adapter', 37 '{8c2eaf3d-32a7-4b09-ab99-bd1f1c86b501}' : 'Synthetic RDMA adapter', 38 '{44c4f61d-4444-4400-9d52-802e27ede19f}' : 'PCI Express pass-through', 39 '{276aacf4-ac15-426c-98dd-7521ad3f01fe}' : '[Reserved system device]', 40 '{f8e65716-3cb3-4a06-9a60-1889c5cccab5}' : '[Reserved system device]', 41 '{3375baf4-9e15-4b30-b765-67acb10d607b}' : '[Reserved system device]', 42} 43 44def get_vmbus_dev_attr(dev_name, attr): 45 try: 46 f = open('%s/%s/%s' % (vmbus_sys_path, dev_name, attr), 'r') 47 lines = f.readlines() 48 f.close() 49 except IOError: 50 lines = [] 51 52 return lines 53 54class VMBus_Dev: 55 pass 56 57 58vmbus_dev_list = [] 59 60for f in os.listdir(vmbus_sys_path): 61 vmbus_id = get_vmbus_dev_attr(f, 'id')[0].strip() 62 class_id = get_vmbus_dev_attr(f, 'class_id')[0].strip() 63 device_id = get_vmbus_dev_attr(f, 'device_id')[0].strip() 64 dev_desc = vmbus_dev_dict.get(class_id, 'Unknown') 65 66 chn_vp_mapping = get_vmbus_dev_attr(f, 'channel_vp_mapping') 67 chn_vp_mapping = [c.strip() for c in chn_vp_mapping] 68 chn_vp_mapping = sorted(chn_vp_mapping, 69 key = lambda c : int(c.split(':')[0])) 70 71 chn_vp_mapping = ['\tRel_ID=%s, target_cpu=%s' % 72 (c.split(':')[0], c.split(':')[1]) 73 for c in chn_vp_mapping] 74 d = VMBus_Dev() 75 d.sysfs_path = '%s/%s' % (vmbus_sys_path, f) 76 d.vmbus_id = vmbus_id 77 d.class_id = class_id 78 d.device_id = device_id 79 d.dev_desc = dev_desc 80 d.chn_vp_mapping = '\n'.join(chn_vp_mapping) 81 if d.chn_vp_mapping: 82 d.chn_vp_mapping += '\n' 83 84 vmbus_dev_list.append(d) 85 86 87vmbus_dev_list = sorted(vmbus_dev_list, key = lambda d : int(d.vmbus_id)) 88 89format0 = '%2s: %s' 90format1 = '%2s: Class_ID = %s - %s\n%s' 91format2 = '%2s: Class_ID = %s - %s\n\tDevice_ID = %s\n\tSysfs path: %s\n%s' 92 93for d in vmbus_dev_list: 94 if verbose == 0: 95 print ('VMBUS ID ' + format0) % (d.vmbus_id, d.dev_desc) 96 elif verbose == 1: 97 print ('VMBUS ID ' + format1) % \ 98 (d.vmbus_id, d.class_id, d.dev_desc, d.chn_vp_mapping) 99 else: 100 print ('VMBUS ID ' + format2) % \ 101 (d.vmbus_id, d.class_id, d.dev_desc, \ 102 d.device_id, d.sysfs_path, d.chn_vp_mapping) 103