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TOMOYO Linux Cross Reference
Linux/tools/hv/lsvmbus

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  1 #!/usr/bin/env python
  2 
  3 import os
  4 from optparse import OptionParser
  5 
  6 parser = OptionParser()
  7 parser.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 
 13 verbose = 0
 14 if options.verbose is not None:
 15         verbose = options.verbose
 16 
 17 vmbus_sys_path = '/sys/bus/vmbus/devices'
 18 if not os.path.isdir(vmbus_sys_path):
 19         print "%s doesn't exist: exiting..." % vmbus_sys_path
 20         exit(-1)
 21 
 22 vmbus_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         '{276aacf4-ac15-426c-98dd-7521ad3f01fe}' : '[Reserved system device]',
 39         '{f8e65716-3cb3-4a06-9a60-1889c5cccab5}' : '[Reserved system device]',
 40         '{3375baf4-9e15-4b30-b765-67acb10d607b}' : '[Reserved system device]',
 41 }
 42 
 43 def get_vmbus_dev_attr(dev_name, attr):
 44         try:
 45                 f = open('%s/%s/%s' % (vmbus_sys_path, dev_name, attr), 'r')
 46                 lines = f.readlines()
 47                 f.close()
 48         except IOError:
 49                 lines = []
 50 
 51         return lines
 52 
 53 class VMBus_Dev:
 54         pass
 55 
 56 
 57 vmbus_dev_list = []
 58 
 59 for f in os.listdir(vmbus_sys_path):
 60         vmbus_id = get_vmbus_dev_attr(f, 'id')[0].strip()
 61         class_id = get_vmbus_dev_attr(f, 'class_id')[0].strip()
 62         device_id = get_vmbus_dev_attr(f, 'device_id')[0].strip()
 63         dev_desc = vmbus_dev_dict.get(class_id, 'Unknown')
 64 
 65         chn_vp_mapping = get_vmbus_dev_attr(f, 'channel_vp_mapping')
 66         chn_vp_mapping = [c.strip() for c in chn_vp_mapping]
 67         chn_vp_mapping = sorted(chn_vp_mapping,
 68                 key = lambda c : int(c.split(':')[0]))
 69 
 70         chn_vp_mapping = ['\tRel_ID=%s, target_cpu=%s' %
 71                                 (c.split(':')[0], c.split(':')[1])
 72                                         for c in chn_vp_mapping]
 73         d = VMBus_Dev()
 74         d.sysfs_path = '%s/%s' % (vmbus_sys_path, f)
 75         d.vmbus_id = vmbus_id
 76         d.class_id = class_id
 77         d.device_id = device_id
 78         d.dev_desc = dev_desc
 79         d.chn_vp_mapping = '\n'.join(chn_vp_mapping)
 80         if d.chn_vp_mapping:
 81                 d.chn_vp_mapping += '\n'
 82 
 83         vmbus_dev_list.append(d)
 84 
 85 
 86 vmbus_dev_list  = sorted(vmbus_dev_list, key = lambda d : int(d.vmbus_id))
 87 
 88 format0 = '%2s: %s'
 89 format1 = '%2s: Class_ID = %s - %s\n%s'
 90 format2 = '%2s: Class_ID = %s - %s\n\tDevice_ID = %s\n\tSysfs path: %s\n%s'
 91 
 92 for d in vmbus_dev_list:
 93         if verbose == 0:
 94                 print ('VMBUS ID ' + format0) % (d.vmbus_id, d.dev_desc)
 95         elif verbose == 1:
 96                 print ('VMBUS ID ' + format1) % \
 97                         (d.vmbus_id, d.class_id, d.dev_desc, d.chn_vp_mapping)
 98         else:
 99                 print ('VMBUS ID ' + format2) % \
100                         (d.vmbus_id, d.class_id, d.dev_desc, \
101                         d.device_id, d.sysfs_path, d.chn_vp_mapping)

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