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kernel/linux-rt-4.4.41/tools/hv/lsvmbus 3.36 KB
5113f6f70   김현기   kernel add
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  #!/usr/bin/env python
  
  import os
  from optparse import OptionParser
  
  parser = OptionParser()
  parser.add_option("-v", "--verbose", dest="verbose",
  		   help="print verbose messages. Try -vv, -vvv for \
  			more verbose messages", action="count")
  
  (options, args) = parser.parse_args()
  
  verbose = 0
  if options.verbose is not None:
  	verbose = options.verbose
  
  vmbus_sys_path = '/sys/bus/vmbus/devices'
  if not os.path.isdir(vmbus_sys_path):
  	print "%s doesn't exist: exiting..." % vmbus_sys_path
  	exit(-1)
  
  vmbus_dev_dict = {
  	'{0e0b6031-5213-4934-818b-38d90ced39db}' : '[Operating system shutdown]',
  	'{9527e630-d0ae-497b-adce-e80ab0175caf}' : '[Time Synchronization]',
  	'{57164f39-9115-4e78-ab55-382f3bd5422d}' : '[Heartbeat]',
  	'{a9a0f4e7-5a45-4d96-b827-8a841e8c03e6}' : '[Data Exchange]',
  	'{35fa2e29-ea23-4236-96ae-3a6ebacba440}' : '[Backup (volume checkpoint)]',
  	'{34d14be3-dee4-41c8-9ae7-6b174977c192}' : '[Guest services]',
  	'{525074dc-8985-46e2-8057-a307dc18a502}' : '[Dynamic Memory]',
  	'{cfa8b69e-5b4a-4cc0-b98b-8ba1a1f3f95a}' : 'Synthetic mouse',
  	'{f912ad6d-2b17-48ea-bd65-f927a61c7684}' : 'Synthetic keyboard',
  	'{da0a7802-e377-4aac-8e77-0558eb1073f8}' : 'Synthetic framebuffer adapter',
  	'{f8615163-df3e-46c5-913f-f2d2f965ed0e}' : 'Synthetic network adapter',
  	'{32412632-86cb-44a2-9b5c-50d1417354f5}' : 'Synthetic IDE Controller',
  	'{ba6163d9-04a1-4d29-b605-72e2ffb1dc7f}' : 'Synthetic SCSI Controller',
  	'{2f9bcc4a-0069-4af3-b76b-6fd0be528cda}' : 'Synthetic fiber channel adapter',
  	'{8c2eaf3d-32a7-4b09-ab99-bd1f1c86b501}' : 'Synthetic RDMA adapter',
  	'{276aacf4-ac15-426c-98dd-7521ad3f01fe}' : '[Reserved system device]',
  	'{f8e65716-3cb3-4a06-9a60-1889c5cccab5}' : '[Reserved system device]',
  	'{3375baf4-9e15-4b30-b765-67acb10d607b}' : '[Reserved system device]',
  }
  
  def get_vmbus_dev_attr(dev_name, attr):
  	try:
  		f = open('%s/%s/%s' % (vmbus_sys_path, dev_name, attr), 'r')
  		lines = f.readlines()
  		f.close()
  	except IOError:
  		lines = []
  
  	return lines
  
  class VMBus_Dev:
  	pass
  
  
  vmbus_dev_list = []
  
  for f in os.listdir(vmbus_sys_path):
  	vmbus_id = get_vmbus_dev_attr(f, 'id')[0].strip()
  	class_id = get_vmbus_dev_attr(f, 'class_id')[0].strip()
  	device_id = get_vmbus_dev_attr(f, 'device_id')[0].strip()
  	dev_desc = vmbus_dev_dict.get(class_id, 'Unknown')
  
  	chn_vp_mapping = get_vmbus_dev_attr(f, 'channel_vp_mapping')
  	chn_vp_mapping = [c.strip() for c in chn_vp_mapping]
  	chn_vp_mapping = sorted(chn_vp_mapping,
  		key = lambda c : int(c.split(':')[0]))
  
  	chn_vp_mapping = ['\tRel_ID=%s, target_cpu=%s' %
  				(c.split(':')[0], c.split(':')[1])
  					for c in chn_vp_mapping]
  	d = VMBus_Dev()
  	d.sysfs_path = '%s/%s' % (vmbus_sys_path, f)
  	d.vmbus_id = vmbus_id
  	d.class_id = class_id
  	d.device_id = device_id
  	d.dev_desc = dev_desc
  	d.chn_vp_mapping = '
  '.join(chn_vp_mapping)
  	if d.chn_vp_mapping:
  		d.chn_vp_mapping += '
  '
  
  	vmbus_dev_list.append(d)
  
  
  vmbus_dev_list  = sorted(vmbus_dev_list, key = lambda d : int(d.vmbus_id))
  
  format0 = '%2s: %s'
  format1 = '%2s: Class_ID = %s - %s
  %s'
  format2 = '%2s: Class_ID = %s - %s
  \tDevice_ID = %s
  \tSysfs path: %s
  %s'
  
  for d in vmbus_dev_list:
  	if verbose == 0:
  		print ('VMBUS ID ' + format0) % (d.vmbus_id, d.dev_desc)
  	elif verbose == 1:
  		print ('VMBUS ID ' + format1) %	\
  			(d.vmbus_id, d.class_id, d.dev_desc, d.chn_vp_mapping)
  	else:
  		print ('VMBUS ID ' + format2) % \
  			(d.vmbus_id, d.class_id, d.dev_desc, \
  			d.device_id, d.sysfs_path, d.chn_vp_mapping)