1 #!/usr/bin/env python
2 # SPDX-License-Identifier: GPL-2.0
3
4 import os
5 from optparse import OptionParser
6
7 parser = OptionParser()
8 parser.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
14 verbose = 0
15 if options.verbose is not None:
16 verbose = options.verbose
17
18 vmbus_sys_path = '/sys/bus/vmbus/devices'
19 if not os.path.isdir(vmbus_sys_path):
20 print("%s doesn't exist: exiting..." % vmbus_sys_path)
21 exit(-1)
22
23 vmbus_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 def 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
55 class VMBus_Dev:
56 pass
57
58
59 vmbus_dev_list = []
60
61 for 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
88 vmbus_dev_list = sorted(vmbus_dev_list, key = lambda d : int(d.vmbus_id))
89
90 format0 = '%2s: %s'
91 format1 = '%2s: Class_ID = %s - %s\n%s'
92 format2 = '%2s: Class_ID = %s - %s\n\tDevice_ID = %s\n\tSysfs path: %s\n%s'
93
94 for 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))
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.