xref: /openbmc/linux/tools/hv/lsvmbus (revision 4f38b9f2)
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	'{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
43def 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
53class VMBus_Dev:
54	pass
55
56
57vmbus_dev_list = []
58
59for 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
86vmbus_dev_list  = sorted(vmbus_dev_list, key = lambda d : int(d.vmbus_id))
87
88format0 = '%2s: %s'
89format1 = '%2s: Class_ID = %s - %s\n%s'
90format2 = '%2s: Class_ID = %s - %s\n\tDevice_ID = %s\n\tSysfs path: %s\n%s'
91
92for 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)
102