xref: /linux/tools/hv/lsvmbus (revision 502d84bd1aa2445b13ff75e8ac2a39d249f791ee)
1*502d84bdSDexuan Cui#!/usr/bin/env python
2*502d84bdSDexuan Cui
3*502d84bdSDexuan Cuiimport os
4*502d84bdSDexuan Cuifrom optparse import OptionParser
5*502d84bdSDexuan Cui
6*502d84bdSDexuan Cuiparser = OptionParser()
7*502d84bdSDexuan Cuiparser.add_option("-v", "--verbose", dest="verbose",
8*502d84bdSDexuan Cui		   help="print verbose messages. Try -vv, -vvv for \
9*502d84bdSDexuan Cui			more verbose messages", action="count")
10*502d84bdSDexuan Cui
11*502d84bdSDexuan Cui(options, args) = parser.parse_args()
12*502d84bdSDexuan Cui
13*502d84bdSDexuan Cuiverbose = 0
14*502d84bdSDexuan Cuiif options.verbose is not None:
15*502d84bdSDexuan Cui	verbose = options.verbose
16*502d84bdSDexuan Cui
17*502d84bdSDexuan Cuivmbus_sys_path = '/sys/bus/vmbus/devices'
18*502d84bdSDexuan Cuiif not os.path.isdir(vmbus_sys_path):
19*502d84bdSDexuan Cui	print "%s doesn't exist: exiting..." % vmbus_sys_path
20*502d84bdSDexuan Cui	exit(-1)
21*502d84bdSDexuan Cui
22*502d84bdSDexuan Cuivmbus_dev_dict = {
23*502d84bdSDexuan Cui	'{0e0b6031-5213-4934-818b-38d90ced39db}' : '[Operating system shutdown]',
24*502d84bdSDexuan Cui	'{9527e630-d0ae-497b-adce-e80ab0175caf}' : '[Time Synchronization]',
25*502d84bdSDexuan Cui	'{57164f39-9115-4e78-ab55-382f3bd5422d}' : '[Heartbeat]',
26*502d84bdSDexuan Cui	'{a9a0f4e7-5a45-4d96-b827-8a841e8c03e6}' : '[Data Exchange]',
27*502d84bdSDexuan Cui	'{35fa2e29-ea23-4236-96ae-3a6ebacba440}' : '[Backup (volume checkpoint)]',
28*502d84bdSDexuan Cui	'{34d14be3-dee4-41c8-9ae7-6b174977c192}' : '[Guest services]',
29*502d84bdSDexuan Cui	'{525074dc-8985-46e2-8057-a307dc18a502}' : '[Dynamic Memory]',
30*502d84bdSDexuan Cui	'{cfa8b69e-5b4a-4cc0-b98b-8ba1a1f3f95a}' : 'Synthetic mouse',
31*502d84bdSDexuan Cui	'{f912ad6d-2b17-48ea-bd65-f927a61c7684}' : 'Synthetic keyboard',
32*502d84bdSDexuan Cui	'{da0a7802-e377-4aac-8e77-0558eb1073f8}' : 'Synthetic framebuffer adapter',
33*502d84bdSDexuan Cui	'{f8615163-df3e-46c5-913f-f2d2f965ed0e}' : 'Synthetic network adapter',
34*502d84bdSDexuan Cui	'{32412632-86cb-44a2-9b5c-50d1417354f5}' : 'Synthetic IDE Controller',
35*502d84bdSDexuan Cui	'{ba6163d9-04a1-4d29-b605-72e2ffb1dc7f}' : 'Synthetic SCSI Controller',
36*502d84bdSDexuan Cui	'{2f9bcc4a-0069-4af3-b76b-6fd0be528cda}' : 'Synthetic fiber channel adapter',
37*502d84bdSDexuan Cui	'{8c2eaf3d-32a7-4b09-ab99-bd1f1c86b501}' : 'Synthetic RDMA adapter',
38*502d84bdSDexuan Cui	'{276aacf4-ac15-426c-98dd-7521ad3f01fe}' : '[Reserved system device]',
39*502d84bdSDexuan Cui	'{f8e65716-3cb3-4a06-9a60-1889c5cccab5}' : '[Reserved system device]',
40*502d84bdSDexuan Cui	'{3375baf4-9e15-4b30-b765-67acb10d607b}' : '[Reserved system device]',
41*502d84bdSDexuan Cui}
42*502d84bdSDexuan Cui
43*502d84bdSDexuan Cuidef get_vmbus_dev_attr(dev_name, attr):
44*502d84bdSDexuan Cui	try:
45*502d84bdSDexuan Cui		f = open('%s/%s/%s' % (vmbus_sys_path, dev_name, attr), 'r')
46*502d84bdSDexuan Cui		lines = f.readlines()
47*502d84bdSDexuan Cui		f.close()
48*502d84bdSDexuan Cui	except IOError:
49*502d84bdSDexuan Cui		lines = []
50*502d84bdSDexuan Cui
51*502d84bdSDexuan Cui	return lines
52*502d84bdSDexuan Cui
53*502d84bdSDexuan Cuiclass VMBus_Dev:
54*502d84bdSDexuan Cui	pass
55*502d84bdSDexuan Cui
56*502d84bdSDexuan Cui
57*502d84bdSDexuan Cuivmbus_dev_list = []
58*502d84bdSDexuan Cui
59*502d84bdSDexuan Cuifor f in os.listdir(vmbus_sys_path):
60*502d84bdSDexuan Cui	vmbus_id = get_vmbus_dev_attr(f, 'id')[0].strip()
61*502d84bdSDexuan Cui	class_id = get_vmbus_dev_attr(f, 'class_id')[0].strip()
62*502d84bdSDexuan Cui	device_id = get_vmbus_dev_attr(f, 'device_id')[0].strip()
63*502d84bdSDexuan Cui	dev_desc = vmbus_dev_dict.get(class_id, 'Unknown')
64*502d84bdSDexuan Cui
65*502d84bdSDexuan Cui	chn_vp_mapping = get_vmbus_dev_attr(f, 'channel_vp_mapping')
66*502d84bdSDexuan Cui	chn_vp_mapping = [c.strip() for c in chn_vp_mapping]
67*502d84bdSDexuan Cui	chn_vp_mapping = sorted(chn_vp_mapping,
68*502d84bdSDexuan Cui		key = lambda c : int(c.split(':')[0]))
69*502d84bdSDexuan Cui
70*502d84bdSDexuan Cui	chn_vp_mapping = ['\tRel_ID=%s, target_cpu=%s' %
71*502d84bdSDexuan Cui				(c.split(':')[0], c.split(':')[1])
72*502d84bdSDexuan Cui					for c in chn_vp_mapping]
73*502d84bdSDexuan Cui	d = VMBus_Dev()
74*502d84bdSDexuan Cui	d.sysfs_path = '%s/%s' % (vmbus_sys_path, f)
75*502d84bdSDexuan Cui	d.vmbus_id = vmbus_id
76*502d84bdSDexuan Cui	d.class_id = class_id
77*502d84bdSDexuan Cui	d.device_id = device_id
78*502d84bdSDexuan Cui	d.dev_desc = dev_desc
79*502d84bdSDexuan Cui	d.chn_vp_mapping = '\n'.join(chn_vp_mapping)
80*502d84bdSDexuan Cui	if d.chn_vp_mapping:
81*502d84bdSDexuan Cui		d.chn_vp_mapping += '\n'
82*502d84bdSDexuan Cui
83*502d84bdSDexuan Cui	vmbus_dev_list.append(d)
84*502d84bdSDexuan Cui
85*502d84bdSDexuan Cui
86*502d84bdSDexuan Cuivmbus_dev_list  = sorted(vmbus_dev_list, key = lambda d : int(d.vmbus_id))
87*502d84bdSDexuan Cui
88*502d84bdSDexuan Cuiformat0 = '%2s: %s'
89*502d84bdSDexuan Cuiformat1 = '%2s: Class_ID = %s - %s\n%s'
90*502d84bdSDexuan Cuiformat2 = '%2s: Class_ID = %s - %s\n\tDevice_ID = %s\n\tSysfs path: %s\n%s'
91*502d84bdSDexuan Cui
92*502d84bdSDexuan Cuifor d in vmbus_dev_list:
93*502d84bdSDexuan Cui	if verbose == 0:
94*502d84bdSDexuan Cui		print ('VMBUS ID ' + format0) % (d.vmbus_id, d.dev_desc)
95*502d84bdSDexuan Cui	elif verbose == 1:
96*502d84bdSDexuan Cui		print ('VMBUS ID ' + format1) %	\
97*502d84bdSDexuan Cui			(d.vmbus_id, d.class_id, d.dev_desc, d.chn_vp_mapping)
98*502d84bdSDexuan Cui	else:
99*502d84bdSDexuan Cui		print ('VMBUS ID ' + format2) % \
100*502d84bdSDexuan Cui			(d.vmbus_id, d.class_id, d.dev_desc, \
101*502d84bdSDexuan Cui			d.device_id, d.sysfs_path, d.chn_vp_mapping)
102