mirror of
https://github.com/torvalds/linux.git
synced 2024-11-24 13:11:40 +00:00
502d84bd1a
By default lsvmbus lists all the devices in the VMBus. With -v or -vv, more information is printed, including the VMBus Rel_ID, class ID, device ID and which channel is bound to which virtual processor, etc. Signed-off-by: Dexuan Cui <decui@microsoft.com> Signed-off-by: K. Y. Srinivasan <kys@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
102 lines
3.4 KiB
Python
102 lines
3.4 KiB
Python
#!/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 = '\n'.join(chn_vp_mapping)
|
|
if d.chn_vp_mapping:
|
|
d.chn_vp_mapping += '\n'
|
|
|
|
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\n%s'
|
|
format2 = '%2s: Class_ID = %s - %s\n\tDevice_ID = %s\n\tSysfs path: %s\n%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)
|