#!/usr/bin/env python
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# SPDX-License-Identifier: GPL-2.0
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import os
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from optparse import OptionParser
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help_msg = "print verbose messages. Try -vv, -vvv for more verbose messages"
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parser = OptionParser()
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parser.add_option(
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"-v", "--verbose", dest="verbose", help=help_msg, action="count")
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(options, args) = parser.parse_args()
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verbose = 0
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if options.verbose is not None:
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verbose = options.verbose
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vmbus_sys_path = '/sys/bus/vmbus/devices'
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if not os.path.isdir(vmbus_sys_path):
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print("%s doesn't exist: exiting..." % vmbus_sys_path)
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exit(-1)
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vmbus_dev_dict = {
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'{0e0b6031-5213-4934-818b-38d90ced39db}': '[Operating system shutdown]',
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'{9527e630-d0ae-497b-adce-e80ab0175caf}': '[Time Synchronization]',
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'{57164f39-9115-4e78-ab55-382f3bd5422d}': '[Heartbeat]',
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'{a9a0f4e7-5a45-4d96-b827-8a841e8c03e6}': '[Data Exchange]',
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'{35fa2e29-ea23-4236-96ae-3a6ebacba440}': '[Backup (volume checkpoint)]',
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'{34d14be3-dee4-41c8-9ae7-6b174977c192}': '[Guest services]',
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'{525074dc-8985-46e2-8057-a307dc18a502}': '[Dynamic Memory]',
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'{cfa8b69e-5b4a-4cc0-b98b-8ba1a1f3f95a}': 'Synthetic mouse',
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'{f912ad6d-2b17-48ea-bd65-f927a61c7684}': 'Synthetic keyboard',
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'{da0a7802-e377-4aac-8e77-0558eb1073f8}': 'Synthetic framebuffer adapter',
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'{f8615163-df3e-46c5-913f-f2d2f965ed0e}': 'Synthetic network adapter',
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'{32412632-86cb-44a2-9b5c-50d1417354f5}': 'Synthetic IDE Controller',
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'{ba6163d9-04a1-4d29-b605-72e2ffb1dc7f}': 'Synthetic SCSI Controller',
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'{2f9bcc4a-0069-4af3-b76b-6fd0be528cda}': 'Synthetic fiber channel adapter',
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'{8c2eaf3d-32a7-4b09-ab99-bd1f1c86b501}': 'Synthetic RDMA adapter',
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'{44c4f61d-4444-4400-9d52-802e27ede19f}': 'PCI Express pass-through',
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'{276aacf4-ac15-426c-98dd-7521ad3f01fe}': '[Reserved system device]',
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'{f8e65716-3cb3-4a06-9a60-1889c5cccab5}': '[Reserved system device]',
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'{3375baf4-9e15-4b30-b765-67acb10d607b}': '[Reserved system device]',
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}
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def get_vmbus_dev_attr(dev_name, attr):
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try:
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f = open('%s/%s/%s' % (vmbus_sys_path, dev_name, attr), 'r')
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lines = f.readlines()
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f.close()
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except IOError:
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lines = []
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return lines
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class VMBus_Dev:
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pass
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vmbus_dev_list = []
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for f in os.listdir(vmbus_sys_path):
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vmbus_id = get_vmbus_dev_attr(f, 'id')[0].strip()
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class_id = get_vmbus_dev_attr(f, 'class_id')[0].strip()
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device_id = get_vmbus_dev_attr(f, 'device_id')[0].strip()
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dev_desc = vmbus_dev_dict.get(class_id, 'Unknown')
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chn_vp_mapping = get_vmbus_dev_attr(f, 'channel_vp_mapping')
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chn_vp_mapping = [c.strip() for c in chn_vp_mapping]
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chn_vp_mapping = sorted(
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chn_vp_mapping, key=lambda c: int(c.split(':')[0]))
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chn_vp_mapping = [
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'\tRel_ID=%s, target_cpu=%s' %
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(c.split(':')[0], c.split(':')[1]) for c in chn_vp_mapping
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]
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d = VMBus_Dev()
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d.sysfs_path = '%s/%s' % (vmbus_sys_path, f)
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d.vmbus_id = vmbus_id
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d.class_id = class_id
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d.device_id = device_id
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d.dev_desc = dev_desc
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d.chn_vp_mapping = '\n'.join(chn_vp_mapping)
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if d.chn_vp_mapping:
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d.chn_vp_mapping += '\n'
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vmbus_dev_list.append(d)
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vmbus_dev_list = sorted(vmbus_dev_list, key=lambda d: int(d.vmbus_id))
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format0 = '%2s: %s'
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format1 = '%2s: Class_ID = %s - %s\n%s'
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format2 = '%2s: Class_ID = %s - %s\n\tDevice_ID = %s\n\tSysfs path: %s\n%s'
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for d in vmbus_dev_list:
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if verbose == 0:
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print(('VMBUS ID ' + format0) % (d.vmbus_id, d.dev_desc))
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elif verbose == 1:
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print(
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('VMBUS ID ' + format1) %
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(d.vmbus_id, d.class_id, d.dev_desc, d.chn_vp_mapping)
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)
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else:
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print(
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('VMBUS ID ' + format2) %
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(
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d.vmbus_id, d.class_id, d.dev_desc,
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d.device_id, d.sysfs_path, d.chn_vp_mapping
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)
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)
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