| #!/usr/bin/env python |
| # SPDX-License-Identifier: GPL-2.0 |
| |
| 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', |
| '{44c4f61d-4444-4400-9d52-802e27ede19f}' : 'PCI Express pass-through', |
| '{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) |