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112 lines
3.5 KiB
112 lines
3.5 KiB
#!/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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