mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-17 04:16:42 +07:00
552beb4930
lsvmbus keeps its own copy of all VMBus UUIDs, add PCIe pass-through device there to not report 'Unknown' for such devices. Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com> Signed-off-by: K. Y. Srinivasan <kys@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
103 lines
3.4 KiB
Python
103 lines
3.4 KiB
Python
#!/usr/bin/env python
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import os
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from optparse import OptionParser
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parser = OptionParser()
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parser.add_option("-v", "--verbose", dest="verbose",
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help="print verbose messages. Try -vv, -vvv for \
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more verbose messages", 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(chn_vp_mapping,
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key = lambda c : int(c.split(':')[0]))
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chn_vp_mapping = ['\tRel_ID=%s, target_cpu=%s' %
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(c.split(':')[0], c.split(':')[1])
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for c in chn_vp_mapping]
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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 ('VMBUS ID ' + format1) % \
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(d.vmbus_id, d.class_id, d.dev_desc, d.chn_vp_mapping)
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else:
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print ('VMBUS ID ' + format2) % \
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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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