linux-imx/tools/hv/lsvmbus
Vitaly Kuznetsov 552beb4930 tools: hv: lsvmbus: add pci pass-through UUID
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>
2016-05-01 09:23:14 -07:00

3.4 KiB

#!/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', '{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)