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Implementation of getting the iommu pci devices address #1151

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Oct 24, 2017
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Implementation of getting the iommu pci devices address #1151

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54 changes: 40 additions & 14 deletions virttest/libvirt_xml/nodedev_xml.py
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Original file line number Diff line number Diff line change
Expand Up @@ -126,22 +126,42 @@ class for capability whose type is pci.
"""

# Example:
#<capability type='pci'>
# <domain>0</domain>
# <bus>7</bus>
# <slot>0</slot>
# <function>0</function>
# <product id='0x1521'>I350 Gigabit Network Connection</product>
# <vendor id='0x8086'>Intel Corporation</vendor>
# <capability type='virt_functions'>
# <address domain='0x0000' bus='0x08' slot='0x10' function='0x0'/>
# <address domain='0x0000' bus='0x08' slot='0x10' function='0x4'/>
# </capability>
# <numa node='0'/>
#</capability>
# <capability type='pci'>
# <domain>0</domain>
# <bus>7</bus>
# <slot>0</slot>
# <function>0</function>
# <product id='0x1521'>I350 Gigabit Network Connection</product>
# <vendor id='0x8086'>Intel Corporation</vendor>
# <capability type='virt_functions'>
# <address domain='0x0000' bus='0x08' slot='0x10' function='0x0'/>
# <address domain='0x0000' bus='0x08' slot='0x10' function='0x4'/>
# </capability>
# <numa node='0'/>
# </capability>

# or the Example of iommu:
# <capability type="pci">
# <domain>0</domain>
# <bus>4</bus>
# <slot>0</slot>
# <function>1</function>
# <product id="0x1639">NetXtreme II BCM5709 Gigabit Ethernet</product>
# <vendor id="0x14e4">Broadcom Limited</vendor>
# <iommuGroup number="15">
# <address bus="0x04" domain="0x0000" function="0x0" slot="0x00" />
# <address bus="0x04" domain="0x0000" function="0x1" slot="0x00" />
# </iommuGroup>
# <numa node="0" />
# <pci-express>
# <link port="0" speed="5" validity="cap" width="4" />
# <link speed="5" validity="sta" width="4" />
# </pci-express>
# </capability>

__slots__ = ('domain', 'bus', 'slot', 'function', 'product_id',
'vendor_id', 'virt_functions', 'numa_node')
'vendor_id', 'virt_functions', 'numa_node',
'iommuGroup_number', 'iommuGroup_address')

def __init__(self, virsh_instance=base.virsh):
accessors.XMLElementInt('domain', self, parent_xpath='/',
Expand All @@ -158,6 +178,12 @@ def __init__(self, virsh_instance=base.virsh):
tag_name='vendor', attribute='id')
accessors.XMLAttribute('numa_node', self, parent_xpath='/',
tag_name='numa', attribute='node')
accessors.XMLAttribute('iommuGroup_number', self, parent_xpath='/',
tag_name='iommuGroup', attribute='number')
accessors.XMLElementList('iommuGroup_address', self,
parent_xpath='/iommuGroup',
marshal_from=self.marshal_from_address,
marshal_to=self.marshal_to_address)
accessors.XMLElementList('virt_functions', self,
parent_xpath='/capability',
marshal_from=self.marshal_from_address,
Expand Down