openstack/nova
Code Issues Proposed changes

Merge "libvirt: mdevs returning parent and vendor PCI info"

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Zuul 2018-09-20 21:58:40 +00:00 committed by Gerrit Code Review
commit c5a376e956
2 changed files with 13 additions and 0 deletions
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10
nova/tests/unit/virt/libvirt/test_driver.py
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@ -20270,6 +20270,7 @@ class LibvirtDriverTestCase(test.NoDBTestCase, TraitsComparisonMixin):
def test_get_vgpu_total(self, get_mdev_devs, get_mdevs):
get_mdev_devs.return_value = [
{'dev_id': 'pci_0000_84_00_0',
'vendor_id': 0x10de,
'types': {'nvidia-11': {'availableInstances': 14,
'name': 'GRID M60-0B',
'deviceAPI': 'vfio-pci'},
@ -20277,11 +20278,13 @@ class LibvirtDriverTestCase(test.NoDBTestCase, TraitsComparisonMixin):
get_mdevs.return_value = [
{'dev_id': 'mdev_4b20d080_1b54_4048_85b3_a6a62d165c01',
'uuid': "4b20d080-1b54-4048-85b3-a6a62d165c01",
'parent': 'pci_0000_84_00_0',
'type': 'nvidia-11',
'iommuGroup': 1
},
{'dev_id': 'mdev_4b20d080_1b54_4048_85b3_a6a62d165c02',
'uuid': "4b20d080-1b54-4048-85b3-a6a62d165c02",
'parent': 'pci_0000_84_00_0',
'type': 'nvidia-11',
'iommuGroup': 1
},
@ -20313,6 +20316,7 @@ class LibvirtDriverTestCase(test.NoDBTestCase, TraitsComparisonMixin):
drvr = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), False)
expected = [{"dev_id": "pci_0000_06_00_0",
"vendor_id": 0x10de,
"types": {'nvidia-11': {'availableInstances': 16,
'name': 'GRID M60-0B',
'deviceAPI': 'vfio-pci'},
@ -20359,6 +20363,7 @@ class LibvirtDriverTestCase(test.NoDBTestCase, TraitsComparisonMixin):
drvr = libvirt_driver.LibvirtDriver(fake.FakeVirtAPI(), False)
expected = [{"dev_id": "mdev_4b20d080_1b54_4048_85b3_a6a62d165c01",
"uuid": "4b20d080-1b54-4048-85b3-a6a62d165c01",
"parent": "pci_0000_00_02_0",
"type": "nvidia-11",
"iommu_group": 12
}]
@ -20482,6 +20487,7 @@ class LibvirtDriverTestCase(test.NoDBTestCase, TraitsComparisonMixin):
unallocated_mdevs.return_value = set()
get_mdev_capable_devs.return_value = [
{"dev_id": "pci_0000_06_00_0",
"vendor_id": 0x10de,
"types": {'nvidia-11': {'availableInstances': 16,
'name': 'GRID M60-0B',
'deviceAPI': 'vfio-pci'},
@ -20517,6 +20523,7 @@ class LibvirtDriverTestCase(test.NoDBTestCase, TraitsComparisonMixin):
# them being assigned
get_mdev_capable_devs.return_value = [
{"dev_id": "pci_0000_06_00_0",
"vendor_id": 0x10de,
"types": {'nvidia-11': {'availableInstances': 0,
'name': 'GRID M60-0B',
'deviceAPI': 'vfio-pci'},
@ -20536,10 +20543,12 @@ class LibvirtDriverTestCase(test.NoDBTestCase, TraitsComparisonMixin):
# there is a total of 2 mdevs, mdev1 and mdev2
get_mediated_devices.return_value = [{'dev_id': 'mdev_some_uuid1',
'uuid': uuids.mdev1,
'parent': "pci_some",
'type': 'nvidia-11',
'iommu_group': 1},
{'dev_id': 'mdev_some_uuid2',
'uuid': uuids.mdev2,
'parent': "pci_some",
'type': 'nvidia-11',
'iommu_group': 1}]
@ -20574,6 +20583,7 @@ class LibvirtDriverTestCase(test.NoDBTestCase, TraitsComparisonMixin):
exists.side_effect = _exists
get_mdev_capable_devs.return_value = [
{"dev_id": "pci_0000_06_00_0",
"vendor_id": 0x10de,
"types": {'nvidia-11': {'availableInstances': 16,
'name': 'GRID M60-0B',
'deviceAPI': 'vfio-pci'},

3
nova/virt/libvirt/driver.py
View File

@ -5994,6 +5994,7 @@ class LibvirtDriver(driver.ComputeDriver):
device = {
"dev_id": cfgdev.name,
"types": {},
"vendor_id": cfgdev.pci_capability.vendor_id,
}
for mdev_cap in cfgdev.pci_capability.mdev_capability:
for cap in mdev_cap.mdev_types:
@ -6034,6 +6035,8 @@ class LibvirtDriver(driver.ComputeDriver):
"dev_id": cfgdev.name,
# name is like mdev_00ead764_fdc0_46b6_8db9_2963f5c815b4
"uuid": str(uuid.UUID(cfgdev.name[5:].replace('_', '-'))),
# the physical GPU PCI device
"parent": cfgdev.parent,
"type": cfgdev.mdev_information.type,
"iommu_group": cfgdev.mdev_information.iommu_group,
}