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xml: nodedev: add class info for pci capability

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This info can be useful to filter devices visible
to mgmt clients so that they won't see devices that
unsafe/not meaningful to pass thru.

Provide class info the way it is provided by udev or
kernel that is as single 6-digit hexadecimal.

Class element is not optional. I guess this should not
break users that use virNodeDeviceCreateXML because
they probably specify only scsi_host capability on
input and then node device driver gets other capabilities
from udev after device appeared.

HAL driver does not get support for the new element in
this patch.

Signed-off-by: Nikolay Shirokovskiy <nshirokovskiy@virtuozzo.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
This commit is contained in:
Nikolay Shirokovskiy 2019-02-19 15:41:37 +03:00
parent 0eca80e606
commit 3bd4ed4630
16 changed files with 36 additions and 0 deletions
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5
docs/formatnode.html.in
View File

@ -70,6 +70,10 @@
<dd>Describes a device on the host's PCI bus. Sub-elements
include:
<dl>
<dt><code>class</code></dt>
<dd>Combined class, subclass and
programming interface codes as 6-digit hexadecimal number.
<span class="since">Since 5.2.0</span></dd>
<dt><code>domain</code></dt>
<dd>Which domain the device belongs to.</dd>
<dt><code>bus</code></dt>
@ -381,6 +385,7 @@
&lt;name&gt;igb&lt;/name&gt;
&lt;/driver&gt;
&lt;capability type='pci'&gt;
&lt;class&gt;0x020000&lt;/class&gt;
&lt;domain&gt;0&lt;/domain&gt;
&lt;bus&gt;2&lt;/bus&gt;
&lt;slot&gt;0&lt;/slot&gt;

5
docs/schemas/nodedev.rng
View File

@ -133,6 +133,11 @@
<value>pci</value>
</attribute>
<element name='class'>
<data type="string">
<param name="pattern">0x[0-9a-fA-F]{6}</param>
</data>
</element>
<element name='domain'>
<ref name='unsignedLong'/>
</element>

13
src/conf/node_device_conf.c
View File

@ -208,6 +208,7 @@ virNodeDeviceCapPCIDefFormat(virBufferPtr buf,
{
size_t i;
virBufferAsprintf(buf, "<class>0x%.6x</class>\n", data->pci_dev.klass);
virBufferAsprintf(buf, "<domain>%d</domain>\n",
data->pci_dev.domain);
virBufferAsprintf(buf, "<bus>%d</bus>\n", data->pci_dev.bus);
@ -1644,6 +1645,18 @@ virNodeDevCapPCIDevParseXML(xmlXPathContextPtr ctxt,
orignode = ctxt->node;
ctxt->node = node;
if (virNodeDevCapsDefParseHexId("string(./class[1])", ctxt,
&pci_dev->klass, def,
_("no PCI class supplied for '%s'"),
_("invalid PCI class supplied for '%s'")) < 0)
goto out;
if (pci_dev->klass > 0xffffff) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("invalid PCI class supplied for '%s'"), def->name);
goto out;
}
if (virNodeDevCapsDefParseULong("number(./domain[1])", ctxt,
&pci_dev->domain, def,
_("no PCI domain ID supplied for '%s'"),

1
tests/nodedevschemadata/pci_0000_00_02_0_header_type.xml
View File

@ -2,6 +2,7 @@
<name>pci_0000_00_02_0</name>
<parent>computer</parent>
<capability type='pci'>
<class>0xffffff</class>
<domain>0</domain>
<bus>0</bus>
<slot>2</slot>

1
tests/nodedevschemadata/pci_0000_00_1c_0_header_type.xml
View File

@ -2,6 +2,7 @@
<name>pci_0000_00_1c_0</name>
<parent>computer</parent>
<capability type='pci'>
<class>0xffffff</class>
<domain>0</domain>
<bus>0</bus>
<slot>28</slot>

1
tests/nodedevschemadata/pci_0000_02_10_7_mdev_types.xml
View File

@ -2,6 +2,7 @@
<name>pci_0000_02_10_7</name>
<parent>pci_0000_00_04_0</parent>
<capability type='pci'>
<class>0xffffff</class>
<domain>0</domain>
<bus>2</bus>
<slot>16</slot>

1
tests/nodedevschemadata/pci_0000_02_10_7_sriov.xml
View File

@ -2,6 +2,7 @@
<name>pci_0000_02_10_7</name>
<parent>pci_0000_00_04_0</parent>
<capability type='pci'>
<class>0xffffff</class>
<domain>0</domain>
<bus>2</bus>
<slot>16</slot>

1
tests/nodedevschemadata/pci_0000_02_10_7_sriov_pf_vfs_all.xml
View File

@ -2,6 +2,7 @@
<name>pci_0000_02_10_7</name>
<parent>pci_0000_00_04_0</parent>
<capability type='pci'>
<class>0xffffff</class>
<domain>0</domain>
<bus>2</bus>
<slot>16</slot>

1
tests/nodedevschemadata/pci_0000_02_10_7_sriov_pf_vfs_all_header_type.xml
View File

@ -2,6 +2,7 @@
<name>pci_0000_02_10_7</name>
<parent>pci_0000_00_04_0</parent>
<capability type='pci'>
<class>0xffffff</class>
<domain>0</domain>
<bus>2</bus>
<slot>16</slot>

1
tests/nodedevschemadata/pci_0000_02_10_7_sriov_vfs.xml
View File

@ -2,6 +2,7 @@
<name>pci_0000_02_10_7</name>
<parent>pci_0000_00_04_0</parent>
<capability type='pci'>
<class>0xffffff</class>
<domain>0</domain>
<bus>2</bus>
<slot>16</slot>

1
tests/nodedevschemadata/pci_0000_02_10_7_sriov_zero_vfs_max_count.xml
View File

@ -2,6 +2,7 @@
<name>pci_0000_02_10_7</name>
<parent>pci_0000_00_04_0</parent>
<capability type='pci'>
<class>0xffffff</class>
<domain>0</domain>
<bus>2</bus>
<slot>16</slot>

1
tests/nodedevschemadata/pci_1002_71c4.xml
View File

@ -2,6 +2,7 @@
<name>pci_1002_71c4</name>
<parent>pci_8086_27a1</parent>
<capability type='pci'>
<class>0xffffff</class>
<domain>0</domain>
<bus>1</bus>
<slot>0</slot>

1
tests/nodedevschemadata/pci_8086_0c0c_snd_hda_intel.xml
View File

@ -2,6 +2,7 @@
<name>pci_0000_00_03_0</name>
<parent>computer</parent>
<capability type='pci'>
<class>0xffffff</class>
<domain>0</domain>
<bus>0</bus>
<slot>3</slot>

1
tests/nodedevschemadata/pci_8086_10c9_sriov_pf.xml
View File

@ -2,6 +2,7 @@
<name>pci_0000_02_00_0</name>
<parent>pci_0000_00_04_0</parent>
<capability type='pci'>
<class>0xffffff</class>
<domain>0</domain>
<bus>2</bus>
<slot>0</slot>

1
tests/nodedevschemadata/pci_8086_4238_pcie_wireless.xml
View File

@ -2,6 +2,7 @@
<name>pci_0000_03_00_0</name>
<parent>pci_0000_00_1c_1</parent>
<capability type='pci'>
<class>0xffffff</class>
<domain>0</domain>
<bus>3</bus>
<slot>0</slot>

1
tests/nodedevschemadata/pci_82579LM_network_adapter.xml
View File

@ -5,6 +5,7 @@
<name>e1000e</name>
</driver>
<capability type='pci'>
<class>0xffffff</class>
<domain>0</domain>
<bus>0</bus>
<slot>25</slot>