schemas: Update nodedev schema to match reality

There were few things done in the nodedev code but we were lacking tests
for it.  And because of that we missed that the schema was not updated
either.  Fix the schema and add various test files to show the schema
is correct.
Signed-off-by: NMartin Kletzander <mkletzan@redhat.com>

docs/schemas/nodedev.rng

@@ -143,8 +143,13 @@
           <value>virt_functions</value>
         </attribute>
         <optional>
-          <ref name='address'/>
+          <attribute name='maxCount'>
+            <ref name='unsignedInt'/>
+          </attribute>
         </optional>
+        <zeroOrMore>
+          <ref name='address'/>
+        </zeroOrMore>
       </element>
     </optional>
 

tests/nodedevschemadata/pci_0000_02_10_7_sriov.xml

+<device>
+  <name>pci_0000_02_10_7</name>
+  <parent>pci_0000_00_04_0</parent>
+  <capability type='pci'>
+    <domain>0</domain>
+    <bus>2</bus>
+    <slot>16</slot>
+    <function>7</function>
+    <product id='0x10ca'>82576 Virtual Function</product>
+    <vendor id='0x8086'>Intel Corporation</vendor>
+    <capability type='phys_function'>
+      <address domain='0x0000' bus='0x02' slot='0x00' function='0x1'/>
+    </capability>
+    <iommuGroup number='31'>
+      <address domain='0x0000' bus='0x02' slot='0x10' function='0x7'/>
+    </iommuGroup>
+    <numa node='0'/>
+    <pci-express>
+      <link validity='cap' port='0' speed='2.5' width='4'/>
+      <link validity='sta' width='0'/>
+    </pci-express>
+  </capability>
+</device>

tests/nodedevschemadata/pci_0000_02_10_7_sriov_pf_vfs_all.xml

+<device>
+  <name>pci_0000_02_10_7</name>
+  <parent>pci_0000_00_04_0</parent>
+  <capability type='pci'>
+    <domain>0</domain>
+    <bus>2</bus>
+    <slot>16</slot>
+    <function>7</function>
+    <product id='0x10ca'>82576 Virtual Function</product>
+    <vendor id='0x8086'>Intel Corporation</vendor>
+    <capability type='phys_function'>
+      <address domain='0x0000' bus='0x02' slot='0x00' function='0x1'/>
+    </capability>
+    <capability type='virt_functions' maxCount='7'>
+      <address domain='0x0000' bus='0x02' slot='0x00' function='0x2'/>
+      <address domain='0x0000' bus='0x02' slot='0x00' function='0x3'/>
+      <address domain='0x0000' bus='0x02' slot='0x00' function='0x4'/>
+      <address domain='0x0000' bus='0x02' slot='0x00' function='0x5'/>
+    </capability>
+    <iommuGroup number='31'>
+      <address domain='0x0000' bus='0x02' slot='0x10' function='0x7'/>
+    </iommuGroup>
+    <numa node='0'/>
+    <pci-express>
+      <link validity='cap' port='0' speed='2.5' width='4'/>
+      <link validity='sta' width='0'/>
+    </pci-express>
+  </capability>
+</device>

tests/nodedevschemadata/pci_0000_02_10_7_sriov_pf_vfs_all_header_type.xml

+<device>
+  <name>pci_0000_02_10_7</name>
+  <parent>pci_0000_00_04_0</parent>
+  <capability type='pci'>
+    <domain>0</domain>
+    <bus>2</bus>
+    <slot>16</slot>
+    <function>7</function>
+    <product id='0x10ca'>82576 Virtual Function</product>
+    <vendor id='0x8086'>Intel Corporation</vendor>
+    <capability type='phys_function'>
+      <address domain='0x0000' bus='0x02' slot='0x00' function='0x1'/>
+    </capability>
+    <capability type='virt_functions' maxCount='7'>
+      <address domain='0x0000' bus='0x02' slot='0x00' function='0x2'/>
+      <address domain='0x0000' bus='0x02' slot='0x00' function='0x3'/>
+      <address domain='0x0000' bus='0x02' slot='0x00' function='0x4'/>
+      <address domain='0x0000' bus='0x02' slot='0x00' function='0x5'/>
+    </capability>
+    <capability type='pci-bridge'/>
+    <iommuGroup number='31'>
+      <address domain='0x0000' bus='0x02' slot='0x10' function='0x7'/>
+    </iommuGroup>
+    <numa node='0'/>
+    <pci-express>
+      <link validity='cap' port='0' speed='2.5' width='4'/>
+      <link validity='sta' width='0'/>
+    </pci-express>
+  </capability>
+</device>

tests/nodedevschemadata/pci_0000_02_10_7_sriov_vfs.xml

+<device>
+  <name>pci_0000_02_10_7</name>
+  <parent>pci_0000_00_04_0</parent>
+  <capability type='pci'>
+    <domain>0</domain>
+    <bus>2</bus>
+    <slot>16</slot>
+    <function>7</function>
+    <product id='0x10ca'>82576 Virtual Function</product>
+    <vendor id='0x8086'>Intel Corporation</vendor>
+    <capability type='virt_functions'>
+      <address domain='0x0000' bus='0x02' slot='0x00' function='0x2'/>
+      <address domain='0x0000' bus='0x02' slot='0x00' function='0x3'/>
+      <address domain='0x0000' bus='0x02' slot='0x00' function='0x4'/>
+      <address domain='0x0000' bus='0x02' slot='0x00' function='0x5'/>
+    </capability>
+    <iommuGroup number='31'>
+      <address domain='0x0000' bus='0x02' slot='0x10' function='0x7'/>
+    </iommuGroup>
+    <numa node='0'/>
+    <pci-express>
+      <link validity='cap' port='0' speed='2.5' width='4'/>
+      <link validity='sta' width='0'/>
+    </pci-express>
+  </capability>
+</device>

tests/nodedevschemadata/pci_0000_02_10_7_sriov_zero_vfs_max_count.xml

+<device>
+  <name>pci_0000_02_10_7</name>
+  <parent>pci_0000_00_04_0</parent>
+  <capability type='pci'>
+    <domain>0</domain>
+    <bus>2</bus>
+    <slot>16</slot>
+    <function>7</function>
+    <product id='0x10ca'>82576 Virtual Function</product>
+    <vendor id='0x8086'>Intel Corporation</vendor>
+    <capability type='virt_functions' maxCount='3'/>
+    <iommuGroup number='31'>
+      <address domain='0x0000' bus='0x02' slot='0x10' function='0x7'/>
+    </iommuGroup>
+    <numa node='0'/>
+    <pci-express>
+      <link validity='cap' port='0' speed='2.5' width='4'/>
+      <link validity='sta' width='0'/>
+    </pci-express>
+  </capability>
+</device>