docs: Add 'uid' and 'fid' information

Update 'Device address' section to describe 'zpci' element and
its two attributes 'uid' and 'fid'.

Signed-off-by: Yi Min Zhao <zyimin@linux.ibm.com>
Reviewed-by: Boris Fiuczynski <fiuczy@linux.ibm.com>
Reviewed-by: Stefan Zimmermann <stzi@linux.ibm.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Andrea Bolognani <abologna@redhat.com>
This commit is contained in:
Yi Min Zhao 2018-11-08 19:00:31 +08:00 committed by Andrea Bolognani
parent f183b87fc1
commit b9be36b691

View File

@ -3965,7 +3965,15 @@
(<span class="since">since 0.9.7, requires QEMU
0.13</span>). <code>multifunction</code> defaults to 'off',
but should be set to 'on' for function 0 of a slot that will
have multiple functions used.<br/>
have multiple functions used.
(<span class="since">Since 4.10.0</span>), PCI address extensions
depending on the architecture are supported. For example, PCI
addresses for S390 guests will have a <code>zpci</code> child
element, with two attributes: <code>uid</code> (a hex value
between 0x0001 and 0xffff, inclusive), and <code>fid</code> (a
hex value between 0x00000000 and 0xffffffff, inclusive) used by
PCI devices on S390 for User-defined Identifiers and Function
Identifiers.<br/>
<span class="since">Since 1.3.5</span>, some hypervisor
drivers may accept an <code>&lt;address type='pci'/&gt;</code>
element with no other attributes as an explicit request to