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conf: Generic XMLs for scsi hostdev

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An example of the scsi hostdev XML:

    <hostdev mode='subsystem' type='scsi'>
      <source>
        <adapter name='scsi_host0'/>
        <address bus='0' target='0' unit='0'/>
      </source>
      <address type='drive' controller='0' bus='0' target='4' unit='8'/>
    </hostdev>

Controller is implicitly added for scsi hostdev, though the scsi
controller's model defaults to "lsilogic", which might be not what
the user wants (same problem exists for virtio-scsi disk). It's
the existing problem, will be addressed later.

The device address must be specified manually. Later patch will let
libvirt generate it automatically.

This only introduces the generic XMLs for scsi hostdev, later patches
will add other elements, e.g. <readonly>, <shareable>.

Signed-off-by: Han Cheng <hanc.fnst@cn.fujitsu.com>
Signed-off-by: Osier Yang <jyang@redhat.com>
This commit is contained in:
Han Cheng
2013-05-04 02:07:20 +08:00
committed by Osier Yang
parent 9706d85fe9
commit 5c811dcec5
7 changed files with 266 additions and 9 deletions
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35
tests/qemuxml2argvdata/qemuxml2argv-hostdev-scsi.xml Normal file
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@@ -0,0 +1,35 @@
<domain type='qemu'>
<name>QEMUGuest2</name>
<uuid>c7a5fdbd-edaf-9466-926a-d65c16db1809</uuid>
<memory unit='KiB'>219100</memory>
<currentMemory unit='KiB'>219100</currentMemory>
<vcpu placement='static'>1</vcpu>
<os>
<type arch='i686' machine='pc'>hvm</type>
<boot dev='hd'/>
</os>
<clock offset='utc'/>
<on_poweroff>destroy</on_poweroff>
<on_reboot>restart</on_reboot>
<on_crash>destroy</on_crash>
<devices>
<emulator>/usr/bin/qemu</emulator>
<disk type='block' device='disk'>
<source dev='/dev/HostVG/QEMUGuest2'/>
<target dev='hda' bus='ide'/>
<address type='drive' controller='0' bus='0' target='0' unit='0'/>
</disk>
<controller type='scsi' index='0' model='virtio-scsi'/>
<controller type='usb' index='0'/>
<controller type='ide' index='0'/>
<controller type='pci' index='0' model='pci-root'/>
<hostdev mode='subsystem' type='scsi' managed='yes'>
<source>
<adapter name='scsi_host0'/>
<address bus='0' target='0' unit='0'/>
</source>
<address type='drive' controller='0' bus='0' target='4' unit='8'/>
</hostdev>
<memballoon model='virtio'/>
</devices>
</domain>

2
tests/qemuxml2xmltest.c
View File

@@ -285,6 +285,8 @@ mymain(void)
DO_TEST_DIFFERENT("pci-autoadd-addr");
DO_TEST_DIFFERENT("pci-autoadd-idx");
DO_TEST("hostdev-scsi");
virObjectUnref(driver.caps);
virObjectUnref(driver.xmlopt);