[libvirt] [PATCH 1/3] qemu: Need to assign PCI address to vhost-scsi

Eric Farman farman at linux.vnet.ibm.com
Wed Dec 13 13:28:35 UTC 2017



On 12/12/2017 09:22 AM, John Ferlan wrote:
> Commit id '70249927b' neglected to cover this case because the test
> had taken the "shortcut" to already add the <address>, so I altered
> that too just to make sure it doesn't happen again.

My bad.  :(

> 
> Previously the qemuxml2xmloutdata was a softlink to the source
> qemuxml2argvdata, so I unlinked and recreated the output file to
> force generation of the adddress. Without the test changes, an
> address generation returns:
> 
>      libvirt: Domain Config error : internal error: Cannot automatically
>      add a new PCI bus for a device with connect flags 00
> 
> if an address was supplied in the test, a restart of libvirtd or
> edit of a guest would display the following opaque message:
> 
>      warning : qemuDomainCollectPCIAddress:1237 :
>      qemuDomainDeviceCalculatePCIConnectFlags() thinks that the device
>       with PCI address 0000:00:09.0 should not have a PCI address
> 
> where the address is related to the guest PCI address provided.
> 
> Signed-off-by: John Ferlan <jferlan at redhat.com>

Reviewed-by: Eric Farman <farman at linux.vnet.ibm.com>

> ---
>   src/qemu/qemu_domain_address.c                     |  3 +-
>   .../hostdev-scsi-vhost-scsi-ccw.xml                |  1 -
>   .../hostdev-scsi-vhost-scsi-pci.xml                |  1 -
>   .../hostdev-scsi-vhost-scsi-ccw.xml                | 35 +++++++++++++++++-
>   .../hostdev-scsi-vhost-scsi-pci.xml                | 43 +++++++++++++++++++++-
>   5 files changed, 78 insertions(+), 5 deletions(-)
>   mode change 120000 => 100644 tests/qemuxml2xmloutdata/hostdev-scsi-vhost-scsi-ccw.xml
>   mode change 120000 => 100644 tests/qemuxml2xmloutdata/hostdev-scsi-vhost-scsi-pci.xml
> 
> diff --git a/src/qemu/qemu_domain_address.c b/src/qemu/qemu_domain_address.c
> index a40cdb399..6e7561d39 100644
> --- a/src/qemu/qemu_domain_address.c
> +++ b/src/qemu/qemu_domain_address.c
> @@ -623,7 +623,8 @@ qemuDomainDeviceCalculatePCIConnectFlags(virDomainDeviceDefPtr dev,
> 
>           if (hostdev->mode != VIR_DOMAIN_HOSTDEV_MODE_SUBSYS ||
>               (hostdev->source.subsys.type != VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_PCI &&
> -             hostdev->source.subsys.type != VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_MDEV)) {
> +             hostdev->source.subsys.type != VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_MDEV &&
> +             hostdev->source.subsys.type != VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_SCSI_HOST)) {
>               return 0;
>           }
> 
> diff --git a/tests/qemuxml2argvdata/hostdev-scsi-vhost-scsi-ccw.xml b/tests/qemuxml2argvdata/hostdev-scsi-vhost-scsi-ccw.xml
> index 6012d241c..33234bc3d 100644
> --- a/tests/qemuxml2argvdata/hostdev-scsi-vhost-scsi-ccw.xml
> +++ b/tests/qemuxml2argvdata/hostdev-scsi-vhost-scsi-ccw.xml
> @@ -24,7 +24,6 @@
>       </controller>
>       <hostdev mode='subsystem' type='scsi_host' managed='no'>
>         <source protocol='vhost' wwpn='naa.5123456789abcde0'/>
> -      <address type='ccw' cssid='0xfe' ssid='0x0' devno='0x0002'/>
>       </hostdev>
>       <memballoon model='virtio'>
>         <address type='ccw' cssid='0xfe' ssid='0x0' devno='0x0003'/>
> diff --git a/tests/qemuxml2argvdata/hostdev-scsi-vhost-scsi-pci.xml b/tests/qemuxml2argvdata/hostdev-scsi-vhost-scsi-pci.xml
> index cb97544d3..13455f672 100644
> --- a/tests/qemuxml2argvdata/hostdev-scsi-vhost-scsi-pci.xml
> +++ b/tests/qemuxml2argvdata/hostdev-scsi-vhost-scsi-pci.xml
> @@ -33,7 +33,6 @@
>       <input type='keyboard' bus='ps2'/>
>       <hostdev mode='subsystem' type='scsi_host' managed='no'>
>         <source protocol='vhost' wwpn='naa.5123456789abcde0'/>
> -      <address type='pci' domain='0x0000' bus='0x00' slot='0x05' function='0x0'/>
>       </hostdev>
>       <memballoon model='virtio'>
>         <address type='pci' domain='0x0000' bus='0x00' slot='0x04' function='0x0'/>
> diff --git a/tests/qemuxml2xmloutdata/hostdev-scsi-vhost-scsi-ccw.xml b/tests/qemuxml2xmloutdata/hostdev-scsi-vhost-scsi-ccw.xml
> deleted file mode 120000
> index 39ff65968..000000000
> --- a/tests/qemuxml2xmloutdata/hostdev-scsi-vhost-scsi-ccw.xml
> +++ /dev/null
> @@ -1 +0,0 @@
> -../qemuxml2argvdata/hostdev-scsi-vhost-scsi-ccw.xml
> \ No newline at end of file
> diff --git a/tests/qemuxml2xmloutdata/hostdev-scsi-vhost-scsi-ccw.xml b/tests/qemuxml2xmloutdata/hostdev-scsi-vhost-scsi-ccw.xml
> new file mode 100644
> index 000000000..6012d241c
> --- /dev/null
> +++ b/tests/qemuxml2xmloutdata/hostdev-scsi-vhost-scsi-ccw.xml
> @@ -0,0 +1,34 @@
> +<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='s390x' machine='s390-ccw'>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-system-s390x</emulator>
> +    <disk type='block' device='disk'>
> +      <source dev='/dev/HostVG/QEMUGuest2'/>
> +      <target dev='hda' bus='virtio'/>
> +      <address type='ccw' cssid='0xfe' ssid='0x0' devno='0x0000'/>
> +    </disk>
> +    <controller type='scsi' index='0' model='virtio-scsi'>
> +      <address type='ccw' cssid='0xfe' ssid='0x0' devno='0x0001'/>
> +    </controller>
> +    <hostdev mode='subsystem' type='scsi_host' managed='no'>
> +      <source protocol='vhost' wwpn='naa.5123456789abcde0'/>
> +      <address type='ccw' cssid='0xfe' ssid='0x0' devno='0x0002'/>
> +    </hostdev>
> +    <memballoon model='virtio'>
> +      <address type='ccw' cssid='0xfe' ssid='0x0' devno='0x0003'/>
> +    </memballoon>
> +    <panic model='s390'/>
> +  </devices>
> +</domain>
> diff --git a/tests/qemuxml2xmloutdata/hostdev-scsi-vhost-scsi-pci.xml b/tests/qemuxml2xmloutdata/hostdev-scsi-vhost-scsi-pci.xml
> deleted file mode 120000
> index b17ea17c8..000000000
> --- a/tests/qemuxml2xmloutdata/hostdev-scsi-vhost-scsi-pci.xml
> +++ /dev/null
> @@ -1 +0,0 @@
> -../qemuxml2argvdata/hostdev-scsi-vhost-scsi-pci.xml
> \ No newline at end of file
> diff --git a/tests/qemuxml2xmloutdata/hostdev-scsi-vhost-scsi-pci.xml b/tests/qemuxml2xmloutdata/hostdev-scsi-vhost-scsi-pci.xml
> new file mode 100644
> index 000000000..cb97544d3
> --- /dev/null
> +++ b/tests/qemuxml2xmloutdata/hostdev-scsi-vhost-scsi-pci.xml
> @@ -0,0 +1,42 @@
> +<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-system-i686</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'>
> +      <address type='pci' domain='0x0000' bus='0x00' slot='0x03' function='0x0'/>
> +    </controller>
> +    <controller type='usb' index='0'>
> +      <address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x2'/>
> +    </controller>
> +    <controller type='ide' index='0'>
> +      <address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x1'/>
> +    </controller>
> +    <controller type='pci' index='0' model='pci-root'/>
> +    <input type='mouse' bus='ps2'/>
> +    <input type='keyboard' bus='ps2'/>
> +    <hostdev mode='subsystem' type='scsi_host' managed='no'>
> +      <source protocol='vhost' wwpn='naa.5123456789abcde0'/>
> +      <address type='pci' domain='0x0000' bus='0x00' slot='0x05' function='0x0'/>
> +    </hostdev>
> +    <memballoon model='virtio'>
> +      <address type='pci' domain='0x0000' bus='0x00' slot='0x04' function='0x0'/>
> +    </memballoon>
> +  </devices>
> +</domain>
> 




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