[libvirt] [PATCH v2 5/7] qemu: Add support for virtio input ccw devices
QEMU on S390 (since v2.11) can support virtio input ccw devices.
So build the qemu command line for ccw devices.
Signed-off-by: Farhan Ali <alifm(a)linux.vnet.ibm.com>
---
docs/formatdomain.html.in | 2 ++
src/qemu/qemu_command.c | 14 +++++++++++---
2 files changed, 13 insertions(+), 3 deletions(-)
diff --git a/docs/formatdomain.html.in b/docs/formatdomain.html.in
index 0908709..08dc74b 100644
--- a/docs/formatdomain.html.in
+++ b/docs/formatdomain.html.in
@@ -6048,6 +6048,8 @@ qemu-kvm -net nic,model=? /dev/null
sub-element <code><address></code> which can tie the
device to a particular PCI
slot, <a href="#elementsAddress">documented above</a>.
+ On S390, <code>address</code> can be used to provide a CCW address for
+ an input device (<span class="since">since 4.2.0</span>).
For type <code>passthrough</code>, the mandatory sub-element
<code>source</code>
must have an <code>evdev</code> attribute containing the absolute path
to the
diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c
index 5882637..c95d5eb 100644
--- a/src/qemu/qemu_command.c
+++ b/src/qemu/qemu_command.c
@@ -3955,6 +3955,8 @@ qemuBuildVirtioInputDevStr(const virDomainDef *def,
if (dev->info.type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_PCI) {
suffix = "-pci";
+ } else if (dev->info.type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_CCW) {
+ suffix = "-ccw";
} else if (dev->info.type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_VIRTIO_MMIO) {
suffix = "-device";
} else {
@@ -3966,7 +3968,9 @@ qemuBuildVirtioInputDevStr(const virDomainDef *def,
switch ((virDomainInputType) dev->type) {
case VIR_DOMAIN_INPUT_TYPE_MOUSE:
- if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_VIRTIO_MOUSE)) {
+ if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_VIRTIO_MOUSE) ||
+ (dev->info.type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_CCW &&
+ !virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE_VIRTIO_MOUSE_CCW))) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("virtio-mouse is not supported by this QEMU
binary"));
goto error;
@@ -3974,7 +3978,9 @@ qemuBuildVirtioInputDevStr(const virDomainDef *def,
virBufferAsprintf(&buf, "virtio-mouse%s,id=%s", suffix,
dev->info.alias);
break;
case VIR_DOMAIN_INPUT_TYPE_TABLET:
- if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_VIRTIO_TABLET)) {
+ if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_VIRTIO_TABLET) ||
+ (dev->info.type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_CCW &&
+ !virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE_VIRTIO_TABLET_CCW))) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("virtio-tablet is not supported by this QEMU
binary"));
goto error;
@@ -3982,7 +3988,9 @@ qemuBuildVirtioInputDevStr(const virDomainDef *def,
virBufferAsprintf(&buf, "virtio-tablet%s,id=%s", suffix,
dev->info.alias);
break;
case VIR_DOMAIN_INPUT_TYPE_KBD:
- if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_VIRTIO_KEYBOARD)) {
+ if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_VIRTIO_KEYBOARD) ||
+ (dev->info.type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_CCW &&
+ !virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE_VIRTIO_KEYBOARD_CCW))) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("virtio-keyboard is not supported by this QEMU
binary"));
goto error;
--
2.7.4