[libvirt] [PATCHv2 2/6] qemu: format kernel_irqchip on the command line
Ján Tomko
jtomko at redhat.com
Thu Apr 20 12:19:14 UTC 2017
Add kernel_irqchip=off/split/on to the QEMU command line
and a capability that looks for it in query-command-line-options
output.
https://bugzilla.redhat.com/show_bug.cgi?id=1427005
---
src/libvirt_private.syms | 1 +
src/qemu/qemu_capabilities.c | 2 ++
src/qemu/qemu_capabilities.h | 1 +
src/qemu/qemu_command.c | 11 +++++++++++
tests/qemucapabilitiesdata/caps_1.5.3.x86_64.xml | 1 +
tests/qemucapabilitiesdata/caps_1.6.0.x86_64.xml | 1 +
tests/qemucapabilitiesdata/caps_1.7.0.x86_64.xml | 1 +
tests/qemucapabilitiesdata/caps_2.1.1.x86_64.xml | 1 +
tests/qemucapabilitiesdata/caps_2.4.0.x86_64.xml | 1 +
tests/qemucapabilitiesdata/caps_2.5.0.x86_64.xml | 1 +
.../qemucapabilitiesdata/caps_2.6.0-gicv2.aarch64.xml | 1 +
.../qemucapabilitiesdata/caps_2.6.0-gicv3.aarch64.xml | 1 +
tests/qemucapabilitiesdata/caps_2.6.0.ppc64le.xml | 1 +
tests/qemucapabilitiesdata/caps_2.6.0.x86_64.xml | 1 +
tests/qemucapabilitiesdata/caps_2.7.0.s390x.xml | 1 +
tests/qemucapabilitiesdata/caps_2.7.0.x86_64.xml | 1 +
tests/qemucapabilitiesdata/caps_2.8.0.s390x.xml | 1 +
tests/qemucapabilitiesdata/caps_2.8.0.x86_64.xml | 1 +
tests/qemucapabilitiesdata/caps_2.9.0.x86_64.xml | 1 +
.../qemuxml2argv-intel-iommu-irqchip.args | 19 +++++++++++++++++++
tests/qemuxml2argvtest.c | 4 ++++
21 files changed, 53 insertions(+)
create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-intel-iommu-irqchip.args
diff --git a/src/libvirt_private.syms b/src/libvirt_private.syms
index 181e178..f903c2c 100644
--- a/src/libvirt_private.syms
+++ b/src/libvirt_private.syms
@@ -381,6 +381,7 @@ virDomainIOThreadIDAdd;
virDomainIOThreadIDDefFree;
virDomainIOThreadIDDel;
virDomainIOThreadIDFind;
+virDomainIRQChipTypeToString;
virDomainKeyWrapCipherNameTypeFromString;
virDomainKeyWrapCipherNameTypeToString;
virDomainLeaseDefFree;
diff --git a/src/qemu/qemu_capabilities.c b/src/qemu/qemu_capabilities.c
index cc3e1f8..72870b9 100644
--- a/src/qemu/qemu_capabilities.c
+++ b/src/qemu/qemu_capabilities.c
@@ -364,6 +364,7 @@ VIR_ENUM_IMPL(virQEMUCaps, QEMU_CAPS_LAST,
"query-cpu-definitions", /* 250 */
"block-write-threshold",
"query-named-block-nodes",
+ "kernel-irqchip",
);
@@ -3124,6 +3125,7 @@ static struct virQEMUCapsCommandLineProps virQEMUCapsCommandLine[] = {
{ "drive", "throttling.bps-total-max-length", QEMU_CAPS_DRIVE_IOTUNE_MAX_LENGTH },
{ "drive", "throttling.group", QEMU_CAPS_DRIVE_IOTUNE_GROUP },
{ "spice", "rendernode", QEMU_CAPS_SPICE_RENDERNODE },
+ { "machine", "kernel_irqchip", QEMU_CAPS_MACHINE_KERNEL_IRQCHIP },
};
static int
diff --git a/src/qemu/qemu_capabilities.h b/src/qemu/qemu_capabilities.h
index a7eec52..362347e 100644
--- a/src/qemu/qemu_capabilities.h
+++ b/src/qemu/qemu_capabilities.h
@@ -401,6 +401,7 @@ typedef enum {
QEMU_CAPS_QUERY_CPU_DEFINITIONS, /* qmp query-cpu-definitions */
QEMU_CAPS_BLOCK_WRITE_THRESHOLD, /* BLOCK_WRITE_THRESHOLD event */
QEMU_CAPS_QUERY_NAMED_BLOCK_NODES, /* qmp query-named-block-nodes */
+ QEMU_CAPS_MACHINE_KERNEL_IRQCHIP, /* -machine kernel_irqchip */
QEMU_CAPS_LAST /* this must always be the last item */
} virQEMUCapsFlags;
diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c
index b2e76ca..1918933 100644
--- a/src/qemu/qemu_command.c
+++ b/src/qemu/qemu_command.c
@@ -7379,6 +7379,17 @@ qemuBuildMachineCommandLine(virCommandPtr cmd,
}
}
+ if (def->features[VIR_DOMAIN_FEATURE_IRQCHIP] == VIR_TRISTATE_SWITCH_ON) {
+ if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_MACHINE_KERNEL_IRQCHIP)) {
+ virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
+ _("kernel-irqchip option is not supported by this "
+ "QEMU binary"));
+ goto cleanup;
+ }
+ virBufferAsprintf(&buf, ",kernel_irqchip=%s",
+ virDomainIRQChipTypeToString(def->irqchip));
+ }
+
virCommandAddArgBuffer(cmd, &buf);
}
diff --git a/tests/qemucapabilitiesdata/caps_1.5.3.x86_64.xml b/tests/qemucapabilitiesdata/caps_1.5.3.x86_64.xml
index a68c13b..14f34b2 100644
--- a/tests/qemucapabilitiesdata/caps_1.5.3.x86_64.xml
+++ b/tests/qemucapabilitiesdata/caps_1.5.3.x86_64.xml
@@ -140,6 +140,7 @@
<flag name='display'/>
<flag name='vhost-scsi'/>
<flag name='query-cpu-definitions'/>
+ <flag name='kernel-irqchip'/>
<version>1005003</version>
<kvmVersion>0</kvmVersion>
<package></package>
diff --git a/tests/qemucapabilitiesdata/caps_1.6.0.x86_64.xml b/tests/qemucapabilitiesdata/caps_1.6.0.x86_64.xml
index 365b3a6..8fc23d6 100644
--- a/tests/qemucapabilitiesdata/caps_1.6.0.x86_64.xml
+++ b/tests/qemucapabilitiesdata/caps_1.6.0.x86_64.xml
@@ -145,6 +145,7 @@
<flag name='display'/>
<flag name='vhost-scsi'/>
<flag name='query-cpu-definitions'/>
+ <flag name='kernel-irqchip'/>
<version>1006000</version>
<kvmVersion>0</kvmVersion>
<package></package>
diff --git a/tests/qemucapabilitiesdata/caps_1.7.0.x86_64.xml b/tests/qemucapabilitiesdata/caps_1.7.0.x86_64.xml
index 689fbf8..47c8956 100644
--- a/tests/qemucapabilitiesdata/caps_1.7.0.x86_64.xml
+++ b/tests/qemucapabilitiesdata/caps_1.7.0.x86_64.xml
@@ -147,6 +147,7 @@
<flag name='display'/>
<flag name='vhost-scsi'/>
<flag name='query-cpu-definitions'/>
+ <flag name='kernel-irqchip'/>
<version>1007000</version>
<kvmVersion>0</kvmVersion>
<package></package>
diff --git a/tests/qemucapabilitiesdata/caps_2.1.1.x86_64.xml b/tests/qemucapabilitiesdata/caps_2.1.1.x86_64.xml
index e092dd2..afe7d53 100644
--- a/tests/qemucapabilitiesdata/caps_2.1.1.x86_64.xml
+++ b/tests/qemucapabilitiesdata/caps_2.1.1.x86_64.xml
@@ -163,6 +163,7 @@
<flag name='vhost-scsi'/>
<flag name='query-cpu-definitions'/>
<flag name='query-named-block-nodes'/>
+ <flag name='kernel-irqchip'/>
<version>2001001</version>
<kvmVersion>0</kvmVersion>
<package></package>
diff --git a/tests/qemucapabilitiesdata/caps_2.4.0.x86_64.xml b/tests/qemucapabilitiesdata/caps_2.4.0.x86_64.xml
index ea03f2e..5bdc1a2 100644
--- a/tests/qemucapabilitiesdata/caps_2.4.0.x86_64.xml
+++ b/tests/qemucapabilitiesdata/caps_2.4.0.x86_64.xml
@@ -185,6 +185,7 @@
<flag name='query-cpu-definitions'/>
<flag name='block-write-threshold'/>
<flag name='query-named-block-nodes'/>
+ <flag name='kernel-irqchip'/>
<version>2004000</version>
<kvmVersion>0</kvmVersion>
<package></package>
diff --git a/tests/qemucapabilitiesdata/caps_2.5.0.x86_64.xml b/tests/qemucapabilitiesdata/caps_2.5.0.x86_64.xml
index 164605f..36bc134 100644
--- a/tests/qemucapabilitiesdata/caps_2.5.0.x86_64.xml
+++ b/tests/qemucapabilitiesdata/caps_2.5.0.x86_64.xml
@@ -191,6 +191,7 @@
<flag name='query-cpu-definitions'/>
<flag name='block-write-threshold'/>
<flag name='query-named-block-nodes'/>
+ <flag name='kernel-irqchip'/>
<version>2005000</version>
<kvmVersion>0</kvmVersion>
<package></package>
diff --git a/tests/qemucapabilitiesdata/caps_2.6.0-gicv2.aarch64.xml b/tests/qemucapabilitiesdata/caps_2.6.0-gicv2.aarch64.xml
index af3a8e7..46e77b7 100644
--- a/tests/qemucapabilitiesdata/caps_2.6.0-gicv2.aarch64.xml
+++ b/tests/qemucapabilitiesdata/caps_2.6.0-gicv2.aarch64.xml
@@ -168,6 +168,7 @@
<flag name='query-cpu-definitions'/>
<flag name='block-write-threshold'/>
<flag name='query-named-block-nodes'/>
+ <flag name='kernel-irqchip'/>
<version>2006000</version>
<kvmVersion>0</kvmVersion>
<package></package>
diff --git a/tests/qemucapabilitiesdata/caps_2.6.0-gicv3.aarch64.xml b/tests/qemucapabilitiesdata/caps_2.6.0-gicv3.aarch64.xml
index 4402ffa..0c15b92 100644
--- a/tests/qemucapabilitiesdata/caps_2.6.0-gicv3.aarch64.xml
+++ b/tests/qemucapabilitiesdata/caps_2.6.0-gicv3.aarch64.xml
@@ -168,6 +168,7 @@
<flag name='query-cpu-definitions'/>
<flag name='block-write-threshold'/>
<flag name='query-named-block-nodes'/>
+ <flag name='kernel-irqchip'/>
<version>2006000</version>
<kvmVersion>0</kvmVersion>
<package></package>
diff --git a/tests/qemucapabilitiesdata/caps_2.6.0.ppc64le.xml b/tests/qemucapabilitiesdata/caps_2.6.0.ppc64le.xml
index 3f05169..c2ee94d 100644
--- a/tests/qemucapabilitiesdata/caps_2.6.0.ppc64le.xml
+++ b/tests/qemucapabilitiesdata/caps_2.6.0.ppc64le.xml
@@ -162,6 +162,7 @@
<flag name='query-cpu-definitions'/>
<flag name='block-write-threshold'/>
<flag name='query-named-block-nodes'/>
+ <flag name='kernel-irqchip'/>
<version>2006000</version>
<kvmVersion>0</kvmVersion>
<package></package>
diff --git a/tests/qemucapabilitiesdata/caps_2.6.0.x86_64.xml b/tests/qemucapabilitiesdata/caps_2.6.0.x86_64.xml
index 1d823ea..0583d6a 100644
--- a/tests/qemucapabilitiesdata/caps_2.6.0.x86_64.xml
+++ b/tests/qemucapabilitiesdata/caps_2.6.0.x86_64.xml
@@ -200,6 +200,7 @@
<flag name='query-cpu-definitions'/>
<flag name='block-write-threshold'/>
<flag name='query-named-block-nodes'/>
+ <flag name='kernel-irqchip'/>
<version>2006000</version>
<kvmVersion>0</kvmVersion>
<package></package>
diff --git a/tests/qemucapabilitiesdata/caps_2.7.0.s390x.xml b/tests/qemucapabilitiesdata/caps_2.7.0.s390x.xml
index 38d36b3..49baca8 100644
--- a/tests/qemucapabilitiesdata/caps_2.7.0.s390x.xml
+++ b/tests/qemucapabilitiesdata/caps_2.7.0.s390x.xml
@@ -130,6 +130,7 @@
<flag name='query-cpu-definitions'/>
<flag name='block-write-threshold'/>
<flag name='query-named-block-nodes'/>
+ <flag name='kernel-irqchip'/>
<version>2007000</version>
<kvmVersion>0</kvmVersion>
<package></package>
diff --git a/tests/qemucapabilitiesdata/caps_2.7.0.x86_64.xml b/tests/qemucapabilitiesdata/caps_2.7.0.x86_64.xml
index 24d7cb4..bee3ce0 100644
--- a/tests/qemucapabilitiesdata/caps_2.7.0.x86_64.xml
+++ b/tests/qemucapabilitiesdata/caps_2.7.0.x86_64.xml
@@ -202,6 +202,7 @@
<flag name='query-cpu-definitions'/>
<flag name='block-write-threshold'/>
<flag name='query-named-block-nodes'/>
+ <flag name='kernel-irqchip'/>
<version>2007000</version>
<kvmVersion>0</kvmVersion>
<package> (v2.7.0)</package>
diff --git a/tests/qemucapabilitiesdata/caps_2.8.0.s390x.xml b/tests/qemucapabilitiesdata/caps_2.8.0.s390x.xml
index 42c92c5..4fc20df 100644
--- a/tests/qemucapabilitiesdata/caps_2.8.0.s390x.xml
+++ b/tests/qemucapabilitiesdata/caps_2.8.0.s390x.xml
@@ -132,6 +132,7 @@
<flag name='query-cpu-definitions'/>
<flag name='block-write-threshold'/>
<flag name='query-named-block-nodes'/>
+ <flag name='kernel-irqchip'/>
<version>2007093</version>
<kvmVersion>0</kvmVersion>
<package></package>
diff --git a/tests/qemucapabilitiesdata/caps_2.8.0.x86_64.xml b/tests/qemucapabilitiesdata/caps_2.8.0.x86_64.xml
index 0bc1368..4e00816 100644
--- a/tests/qemucapabilitiesdata/caps_2.8.0.x86_64.xml
+++ b/tests/qemucapabilitiesdata/caps_2.8.0.x86_64.xml
@@ -203,6 +203,7 @@
<flag name='query-cpu-definitions'/>
<flag name='block-write-threshold'/>
<flag name='query-named-block-nodes'/>
+ <flag name='kernel-irqchip'/>
<version>2008000</version>
<kvmVersion>0</kvmVersion>
<package> (v2.8.0)</package>
diff --git a/tests/qemucapabilitiesdata/caps_2.9.0.x86_64.xml b/tests/qemucapabilitiesdata/caps_2.9.0.x86_64.xml
index 6386c4e..1ca4df9 100644
--- a/tests/qemucapabilitiesdata/caps_2.9.0.x86_64.xml
+++ b/tests/qemucapabilitiesdata/caps_2.9.0.x86_64.xml
@@ -207,6 +207,7 @@
<flag name='query-cpu-definitions'/>
<flag name='block-write-threshold'/>
<flag name='query-named-block-nodes'/>
+ <flag name='kernel-irqchip'/>
<version>2008090</version>
<kvmVersion>0</kvmVersion>
<package> (v2.9.0-rc0-142-g940a8ce)</package>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-intel-iommu-irqchip.args b/tests/qemuxml2argvdata/qemuxml2argv-intel-iommu-irqchip.args
new file mode 100644
index 0000000..899d240
--- /dev/null
+++ b/tests/qemuxml2argvdata/qemuxml2argv-intel-iommu-irqchip.args
@@ -0,0 +1,19 @@
+LC_ALL=C \
+PATH=/bin \
+HOME=/home/test \
+USER=test \
+LOGNAME=test \
+QEMU_AUDIO_DRV=none \
+/usr/bin/qemu-system-x86_64 \
+-name QEMUGuest1 \
+-S \
+-machine q35,accel=tcg,kernel_irqchip=split \
+-m 214 \
+-smp 1,sockets=1,cores=1,threads=1 \
+-uuid c7a5fdbd-edaf-9455-926a-d65c16db1809 \
+-nographic \
+-nodefaults \
+-monitor unix:/tmp/lib/domain--1-QEMUGuest1/monitor.sock,server,nowait \
+-no-acpi \
+-boot c \
+-device intel-iommu
diff --git a/tests/qemuxml2argvtest.c b/tests/qemuxml2argvtest.c
index c1b014b..80f10cc 100644
--- a/tests/qemuxml2argvtest.c
+++ b/tests/qemuxml2argvtest.c
@@ -2492,6 +2492,10 @@ mymain(void)
DO_TEST("intel-iommu-machine",
QEMU_CAPS_MACHINE_OPT,
QEMU_CAPS_MACHINE_IOMMU);
+ DO_TEST("intel-iommu-irqchip",
+ QEMU_CAPS_MACHINE_OPT,
+ QEMU_CAPS_MACHINE_KERNEL_IRQCHIP,
+ QEMU_CAPS_DEVICE_INTEL_IOMMU);
DO_TEST("cpu-hotplug-startup", QEMU_CAPS_QUERY_HOTPLUGGABLE_CPUS);
--
2.10.2
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