qemu: Probe for a few params supported by migrate-set-parameters

These parameters were originally set via dedicated commands which are
now deprecated. We want to use migrate-set-parameters instead if
possible.
Signed-off-by: NJiri Denemark <jdenemar@redhat.com>
Reviewed-by: NPeter Krempa <pkrempa@redhat.com>

src/qemu/qemu_capabilities.c

@@ -588,6 +588,11 @@ VIR_ENUM_IMPL(virQEMUCaps,
               "cpu.migratable",
               "query-cpu-model-expansion.migratable",
               "fw_cfg",
+              "migration-param.bandwidth",
+              "migration-param.downtime",
+
+              /* 375 */
+              "migration-param.xbzrle-cache-size",
     );
 
 
@@ -1510,6 +1515,9 @@ static struct virQEMUCapsStringFlags virQEMUCapsQMPSchemaQueries[] = {
     { "query-named-block-nodes/arg-type/flat", QEMU_CAPS_QMP_QUERY_NAMED_BLOCK_NODES_FLAT },
     { "blockdev-snapshot/$allow-write-only-overlay", QEMU_CAPS_BLOCKDEV_SNAPSHOT_ALLOW_WRITE_ONLY },
     { "blockdev-add/arg-type/+file/aio/^io_uring", QEMU_CAPS_AIO_IO_URING },
+    { "migrate-set-parameters/arg-type/max-bandwidth", QEMU_CAPS_MIGRATION_PARAM_BANDWIDTH },
+    { "migrate-set-parameters/arg-type/downtime-limit", QEMU_CAPS_MIGRATION_PARAM_DOWNTIME },
+    { "migrate-set-parameters/arg-type/xbzrle-cache-size", QEMU_CAPS_MIGRATION_PARAM_XBZRLE_CACHE_SIZE },
 };
 
 typedef struct _virQEMUCapsObjectTypeProps virQEMUCapsObjectTypeProps;

src/qemu/qemu_capabilities.h

@@ -568,6 +568,11 @@ typedef enum { /* virQEMUCapsFlags grouping marker for syntax-check */
     QEMU_CAPS_CPU_MIGRATABLE, /* -cpu ...,migratable=on|off */
     QEMU_CAPS_QUERY_CPU_MODEL_EXPANSION_MIGRATABLE, /* query-cpu-model-expansion supports migratable:false */
     QEMU_CAPS_FW_CFG, /* -fw_cfg command line option */
+    QEMU_CAPS_MIGRATION_PARAM_BANDWIDTH, /* max-bandwidth field in migrate-set-parameters */
+    QEMU_CAPS_MIGRATION_PARAM_DOWNTIME, /* downtime-limit field in migrate-set-parameters */
+
+    /* 375 */
+    QEMU_CAPS_MIGRATION_PARAM_XBZRLE_CACHE_SIZE, /* xbzrle-cache-size field in migrate-set-parameters */
 
     QEMU_CAPS_LAST /* this must always be the last item */
 } virQEMUCapsFlags;

tests/qemucapabilitiesdata/caps_2.10.0.aarch64.xml

@@ -143,6 +143,8 @@
   <flag name='tcg'/>
   <flag name='pvscsi'/>
   <flag name='fw_cfg'/>
+  <flag name='migration-param.bandwidth'/>
+  <flag name='migration-param.downtime'/>
   <version>2010000</version>
   <kvmVersion>0</kvmVersion>
   <microcodeVersion>61700287</microcodeVersion>

tests/qemucapabilitiesdata/caps_2.10.0.ppc64.xml

@@ -143,6 +143,8 @@
   <flag name='tcg'/>
   <flag name='pvscsi'/>
   <flag name='fw_cfg'/>
+  <flag name='migration-param.bandwidth'/>
+  <flag name='migration-param.downtime'/>
   <version>2010000</version>
   <kvmVersion>0</kvmVersion>
   <microcodeVersion>42900287</microcodeVersion>

tests/qemucapabilitiesdata/caps_2.10.0.s390x.xml

@@ -109,6 +109,8 @@
   <flag name='storage.werror'/>
   <flag name='tcg'/>
   <flag name='fw_cfg'/>
+  <flag name='migration-param.bandwidth'/>
+  <flag name='migration-param.downtime'/>
   <version>2010000</version>
   <kvmVersion>0</kvmVersion>
   <microcodeVersion>39100287</microcodeVersion>

tests/qemucapabilitiesdata/caps_2.10.0.x86_64.xml

@@ -187,6 +187,8 @@
   <flag name='pvscsi'/>
   <flag name='query-cpu-model-expansion.migratable'/>
   <flag name='fw_cfg'/>
+  <flag name='migration-param.bandwidth'/>
+  <flag name='migration-param.downtime'/>
   <version>2010000</version>
   <kvmVersion>0</kvmVersion>
   <microcodeVersion>43100287</microcodeVersion>

tests/qemucapabilitiesdata/caps_2.11.0.s390x.xml

@@ -116,6 +116,9 @@
   <flag name='storage.werror'/>
   <flag name='tcg'/>
   <flag name='fw_cfg'/>
+  <flag name='migration-param.bandwidth'/>
+  <flag name='migration-param.downtime'/>
+  <flag name='migration-param.xbzrle-cache-size'/>
   <version>2011000</version>
   <kvmVersion>0</kvmVersion>
   <microcodeVersion>39100288</microcodeVersion>

tests/qemucapabilitiesdata/caps_2.11.0.x86_64.xml

@@ -193,6 +193,9 @@
   <flag name='pvscsi'/>
   <flag name='query-cpu-model-expansion.migratable'/>
   <flag name='fw_cfg'/>
+  <flag name='migration-param.bandwidth'/>
+  <flag name='migration-param.downtime'/>
+  <flag name='migration-param.xbzrle-cache-size'/>
   <version>2011000</version>
   <kvmVersion>0</kvmVersion>
   <microcodeVersion>43100288</microcodeVersion>

tests/qemucapabilitiesdata/caps_2.12.0.aarch64.xml

@@ -159,6 +159,9 @@
   <flag name='tcg'/>
   <flag name='pvscsi'/>
   <flag name='fw_cfg'/>
+  <flag name='migration-param.bandwidth'/>
+  <flag name='migration-param.downtime'/>
+  <flag name='migration-param.xbzrle-cache-size'/>
   <version>2012000</version>
   <kvmVersion>0</kvmVersion>
   <microcodeVersion>61700289</microcodeVersion>

tests/qemucapabilitiesdata/caps_2.12.0.ppc64.xml

@@ -160,6 +160,9 @@
   <flag name='tcg'/>
   <flag name='pvscsi'/>
   <flag name='fw_cfg'/>
+  <flag name='migration-param.bandwidth'/>
+  <flag name='migration-param.downtime'/>
+  <flag name='migration-param.xbzrle-cache-size'/>
   <version>2011090</version>
   <kvmVersion>0</kvmVersion>
   <microcodeVersion>42900289</microcodeVersion>

tests/qemucapabilitiesdata/caps_2.12.0.s390x.xml

@@ -128,6 +128,9 @@
   <flag name='storage.werror'/>
   <flag name='tcg'/>
   <flag name='fw_cfg'/>
+  <flag name='migration-param.bandwidth'/>
+  <flag name='migration-param.downtime'/>
+  <flag name='migration-param.xbzrle-cache-size'/>
   <version>2012000</version>
   <kvmVersion>0</kvmVersion>
   <microcodeVersion>39100289</microcodeVersion>

tests/qemucapabilitiesdata/caps_2.12.0.x86_64.xml

@@ -203,6 +203,9 @@
   <flag name='cpu.migratable'/>
   <flag name='query-cpu-model-expansion.migratable'/>
   <flag name='fw_cfg'/>
+  <flag name='migration-param.bandwidth'/>
+  <flag name='migration-param.downtime'/>
+  <flag name='migration-param.xbzrle-cache-size'/>
   <version>2011090</version>
   <kvmVersion>0</kvmVersion>
   <microcodeVersion>43100289</microcodeVersion>

tests/qemucapabilitiesdata/caps_2.8.0.s390x.xml

@@ -98,6 +98,8 @@
   <flag name='storage.werror'/>
   <flag name='tcg'/>
   <flag name='fw_cfg'/>
+  <flag name='migration-param.bandwidth'/>
+  <flag name='migration-param.downtime'/>
   <version>2007093</version>
   <kvmVersion>0</kvmVersion>
   <microcodeVersion>39100246</microcodeVersion>

tests/qemucapabilitiesdata/caps_2.8.0.x86_64.xml

@@ -163,6 +163,8 @@
   <flag name='tcg'/>
   <flag name='pvscsi'/>
   <flag name='fw_cfg'/>
+  <flag name='migration-param.bandwidth'/>
+  <flag name='migration-param.downtime'/>
   <version>2008000</version>
   <kvmVersion>0</kvmVersion>
   <microcodeVersion>43100246</microcodeVersion>

tests/qemucapabilitiesdata/caps_2.9.0.ppc64.xml

@@ -135,6 +135,8 @@
   <flag name='tcg'/>
   <flag name='pvscsi'/>
   <flag name='fw_cfg'/>
+  <flag name='migration-param.bandwidth'/>
+  <flag name='migration-param.downtime'/>
   <version>2009000</version>
   <kvmVersion>0</kvmVersion>
   <microcodeVersion>42900247</microcodeVersion>

tests/qemucapabilitiesdata/caps_2.9.0.s390x.xml

@@ -103,6 +103,8 @@
   <flag name='storage.werror'/>
   <flag name='tcg'/>
   <flag name='fw_cfg'/>
+  <flag name='migration-param.bandwidth'/>
+  <flag name='migration-param.downtime'/>
   <version>2009000</version>
   <kvmVersion>0</kvmVersion>
   <microcodeVersion>39100247</microcodeVersion>

tests/qemucapabilitiesdata/caps_2.9.0.x86_64.xml

@@ -181,6 +181,8 @@
   <flag name='pvscsi'/>
   <flag name='query-cpu-model-expansion.migratable'/>
   <flag name='fw_cfg'/>
+  <flag name='migration-param.bandwidth'/>
+  <flag name='migration-param.downtime'/>
   <version>2009000</version>
   <kvmVersion>0</kvmVersion>
   <microcodeVersion>43100247</microcodeVersion>

tests/qemucapabilitiesdata/caps_3.0.0.ppc64.xml

@@ -162,6 +162,9 @@
   <flag name='tcg'/>
   <flag name='pvscsi'/>
   <flag name='fw_cfg'/>
+  <flag name='migration-param.bandwidth'/>
+  <flag name='migration-param.downtime'/>
+  <flag name='migration-param.xbzrle-cache-size'/>
   <version>2012050</version>
   <kvmVersion>0</kvmVersion>
   <microcodeVersion>42900239</microcodeVersion>

tests/qemucapabilitiesdata/caps_3.0.0.riscv32.xml

@@ -98,6 +98,9 @@
   <flag name='storage.werror'/>
   <flag name='tcg'/>
   <flag name='fw_cfg'/>
+  <flag name='migration-param.bandwidth'/>
+  <flag name='migration-param.downtime'/>
+  <flag name='migration-param.xbzrle-cache-size'/>
   <version>3000000</version>
   <kvmVersion>0</kvmVersion>
   <microcodeVersion>0</microcodeVersion>

tests/qemucapabilitiesdata/caps_3.0.0.riscv64.xml

@@ -98,6 +98,9 @@
   <flag name='storage.werror'/>
   <flag name='tcg'/>
   <flag name='fw_cfg'/>
+  <flag name='migration-param.bandwidth'/>
+  <flag name='migration-param.downtime'/>
+  <flag name='migration-param.xbzrle-cache-size'/>
   <version>3000000</version>
   <kvmVersion>0</kvmVersion>
   <microcodeVersion>0</microcodeVersion>

tests/qemucapabilitiesdata/caps_3.0.0.s390x.xml

@@ -131,6 +131,9 @@
   <flag name='storage.werror'/>
   <flag name='tcg'/>
   <flag name='fw_cfg'/>
+  <flag name='migration-param.bandwidth'/>
+  <flag name='migration-param.downtime'/>
+  <flag name='migration-param.xbzrle-cache-size'/>
   <version>3000000</version>
   <kvmVersion>0</kvmVersion>
   <microcodeVersion>39100239</microcodeVersion>

tests/qemucapabilitiesdata/caps_3.0.0.x86_64.xml

@@ -209,6 +209,9 @@
   <flag name='cpu.migratable'/>
   <flag name='query-cpu-model-expansion.migratable'/>
   <flag name='fw_cfg'/>
+  <flag name='migration-param.bandwidth'/>
+  <flag name='migration-param.downtime'/>
+  <flag name='migration-param.xbzrle-cache-size'/>
   <version>3000000</version>
   <kvmVersion>0</kvmVersion>
   <microcodeVersion>43100239</microcodeVersion>

tests/qemucapabilitiesdata/caps_3.1.0.ppc64.xml

@@ -167,6 +167,9 @@
   <flag name='tcg'/>
   <flag name='pvscsi'/>
   <flag name='fw_cfg'/>
+  <flag name='migration-param.bandwidth'/>
+  <flag name='migration-param.downtime'/>
+  <flag name='migration-param.xbzrle-cache-size'/>
   <version>3000091</version>
   <kvmVersion>0</kvmVersion>
   <microcodeVersion>42900240</microcodeVersion>

tests/qemucapabilitiesdata/caps_3.1.0.x86_64.xml

@@ -212,6 +212,9 @@
   <flag name='cpu.migratable'/>
   <flag name='query-cpu-model-expansion.migratable'/>
   <flag name='fw_cfg'/>
+  <flag name='migration-param.bandwidth'/>
+  <flag name='migration-param.downtime'/>
+  <flag name='migration-param.xbzrle-cache-size'/>
   <version>3000092</version>
   <kvmVersion>0</kvmVersion>
   <microcodeVersion>43100240</microcodeVersion>

tests/qemucapabilitiesdata/caps_4.0.0.aarch64.xml

@@ -173,6 +173,9 @@
   <flag name='tcg'/>
   <flag name='pvscsi'/>
   <flag name='fw_cfg'/>
+  <flag name='migration-param.bandwidth'/>
+  <flag name='migration-param.downtime'/>
+  <flag name='migration-param.xbzrle-cache-size'/>
   <version>4000000</version>
   <kvmVersion>0</kvmVersion>
   <microcodeVersion>61700240</microcodeVersion>

tests/qemucapabilitiesdata/caps_4.0.0.ppc64.xml

@@ -181,6 +181,9 @@
   <flag name='tcg'/>
   <flag name='pvscsi'/>
   <flag name='fw_cfg'/>
+  <flag name='migration-param.bandwidth'/>
+  <flag name='migration-param.downtime'/>
+  <flag name='migration-param.xbzrle-cache-size'/>
   <version>4000000</version>
   <kvmVersion>0</kvmVersion>
   <microcodeVersion>42900240</microcodeVersion>

tests/qemucapabilitiesdata/caps_4.0.0.riscv32.xml

@@ -174,6 +174,9 @@
   <flag name='tcg'/>
   <flag name='pvscsi'/>
   <flag name='fw_cfg'/>
+  <flag name='migration-param.bandwidth'/>
+  <flag name='migration-param.downtime'/>
+  <flag name='migration-param.xbzrle-cache-size'/>
   <version>4000000</version>
   <kvmVersion>0</kvmVersion>
   <microcodeVersion>0</microcodeVersion>

tests/qemucapabilitiesdata/caps_4.0.0.riscv64.xml

@@ -174,6 +174,9 @@
   <flag name='tcg'/>
   <flag name='pvscsi'/>
   <flag name='fw_cfg'/>
+  <flag name='migration-param.bandwidth'/>
+  <flag name='migration-param.downtime'/>
+  <flag name='migration-param.xbzrle-cache-size'/>
   <version>4000000</version>
   <kvmVersion>0</kvmVersion>
   <microcodeVersion>0</microcodeVersion>

tests/qemucapabilitiesdata/caps_4.0.0.s390x.xml

@@ -139,6 +139,9 @@
   <flag name='storage.werror'/>
   <flag name='tcg'/>
   <flag name='fw_cfg'/>
+  <flag name='migration-param.bandwidth'/>
+  <flag name='migration-param.downtime'/>
+  <flag name='migration-param.xbzrle-cache-size'/>
   <version>4000000</version>
   <kvmVersion>0</kvmVersion>
   <microcodeVersion>39100240</microcodeVersion>

tests/qemucapabilitiesdata/caps_4.0.0.x86_64.xml

@@ -217,6 +217,9 @@
   <flag name='cpu.migratable'/>
   <flag name='query-cpu-model-expansion.migratable'/>
   <flag name='fw_cfg'/>
+  <flag name='migration-param.bandwidth'/>
+  <flag name='migration-param.downtime'/>
+  <flag name='migration-param.xbzrle-cache-size'/>
   <version>4000000</version>
   <kvmVersion>0</kvmVersion>
   <microcodeVersion>43100240</microcodeVersion>

tests/qemucapabilitiesdata/caps_4.1.0.x86_64.xml

@@ -223,6 +223,9 @@
   <flag name='cpu.migratable'/>
   <flag name='query-cpu-model-expansion.migratable'/>
   <flag name='fw_cfg'/>
+  <flag name='migration-param.bandwidth'/>
+  <flag name='migration-param.downtime'/>
+  <flag name='migration-param.xbzrle-cache-size'/>
   <version>4001000</version>
   <kvmVersion>0</kvmVersion>
   <microcodeVersion>43100241</microcodeVersion>

tests/qemucapabilitiesdata/caps_4.2.0.aarch64.xml

@@ -185,6 +185,9 @@
   <flag name='tcg'/>
   <flag name='pvscsi'/>
   <flag name='fw_cfg'/>
+  <flag name='migration-param.bandwidth'/>
+  <flag name='migration-param.downtime'/>
+  <flag name='migration-param.xbzrle-cache-size'/>
   <version>4001050</version>
   <kvmVersion>0</kvmVersion>
   <microcodeVersion>61700242</microcodeVersion>

tests/qemucapabilitiesdata/caps_4.2.0.ppc64.xml

@@ -186,6 +186,9 @@
   <flag name='tcg'/>
   <flag name='pvscsi'/>
   <flag name='fw_cfg'/>
+  <flag name='migration-param.bandwidth'/>
+  <flag name='migration-param.downtime'/>
+  <flag name='migration-param.xbzrle-cache-size'/>
   <version>4001050</version>
   <kvmVersion>0</kvmVersion>
   <microcodeVersion>42900242</microcodeVersion>

tests/qemucapabilitiesdata/caps_4.2.0.s390x.xml

@@ -149,6 +149,9 @@
   <flag name='virtio.packed'/>
   <flag name='tcg'/>
   <flag name='fw_cfg'/>
+  <flag name='migration-param.bandwidth'/>
+  <flag name='migration-param.downtime'/>
+  <flag name='migration-param.xbzrle-cache-size'/>
   <version>4002000</version>
   <kvmVersion>0</kvmVersion>
   <microcodeVersion>39100242</microcodeVersion>

tests/qemucapabilitiesdata/caps_4.2.0.x86_64.xml

@@ -231,6 +231,9 @@
   <flag name='cpu.migratable'/>
   <flag name='query-cpu-model-expansion.migratable'/>
   <flag name='fw_cfg'/>
+  <flag name='migration-param.bandwidth'/>
+  <flag name='migration-param.downtime'/>
+  <flag name='migration-param.xbzrle-cache-size'/>
   <version>4002000</version>
   <kvmVersion>0</kvmVersion>
   <microcodeVersion>43100242</microcodeVersion>

tests/qemucapabilitiesdata/caps_5.0.0.aarch64.xml

@@ -194,6 +194,9 @@
   <flag name='virtio-blk-pci.scsi.default.disabled'/>
   <flag name='pvscsi'/>
   <flag name='fw_cfg'/>
+  <flag name='migration-param.bandwidth'/>
+  <flag name='migration-param.downtime'/>
+  <flag name='migration-param.xbzrle-cache-size'/>
   <version>5000000</version>
   <kvmVersion>0</kvmVersion>
   <microcodeVersion>61700241</microcodeVersion>

tests/qemucapabilitiesdata/caps_5.0.0.ppc64.xml

@@ -202,6 +202,9 @@
   <flag name='virtio-blk-pci.scsi.default.disabled'/>
   <flag name='pvscsi'/>
   <flag name='fw_cfg'/>
+  <flag name='migration-param.bandwidth'/>
+  <flag name='migration-param.downtime'/>
+  <flag name='migration-param.xbzrle-cache-size'/>
   <version>5000000</version>
   <kvmVersion>0</kvmVersion>
   <microcodeVersion>42900241</microcodeVersion>

tests/qemucapabilitiesdata/caps_5.0.0.riscv64.xml

@@ -190,6 +190,9 @@
   <flag name='virtio-blk-pci.scsi.default.disabled'/>
   <flag name='pvscsi'/>
   <flag name='fw_cfg'/>
+  <flag name='migration-param.bandwidth'/>
+  <flag name='migration-param.downtime'/>
+  <flag name='migration-param.xbzrle-cache-size'/>
   <version>5000000</version>
   <kvmVersion>0</kvmVersion>
   <microcodeVersion>0</microcodeVersion>

tests/qemucapabilitiesdata/caps_5.0.0.x86_64.xml

@@ -237,6 +237,9 @@
   <flag name='cpu.migratable'/>
   <flag name='query-cpu-model-expansion.migratable'/>
   <flag name='fw_cfg'/>
+  <flag name='migration-param.bandwidth'/>
+  <flag name='migration-param.downtime'/>
+  <flag name='migration-param.xbzrle-cache-size'/>
   <version>5000000</version>
   <kvmVersion>0</kvmVersion>
   <microcodeVersion>43100241</microcodeVersion>

tests/qemucapabilitiesdata/caps_5.1.0.x86_64.xml

@@ -237,6 +237,9 @@
   <flag name='cpu.migratable'/>
   <flag name='query-cpu-model-expansion.migratable'/>
   <flag name='fw_cfg'/>
+  <flag name='migration-param.bandwidth'/>
+  <flag name='migration-param.downtime'/>
+  <flag name='migration-param.xbzrle-cache-size'/>
   <version>5000050</version>
   <kvmVersion>0</kvmVersion>
   <microcodeVersion>43100242</microcodeVersion>