qemu: Make migration params usable outside migration

So far migration parameters were changed only at the beginning of
migration mostly via an automatic translation from flags and typed
parameters. We need to export a few more functions to support APIs which
may set migration parameters while migration is already running.

Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>

diff --git a/src/qemu/qemu_migration_params.c b/src/qemu/qemu_migration_params.c
index 47daa35087ae33dd7cdecfc5d93a16c22f04cb99..40dafcb2266d59e2b8e26c4fab7b222b1dd50e75 100644 (file)
--- a/src/qemu/qemu_migration_params.c
+++ b/src/qemu/qemu_migration_params.c
@@ -216,7 +216,7 @@ qemuMigrationParamsGetAlwaysOnCaps(qemuMigrationParty party)
 }
 
 
-static qemuMigrationParamsPtr
+qemuMigrationParamsPtr
 qemuMigrationParamsNew(void)
 {
     qemuMigrationParamsPtr params;
@@ -1039,6 +1039,20 @@ qemuMigrationParamsFetch(virQEMUDriverPtr driver,
 }
 
 
+int
+qemuMigrationParamsSetULL(qemuMigrationParamsPtr migParams,
+                          qemuMigrationParam param,
+                          unsigned long long value)
+{
+    if (qemuMigrationParamsCheckType(param, QEMU_MIGRATION_PARAM_TYPE_ULL) < 0)
+        return -1;
+
+    migParams->params[param].value.ull = value;
+    migParams->params[param].set = true;
+    return 0;
+}
+
+
 /**
  * Returns -1 on error,
  *          0 on success,

diff --git a/src/qemu/qemu_migration_params.h b/src/qemu/qemu_migration_params.h
index 709b818dcfa64503d284e713c74898ad295ab8f6..db0745ec28f75666a2899282b58218a2b8217946 100644 (file)
--- a/src/qemu/qemu_migration_params.h
+++ b/src/qemu/qemu_migration_params.h
@@ -84,8 +84,12 @@ qemuMigrationParamsDump(qemuMigrationParamsPtr migParams,
                         int *maxparams,
                         unsigned long *flags);
 
+qemuMigrationParamsPtr
+qemuMigrationParamsNew(void);
+
 void
 qemuMigrationParamsFree(qemuMigrationParamsPtr migParams);
+VIR_DEFINE_AUTOPTR_FUNC(qemuMigrationParams, qemuMigrationParamsFree)
 
 int
 qemuMigrationParamsApply(virQEMUDriverPtr driver,
@@ -112,6 +116,11 @@ qemuMigrationParamsFetch(virQEMUDriverPtr driver,
                          int asyncJob,
                          qemuMigrationParamsPtr *migParams);
 
+int
+qemuMigrationParamsSetULL(qemuMigrationParamsPtr migParams,
+                          qemuMigrationParam param,
+                          unsigned long long value);
+
 int
 qemuMigrationParamsGetULL(qemuMigrationParamsPtr migParams,
                           qemuMigrationParam param,