[libvirt] [PATCH 1/5] Store max migration bandwidth in qemuDomainObjPrivate struct

Jim Fehlig jfehlig at suse.com
Wed Sep 14 16:43:06 UTC 2011


From: Jim Fehlig <jfehlig at novell.com>

The maximum bandwidth that can be consumed when migrating a domain
is better classified as an operational vs configuration parameter of
the dommain.  As such, store this parameter in qemuDomainObjPrivate
structure.
---
 src/qemu/qemu_domain.c |    2 ++
 src/qemu/qemu_domain.h |    5 +++++
 2 files changed, 7 insertions(+), 0 deletions(-)

diff --git a/src/qemu/qemu_domain.c b/src/qemu/qemu_domain.c
index 982bad6..d2cc2f0 100644
--- a/src/qemu/qemu_domain.c
+++ b/src/qemu/qemu_domain.c
@@ -215,6 +215,8 @@ static void *qemuDomainObjPrivateAlloc(void)
     if (qemuDomainObjInitJob(priv) < 0)
         VIR_FREE(priv);
 
+    priv->migMaxBandwidth = QEMU_DOMAIN_DEFAULT_MIG_BANDWIDTH_MAX;
+
     return priv;
 }
 
diff --git a/src/qemu/qemu_domain.h b/src/qemu/qemu_domain.h
index 55875fe..e44ff8a 100644
--- a/src/qemu/qemu_domain.h
+++ b/src/qemu/qemu_domain.h
@@ -36,6 +36,9 @@
      (1 << VIR_DOMAIN_VIRT_KVM) |      \
      (1 << VIR_DOMAIN_VIRT_XEN))
 
+# define QEMU_DOMAIN_DEFAULT_MIG_BANDWIDTH_MAX (32 << 20)
+# define QEMU_DOMAIN_FILE_MIG_BANDWIDTH_MAX    (INT64_MAX / (1024 * 1024))
+
 # define JOB_MASK(job)                  (1 << (job - 1))
 # define DEFAULT_JOB_MASK               \
     (JOB_MASK(QEMU_JOB_QUERY) |         \
@@ -115,6 +118,8 @@ struct _qemuDomainObjPrivate {
     bool fakeReboot;
 
     int jobs_queued;
+
+    unsigned long migMaxBandwidth;
 };
 
 struct qemuDomainWatchdogEvent
-- 
1.7.5.4




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