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From e2bc63134ab6c302d7a7e605e0da4fd46b4c687a Mon Sep 17 00:00:00 2001
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Message-Id: <e2bc63134ab6c302d7a7e605e0da4fd46b4c687a@dist-git>
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From: John Ferlan <jferlan@redhat.com>
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Date: Thu, 18 Sep 2014 09:29:52 -0400
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Subject: [PATCH] qemu_domain: Add niothreadpids and iothreadpids
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https://bugzilla.redhat.com/show_bug.cgi?id=1101574
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Add new 'niothreadpids' and 'iothreadpids' to mimic the 'ncpupids' and
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'vcpupids' that already exist.
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(cherry picked from commit 586905512ac2a43698e6d1fa9e719fa564571613)
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Signed-off-by: John Ferlan <jferlan@redhat.com>
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Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
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---
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 src/qemu/qemu_domain.c | 36 ++++++++++++++++++++++++++++++++++++
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 src/qemu/qemu_domain.h |  3 +++
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 2 files changed, 39 insertions(+)
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diff --git a/src/qemu/qemu_domain.c b/src/qemu/qemu_domain.c
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index c0306d7..863ab09 100644
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--- a/src/qemu/qemu_domain.c
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+++ b/src/qemu/qemu_domain.c
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@@ -425,6 +425,7 @@ qemuDomainObjPrivateFree(void *data)
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     virDomainChrSourceDefFree(priv->monConfig);
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     qemuDomainObjFreeJob(priv);
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     VIR_FREE(priv->vcpupids);
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+    VIR_FREE(priv->iothreadpids);
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     VIR_FREE(priv->lockState);
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     VIR_FREE(priv->origname);
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@@ -483,6 +484,18 @@ qemuDomainObjPrivateXMLFormat(virBufferPtr buf, void *data)
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         virBufferAddLit(buf, "</vcpus>\n");
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     }
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+    if (priv->niothreadpids) {
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+        size_t i;
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+        virBufferAddLit(buf, "<iothreads>\n");
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+        virBufferAdjustIndent(buf, 2);
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+        for (i = 0; i < priv->niothreadpids; i++) {
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+            virBufferAsprintf(buf, "<iothread pid='%d'/>\n",
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+                              priv->iothreadpids[i]);
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+        }
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+        virBufferAdjustIndent(buf, -2);
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+        virBufferAddLit(buf, "</iothreads>\n");
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+    }
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+
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     if (priv->qemuCaps) {
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         size_t i;
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         virBufferAddLit(buf, "<qemuCaps>\n");
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@@ -606,6 +619,29 @@ qemuDomainObjPrivateXMLParse(xmlXPathContextPtr ctxt, void *data)
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         VIR_FREE(nodes);
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     }
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+    n = virXPathNodeSet("./iothreads/iothread", ctxt, &nodes);
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+    if (n < 0)
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+        goto error;
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+    if (n) {
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+        priv->niothreadpids = n;
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+        if (VIR_REALLOC_N(priv->iothreadpids, priv->niothreadpids) < 0)
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+            goto error;
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+
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+        for (i = 0; i < n; i++) {
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+            char *pidstr = virXMLPropString(nodes[i], "pid");
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+            if (!pidstr)
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+                goto error;
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+
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+            if (virStrToLong_i(pidstr, NULL, 10,
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+                               &(priv->iothreadpids[i])) < 0) {
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+                VIR_FREE(pidstr);
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+                goto error;
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+            }
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+            VIR_FREE(pidstr);
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+        }
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+        VIR_FREE(nodes);
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+    }
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+
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     if ((n = virXPathNodeSet("./qemuCaps/flag", ctxt, &nodes)) < 0) {
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         virReportError(VIR_ERR_INTERNAL_ERROR,
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                        "%s", _("failed to parse qemu capabilities flags"));
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diff --git a/src/qemu/qemu_domain.h b/src/qemu/qemu_domain.h
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index 479b51f..4ae2c57 100644
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--- a/src/qemu/qemu_domain.h
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+++ b/src/qemu/qemu_domain.h
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@@ -154,6 +154,9 @@ struct _qemuDomainObjPrivate {
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     int nvcpupids;
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     int *vcpupids;
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+    int niothreadpids;
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+    int *iothreadpids;
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+
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     virDomainPCIAddressSetPtr pciaddrs;
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     virDomainCCWAddressSetPtr ccwaddrs;
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     int persistentAddrs;
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-- 
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2.1.0
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