[libvirt] [PATCH 03/23] qemu: Store CPU usability blockers in caps cache
Signed-off-by: Jiri Denemark <jdenemar(a)redhat.com>
---
src/qemu/qemu_capabilities.c | 51 ++++++++++++++++++++++++++++++++++++++++++--
1 file changed, 49 insertions(+), 2 deletions(-)
diff --git a/src/qemu/qemu_capabilities.c b/src/qemu/qemu_capabilities.c
index b20dd6ec32..1ce2aa375f 100644
--- a/src/qemu/qemu_capabilities.c
+++ b/src/qemu/qemu_capabilities.c
@@ -3727,6 +3727,10 @@ virQEMUCapsLoadCPUModels(virQEMUCapsPtr qemuCaps,
size_t i;
int n;
int ret = -1;
+ xmlNodePtr node;
+ xmlNodePtr *blockerNodes = NULL;
+ char **blockers = NULL;
+ int nblockers;
if (type == VIR_DOMAIN_VIRT_KVM)
n = virXPathNodeSet("./cpu[@type='kvm']", ctxt, &nodes);
@@ -3769,7 +3773,34 @@ virQEMUCapsLoadCPUModels(virQEMUCapsPtr qemuCaps,
goto cleanup;
}
- if (virDomainCapsCPUModelsAddSteal(cpus, &str, usable, NULL) < 0)
+ node = ctxt->node;
+ ctxt->node = nodes[i];
+ nblockers = virXPathNodeSet("./blocker", ctxt, &blockerNodes);
+ ctxt->node = node;
+
+ if (nblockers < 0) {
+ virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
+ _("failed to parse qemu capabilities cpus"));
+ goto cleanup;
+ }
+
+ if (nblockers > 0) {
+ size_t j;
+
+ if (VIR_ALLOC_N(blockers, nblockers + 1) < 0)
+ goto cleanup;
+
+ for (j = 0; j < nblockers; j++) {
+ if (!(blockers[j] = virXMLPropString(blockerNodes[j], "name")))
{
+ virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
+ _("missing blocker name in QEMU "
+ "capabilities cache"));
+ goto cleanup;
+ }
+ }
+ }
+
+ if (virDomainCapsCPUModelsAddSteal(cpus, &str, usable, &blockers) <
0)
goto cleanup;
}
@@ -3778,6 +3809,8 @@ virQEMUCapsLoadCPUModels(virQEMUCapsPtr qemuCaps,
cleanup:
VIR_FREE(nodes);
VIR_FREE(str);
+ VIR_FREE(blockerNodes);
+ virStringListFree(blockers);
return ret;
}
@@ -4135,7 +4168,21 @@ virQEMUCapsFormatCPUModels(virQEMUCapsPtr qemuCaps,
virBufferAsprintf(buf, " usable='%s'",
virDomainCapsCPUUsableTypeToString(cpu->usable));
}
- virBufferAddLit(buf, "/>\n");
+
+ if (cpu->blockers) {
+ size_t j;
+
+ virBufferAddLit(buf, ">\n");
+ virBufferAdjustIndent(buf, 2);
+
+ for (j = 0; cpu->blockers[j]; j++)
+ virBufferAsprintf(buf, "<blocker name='%s'/>\n",
cpu->blockers[j]);
+
+ virBufferAdjustIndent(buf, -2);
+ virBufferAddLit(buf, "</cpu>\n");
+ } else {
+ virBufferAddLit(buf, "/>\n");
+ }
}
}
--
2.14.2