Hi Andrea,
We need to also adjust the memlock limits along with this patch.
I have the changes here if you want to append to this patch.
Thanks,
Shivaprasad
On Fri, Jun 23, 2017 at 8:33 PM, Andrea Bolognani <abologna@xxxxxxxxxx> wrote:
Additional PHBs (pci-root controllers) will be created for
the guest using the spapr-pci-host-bridge QEMU device, if
available; the implicit default PHB, while present in the
guest configuration, will be skipped.
Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1431193
Signed-off-by: Andrea Bolognani <abologna@xxxxxxxxxx>
---
src/qemu/qemu_command.c | 47 ++++++++++++++++++++++++++++++++++++++++++++---
1 file changed, 44 insertions(+), 3 deletions(-)
diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c
index dba2519..fb0beed 100644
--- a/src/qemu/qemu_command.c
+++ b/src/qemu/qemu_command.c
@@ -3164,6 +3164,40 @@ qemuBuildControllerDevStr(const virDomainDef *domainDef,
def->opts.pciopts.numaNode);
break;
case VIR_DOMAIN_CONTROLLER_MODEL_PCI_ROOT:
+ if (def->opts.pciopts.modelName == VIR_DOMAIN_CONTROLLER_PCI_MODEL_NAME_NONE ||
+ def->opts.pciopts.idx == -1) {
+ virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
+ _("autogenerated pci-root options not set"));
+ goto error;
+ }
+
+ /* Skip the implicit one */
+ if (def->opts.pciopts.idx == 0)
+ goto done;
+
+ modelName = virDomainControllerPCIModelNameTypeToString(def->opts. pciopts.modelName);
+ if (!modelName) {
+ virReportError(VIR_ERR_INTERNAL_ERROR,
+ _("unknown pci-root model name value %d"),
+ def->opts.pciopts.modelName);
+ goto error;
+ }
+ if (def->opts.pciopts.modelName != VIR_DOMAIN_CONTROLLER_PCI_MODEL_NAME_SPAPR_PCI_HOST_ BRIDGE) {
+ virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
+ _("PCI controller model name '%s' is not valid for a pci-root"),
+ modelName);
+ goto error;
+ }
+ if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE_SPAPR_PCI_HOST_BRIDGE)) {
+ virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
+ _("the spapr-pci-host-bridge controller "
+ "is not supported in this QEMU binary"));
+ goto error;
+ }
+ virBufferAsprintf(&buf, "%s,index=%d,id=%s",
+ modelName, def->opts.pciopts.idx,
+ def->info.alias);
+ break;
case VIR_DOMAIN_CONTROLLER_MODEL_PCIE_ROOT:
case VIR_DOMAIN_CONTROLLER_MODEL_PCI_LAST:
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
@@ -3213,6 +3247,7 @@ qemuBuildControllerDevStr(const virDomainDef *domainDef,
if (virBufferCheckError(&buf) < 0)
goto error;
+ done:
*devstr = virBufferContentAndReset(&buf);
return 0;
@@ -3270,10 +3305,16 @@ qemuBuildControllerDevCommandLine(virCommandPtr cmd,
continue;
}
- /* skip pci-root/pcie-root */
+ /* skip pcie-root */
if (cont->type == VIR_DOMAIN_CONTROLLER_TYPE_PCI &&
- (cont->model == VIR_DOMAIN_CONTROLLER_MODEL_PCI_ROOT ||
- cont->model == VIR_DOMAIN_CONTROLLER_MODEL_PCIE_ROOT))
+ cont->model == VIR_DOMAIN_CONTROLLER_MODEL_PCIE_ROOT)
+ continue;
+
+ /* Skip pci-root, except for pSeries guests (which actually
+ * support more than one PCI Host Bridge per guest) */
+ if (!qemuDomainIsPSeries(def) &&
+ cont->type == VIR_DOMAIN_CONTROLLER_TYPE_PCI &&
+ cont->model == VIR_DOMAIN_CONTROLLER_MODEL_PCI_ROOT)
continue;
/* first SATA controller on Q35 machines is implicit */
--
2.7.5
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