[PATCH v3 11/29] conf, qemu: add 'pnv-phb3' PCI controller model name

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Add support for the pcie-root implementation that PowerNV8 domains uses,
pnv-phb3.

It consists of a PCI model name that isn't supposed to be changed by
users, so no doc changes in formatdomain.rst were made.

Reviewed-by: Ján Tomko <jtomko@xxxxxxxxxx>
Signed-off-by: Daniel Henrique Barboza <danielhb413@xxxxxxxxx>
---
 docs/schemas/domaincommon.rng                            | 2 ++
 src/conf/domain_conf.c                                   | 1 +
 src/conf/domain_conf.h                                   | 1 +
 src/qemu/qemu_domain_address.c                           | 3 +++
 src/qemu/qemu_validate.c                                 | 8 ++++++--
 tests/qemuxml2xmloutdata/powernv8-basic.ppc64-latest.xml | 4 +++-
 6 files changed, 16 insertions(+), 3 deletions(-)

diff --git a/docs/schemas/domaincommon.rng b/docs/schemas/domaincommon.rng
index ad9432ea3d..f472055700 100644
--- a/docs/schemas/domaincommon.rng
+++ b/docs/schemas/domaincommon.rng
@@ -2597,6 +2597,8 @@
                     <value>pci-bridge</value>
                     <!-- implementations of "dmi-to-pci-bridge" -->
                     <value>i82801b11-bridge</value>
+                    <!-- implementations of "pcie-root" -->
+                    <value>pnv-phb3</value>
                     <!-- implementations of "pcie-to-pci-bridge" -->
                     <value>pcie-pci-bridge</value>
                     <!-- implementations of "pcie-root-port" -->
diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c
index b4f13c4b98..06d1294797 100644
--- a/src/conf/domain_conf.c
+++ b/src/conf/domain_conf.c
@@ -439,6 +439,7 @@ VIR_ENUM_IMPL(virDomainControllerPCIModelName,
               "spapr-pci-host-bridge",
               "pcie-pci-bridge",
               "pnv-phb3-root-port",
+              "pnv-phb3",
 );
 
 VIR_ENUM_IMPL(virDomainControllerModelSCSI,
diff --git a/src/conf/domain_conf.h b/src/conf/domain_conf.h
index 60be338541..6848b3a81f 100644
--- a/src/conf/domain_conf.h
+++ b/src/conf/domain_conf.h
@@ -647,6 +647,7 @@ typedef enum {
     VIR_DOMAIN_CONTROLLER_PCI_MODEL_NAME_SPAPR_PCI_HOST_BRIDGE,
     VIR_DOMAIN_CONTROLLER_PCI_MODEL_NAME_PCIE_PCI_BRIDGE,
     VIR_DOMAIN_CONTROLLER_PCI_MODEL_NAME_PNV_PHB3_ROOT_PORT,
+    VIR_DOMAIN_CONTROLLER_PCI_MODEL_NAME_PNV_PHB3,
 
     VIR_DOMAIN_CONTROLLER_PCI_MODEL_NAME_LAST
 } virDomainControllerPCIModelName;
diff --git a/src/qemu/qemu_domain_address.c b/src/qemu/qemu_domain_address.c
index 56491e04fe..fb0b74fa57 100644
--- a/src/qemu/qemu_domain_address.c
+++ b/src/qemu/qemu_domain_address.c
@@ -2450,6 +2450,9 @@ qemuDomainPCIControllerSetDefaultModelName(virDomainControllerDef *cont,
             *modelName = VIR_DOMAIN_CONTROLLER_PCI_MODEL_NAME_SPAPR_PCI_HOST_BRIDGE;
         break;
     case VIR_DOMAIN_CONTROLLER_MODEL_PCIE_ROOT:
+        if (qemuDomainIsPowerNV(def))
+            *modelName = VIR_DOMAIN_CONTROLLER_PCI_MODEL_NAME_PNV_PHB3;
+        break;
     case VIR_DOMAIN_CONTROLLER_MODEL_PCI_DEFAULT:
     case VIR_DOMAIN_CONTROLLER_MODEL_PCI_LAST:
         break;
diff --git a/src/qemu/qemu_validate.c b/src/qemu/qemu_validate.c
index 37dcebaca3..f15ac545b0 100644
--- a/src/qemu/qemu_validate.c
+++ b/src/qemu/qemu_validate.c
@@ -3435,6 +3435,8 @@ virValidateControllerPCIModelNameToQEMUCaps(int modelName)
         return QEMU_CAPS_DEVICE_PCIE_PCI_BRIDGE;
     case VIR_DOMAIN_CONTROLLER_PCI_MODEL_NAME_PNV_PHB3_ROOT_PORT:
         return QEMU_CAPS_DEVICE_PNV_PHB3;
+    case VIR_DOMAIN_CONTROLLER_PCI_MODEL_NAME_PNV_PHB3:
+        return QEMU_CAPS_DEVICE_PNV_PHB3;
     case VIR_DOMAIN_CONTROLLER_PCI_MODEL_NAME_NONE:
         return 0;
     case VIR_DOMAIN_CONTROLLER_PCI_MODEL_NAME_LAST:
@@ -3563,7 +3565,8 @@ qemuValidateDomainDeviceDefControllerPCI(const virDomainControllerDef *cont,
         break;
 
     case VIR_DOMAIN_CONTROLLER_MODEL_PCIE_ROOT:
-        if (pciopts->modelName != VIR_DOMAIN_CONTROLLER_PCI_MODEL_NAME_NONE) {
+        if (pciopts->modelName != VIR_DOMAIN_CONTROLLER_PCI_MODEL_NAME_NONE &&
+            !qemuDomainIsPowerNV(def)) {
             virReportControllerInvalidOption(cont, model, modelName, "modelName");
             return -1;
         }
@@ -3645,7 +3648,8 @@ qemuValidateDomainDeviceDefControllerPCI(const virDomainControllerDef *cont,
         break;
 
     case VIR_DOMAIN_CONTROLLER_MODEL_PCIE_ROOT:
-        if (pciopts->modelName != VIR_DOMAIN_CONTROLLER_PCI_MODEL_NAME_NONE) {
+        if (pciopts->modelName != VIR_DOMAIN_CONTROLLER_PCI_MODEL_NAME_NONE &&
+            !qemuDomainIsPowerNV(def)) {
             virReportControllerInvalidValue(cont, model, modelName, "modelName");
             return -1;
         }
diff --git a/tests/qemuxml2xmloutdata/powernv8-basic.ppc64-latest.xml b/tests/qemuxml2xmloutdata/powernv8-basic.ppc64-latest.xml
index cb9b3cf86f..ebbc0653ca 100644
--- a/tests/qemuxml2xmloutdata/powernv8-basic.ppc64-latest.xml
+++ b/tests/qemuxml2xmloutdata/powernv8-basic.ppc64-latest.xml
@@ -17,7 +17,9 @@
   <on_crash>destroy</on_crash>
   <devices>
     <emulator>/usr/bin/qemu-system-ppc64</emulator>
-    <controller type='pci' index='0' model='pcie-root'/>
+    <controller type='pci' index='0' model='pcie-root'>
+      <model name='pnv-phb3'/>
+    </controller>
     <serial type='pty'>
       <target type='isa-serial' port='0'>
         <model name='isa-serial'/>
-- 
2.35.1




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