[libvirt PATCH v2 2/4] qemu: pvscsi: Add support for vmpvscsi controller model

[Chris Jester-Young <cky@xxxxxx>]

Availability of the vmpvscsi controller model is gated by the pvscsi
capability.

Signed-off-by: Chris Jester-Young <cky@xxxxxx>
---
 src/qemu/qemu_command.c  | 4 +++-
 src/qemu/qemu_validate.c | 9 ++++++++-
 2 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c
index 2d8a6fb0dd..bfe70ed228 100644
--- a/src/qemu/qemu_command.c
+++ b/src/qemu/qemu_command.c
@@ -2573,9 +2573,11 @@ qemuBuildControllerDevStr(const virDomainDef *domainDef,
         case VIR_DOMAIN_CONTROLLER_MODEL_SCSI_LSISAS1078:
             virBufferAddLit(&buf, "megasas");
             break;
+        case VIR_DOMAIN_CONTROLLER_MODEL_SCSI_VMPVSCSI:
+            virBufferAddLit(&buf, "pvscsi");
+            break;
         case VIR_DOMAIN_CONTROLLER_MODEL_SCSI_AUTO:
         case VIR_DOMAIN_CONTROLLER_MODEL_SCSI_BUSLOGIC:
-        case VIR_DOMAIN_CONTROLLER_MODEL_SCSI_VMPVSCSI:
             virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
                            _("Unsupported controller model: %s"),
                            virDomainControllerModelSCSITypeToString(def->model));
diff --git a/src/qemu/qemu_validate.c b/src/qemu/qemu_validate.c
index d34151050f..fde1892d42 100644
--- a/src/qemu/qemu_validate.c
+++ b/src/qemu/qemu_validate.c
@@ -2362,9 +2362,16 @@ qemuValidateCheckSCSIControllerModel(virQEMUCapsPtr qemuCaps,
             return false;
         }
         break;
+    case VIR_DOMAIN_CONTROLLER_MODEL_SCSI_VMPVSCSI:
+        if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_SCSI_PVSCSI)) {
+            virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
+                           _("This QEMU doesn't support "
+                             "the pvscsi (VMware paravirtual SCSI) controller"));
+            return false;
+        }
+        break;
     case VIR_DOMAIN_CONTROLLER_MODEL_SCSI_AUTO:
     case VIR_DOMAIN_CONTROLLER_MODEL_SCSI_BUSLOGIC:
-    case VIR_DOMAIN_CONTROLLER_MODEL_SCSI_VMPVSCSI:
         virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
                        _("Unsupported controller model: %s"),
                        virDomainControllerModelSCSITypeToString(model));
-- 
2.25.1