[PATCHv2 12/16] qemu: Correct CPU capabilities probing for hvf

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With this change virsh domcapabilites shows:
  <mode name='host-passthrough' supported='yes'/>

Signed-off-by: Roman Bolshakov <r.bolshakov@xxxxxxxxx>
Reviewed-by: Daniel P. Berrangé <berrange@xxxxxxxxxx>
---
 src/qemu/qemu_capabilities.c | 28 +++++++++++++++++++++++++---
 1 file changed, 25 insertions(+), 3 deletions(-)

diff --git a/src/qemu/qemu_capabilities.c b/src/qemu/qemu_capabilities.c
index 8a1fb2b5d9..4297a11b27 100644
--- a/src/qemu/qemu_capabilities.c
+++ b/src/qemu/qemu_capabilities.c
@@ -640,13 +640,15 @@ static const char *virQEMUCapsArchToString(virArch arch)
 static bool
 virQEMUCapsTypeIsAccelerated(virDomainVirtType type)
 {
-    return type == VIR_DOMAIN_VIRT_KVM;
+    return type == VIR_DOMAIN_VIRT_KVM ||
+           type == VIR_DOMAIN_VIRT_HVF;
 }
 
 static bool
 virQEMUCapsHaveAccel(virQEMUCapsPtr qemuCaps)
 {
-    return virQEMUCapsGet(qemuCaps, QEMU_CAPS_KVM);
+    return virQEMUCapsGet(qemuCaps, QEMU_CAPS_KVM) ||
+           virQEMUCapsGet(qemuCaps, QEMU_CAPS_HVF);
 }
 
 static virDomainVirtType
@@ -654,6 +656,8 @@ virQEMUCapsToVirtType(virQEMUCapsPtr qemuCaps)
 {
     if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_KVM))
         return VIR_DOMAIN_VIRT_KVM;
+    else if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_HVF))
+        return VIR_DOMAIN_VIRT_HVF;
     else
         return VIR_DOMAIN_VIRT_QEMU;
 }
@@ -663,6 +667,8 @@ virQEMUCapsAccelStr(virDomainVirtType type)
 {
     if (type == VIR_DOMAIN_VIRT_KVM) {
         return "kvm";
+    } else if (type == VIR_DOMAIN_VIRT_HVF) {
+        return "hvf";
     } else {
         return "tcg";
     }
@@ -3109,6 +3115,8 @@ virQEMUCapsLoadHostCPUModelInfo(virQEMUCapsPtr qemuCaps,
 
     if (virtType == VIR_DOMAIN_VIRT_KVM)
         hostCPUNode = virXPathNode("./hostCPU[@type='kvm']", ctxt);
+    else if (virtType == VIR_DOMAIN_VIRT_HVF)
+        hostCPUNode = virXPathNode("./hostCPU[@type='hvf']", ctxt);
     else
         hostCPUNode = virXPathNode("./hostCPU[@type='tcg']", ctxt);
 
@@ -3244,6 +3252,8 @@ virQEMUCapsLoadCPUModels(virQEMUCapsPtr qemuCaps,
 
     if (type == VIR_DOMAIN_VIRT_KVM)
         n = virXPathNodeSet("./cpu[@type='kvm']", ctxt, &nodes);
+    else if (type == VIR_DOMAIN_VIRT_HVF)
+        n = virXPathNodeSet("./cpu[@type='hvf']", ctxt, &nodes);
     else
         n = virXPathNodeSet("./cpu[@type='tcg']", ctxt, &nodes);
 
@@ -3542,11 +3552,15 @@ virQEMUCapsLoadCache(virArch hostArch,
 
     if ((virQEMUCapsGet(qemuCaps, QEMU_CAPS_KVM) &&
          virQEMUCapsLoadHostCPUModelInfo(qemuCaps, ctxt, VIR_DOMAIN_VIRT_KVM) < 0) ||
+        (virQEMUCapsGet(qemuCaps, QEMU_CAPS_HVF) &&
+         virQEMUCapsLoadHostCPUModelInfo(qemuCaps, ctxt, VIR_DOMAIN_VIRT_HVF) < 0) ||
         virQEMUCapsLoadHostCPUModelInfo(qemuCaps, ctxt, VIR_DOMAIN_VIRT_QEMU) < 0)
         goto cleanup;
 
     if ((virQEMUCapsGet(qemuCaps, QEMU_CAPS_KVM) &&
          virQEMUCapsLoadCPUModels(qemuCaps, ctxt, VIR_DOMAIN_VIRT_KVM) < 0) ||
+        (virQEMUCapsGet(qemuCaps, QEMU_CAPS_HVF) &&
+         virQEMUCapsLoadCPUModels(qemuCaps, ctxt, VIR_DOMAIN_VIRT_HVF) < 0) ||
         virQEMUCapsLoadCPUModels(qemuCaps, ctxt, VIR_DOMAIN_VIRT_QEMU) < 0)
         goto cleanup;
 
@@ -3661,6 +3675,8 @@ virQEMUCapsLoadCache(virArch hostArch,
 
     if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_KVM))
       virQEMUCapsInitHostCPUModel(qemuCaps, hostArch, VIR_DOMAIN_VIRT_KVM);
+    if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_HVF))
+      virQEMUCapsInitHostCPUModel(qemuCaps, hostArch, VIR_DOMAIN_VIRT_HVF);
     virQEMUCapsInitHostCPUModel(qemuCaps, hostArch, VIR_DOMAIN_VIRT_QEMU);
 
     ret = 0;
@@ -3841,10 +3857,14 @@ virQEMUCapsFormatCache(virQEMUCapsPtr qemuCaps)
 
     if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_KVM))
       virQEMUCapsFormatHostCPUModelInfo(qemuCaps, &buf, VIR_DOMAIN_VIRT_KVM);
+    if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_HVF))
+      virQEMUCapsFormatHostCPUModelInfo(qemuCaps, &buf, VIR_DOMAIN_VIRT_HVF);
     virQEMUCapsFormatHostCPUModelInfo(qemuCaps, &buf, VIR_DOMAIN_VIRT_QEMU);
 
     if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_KVM))
       virQEMUCapsFormatCPUModels(qemuCaps, &buf, VIR_DOMAIN_VIRT_KVM);
+    if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_HVF))
+      virQEMUCapsFormatCPUModels(qemuCaps, &buf, VIR_DOMAIN_VIRT_HVF);
     virQEMUCapsFormatCPUModels(qemuCaps, &buf, VIR_DOMAIN_VIRT_QEMU);
 
     for (i = 0; i < qemuCaps->nmachineTypes; i++) {
@@ -4455,7 +4475,7 @@ virQEMUCapsInitQMPCommandRun(virQEMUCapsInitQMPCommandPtr cmd,
     if (forceTCG)
         machine = "none,accel=tcg";
     else
-        machine = "none,accel=kvm:tcg";
+        machine = "none,accel=kvm:hvf:tcg";
 
     VIR_DEBUG("Try to probe capabilities of '%s' via QMP, machine %s",
               cmd->binary, machine);
@@ -4646,6 +4666,8 @@ virQEMUCapsNewForBinaryInternal(virArch hostArch,
 
     if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_KVM))
       virQEMUCapsInitHostCPUModel(qemuCaps, hostArch, VIR_DOMAIN_VIRT_KVM);
+    if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_HVF))
+      virQEMUCapsInitHostCPUModel(qemuCaps, hostArch, VIR_DOMAIN_VIRT_HVF);
     virQEMUCapsInitHostCPUModel(qemuCaps, hostArch, VIR_DOMAIN_VIRT_QEMU);
 
     if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_KVM)) {
-- 
2.19.1

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