[PATCH v3 21/22] i386/intel-iommu: Move dma_translation to x86-iommu

[Alejandro Jimenez <alejandro.j.jimenez@oracle.com>]

From: Joao Martins <joao.m.martins@oracle.com>

To be later reused by AMD, now that it shares similar property.

Signed-off-by: Joao Martins <joao.m.martins@oracle.com>
Signed-off-by: Alejandro Jimenez <alejandro.j.jimenez@oracle.com>
---
 hw/i386/intel_iommu.c       | 5 ++---
 hw/i386/x86-iommu.c         | 1 +
 include/hw/i386/x86-iommu.h | 1 +
 3 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/hw/i386/intel_iommu.c b/hw/i386/intel_iommu.c
index 83c5e444131a3..2b848d094cfb7 100644
--- a/hw/i386/intel_iommu.c
+++ b/hw/i386/intel_iommu.c
@@ -2701,7 +2701,7 @@ static void vtd_handle_gcmd_write(IntelIOMMUState *s)
     uint32_t changed = status ^ val;
 
     trace_vtd_reg_write_gcmd(status, val);
-    if ((changed & VTD_GCMD_TE) && s->dma_translation) {
+    if ((changed & VTD_GCMD_TE) && x86_iommu->dma_translation) {
         /* Translation enable/disable */
         vtd_handle_gcmd_te(s, val & VTD_GCMD_TE);
     }
@@ -3835,7 +3835,6 @@ static const Property vtd_properties[] = {
     DEFINE_PROP_BOOL("snoop-control", IntelIOMMUState, snoop_control, false),
     DEFINE_PROP_BOOL("x-pasid-mode", IntelIOMMUState, pasid, false),
     DEFINE_PROP_BOOL("dma-drain", IntelIOMMUState, dma_drain, true),
-    DEFINE_PROP_BOOL("dma-translation", IntelIOMMUState, dma_translation, true),
     DEFINE_PROP_BOOL("stale-tm", IntelIOMMUState, stale_tm, false),
     DEFINE_PROP_BOOL("fs1gp", IntelIOMMUState, fs1gp, true),
 };
@@ -4553,7 +4552,7 @@ static void vtd_cap_init(IntelIOMMUState *s)
     if (s->dma_drain) {
         s->cap |= VTD_CAP_DRAIN;
     }
-    if (s->dma_translation) {
+    if (x86_iommu->dma_translation) {
             if (s->aw_bits >= VTD_HOST_AW_39BIT) {
                     s->cap |= VTD_CAP_SAGAW_39bit;
             }
diff --git a/hw/i386/x86-iommu.c b/hw/i386/x86-iommu.c
index d34a6849f4ae9..c127a44bb4bc8 100644
--- a/hw/i386/x86-iommu.c
+++ b/hw/i386/x86-iommu.c
@@ -130,6 +130,7 @@ static const Property x86_iommu_properties[] = {
                             intr_supported, ON_OFF_AUTO_AUTO),
     DEFINE_PROP_BOOL("device-iotlb", X86IOMMUState, dt_supported, false),
     DEFINE_PROP_BOOL("pt", X86IOMMUState, pt_supported, true),
+    DEFINE_PROP_BOOL("dma-translation", X86IOMMUState, dma_translation, true),
 };
 
 static void x86_iommu_class_init(ObjectClass *klass, const void *data)
diff --git a/include/hw/i386/x86-iommu.h b/include/hw/i386/x86-iommu.h
index bfd21649d0838..e89f55a5c215c 100644
--- a/include/hw/i386/x86-iommu.h
+++ b/include/hw/i386/x86-iommu.h
@@ -64,6 +64,7 @@ struct X86IOMMUState {
     OnOffAuto intr_supported;   /* Whether vIOMMU supports IR */
     bool dt_supported;          /* Whether vIOMMU supports DT */
     bool pt_supported;          /* Whether vIOMMU supports pass-through */
+    bool dma_translation;       /* Whether vIOMMU supports DMA translation */
     QLIST_HEAD(, IEC_Notifier) iec_notifiers; /* IEC notify list */
 };
 
-- 
2.43.5