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Diffstat (limited to 'hw/ppc/spapr_iommu.c')
-rw-r--r--hw/ppc/spapr_iommu.c26
1 files changed, 16 insertions, 10 deletions
diff --git a/hw/ppc/spapr_iommu.c b/hw/ppc/spapr_iommu.c
index ba003da39e..f3990fdc32 100644
--- a/hw/ppc/spapr_iommu.c
+++ b/hw/ppc/spapr_iommu.c
@@ -25,6 +25,7 @@
#include "trace.h"
#include "hw/ppc/spapr.h"
+#include "hw/ppc/spapr_vio.h"
#include <libfdt.h>
@@ -73,9 +74,7 @@ static IOMMUTLBEntry spapr_tce_translate_iommu(MemoryRegion *iommu, hwaddr addr,
.perm = IOMMU_NONE,
};
- if (tcet->bypass) {
- ret.perm = IOMMU_RW;
- } else if ((addr >> tcet->page_shift) < tcet->nb_table) {
+ if ((addr >> tcet->page_shift) < tcet->nb_table) {
/* Check if we are in bound */
hwaddr page_mask = IOMMU_PAGE_MASK(tcet->page_shift);
@@ -91,10 +90,22 @@ static IOMMUTLBEntry spapr_tce_translate_iommu(MemoryRegion *iommu, hwaddr addr,
return ret;
}
+static int spapr_tce_table_post_load(void *opaque, int version_id)
+{
+ sPAPRTCETable *tcet = SPAPR_TCE_TABLE(opaque);
+
+ if (tcet->vdev) {
+ spapr_vio_set_bypass(tcet->vdev, tcet->bypass);
+ }
+
+ return 0;
+}
+
static const VMStateDescription vmstate_spapr_tce_table = {
.name = "spapr_iommu",
.version_id = 2,
.minimum_version_id = 2,
+ .post_load = spapr_tce_table_post_load,
.fields = (VMStateField []) {
/* Sanity check */
VMSTATE_UINT32_EQUAL(liobn, sPAPRTCETable),
@@ -132,7 +143,8 @@ static int spapr_tce_table_realize(DeviceState *dev)
trace_spapr_iommu_new_table(tcet->liobn, tcet, tcet->table, tcet->fd);
memory_region_init_iommu(&tcet->iommu, OBJECT(dev), &spapr_iommu_ops,
- "iommu-spapr", ram_size);
+ "iommu-spapr",
+ (uint64_t)tcet->nb_table << tcet->page_shift);
QLIST_INSERT_HEAD(&spapr_tce_tables, tcet, list);
@@ -192,17 +204,11 @@ MemoryRegion *spapr_tce_get_iommu(sPAPRTCETable *tcet)
return &tcet->iommu;
}
-void spapr_tce_set_bypass(sPAPRTCETable *tcet, bool bypass)
-{
- tcet->bypass = bypass;
-}
-
static void spapr_tce_reset(DeviceState *dev)
{
sPAPRTCETable *tcet = SPAPR_TCE_TABLE(dev);
size_t table_size = tcet->nb_table * sizeof(uint64_t);
- tcet->bypass = false;
memset(tcet->table, 0, table_size);
}