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Diffstat (limited to 'hw/ppc')
-rw-r--r--hw/ppc/spapr_iommu.c13
-rw-r--r--hw/ppc/spapr_pci.c6
2 files changed, 13 insertions, 6 deletions
diff --git a/hw/ppc/spapr_iommu.c b/hw/ppc/spapr_iommu.c
index 28991bc370..a3cc5722f1 100644
--- a/hw/ppc/spapr_iommu.c
+++ b/hw/ppc/spapr_iommu.c
@@ -233,11 +233,16 @@ static MemoryRegionIOMMUOps spapr_iommu_ops = {
static int spapr_tce_table_realize(DeviceState *dev)
{
sPAPRTCETable *tcet = SPAPR_TCE_TABLE(dev);
+ Object *tcetobj = OBJECT(tcet);
+ char tmp[32];
tcet->fd = -1;
tcet->need_vfio = false;
- memory_region_init_iommu(&tcet->iommu, OBJECT(dev), &spapr_iommu_ops,
- "iommu-spapr", 0);
+ snprintf(tmp, sizeof(tmp), "tce-root-%x", tcet->liobn);
+ memory_region_init(&tcet->root, tcetobj, tmp, UINT64_MAX);
+
+ snprintf(tmp, sizeof(tmp), "tce-iommu-%x", tcet->liobn);
+ memory_region_init_iommu(&tcet->iommu, tcetobj, &spapr_iommu_ops, tmp, 0);
QLIST_INSERT_HEAD(&spapr_tce_tables, tcet, list);
@@ -321,6 +326,7 @@ void spapr_tce_table_enable(sPAPRTCETable *tcet,
memory_region_set_size(&tcet->iommu,
(uint64_t)tcet->nb_table << tcet->page_shift);
+ memory_region_add_subregion(&tcet->root, tcet->bus_offset, &tcet->iommu);
}
void spapr_tce_table_disable(sPAPRTCETable *tcet)
@@ -329,6 +335,7 @@ void spapr_tce_table_disable(sPAPRTCETable *tcet)
return;
}
+ memory_region_del_subregion(&tcet->root, &tcet->iommu);
memory_region_set_size(&tcet->iommu, 0);
spapr_tce_free_table(tcet->table, tcet->fd, tcet->nb_table);
@@ -350,7 +357,7 @@ static void spapr_tce_table_unrealize(DeviceState *dev, Error **errp)
MemoryRegion *spapr_tce_get_iommu(sPAPRTCETable *tcet)
{
- return &tcet->iommu;
+ return &tcet->root;
}
static void spapr_tce_reset(DeviceState *dev)
diff --git a/hw/ppc/spapr_pci.c b/hw/ppc/spapr_pci.c
index 7688ae073a..a529effe0d 100644
--- a/hw/ppc/spapr_pci.c
+++ b/hw/ppc/spapr_pci.c
@@ -1470,13 +1470,13 @@ static void spapr_phb_realize(DeviceState *dev, Error **errp)
return;
}
+ memory_region_add_subregion_overlap(&sphb->iommu_root, 0,
+ spapr_tce_get_iommu(tcet), 0);
+
/* Register default 32bit DMA window */
spapr_tce_table_enable(tcet, SPAPR_TCE_PAGE_SHIFT, sphb->dma_win_addr,
nb_table);
- memory_region_add_subregion(&sphb->iommu_root, tcet->bus_offset,
- spapr_tce_get_iommu(tcet));
-
sphb->msi = g_hash_table_new_full(g_int_hash, g_int_equal, g_free, g_free);
}