void spapr_iommu_init(void);
DMAContext *spapr_tce_new_dma_context(uint32_t liobn, size_t window_size);
void spapr_tce_free(DMAContext *dma);
+void spapr_tce_reset(DMAContext *dma);
int spapr_dma_dt(void *fdt, int node_off, const char *propname,
uint32_t liobn, uint64_t window, uint32_t size);
int spapr_tcet_dma_dt(void *fdt, int node_off, const char *propname,
}
}
+void spapr_tce_reset(DMAContext *dma)
+{
+ if (dma) {
+ sPAPRTCETable *tcet = DO_UPCAST(sPAPRTCETable, dma, dma);
+ size_t table_size = (tcet->window_size >> SPAPR_TCE_PAGE_SHIFT)
+ * sizeof(sPAPRTCE);
+
+ memset(tcet->table, 0, table_size);
+ }
+}
+
static target_ulong put_tce_emu(sPAPRTCETable *tcet, target_ulong ioba,
target_ulong tce)
{
return 0;
}
+static void spapr_phb_reset(DeviceState *qdev)
+{
+ SysBusDevice *s = sysbus_from_qdev(qdev);
+ sPAPRPHBState *sphb = SPAPR_PCI_HOST_BRIDGE(s);
+
+ /* Reset the IOMMU state */
+ spapr_tce_reset(sphb->dma);
+}
+
static Property spapr_phb_properties[] = {
DEFINE_PROP_HEX64("buid", sPAPRPHBState, buid, 0),
DEFINE_PROP_STRING("busname", sPAPRPHBState, busname),
sdc->init = spapr_phb_init;
dc->props = spapr_phb_properties;
+ dc->reset = spapr_phb_reset;
}
static const TypeInfo spapr_phb_info = {