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Diffstat (limited to 'hw/spapr_pci.c')
-rw-r--r--hw/spapr_pci.c22
1 files changed, 19 insertions, 3 deletions
diff --git a/hw/spapr_pci.c b/hw/spapr_pci.c
index 25b400aa47..47ba5ff770 100644
--- a/hw/spapr_pci.c
+++ b/hw/spapr_pci.c
@@ -35,17 +35,18 @@
static PCIDevice *find_dev(sPAPREnvironment *spapr,
uint64_t buid, uint32_t config_addr)
{
- DeviceState *qdev;
int devfn = (config_addr >> 8) & 0xFF;
sPAPRPHBState *phb;
QLIST_FOREACH(phb, &spapr->phbs, list) {
+ BusChild *kid;
+
if (phb->buid != buid) {
continue;
}
- QTAILQ_FOREACH(qdev, &phb->host_state.bus->qbus.children, sibling) {
- PCIDevice *dev = (PCIDevice *)qdev;
+ QTAILQ_FOREACH(kid, &phb->host_state.bus->qbus.children, sibling) {
+ PCIDevice *dev = (PCIDevice *)kid->child;
if (dev->devfn == devfn) {
return dev;
}
@@ -265,12 +266,21 @@ static const MemoryRegionOps spapr_io_ops = {
/*
* PHB PCI device
*/
+static DMAContext *spapr_pci_dma_context_fn(PCIBus *bus, void *opaque,
+ int devfn)
+{
+ sPAPRPHBState *phb = opaque;
+
+ return phb->dma;
+}
+
static int spapr_phb_init(SysBusDevice *s)
{
sPAPRPHBState *phb = FROM_SYSBUS(sPAPRPHBState, s);
char *namebuf;
int i;
PCIBus *bus;
+ uint32_t liobn;
phb->dtbusname = g_strdup_printf("pci@%" PRIx64, phb->buid);
namebuf = alloca(strlen(phb->dtbusname) + 32);
@@ -311,6 +321,10 @@ static int spapr_phb_init(SysBusDevice *s)
PCI_DEVFN(0, 0), PCI_NUM_PINS);
phb->host_state.bus = bus;
+ liobn = SPAPR_PCI_BASE_LIOBN | (pci_find_domain(bus) << 16);
+ phb->dma = spapr_tce_new_dma_context(liobn, 0x40000000);
+ pci_setup_iommu(bus, spapr_pci_dma_context_fn, phb);
+
QLIST_INSERT_HEAD(&spapr->phbs, phb, list);
/* Initialize the LSI table */
@@ -471,6 +485,8 @@ int spapr_populate_pci_devices(sPAPRPHBState *phb,
_FDT(fdt_setprop(fdt, bus_off, "interrupt-map", &interrupt_map,
sizeof(interrupt_map)));
+ spapr_dma_dt(fdt, bus_off, "ibm,dma-window", phb->dma);
+
return 0;
}