@@ -745,6 +745,10 @@ static PCIDevice *do_pci_register_device(PCIDevice *pci_dev, PCIBus *bus,
return NULL;
}
pci_dev->bus = bus;
+#ifdef CONFIG_IOMMU
+ if (bus->iommu)
+ pci_dev->qdev.iommu = bus->iommu->new_device(bus);
+#endif
pci_dev->devfn = devfn;
pstrcpy(pci_dev->name, sizeof(pci_dev->name), name);
pci_dev->irq_state = 0;
@@ -2163,3 +2167,8 @@ int pci_qdev_find_device(const char *id, PCIDevice **pdev)
return rc;
}
+
+void pci_register_iommu(PCIBus *bus, PCIBusIOMMU *iommu)
+{
+ bus->iommu = iommu;
+}
@@ -5,6 +5,7 @@
#include "qobject.h"
#include "qdev.h"
+#include "dma_rw.h"
/* PCI includes legacy ISA access. */
#include "isa.h"
@@ -129,6 +130,7 @@ enum {
struct PCIDevice {
DeviceState qdev;
+
/* PCI config space */
uint8_t *config;
@@ -271,6 +273,9 @@ void pci_bridge_update_mappings(PCIBus *b);
void pci_device_deassert_intx(PCIDevice *dev);
+typedef struct PCIBusIOMMU PCIBusIOMMU;
+void pci_register_iommu(PCIBus *bus, PCIBusIOMMU *iommu);
+
static inline void
pci_set_byte(uint8_t *config, uint8_t val)
{
@@ -14,8 +14,15 @@
extern struct BusInfo pci_bus_info;
+typedef DMAMmu *(*pci_iommu_new_device_fn)(PCIBus *);
+
+struct PCIBusIOMMU {
+ pci_iommu_new_device_fn new_device;
+};
+
struct PCIBus {
BusState qbus;
+ PCIBusIOMMU *iommu;
uint8_t devfn_min;
pci_set_irq_fn set_irq;
pci_map_irq_fn map_irq;