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pci: use memory core for iommu support

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Use the new iommu support in the memory core for iommu support.  The only
user, spapr, is also converted, but it still provides a DMAContext
interface until the non-PCI bits switch to AddressSpace.

Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Avi Kivity <avi.kivity@gmail.com>
[ Do not calls memory_region_del_subregion() on the device's
  bus_master_enable_region, it is an alias; return an AddressSpace
  from the IOMMU hook and remove the destructor hook. - David Gibson ]
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Avi Kivity 2012-10-30 13:47:48 +02:00 • committed by Paolo Bonzini
parent 24addbc76d
commit e00387d582
5 changed files with 28 additions and 28 deletions
Download patch file Download diff file Expand all files Collapse all files

1
include/hw/pci-host/spapr.h
View file

@ -50,6 +50,7 @@ typedef struct sPAPRPHBState {
uint64_t dma_window_start;
uint64_t dma_window_size;
sPAPRTCETable *tcet;
AddressSpace iommu_as;
struct {
uint32_t irq;

4
include/hw/pci/pci.h
View file

@ -401,9 +401,9 @@ int pci_read_devaddr(Monitor *mon, const char *addr, int *domp, int *busp,
void pci_device_deassert_intx(PCIDevice *dev);
typedef DMAContext *(*PCIDMAContextFunc)(PCIBus *, void *, int);
typedef AddressSpace *(*PCIIOMMUFunc)(PCIBus *, void *, int);
void pci_setup_iommu(PCIBus *bus, PCIDMAContextFunc fn, void *opaque);
void pci_setup_iommu(PCIBus *bus, PCIIOMMUFunc fn, void *opaque);
static inline void
pci_set_byte(uint8_t *config, uint8_t val)

4
include/hw/pci/pci_bus.h
View file

@ -10,8 +10,8 @@
struct PCIBus {
BusState qbus;
PCIDMAContextFunc dma_context_fn;
void *dma_context_opaque;
PCIIOMMUFunc iommu_fn;
void *iommu_opaque;
uint8_t devfn_min;
pci_set_irq_fn set_irq;
pci_map_irq_fn map_irq;