x86: intel-iommu: add dmar test
DMAR test is based on QEMU edu device. A 4B DMA memory copy is carried
out as the simplest DMAR test.
Signed-off-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
diff --git a/lib/pci.h b/lib/pci.h
index d3052ef..26968b1 100644
--- a/lib/pci.h
+++ b/lib/pci.h
@@ -18,6 +18,9 @@
#define PCI_BAR_NUM 6
#define PCI_DEVFN_MAX 256
+#define PCI_BDF_GET_DEVFN(x) ((x) & 0xff)
+#define PCI_BDF_GET_BUS(x) (((x) >> 8) & 0xff)
+
struct pci_dev {
uint16_t bdf;
phys_addr_t resource[PCI_BAR_NUM];
@@ -28,6 +31,8 @@
extern void pci_cmd_set_clr(struct pci_dev *dev, uint16_t set, uint16_t clr);
extern void pci_enable_defaults(struct pci_dev *dev);
+typedef phys_addr_t iova_t;
+
extern bool pci_probe(void);
extern void pci_print(void);
extern bool pci_dev_exists(pcidevaddr_t dev);
