intel-iommu: pass in address space when page walk

We pass in the VTDAddressSpace too.  It'll be used in the follow up
patches.

CC: QEMU Stable <qemu-stable@nongnu.org>
Signed-off-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
(cherry picked from commit 2f764fa87d2a81812b313dd6d998e10126292653)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>

diff --git a/hw/i386/intel_iommu.c b/hw/i386/intel_iommu.c
index e059bfd577b942771aa51135f22f5a96aa4dc1b8..c7efeb566696bdd6f9f162ba7fa0ab7f9ecff7a5 100644 (file)
--- a/hw/i386/intel_iommu.c
+++ b/hw/i386/intel_iommu.c
@@ -754,9 +754,11 @@ typedef int (*vtd_page_walk_hook)(IOMMUTLBEntry *entry, void *private);
  * @hook_fn: hook func to be called when detected page
  * @private: private data to be passed into hook func
  * @notify_unmap: whether we should notify invalid entries
+ * @as: VT-d address space of the device
  * @aw: maximum address width
  */
 typedef struct {
+    VTDAddressSpace *as;
     vtd_page_walk_hook hook_fn;
     void *private;
     bool notify_unmap;
@@ -1463,6 +1465,7 @@ static void vtd_iotlb_page_invalidate_notify(IntelIOMMUState *s,
                     .private = (void *)&vtd_as->iommu,
                     .notify_unmap = true,
                     .aw = s->aw_bits,
+                    .as = vtd_as,
                 };
 
                 /*
@@ -2936,6 +2939,7 @@ static void vtd_iommu_replay(IOMMUMemoryRegion *iommu_mr, IOMMUNotifier *n)
                 .private = (void *)n,
                 .notify_unmap = false,
                 .aw = s->aw_bits,
+                .as = vtd_as,
             };
 
             vtd_page_walk(&ce, 0, ~0ULL, &info);