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authorAnthony Liguori <aliguori@us.ibm.com>2013-06-20 16:53:39 -0500
committerAnthony Liguori <aliguori@us.ibm.com>2013-06-20 16:53:39 -0500
commit576156ffed72ab4feb0b752979db86ff8759a2a1 (patch)
tree840956ef1f6138f7a0be8d497f8baad6a31d7722 /hw/misc/vfio.c
parentb1588c3fd6daf6e23ba727c758f84ada279ae731 (diff)
parent2eb74e1a1ef145034aa41255c4a6f469d560c96d (diff)
downloadfocaccia-qemu-576156ffed72ab4feb0b752979db86ff8759a2a1.tar.gz
focaccia-qemu-576156ffed72ab4feb0b752979db86ff8759a2a1.zip
Merge remote-tracking branch 'bonzini/iommu-for-anthony' into staging
# By Paolo Bonzini (12) and others
# Via Paolo Bonzini
* bonzini/iommu-for-anthony: (25 commits)
  memory: render_memory_region: factor out fr constant setters
  memory: as_update_topology_pass: Improve comments
  memory: Fix comment typo
  memory: give name to every AddressSpace
  dma: eliminate DMAContext
  spapr_vio: take care of creating our own AddressSpace/DMAContext
  pci: use memory core for iommu support
  dma: eliminate old-style IOMMU support
  spapr: use memory core for iommu support
  spapr: make IOMMU translation go through IOMMUTLBEntry
  spapr: convert TCE API to use an opaque type
  vfio: abort if an emulated iommu is used
  memory: Add iommu map/unmap notifiers
  memory: iommu support
  memory: make section size a 128-bit integer
  exec: reorganize mem_add to match Int128 version
  Revert "s390x: reduce TARGET_PHYS_ADDR_SPACE_BITS to 62"
  Revert "memory: limit sections in the radix tree to the actual address space size"
  exec: return MemoryRegion from address_space_translate
  exec: Implement subpage_read/write via address_space_rw
  ...

Message-id: 1371739493-10187-1-git-send-email-pbonzini@redhat.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Diffstat (limited to 'hw/misc/vfio.c')
-rw-r--r--hw/misc/vfio.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/hw/misc/vfio.c b/hw/misc/vfio.c
index 693a9ffdda..52fb03601d 100644
--- a/hw/misc/vfio.c
+++ b/hw/misc/vfio.c
@@ -1939,6 +1939,8 @@ static void vfio_listener_region_add(MemoryListener *listener,
     void *vaddr;
     int ret;
 
+    assert(!memory_region_is_iommu(section->mr));
+
     if (vfio_listener_skipped_section(section)) {
         DPRINTF("SKIPPING region_add %"HWADDR_PRIx" - %"PRIx64"\n",
                 section->offset_within_address_space,
@@ -1953,7 +1955,7 @@ static void vfio_listener_region_add(MemoryListener *listener,
     }
 
     iova = TARGET_PAGE_ALIGN(section->offset_within_address_space);
-    end = (section->offset_within_address_space + section->size) &
+    end = (section->offset_within_address_space + int128_get64(section->size)) &
           TARGET_PAGE_MASK;
 
     if (iova >= end) {
@@ -1997,7 +1999,7 @@ static void vfio_listener_region_del(MemoryListener *listener,
     }
 
     iova = TARGET_PAGE_ALIGN(section->offset_within_address_space);
-    end = (section->offset_within_address_space + section->size) &
+    end = (section->offset_within_address_space + int128_get64(section->size)) &
           TARGET_PAGE_MASK;
 
     if (iova >= end) {