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authorStefan Hajnoczi <stefanha@redhat.com>2017-05-30 14:15:04 +0100
committerStefan Hajnoczi <stefanha@redhat.com>2017-05-30 14:15:04 +0100
commita3203e7dd375d4f619b72b854fcb6d3f2d14bfef (patch)
treeb1367cde8d39f37b34cebc6a9375897983608bca /include/exec/memory.h
parent08f44282c1f6afe1ffdc31e45dae870ddbb32ed3 (diff)
parent811bf15114bff4d46735acedbd72b906616ce365 (diff)
downloadfocaccia-qemu-a3203e7dd375d4f619b72b854fcb6d3f2d14bfef.tar.gz
focaccia-qemu-a3203e7dd375d4f619b72b854fcb6d3f2d14bfef.zip
Merge remote-tracking branch 'mst/tags/for_upstream' into staging
pci, virtio, vhost: fixes

A bunch of fixes all over the place. Most notably this fixes
the new MTU feature when using vhost.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

# gpg: Signature made Mon 29 May 2017 01:10:24 AM BST
# gpg:                using RSA key 0x281F0DB8D28D5469
# gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>"
# gpg:                 aka "Michael S. Tsirkin <mst@redhat.com>"
# Primary key fingerprint: 0270 606B 6F3C DF3D 0B17  0970 C350 3912 AFBE 8E67
#      Subkey fingerprint: 5D09 FD08 71C8 F85B 94CA  8A0D 281F 0DB8 D28D 5469

* mst/tags/for_upstream:
  acpi-test: update expected files
  pc: ACPI BIOS: use highest NUMA node for hotplug mem hole SRAT entry
  vhost-user: pass message as a pointer to process_message_reply()
  virtio_net: Bypass backends for MTU feature negotiation
  intel_iommu: turn off pt before 2.9
  intel_iommu: support passthrough (PT)
  intel_iommu: allow dev-iotlb context entry conditionally
  intel_iommu: use IOMMU_ACCESS_FLAG()
  intel_iommu: provide vtd_ce_get_type()
  intel_iommu: renaming context entry helpers
  x86-iommu: use DeviceClass properties
  memory: remove the last param in memory_region_iommu_replay()
  memory: tune last param of iommu_ops.translate()

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Diffstat (limited to 'include/exec/memory.h')
-rw-r--r--include/exec/memory.h15
1 files changed, 9 insertions, 6 deletions
diff --git a/include/exec/memory.h b/include/exec/memory.h
index 99e0f54d86..bfdc685f24 100644
--- a/include/exec/memory.h
+++ b/include/exec/memory.h
@@ -185,8 +185,14 @@ struct MemoryRegionOps {
 typedef struct MemoryRegionIOMMUOps MemoryRegionIOMMUOps;
 
 struct MemoryRegionIOMMUOps {
-    /* Return a TLB entry that contains a given address. */
-    IOMMUTLBEntry (*translate)(MemoryRegion *iommu, hwaddr addr, bool is_write);
+    /*
+     * Return a TLB entry that contains a given address. Flag should
+     * be the access permission of this translation operation. We can
+     * set flag to IOMMU_NONE to mean that we don't need any
+     * read/write permission checks, like, when for region replay.
+     */
+    IOMMUTLBEntry (*translate)(MemoryRegion *iommu, hwaddr addr,
+                               IOMMUAccessFlags flag);
     /* Returns minimum supported page size */
     uint64_t (*get_min_page_size)(MemoryRegion *iommu);
     /* Called when IOMMU Notifier flag changed */
@@ -725,11 +731,8 @@ void memory_region_register_iommu_notifier(MemoryRegion *mr,
  *
  * @mr: the memory region to observe
  * @n: the notifier to which to replay iommu mappings
- * @is_write: Whether to treat the replay as a translate "write"
- *     through the iommu
  */
-void memory_region_iommu_replay(MemoryRegion *mr, IOMMUNotifier *n,
-                                bool is_write);
+void memory_region_iommu_replay(MemoryRegion *mr, IOMMUNotifier *n);
 
 /**
  * memory_region_iommu_replay_all: replay existing IOMMU translations