From: Clement Mathieu--Drif <clement.mathieu--drif@eviden.com>
PASID value must be used by devices as a key (or part of a key)
when populating their ATC with the IOTLB entries returned by the IOMMU.
Signed-off-by: Clement Mathieu--Drif <clement.mathieu--drif@eviden.com>
---
hw/i386/intel_iommu.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/hw/i386/intel_iommu.c b/hw/i386/intel_iommu.c
index 1b4aaffedc..a360119fbe 100644
--- a/hw/i386/intel_iommu.c
+++ b/hw/i386/intel_iommu.c
@@ -2511,6 +2511,7 @@ static void vtd_iotlb_page_invalidate_notify(IntelIOMMUState *s,
.translated_addr = 0,
.addr_mask = size - 1,
.perm = IOMMU_NONE,
+ .pasid = vtd_as->pasid,
},
};
memory_region_notify_iommu(&vtd_as->iommu, 0, event);
@@ -3098,6 +3099,7 @@ static void do_invalidate_device_tlb(VTDAddressSpace *vtd_dev_as,
event.entry.iova = addr;
event.entry.perm = IOMMU_NONE;
event.entry.translated_addr = 0;
+ event.entry.pasid = vtd_dev_as->pasid;
memory_region_notify_iommu(&vtd_dev_as->iommu, 0, event);
}
@@ -3680,6 +3682,7 @@ static IOMMUTLBEntry vtd_iommu_translate(IOMMUMemoryRegion *iommu, hwaddr addr,
IOMMUTLBEntry iotlb = {
/* We'll fill in the rest later. */
.target_as = &address_space_memory,
+ .pasid = vtd_as->pasid,
};
bool success;
--
2.48.1