[v5] intel_iommu: Add ATS support

[PATCH 03/10] memory: Allow to store the PASID in IOMMUTLBEntry

CLEMENT MATHIEU--DRIF posted 10 patches 4 months, 2 weeks ago

Diff against v2 v3 v4
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Maintainers: "Michael S. Tsirkin" <mst@redhat.com>, Jason Wang <jasowang@redhat.com>, Yi Liu <yi.l.liu@intel.com>, "Clément Mathieu--Drif" <clement.mathieu--drif@eviden.com>, Paolo Bonzini <pbonzini@redhat.com>, Richard Henderson <richard.henderson@linaro.org>, Eduardo Habkost <eduardo@habkost.net>, Marcel Apfelbaum <marcel.apfelbaum@gmail.com>, Peter Xu <peterx@redhat.com>, David Hildenbrand <david@redhat.com>, "Philippe Mathieu-Daudé" <philmd@linaro.org>

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[PATCH 03/10] memory: Allow to store the PASID in IOMMUTLBEntry

Posted by CLEMENT MATHIEU--DRIF 4 months, 2 weeks ago

This will be useful for devices that support ATS
and need to store entries in an ATC (device IOTLB).

Signed-off-by: Clement Mathieu--Drif <clement.mathieu--drif@eviden.com>
---
 include/system/memory.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/system/memory.h b/include/system/memory.h
index 1672622d70..d6d069fd50 100644
--- a/include/system/memory.h
+++ b/include/system/memory.h
@@ -144,6 +144,7 @@ struct IOMMUTLBEntry {
     hwaddr           translated_addr;
     hwaddr           addr_mask;  /* 0xfff = 4k translation */
     IOMMUAccessFlags perm;
+    uint32_t         pasid;
 };
 
 /*
-- 
2.49.0