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[RFC v7 3/5] memory: Add IOMMU_DEVIOTLB_UNMAP IOMMUTLBNotificationType
From: |
Eugenio Pérez |
Subject: |
[RFC v7 3/5] memory: Add IOMMU_DEVIOTLB_UNMAP IOMMUTLBNotificationType |
Date: |
Tue, 1 Sep 2020 15:53:41 +0200 |
Adapt intel and vhost to use this new notification type
Signed-off-by: Eugenio Pérez <eperezma@redhat.com>
---
hw/i386/intel_iommu.c | 2 +-
hw/virtio/vhost.c | 2 +-
include/exec/memory.h | 2 ++
3 files changed, 4 insertions(+), 2 deletions(-)
diff --git a/hw/i386/intel_iommu.c b/hw/i386/intel_iommu.c
index 0c4aef5cb5..cdddb089e7 100644
--- a/hw/i386/intel_iommu.c
+++ b/hw/i386/intel_iommu.c
@@ -2468,7 +2468,7 @@ static bool vtd_process_device_iotlb_desc(IntelIOMMUState
*s,
sz = VTD_PAGE_SIZE;
}
- event.type = IOMMU_NOTIFIER_UNMAP;
+ event.type = IOMMU_NOTIFIER_DEVIOTLB;
event.entry.target_as = &vtd_dev_as->as;
event.entry.addr_mask = sz - 1;
event.entry.iova = addr;
diff --git a/hw/virtio/vhost.c b/hw/virtio/vhost.c
index 1a1384e7a6..6ca168b47e 100644
--- a/hw/virtio/vhost.c
+++ b/hw/virtio/vhost.c
@@ -729,7 +729,7 @@ static void vhost_iommu_region_add(MemoryListener *listener,
iommu_idx = memory_region_iommu_attrs_to_index(iommu_mr,
MEMTXATTRS_UNSPECIFIED);
iommu_notifier_init(&iommu->n, vhost_iommu_unmap_notify,
- IOMMU_NOTIFIER_UNMAP,
+ IOMMU_NOTIFIER_DEVIOTLB,
section->offset_within_region,
int128_get64(end),
iommu_idx);
diff --git a/include/exec/memory.h b/include/exec/memory.h
index 8a56707169..215e23973d 100644
--- a/include/exec/memory.h
+++ b/include/exec/memory.h
@@ -87,6 +87,8 @@ typedef enum {
IOMMU_NOTIFIER_UNMAP = 0x1,
/* Notify entry changes (newly created entries) */
IOMMU_NOTIFIER_MAP = 0x2,
+ /* Notify changes on device IOTLB entries */
+ IOMMU_NOTIFIER_DEVIOTLB = 0x04,
} IOMMUNotifierFlag;
#define IOMMU_NOTIFIER_ALL (IOMMU_NOTIFIER_MAP | IOMMU_NOTIFIER_UNMAP)
--
2.18.1