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[PATCH 07/13] virtio-iommu: Implement set_iova_ranges() callback
From: |
Eric Auger |
Subject: |
[PATCH 07/13] virtio-iommu: Implement set_iova_ranges() callback |
Date: |
Mon, 4 Sep 2023 10:03:50 +0200 |
The implementation populates the array of per IOMMUDevice
host reserved regions.
Signed-off-by: Eric Auger <eric.auger@redhat.com>
---
include/hw/virtio/virtio-iommu.h | 2 ++
hw/virtio/virtio-iommu.c | 17 +++++++++++++++++
2 files changed, 19 insertions(+)
diff --git a/include/hw/virtio/virtio-iommu.h b/include/hw/virtio/virtio-iommu.h
index 70b8ace34d..31b69c8261 100644
--- a/include/hw/virtio/virtio-iommu.h
+++ b/include/hw/virtio/virtio-iommu.h
@@ -40,6 +40,8 @@ typedef struct IOMMUDevice {
MemoryRegion root; /* The root container of the device */
MemoryRegion bypass_mr; /* The alias of shared memory MR */
GList *resv_regions;
+ Range *host_resv_regions;
+ uint32_t nr_host_resv_regions;
} IOMMUDevice;
typedef struct IOMMUPciBus {
diff --git a/hw/virtio/virtio-iommu.c b/hw/virtio/virtio-iommu.c
index ea359b586a..02f1a59d57 100644
--- a/hw/virtio/virtio-iommu.c
+++ b/hw/virtio/virtio-iommu.c
@@ -20,6 +20,7 @@
#include "qemu/osdep.h"
#include "qemu/log.h"
#include "qemu/iov.h"
+#include "qemu/range.h"
#include "exec/target_page.h"
#include "hw/qdev-properties.h"
#include "hw/virtio/virtio.h"
@@ -1158,6 +1159,21 @@ static int
virtio_iommu_set_page_size_mask(IOMMUMemoryRegion *mr,
return 0;
}
+static int virtio_iommu_set_iova_ranges(IOMMUMemoryRegion *mr,
+ uint32_t nr_ranges,
+ struct Range *iova_ranges,
+ Error **errp)
+{
+ IOMMUDevice *sdev = container_of(mr, IOMMUDevice, iommu_mr);
+ assert(nr_ranges);
+
+
+ range_inverse_array(nr_ranges, iova_ranges,
+ &sdev->nr_host_resv_regions, &sdev->host_resv_regions);
+
+ return 0;
+}
+
static void virtio_iommu_system_reset(void *opaque)
{
VirtIOIOMMU *s = opaque;
@@ -1453,6 +1469,7 @@ static void
virtio_iommu_memory_region_class_init(ObjectClass *klass,
imrc->replay = virtio_iommu_replay;
imrc->notify_flag_changed = virtio_iommu_notify_flag_changed;
imrc->iommu_set_page_size_mask = virtio_iommu_set_page_size_mask;
+ imrc->iommu_set_iova_ranges = virtio_iommu_set_iova_ranges;
}
static const TypeInfo virtio_iommu_info = {
--
2.41.0
- [PATCH 02/13] memory: Introduce memory_region_iommu_set_iova_ranges, (continued)
- [PATCH 02/13] memory: Introduce memory_region_iommu_set_iova_ranges, Eric Auger, 2023/09/04
- [PATCH 04/13] virtio-iommu: Rename reserved_regions into prop_resv_regions, Eric Auger, 2023/09/04
- [PATCH 03/13] vfio: Collect container iova range info, Eric Auger, 2023/09/04
- [PATCH 05/13] virtio-iommu: Introduce per IOMMUDevice reserved regions, Eric Auger, 2023/09/04
- [PATCH 06/13] range: Introduce range_inverse_array(), Eric Auger, 2023/09/04
- [PATCH 09/13] util/reserved-region: Add new ReservedRegion helpers, Eric Auger, 2023/09/04
- [PATCH 07/13] virtio-iommu: Implement set_iova_ranges() callback,
Eric Auger <=
- [PATCH 11/13] test: Add some tests for range and resv-mem helpers, Eric Auger, 2023/09/04
- [PATCH 13/13] vfio: Remove 64-bit IOVA address space assumption, Eric Auger, 2023/09/04
- [PATCH 08/13] range: Make range_compare() public, Eric Auger, 2023/09/04
- [PATCH 12/13] virtio-iommu: Resize memory region according to the max iova info, Eric Auger, 2023/09/04
- [PATCH 10/13] virtio-iommu: Consolidate host reserved regions and property set ones, Eric Auger, 2023/09/04
- Re: [PATCH 00/13] VIRTIO-IOMMU/VFIO: Don't assume 64b IOVA space, YangHang Liu, 2023/09/05