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[PATCH v9 4/9] virtio-iommu: set supported page size mask
From: |
Bharat Bhushan |
Subject: |
[PATCH v9 4/9] virtio-iommu: set supported page size mask |
Date: |
Mon, 23 Mar 2020 14:16:12 +0530 |
Add optional interface to set page size mask.
Currently this is set global configuration and not
per endpoint.
Signed-off-by: Bharat Bhushan <address@hidden>
---
include/hw/virtio/virtio-iommu.h | 1 +
hw/virtio/virtio-iommu.c | 9 +++++++++
2 files changed, 10 insertions(+)
diff --git a/include/hw/virtio/virtio-iommu.h b/include/hw/virtio/virtio-iommu.h
index 6f67f1020a..4efa09610a 100644
--- a/include/hw/virtio/virtio-iommu.h
+++ b/include/hw/virtio/virtio-iommu.h
@@ -35,6 +35,7 @@ typedef struct IOMMUDevice {
void *viommu;
PCIBus *bus;
int devfn;
+ uint64_t page_size_mask;
IOMMUMemoryRegion iommu_mr;
AddressSpace as;
} IOMMUDevice;
diff --git a/hw/virtio/virtio-iommu.c b/hw/virtio/virtio-iommu.c
index 4cee8083bc..a28818202c 100644
--- a/hw/virtio/virtio-iommu.c
+++ b/hw/virtio/virtio-iommu.c
@@ -650,6 +650,14 @@ static gint int_cmp(gconstpointer a, gconstpointer b,
gpointer user_data)
return (ua > ub) - (ua < ub);
}
+static void virtio_iommu_set_page_size_mask(IOMMUMemoryRegion *mr,
+ uint64_t page_size_mask)
+{
+ IOMMUDevice *sdev = container_of(mr, IOMMUDevice, iommu_mr);
+
+ sdev->page_size_mask = page_size_mask;
+}
+
static void virtio_iommu_device_realize(DeviceState *dev, Error **errp)
{
VirtIODevice *vdev = VIRTIO_DEVICE(dev);
@@ -865,6 +873,7 @@ static void
virtio_iommu_memory_region_class_init(ObjectClass *klass,
IOMMUMemoryRegionClass *imrc = IOMMU_MEMORY_REGION_CLASS(klass);
imrc->translate = virtio_iommu_translate;
+ imrc->iommu_set_page_size_mask = virtio_iommu_set_page_size_mask;
}
static const TypeInfo virtio_iommu_info = {
--
2.17.1
- [PATCH v9 1/9] hw/vfio/common: Remove error print on mmio region translation by viommu, (continued)
[PATCH v9 2/9] memory: Add interface to set iommu page size mask, Bharat Bhushan, 2020/03/23
[PATCH v9 3/9] vfio: set iommu page size as per host supported page size, Bharat Bhushan, 2020/03/23
[PATCH v9 4/9] virtio-iommu: set supported page size mask,
Bharat Bhushan <=
[PATCH v9 5/9] virtio-iommu: Add iommu notifier for map/unmap, Bharat Bhushan, 2020/03/23
[PATCH v9 6/9] virtio-iommu: Call iommu notifier for attach/detach, Bharat Bhushan, 2020/03/23
[PATCH v9 7/9] virtio-iommu: add iommu replay, Bharat Bhushan, 2020/03/23
[PATCH v9 8/9] virtio-iommu: Implement probe request, Bharat Bhushan, 2020/03/23