Displaying 6 results from an estimated 6 matches for "iommu_get_resv_regions".
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viommu_get_resv_regions
2023 Feb 16
0
[PATCH v2] vhost/vdpa: Add MSI translation tables to iommu for software-managed MSI
...+++++++++++++++++++++++++++---
> 2 files changed, 57 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c
> index 5f6a85aea501..af9c064ad8b2 100644
> --- a/drivers/iommu/iommu.c
> +++ b/drivers/iommu/iommu.c
> @@ -2623,6 +2623,7 @@ void iommu_get_resv_regions(struct device *dev, struct list_head *list)
> if (ops->get_resv_regions)
> ops->get_resv_regions(dev, list);
> }
> +EXPORT_SYMBOL(iommu_get_resv_regions);
>
> /**
> * iommu_put_resv_regions - release resered regions
> diff --git a/drivers/vhost/vdpa.c...
2019 Dec 21
0
[PATCH 6/8] iommu: allow the dma-iommu api to use bounce buffers
...CTIONAL,
+ attrs);
if (*handle == DMA_MAPPING_ERROR) {
__iommu_dma_free(dev, size, cpu_addr);
return NULL;
diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c
index cec728f40d9c..e5653cb20c83 100644
--- a/drivers/iommu/iommu.c
+++ b/drivers/iommu/iommu.c
@@ -2236,6 +2236,16 @@ void iommu_get_resv_regions(struct device *dev, struct list_head *list)
ops->get_resv_regions(dev, list);
}
+int iommu_needs_bounce_buffer(struct device *dev)
+{
+ const struct iommu_ops *ops = dev->bus->iommu_ops;
+
+ if (ops && ops->needs_bounce_buffer)
+ return ops->needs_bounce_buffer(dev);
+...
2019 Dec 09
8
[PATCH v2 0/5] iommu: Implement iommu_put_resv_regions_simple()
From: Thierry Reding <treding at nvidia.com>
Most IOMMU drivers only need to free the memory allocated for each
reserved region. Instead of open-coding the loop to do this in each
driver, extract the code into a common function that can be used by
all these drivers.
Changes in v2:
- change subject prefix to "iommu: virtio: " for virtio-iommu.c driver
Thierry
Thierry Reding (5):
2019 Dec 18
7
[PATCH v3 0/5] iommu: Implement generic_iommu_put_resv_regions()
From: Thierry Reding <treding at nvidia.com>
Most IOMMU drivers only need to free the memory allocated for each
reserved region. Instead of open-coding the loop to do this in each
driver, extract the code into a common function that can be used by
all these drivers.
Changes in v3:
- add Reviewed-by from Jean-Philippe Brucker on virtio patch
- add Acked-by from Will Deacon on ARM SMMU patch
2019 Dec 21
13
[PATCH 0/8] Convert the intel iommu driver to the dma-iommu api
This patchset converts the intel iommu driver to the dma-iommu api.
While converting the driver I exposed a bug in the intel i915 driver which causes a huge amount of artifacts on the screen of my laptop. You can see a picture of it here:
https://github.com/pippy360/kernelPatches/blob/master/IMG_20191219_225922.jpg
This issue is most likely in the i915 driver and is most likely caused by the
2019 Dec 21
13
[PATCH 0/8] Convert the intel iommu driver to the dma-iommu api
This patchset converts the intel iommu driver to the dma-iommu api.
While converting the driver I exposed a bug in the intel i915 driver which causes a huge amount of artifacts on the screen of my laptop. You can see a picture of it here:
https://github.com/pippy360/kernelPatches/blob/master/IMG_20191219_225922.jpg
This issue is most likely in the i915 driver and is most likely caused by the