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| author | Jean-Philippe Brucker <jean-philippe@linaro.org> | 2021-06-18 17:21:00 +0200 |
|---|---|---|
| committer | Joerg Roedel <jroedel@suse.de> | 2021-06-25 15:02:43 +0200 |
| commit | 8ce4904bfd22de04ac3cd35d469c0a3337bdeb7b (patch) | |
| tree | 89310031b98fbbac486d40750699a3535eb238d5 /drivers/iommu/dma-iommu.c | |
| parent | ac6d704679d343e55615551f19e9b2e18d68518b (diff) | |
| download | lwn-8ce4904bfd22de04ac3cd35d469c0a3337bdeb7b.tar.gz lwn-8ce4904bfd22de04ac3cd35d469c0a3337bdeb7b.zip | |
iommu/virtio: Enable x86 support
With the VIOT support in place, x86 platforms can now use the
virtio-iommu.
Because the other x86 IOMMU drivers aren't yet ready to use the
acpi_dma_setup() path, x86 doesn't implement arch_setup_dma_ops() at the
moment. Similarly to Vt-d and AMD IOMMU, clear the DMA ops and call
iommu_setup_dma_ops() from probe_finalize().
Acked-by: Joerg Roedel <jroedel@suse.de>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Tested-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Jean-Philippe Brucker <jean-philippe@linaro.org>
Link: https://lore.kernel.org/r/20210618152059.1194210-6-jean-philippe@linaro.org
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Diffstat (limited to 'drivers/iommu/dma-iommu.c')
| -rw-r--r-- | drivers/iommu/dma-iommu.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/iommu/dma-iommu.c b/drivers/iommu/dma-iommu.c index c62e19bed302..9dbbc95c8189 100644 --- a/drivers/iommu/dma-iommu.c +++ b/drivers/iommu/dma-iommu.c @@ -1330,6 +1330,7 @@ out_err: pr_warn("Failed to set up IOMMU for device %s; retaining platform DMA ops\n", dev_name(dev)); } +EXPORT_SYMBOL_GPL(iommu_setup_dma_ops); static struct iommu_dma_msi_page *iommu_dma_get_msi_page(struct device *dev, phys_addr_t msi_addr, struct iommu_domain *domain) |