diff options
| author | Stefano Stabellini <stefano.stabellini@eu.citrix.com> | 2017-02-07 19:58:02 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-10-05 09:41:48 +0200 |
| commit | 079c03f4a915da1279604f88d6c07bf70427ddbc (patch) | |
| tree | d601e78761beb83f7f8d74a79c4d255fdcbb9700 /include | |
| parent | 27323cb81eae618e68e4dea1345090c37dee5485 (diff) | |
swiotlb-xen: implement xen_swiotlb_dma_mmap callback
commit 7e91c7df29b5e196de3dc6f086c8937973bd0b88 upstream.
This function creates userspace mapping for the DMA-coherent memory.
Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Signed-off-by: Oleksandr Dmytryshyn <oleksandr.dmytryshyn@globallogic.com>
Signed-off-by: Andrii Anisov <andrii_anisov@epam.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/xen/swiotlb-xen.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/include/xen/swiotlb-xen.h b/include/xen/swiotlb-xen.h index 8b2eb93ae8ba..fab4fb9c6442 100644 --- a/include/xen/swiotlb-xen.h +++ b/include/xen/swiotlb-xen.h @@ -58,4 +58,9 @@ xen_swiotlb_dma_supported(struct device *hwdev, u64 mask); extern int xen_swiotlb_set_dma_mask(struct device *dev, u64 dma_mask); + +extern int +xen_swiotlb_dma_mmap(struct device *dev, struct vm_area_struct *vma, + void *cpu_addr, dma_addr_t dma_addr, size_t size, + unsigned long attrs); #endif /* __LINUX_SWIOTLB_XEN_H */ |