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| author | Stefano Stabellini <stefano.stabellini@eu.citrix.com> | 2017-02-07 18:58:02 +0100 |
|---|---|---|
| committer | Konrad Rzeszutek Wilk <konrad@kernel.org> | 2017-02-13 20:15:12 +0100 |
| commit | 7e91c7df29b5e196de3dc6f086c8937973bd0b88 (patch) | |
| tree | 0b54eb24f0a97b969a14eebcc05546f1910b9db2 /include/xen | |
| parent | swiotlb: ensure that page-sized mappings are page-aligned (diff) | |
| download | linux-7e91c7df29b5e196de3dc6f086c8937973bd0b88.tar.xz linux-7e91c7df29b5e196de3dc6f086c8937973bd0b88.zip | |
swiotlb-xen: implement xen_swiotlb_dma_mmap callback
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>
Diffstat (limited to 'include/xen')
| -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 a0083be5d529..a315c876aaa9 100644 --- a/include/xen/swiotlb-xen.h +++ b/include/xen/swiotlb-xen.h @@ -55,4 +55,9 @@ 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 */ |