forked from Minki/linux
b6e05477c1
Give the basic phys_to_dma() and dma_to_phys() helpers a __-prefix and add the memory encryption mask to the non-prefixed versions. Use the __-prefixed versions directly instead of clearing the mask again in various places. Tested-by: Tom Lendacky <thomas.lendacky@amd.com> Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Thomas Gleixner <tglx@linutronix.de> Cc: David Woodhouse <dwmw2@infradead.org> Cc: Joerg Roedel <joro@8bytes.org> Cc: Jon Mason <jdmason@kudzu.us> Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Muli Ben-Yehuda <mulix@mulix.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: iommu@lists.linux-foundation.org Link: http://lkml.kernel.org/r/20180319103826.12853-13-hch@lst.de Signed-off-by: Ingo Molnar <mingo@kernel.org>
10 lines
333 B
C
10 lines
333 B
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
#ifndef ASM_X86_DMA_DIRECT_H
|
|
#define ASM_X86_DMA_DIRECT_H 1
|
|
|
|
bool dma_capable(struct device *dev, dma_addr_t addr, size_t size);
|
|
dma_addr_t __phys_to_dma(struct device *dev, phys_addr_t paddr);
|
|
phys_addr_t __dma_to_phys(struct device *dev, dma_addr_t daddr);
|
|
|
|
#endif /* ASM_X86_DMA_DIRECT_H */
|