linux/kernel/dma
Logan Gunthorpe 159bf19270 dma-mapping: add flags to dma_map_ops to indicate PCI P2PDMA support
Add a flags member to the dma_map_ops structure with one flag to
indicate support for PCI P2PDMA.

Also, add a helper to check if a device supports PCI P2PDMA.

Signed-off-by: Logan Gunthorpe <logang@deltatee.com>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2022-07-26 07:27:48 -04:00
..
coherent.c dma-mapping: use 'bitmap_zalloc()' when applicable 2021-10-27 08:20:09 +02:00
contiguous.c cma: factor out minimum alignment requirement 2022-03-22 15:57:05 -07:00
debug.c dma-debug: make things less spammy under memory pressure 2022-06-02 07:17:59 +02:00
debug.h dma-debug: teach add_dma_entry() about DMA_ATTR_SKIP_CPU_SYNC 2021-10-18 12:46:45 +02:00
direct.c dma-direct: support PCI P2PDMA pages in dma-direct map_sg 2022-07-26 07:27:47 -04:00
direct.h dma-direct: support PCI P2PDMA pages in dma-direct map_sg 2022-07-26 07:27:47 -04:00
dummy.c dma-mapping: return error code from dma_dummy_map_sg() 2021-08-09 17:13:06 +02:00
Kconfig dma-mapping: remove CONFIG_DMA_REMAP 2022-03-03 14:00:57 +03:00
Makefile dma-mapping: remove CONFIG_DMA_REMAP 2022-03-03 14:00:57 +03:00
map_benchmark.c dma-mapping: benchmark: extract a common header file for map_benchmark definition 2022-03-10 07:41:14 +01:00
mapping.c dma-mapping: add flags to dma_map_ops to indicate PCI P2PDMA support 2022-07-26 07:27:48 -04:00
ops_helpers.c dma-mapping: handle vmalloc addresses in dma_common_{mmap,get_sgtable} 2021-07-16 11:30:26 +02:00
pool.c dma/pool: create dma atomic pool only if dma zone has managed pages 2022-01-15 16:30:29 +02:00
remap.c kernel/dma: remove unnecessary unmap_kernel_range 2021-04-30 11:20:40 -07:00
swiotlb.c swiotlb: clean up some coding style and minor issues 2022-07-22 17:20:56 +02:00