Re: [PATCH v3 07/20] dma-mapping: add flags to dma_map_ops to indicate PCI P2PDMA support
From: Jason Gunthorpe <jgg@ziepe.ca>
Date: 2021-09-28 19:11:49
Also in:
linux-iommu, linux-mm, linux-nvme, linux-pci, lkml
On Thu, Sep 16, 2021 at 05:40:47PM -0600, Logan Gunthorpe wrote:
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> --- include/linux/dma-map-ops.h | 10 ++++++++++ include/linux/dma-mapping.h | 5 +++++ kernel/dma/mapping.c | 18 ++++++++++++++++++ 3 files changed, 33 insertions(+)
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com> Jason