> From: Will Davis <wdavis@xxxxxxxxxx> > > > From: Will Davis <wdavis@xxxxxxxxxx> > > > > Hi, > > > > This is the third version of a patchset to add the DMA APIs necessary to > > map and unmap a struct resource to and from a PCI device's IOVA domain. > > This allows a PCI device to access a peer device's BAR resource when a > > hardware IOMMU is enabled. > > > > Bjorn, Dave, do you have any remaining concerns with this patch series? > Bjorn and/or Dave, do you have any more comments or concerns about these patches, or are they Ack-worthy as is? Thanks, Will > > Thanks, > > Will > > > > Changelog: > > > > v3: > > - changed dma_map_resource() to BUG() if the map_resource DMA op is not > > provided, instead of returning 0 > > - updated documentation to remove requirement to check for 0 return value > > as an error > > - remove const keyword from struct dma_map_ops in new DMA APIs for > > consistency with other APIs > > > > v2: http://www.spinics.net/lists/linux-pci/msg41192.html > > - added documentation for the new DMA APIs > > - fixed physical-to-bus address conversion in the nommu implementation > > > > v1: http://www.spinics.net/lists/linux-pci/msg40747.html > > > > Will Davis (7): > > dma-debug: add checking for map/unmap_resource > > DMA-API: Introduce dma_(un)map_resource > > dma-mapping: pci: add pci_(un)map_resource > > DMA-API: Add dma_(un)map_resource() documentation > > iommu/amd: Implement (un)map_resource > > iommu/vt-d: implement (un)map_resource > > x86: add pci-nommu implementation of map_resource > > > > Documentation/DMA-API-HOWTO.txt | 36 ++++++++++++++- > > Documentation/DMA-API.txt | 31 ++++++++++--- > > arch/x86/kernel/pci-nommu.c | 32 ++++++++++++++ > > drivers/iommu/amd_iommu.c | 76 ++++++++++++++++++++++++++-- > > ---- > > drivers/iommu/intel-iommu.c | 18 ++++++++ > > include/asm-generic/dma-mapping-broken.h | 9 ++++ include/asm- > > generic/dma-mapping-common.h | 34 ++++++++++++++ > > include/asm-generic/pci-dma-compat.h | 14 ++++++ > > include/linux/dma-debug.h | 20 +++++++++ > > include/linux/dma-mapping.h | 7 +++ > > lib/dma-debug.c | 47 ++++++++++++++++++++ > > 11 files changed, 304 insertions(+), 20 deletions(-) > > > > -- > > 2.4.0 > -- nvpublic -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
