( Cc:-ed PCI folks. Original thread with patches is on lkml. There's a few details that affect non-Xen PCI code too - and it would be nice to see feedback on this general method as well, from the PCI experts . ) * Jeremy Fitzhardinge <jeremy@xxxxxxxx> wrote: > Hi Ingo, > > This branch allows a Xen dom0 kernel to access PCI devices > properly. Mostly this involves making sure that memory being used > for DMA is both logically contigious in the kernel's > pseudo-physical memory and physically contigious in machine > memory. > > Again, this is pretty much unchanged from the last time I posted it. > > The following changes since commit 0c96e43850feb7c7c4a4950f24533491fbd63b5a: > Jeremy Fitzhardinge (1): > xen: checkpatch cleanups > > are available in the git repository at: > > git://git.kernel.org/pub/scm/linux/kernel/git/jeremy/xen.git xen-tip/dom0/pci > > Alex Nixon (7): > xen: Don't disable the I/O space > xen: Allow unprivileged Xen domains to create iomap pages > Xen: Rename the balloon lock > xen: Add xen_create_contiguous_region > x86/PCI: Clean up pci_cache_line_size > x86/PCI: Enable scanning of all pci functions > Xen/x86/PCI: Add support for the Xen PCI subsytem > > Jeremy Fitzhardinge (4): > xen/swiotlb: use dma_alloc_from_coherent to get device coherent memory > x86/pci: make sure _PAGE_IOMAP it set on pci mappings > xen/pci: clean up Kconfig a bit > xen: checkpatch cleanups > > arch/x86/Kconfig | 4 + > arch/x86/include/asm/io.h | 2 + > arch/x86/include/asm/pci.h | 8 +- > arch/x86/include/asm/pci_x86.h | 2 + > arch/x86/include/asm/xen/iommu.h | 12 ++ > arch/x86/kernel/pci-dma.c | 3 + > arch/x86/pci/Makefile | 1 + > arch/x86/pci/common.c | 18 ++- > arch/x86/pci/i386.c | 3 + > arch/x86/pci/init.c | 6 + > arch/x86/pci/xen.c | 51 +++++++ > arch/x86/xen/Kconfig | 2 + > arch/x86/xen/enlighten.c | 6 +- > arch/x86/xen/mmu.c | 225 ++++++++++++++++++++++++++++++- > arch/x86/xen/setup.c | 3 - > drivers/pci/Makefile | 2 + > drivers/pci/xen-iommu.c | 279 ++++++++++++++++++++++++++++++++++++++ > drivers/xen/balloon.c | 15 +-- > include/xen/interface/memory.h | 50 +++++++ > include/xen/xen-ops.h | 6 + > 20 files changed, 671 insertions(+), 27 deletions(-) > create mode 100644 arch/x86/include/asm/xen/iommu.h > create mode 100644 arch/x86/pci/xen.c > create mode 100644 drivers/pci/xen-iommu.c > > Thanks, > J -- 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
