Hi Lorenzo, Thanks a lot. Regards, Srinath. On Fri, May 3, 2019 at 9:23 PM Lorenzo Pieralisi <lorenzo.pieralisi@xxxxxxx> wrote: > > On Fri, May 03, 2019 at 07:35:31PM +0530, Srinath Mannam wrote: > > This patch set will reserve IOVA addresses for DMA memory holes. > > > > The IPROC host controller allows only a few ranges of physical address > > as inbound PCI addresses which are listed through dma-ranges DT property. > > Added dma_ranges list field of PCI host bridge structure to hold these > > allowed inbound address ranges in sorted order. > > > > Process this list and reserve IOVA addresses that are not present in its > > resource entries (ie DMA memory holes) to prevent allocating IOVA > > addresses that cannot be allocated as inbound addresses. > > > > This patch set is based on Linux-5.1-rc3. > > > > Changes from v5: > > - Addressed Robin Murphy, Lorenzo review comments. > > - Error handling in dma ranges list processing. > > - Used commit messages given by Lorenzo to all patches. > > > > Changes from v4: > > - Addressed Bjorn, Robin Murphy and Auger Eric review comments. > > - Commit message modification. > > - Change DMA_BIT_MASK to "~(dma_addr_t)0". > > > > Changes from v3: > > - Addressed Robin Murphy review comments. > > - pcie-iproc: parse dma-ranges and make sorted resource list. > > - dma-iommu: process list and reserve gaps between entries > > > > Changes from v2: > > - Patch set rebased to Linux-5.0-rc2 > > > > Changes from v1: > > - Addressed Oza review comments. > > > > Srinath Mannam (3): > > PCI: Add dma_ranges window list > > iommu/dma: Reserve IOVA for PCIe inaccessible DMA address > > PCI: iproc: Add sorted dma ranges resource entries to host bridge > > > > drivers/iommu/dma-iommu.c | 35 ++++++++++++++++++++++++++--- > > drivers/pci/controller/pcie-iproc.c | 44 ++++++++++++++++++++++++++++++++++++- > > drivers/pci/probe.c | 3 +++ > > include/linux/pci.h | 1 + > > 4 files changed, 79 insertions(+), 4 deletions(-) > > I have applied the series to pci/iova-dma-ranges, targeting v5.2, > thanks. > > Lorenzo
