Re: [PATCH v2 0/3] PCIe Host request to reserve IOVA
On 2018-12-13 16:02, Srinath Mannam wrote: Few SOCs have limitation that their PCIe host can't allow few inbound address ranges. Allowed inbound address ranges are listed in dma-ranges DT property and this address ranges are required to do IOVA mapping. Remaining address ranges have to be reserved in IOVA mapping. PCIe Host driver of those SOCs has to list all address ranges which have to reserve their IOVA address into PCIe host bridge resource entry list. IOMMU framework will reserve these IOVAs while initializing IOMMU domain. This patch set is based on Linux-4.19-rc1. Changes from v1: - Addressed Oza review comments. Srinath Mannam (3): PCI: Add dma-resv window list iommu/dma: IOVA reserve for PCI host reserve address list PCI: iproc: Add dma reserve resources to host drivers/iommu/dma-iommu.c | 8 ++ drivers/pci/controller/pcie-iproc.c | 51 - drivers/pci/probe.c | 3 +++ include/linux/pci.h | 1 + 4 files changed, 62 insertions(+), 1 deletion(-) Looks good to me. Reviewed-by: Oza Pawandeep ___ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu
[PATCH v2 0/3] PCIe Host request to reserve IOVA
Few SOCs have limitation that their PCIe host can't allow few inbound address ranges. Allowed inbound address ranges are listed in dma-ranges DT property and this address ranges are required to do IOVA mapping. Remaining address ranges have to be reserved in IOVA mapping. PCIe Host driver of those SOCs has to list all address ranges which have to reserve their IOVA address into PCIe host bridge resource entry list. IOMMU framework will reserve these IOVAs while initializing IOMMU domain. This patch set is based on Linux-4.19-rc1. Changes from v1: - Addressed Oza review comments. Srinath Mannam (3): PCI: Add dma-resv window list iommu/dma: IOVA reserve for PCI host reserve address list PCI: iproc: Add dma reserve resources to host drivers/iommu/dma-iommu.c | 8 ++ drivers/pci/controller/pcie-iproc.c | 51 - drivers/pci/probe.c | 3 +++ include/linux/pci.h | 1 + 4 files changed, 62 insertions(+), 1 deletion(-) -- 2.7.4 ___ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu
