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Merge branch 'pci/iova-dma-ranges'

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- Add list of legal DMA address ranges to PCI host bridge (Srinath
    Mannam)

  - Reserve inaccessible DMA ranges so IOMMU doesn't allocate them (Srinath
    Mannam)

  - Parse iProc DT dma-ranges to learn what PCI devices can reach via DMA
    (Srinath Mannam)

* pci/iova-dma-ranges:
  PCI: iproc: Add sorted dma ranges resource entries to host bridge
  iommu/dma: Reserve IOVA for PCIe inaccessible DMA address
  PCI: Add dma_ranges window list

# Conflicts:
#	drivers/pci/probe.c
This commit is contained in:
Bjorn Helgaas 2019-05-13 18:34:45 -05:00
commit f2e9468316
4 changed files with 78 additions and 4 deletions
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1
include/linux/pci.h
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@ -492,6 +492,7 @@ struct pci_host_bridge {
void *sysdata;
int busnr;
struct list_head windows; /* resource_entry */
struct list_head dma_ranges; /* dma ranges resource list */
u8 (*swizzle_irq)(struct pci_dev *, u8 *); /* Platform IRQ swizzler */
int (*map_irq)(const struct pci_dev *, u8, u8);
void (*release_fn)(struct pci_host_bridge *);