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    Subject[PATCH 07/14] PCI/P2PDMA: Add the provider's pci_dev to the dev_pgmap struct
    The provider will be needed to figure out how to properly map a device.

    Signed-off-by: Logan Gunthorpe <logang@deltatee.com>
    ---
    drivers/pci/p2pdma.c | 1 +
    include/linux/memremap.h | 1 +
    2 files changed, 2 insertions(+)

    diff --git a/drivers/pci/p2pdma.c b/drivers/pci/p2pdma.c
    index 143e11d2a5c3..70c262b7c731 100644
    --- a/drivers/pci/p2pdma.c
    +++ b/drivers/pci/p2pdma.c
    @@ -168,6 +168,7 @@ int pci_p2pdma_add_resource(struct pci_dev *pdev, int bar, size_t size,
    pgmap->res.end = pgmap->res.start + size - 1;
    pgmap->res.flags = pci_resource_flags(pdev, bar);
    pgmap->type = MEMORY_DEVICE_PCI_P2PDMA;
    + pgmap->pci_p2pdma_provider = pdev;
    pgmap->pci_p2pdma_bus_offset = pci_bus_address(pdev, bar) -
    pci_resource_start(pdev, bar);

    diff --git a/include/linux/memremap.h b/include/linux/memremap.h
    index f8a5b2a19945..91aee61796bc 100644
    --- a/include/linux/memremap.h
    +++ b/include/linux/memremap.h
    @@ -112,6 +112,7 @@ struct dev_pagemap {
    struct device *dev;
    enum memory_type type;
    unsigned int flags;
    + struct pci_dev *pci_p2pdma_provider;
    u64 pci_p2pdma_bus_offset;
    const struct dev_pagemap_ops *ops;
    };
    --
    2.20.1
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