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Commit 0afea381 authored by Logan Gunthorpe's avatar Logan Gunthorpe Committed by Bjorn Helgaas
Browse files

PCI/P2PDMA: Add provider's pci_dev to pci_p2pdma_pagemap struct 

The provider will be needed to figure out how to map a device.

Link: https://lore.kernel.org/r/20190730163545.4915-3-logang@deltatee.com
Link: https://lore.kernel.org/r/20190812173048.9186-3-logang@deltatee.com


Signed-off-by: default avatarLogan Gunthorpe <logang@deltatee.com>
Signed-off-by: default avatarBjorn Helgaas <bhelgaas@google.com>
Reviewed-by: default avatarChristoph Hellwig <hch@lst.de>
parent a6e6fe65

drivers/pci/p2pdma.c

+2 −0
Original line number Diff line number Diff line
@@ -27,6 +27,7 @@ struct pci_p2pdma { 


struct pci_p2pdma_pagemap {

	struct dev_pagemap pgmap;

	struct pci_dev *provider;

	u64 bus_offset;

};
@@ -178,6 +179,7 @@ int pci_p2pdma_add_resource(struct pci_dev *pdev, int bar, size_t size, 
	pgmap->res.flags = pci_resource_flags(pdev, bar);

	pgmap->type = MEMORY_DEVICE_PCI_P2PDMA;



	p2p_pgmap->provider = pdev;

	p2p_pgmap->bus_offset = pci_bus_address(pdev, bar) -

		pci_resource_start(pdev, bar);