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| author | Logan Gunthorpe <logang@deltatee.com> | 2019-08-12 19:30:36 +0200 |
|---|---|---|
| committer | Bjorn Helgaas <bhelgaas@google.com> | 2019-08-16 15:40:05 +0200 |
| commit | 0afea3814358c97e2964710ba16fbb0b54ceda0e (patch) | |
| tree | ea1c2238b9be24c8b9f06f64057abfec3a33cf03 /drivers | |
| parent | PCI/P2PDMA: Introduce private pagemap structure (diff) | |
| download | linux-0afea3814358c97e2964710ba16fbb0b54ceda0e.tar.xz linux-0afea3814358c97e2964710ba16fbb0b54ceda0e.zip | |
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: Logan Gunthorpe <logang@deltatee.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/pci/p2pdma.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/pci/p2pdma.c b/drivers/pci/p2pdma.c index 03e9c887bdfb..93fbda14f4a9 100644 --- a/drivers/pci/p2pdma.c +++ b/drivers/pci/p2pdma.c @@ -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); |