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Message-Id: <20190812173048.9186-3-logang@deltatee.com>
Date: Mon, 12 Aug 2019 11:30:36 -0600
From: Logan Gunthorpe <logang@...tatee.com>
To: linux-kernel@...r.kernel.org, linux-pci@...r.kernel.org,
linux-nvme@...ts.infradead.org, linux-rdma@...r.kernel.org
Cc: Bjorn Helgaas <bhelgaas@...gle.com>,
Christoph Hellwig <hch@....de>,
Christian Koenig <Christian.Koenig@....com>,
Jason Gunthorpe <jgg@...lanox.com>,
Sagi Grimberg <sagi@...mberg.me>,
Keith Busch <kbusch@...nel.org>, Jens Axboe <axboe@...com>,
Dan Williams <dan.j.williams@...el.com>,
Eric Pilmore <epilmore@...aio.com>,
Stephen Bates <sbates@...thlin.com>,
Logan Gunthorpe <logang@...tatee.com>
Subject: [PATCH v3 02/14] 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
Signed-off-by: Logan Gunthorpe <logang@...tatee.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@...gle.com>
---
drivers/pci/p2pdma.c | 2 ++
1 file changed, 2 insertions(+)
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);
--
2.20.1
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