From: Logan Gunthorpe <logang@deltatee.com>
To: linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org,
linux-nvme@lists.infradead.org, linux-rdma@vger.kernel.org
Cc: Bjorn Helgaas <bhelgaas@google.com>,
Christoph Hellwig <hch@lst.de>,
Christian Koenig <Christian.Koenig@amd.com>,
Jason Gunthorpe <jgg@mellanox.com>,
Sagi Grimberg <sagi@grimberg.me>, Keith Busch <kbusch@kernel.org>,
Jens Axboe <axboe@fb.com>,
Dan Williams <dan.j.williams@intel.com>,
Eric Pilmore <epilmore@gigaio.com>,
Stephen Bates <sbates@raithlin.com>,
Logan Gunthorpe <logang@deltatee.com>
Subject: [PATCH v3 02/14] PCI/P2PDMA: Add provider's pci_dev to pci_p2pdma_pagemap struct
Date: Mon, 12 Aug 2019 11:30:36 -0600 [thread overview]
Message-ID: <20190812173048.9186-3-logang@deltatee.com> (raw)
In-Reply-To: <20190812173048.9186-1-logang@deltatee.com>
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@deltatee.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.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
WARNING: multiple messages have this Message-ID (diff)
From: logang@deltatee.com (Logan Gunthorpe)
Subject: [PATCH v3 02/14] PCI/P2PDMA: Add provider's pci_dev to pci_p2pdma_pagemap struct
Date: Mon, 12 Aug 2019 11:30:36 -0600 [thread overview]
Message-ID: <20190812173048.9186-3-logang@deltatee.com> (raw)
In-Reply-To: <20190812173048.9186-1-logang@deltatee.com>
The provider will be needed to figure out how to map a device.
Link: https://lore.kernel.org/r/20190730163545.4915-3-logang at deltatee.com
Signed-off-by: Logan Gunthorpe <logang at deltatee.com>
Signed-off-by: Bjorn Helgaas <bhelgaas at google.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
next prev parent reply other threads:[~2019-08-12 17:31 UTC|newest]
Thread overview: 60+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-08-12 17:30 [PATCH v3 00/14] PCI/P2PDMA: Support transactions that hit the host bridge Logan Gunthorpe
2019-08-12 17:30 ` Logan Gunthorpe
2019-08-12 17:30 ` [PATCH v3 01/14] PCI/P2PDMA: Introduce private pagemap structure Logan Gunthorpe
2019-08-12 17:30 ` Logan Gunthorpe
2019-08-16 8:06 ` Christoph Hellwig
2019-08-16 8:06 ` Christoph Hellwig
2019-08-12 17:30 ` Logan Gunthorpe [this message]
2019-08-12 17:30 ` [PATCH v3 02/14] PCI/P2PDMA: Add provider's pci_dev to pci_p2pdma_pagemap struct Logan Gunthorpe
2019-08-16 8:06 ` Christoph Hellwig
2019-08-16 8:06 ` Christoph Hellwig
2019-08-12 17:30 ` [PATCH v3 03/14] PCI/P2PDMA: Add constants for map type results to upstream_bridge_distance() Logan Gunthorpe
2019-08-12 17:30 ` Logan Gunthorpe
2019-08-16 8:08 ` Christoph Hellwig
2019-08-16 8:08 ` Christoph Hellwig
2019-08-12 17:30 ` [PATCH v3 04/14] PCI/P2PDMA: Factor out __upstream_bridge_distance() Logan Gunthorpe
2019-08-12 17:30 ` Logan Gunthorpe
2019-08-16 8:08 ` Christoph Hellwig
2019-08-16 8:08 ` Christoph Hellwig
2019-08-12 17:30 ` [PATCH v3 05/14] PCI/P2PDMA: Apply host bridge whitelist for ACS Logan Gunthorpe
2019-08-12 17:30 ` Logan Gunthorpe
2019-08-16 8:09 ` Christoph Hellwig
2019-08-16 8:09 ` Christoph Hellwig
2019-08-12 17:30 ` [PATCH v3 06/14] PCI/P2PDMA: Factor out host_bridge_whitelist() Logan Gunthorpe
2019-08-12 17:30 ` Logan Gunthorpe
2019-08-16 8:09 ` Christoph Hellwig
2019-08-16 8:09 ` Christoph Hellwig
2019-08-12 17:30 ` [PATCH v3 07/14] PCI/P2PDMA: Whitelist some Intel host bridges Logan Gunthorpe
2019-08-12 17:30 ` Logan Gunthorpe
2019-08-16 8:11 ` Christoph Hellwig
2019-08-16 8:11 ` Christoph Hellwig
2019-08-12 17:30 ` [PATCH v3 08/14] PCI/P2PDMA: Add attrs argument to pci_p2pdma_map_sg() Logan Gunthorpe
2019-08-12 17:30 ` Logan Gunthorpe
2019-08-16 8:12 ` Christoph Hellwig
2019-08-16 8:12 ` Christoph Hellwig
2019-08-12 17:30 ` [PATCH v3 09/14] PCI/P2PDMA: Introduce pci_p2pdma_unmap_sg() Logan Gunthorpe
2019-08-12 17:30 ` Logan Gunthorpe
2019-08-16 8:13 ` Christoph Hellwig
2019-08-16 8:13 ` Christoph Hellwig
2019-08-12 17:30 ` [PATCH v3 10/14] PCI/P2PDMA: Factor out __pci_p2pdma_map_sg() Logan Gunthorpe
2019-08-12 17:30 ` Logan Gunthorpe
2019-08-16 8:14 ` Christoph Hellwig
2019-08-16 8:14 ` Christoph Hellwig
2019-08-12 17:30 ` [PATCH v3 11/14] PCI/P2PDMA: Store mapping method in an xarray Logan Gunthorpe
2019-08-12 17:30 ` Logan Gunthorpe
2019-08-16 8:14 ` Christoph Hellwig
2019-08-16 8:14 ` Christoph Hellwig
2019-08-12 17:30 ` [PATCH v3 12/14] PCI/P2PDMA: dma_map() requests that traverse the host bridge Logan Gunthorpe
2019-08-12 17:30 ` Logan Gunthorpe
2019-08-16 8:15 ` Christoph Hellwig
2019-08-16 8:15 ` Christoph Hellwig
2019-08-12 17:30 ` [PATCH v3 13/14] PCI/P2PDMA: Allow IOMMU for host bridge whitelist Logan Gunthorpe
2019-08-12 17:30 ` Logan Gunthorpe
2019-08-16 8:16 ` Christoph Hellwig
2019-08-16 8:16 ` Christoph Hellwig
2019-08-12 17:30 ` [PATCH v3 14/14] PCI/P2PDMA: Update pci_p2pdma_distance_many() documentation Logan Gunthorpe
2019-08-12 17:30 ` Logan Gunthorpe
2019-08-16 8:16 ` Christoph Hellwig
2019-08-16 8:16 ` Christoph Hellwig
2019-08-16 13:45 ` [PATCH v3 00/14] PCI/P2PDMA: Support transactions that hit the host bridge Bjorn Helgaas
2019-08-16 13:45 ` Bjorn Helgaas
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