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| author | Srinath Mannam <srinath.mannam@broadcom.com> | 2019-05-03 19:35:32 +0530 |
|---|---|---|
| committer | Bjorn Helgaas <bhelgaas@google.com> | 2019-05-06 16:02:47 -0500 |
| commit | e80a91ad302b3b66822756afc61f9f9c1658b9c9 (patch) | |
| tree | 8bbad2f4880f11f64b83655efd49166c2e405e1a /include | |
| parent | 9e98c678c2d6ae3a17cb2de55d17f69dddaa231b (diff) | |
| download | linux-stable-e80a91ad302b3b66822756afc61f9f9c1658b9c9.tar.gz linux-stable-e80a91ad302b3b66822756afc61f9f9c1658b9c9.tar.bz2 linux-stable-e80a91ad302b3b66822756afc61f9f9c1658b9c9.zip | |
PCI: Add dma_ranges window list
Add a dma_ranges field in PCI host bridge structure to hold resource
entries list of memory regions in sorted order representing memory ranges
that can be accessed through DMA transactions.
Based-on-a-patch-by: Oza Pawandeep <oza.oza@broadcom.com>
Signed-off-by: Srinath Mannam <srinath.mannam@broadcom.com>
[lorenzo.pieralisi@arm.com: updated commit log]
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Oza Pawandeep <poza@codeaurora.org>
Acked-by: Bjorn Helgaas <bhelgaas@google.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/pci.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/pci.h b/include/linux/pci.h index 77448215ef5b..bba0a29a5066 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h @@ -490,6 +490,7 @@ struct pci_host_bridge { void *sysdata; int busnr; struct list_head windows; /* resource_entry */ + struct list_head dma_ranges; /* dma ranges resource list */ u8 (*swizzle_irq)(struct pci_dev *, u8 *); /* Platform IRQ swizzler */ int (*map_irq)(const struct pci_dev *, u8, u8); void (*release_fn)(struct pci_host_bridge *); |