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| author | Philipp Stanner <pstanner@redhat.com> | 2024-06-13 13:50:25 +0200 |
|---|---|---|
| committer | Bjorn Helgaas <bhelgaas@google.com> | 2024-07-11 16:20:15 -0500 |
| commit | ad78e05d654567e0a96f91d5db198469ddc2d4fb (patch) | |
| tree | 1948929339f7bbd8b00631031c3ad2da9de5131a /include/linux/pci.h | |
| parent | f748a07a0b6430b3ed638e5df7ae5007a28eaf11 (diff) | |
| download | lwn-ad78e05d654567e0a96f91d5db198469ddc2d4fb.tar.gz lwn-ad78e05d654567e0a96f91d5db198469ddc2d4fb.zip | |
PCI: Add managed pcim_iomap_range()
The only managed mapping function currently is pcim_iomap() which doesn't
allow for mapping an area starting at a certain offset, which many drivers
want.
Add pcim_iomap_range() as an exported function.
Link: https://lore.kernel.org/r/20240613115032.29098-13-pstanner@redhat.com
Signed-off-by: Philipp Stanner <pstanner@redhat.com>
Signed-off-by: Krzysztof Wilczyński <kwilczynski@kernel.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Diffstat (limited to 'include/linux/pci.h')
| -rw-r--r-- | include/linux/pci.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/pci.h b/include/linux/pci.h index 0c19f0717899..98893a89bb5b 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h @@ -2303,6 +2303,8 @@ int pcim_iomap_regions(struct pci_dev *pdev, int mask, const char *name); int pcim_iomap_regions_request_all(struct pci_dev *pdev, int mask, const char *name); void pcim_iounmap_regions(struct pci_dev *pdev, int mask); +void __iomem *pcim_iomap_range(struct pci_dev *pdev, int bar, + unsigned long offset, unsigned long len); extern int pci_pci_problems; #define PCIPCI_FAIL 1 /* No PCI PCI DMA */ |