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| author | Alex Williamson | 2014-02-03 22:27:33 +0100 |
|---|---|---|
| committer | Bjorn Helgaas | 2014-02-11 21:49:56 +0100 |
| commit | 2c74424470a0f98df8d6540642aff96d1a0b94b3 (patch) | |
| tree | 61f24a066645ddd7884d8545b579e0754c2763ce /include/linux/pci.h | |
| parent | Linus 3.14-rc1 (diff) | |
| download | kernel-qcow2-linux-2c74424470a0f98df8d6540642aff96d1a0b94b3.tar.gz kernel-qcow2-linux-2c74424470a0f98df8d6540642aff96d1a0b94b3.tar.xz kernel-qcow2-linux-2c74424470a0f98df8d6540642aff96d1a0b94b3.zip | |
PCI: Add device-specific PCI ACS enable
Some devices support PCI ACS-like features, but don't report it using the
standard PCIe capabilities. We already provide hooks for device-specific
testing of ACS, but not for device-specific enabling of ACS. This provides
that setup hook.
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
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 fb57c892b214..0f76d0f66365 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h @@ -1510,6 +1510,7 @@ enum pci_fixup_pass { void pci_fixup_device(enum pci_fixup_pass pass, struct pci_dev *dev); struct pci_dev *pci_get_dma_source(struct pci_dev *dev); int pci_dev_specific_acs_enabled(struct pci_dev *dev, u16 acs_flags); +void pci_dev_specific_enable_acs(struct pci_dev *dev); #else static inline void pci_fixup_device(enum pci_fixup_pass pass, struct pci_dev *dev) { } @@ -1522,6 +1523,7 @@ static inline int pci_dev_specific_acs_enabled(struct pci_dev *dev, { return -ENOTTY; } +static inline void pci_dev_specific_enable_acs(struct pci_dev *dev) { } #endif void __iomem *pcim_iomap(struct pci_dev *pdev, int bar, unsigned long maxlen); |