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| author | Alex Williamson <alex.williamson@redhat.com> | 2015-05-27 00:11:44 +0300 |
|---|---|---|
| committer | Bjorn Helgaas <bhelgaas@google.com> | 2015-05-30 01:14:17 +0300 |
| commit | 19bdb6e4ec071bc49a9871b41e6a59a1657ed365 (patch) | |
| tree | d058b31e972d88e4ba3a340fbad5ca3dc0c14865 /include/linux/pci.h | |
| parent | 247de694349c2eeea11b8d8936541f5012a09318 (diff) | |
| download | linux-19bdb6e4ec071bc49a9871b41e6a59a1657ed365.tar.xz | |
PCI: Move pci_ari_enabled() to global header
pci_ari_enabled() is useful outside of drivers/pci, particularly for
deriving INTx routing via ACPI _PRT, so move it to the global header.
Also convert to bool return.
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Don Dutile <ddutile@redhat.com>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'include/linux/pci.h')
| -rw-r--r-- | include/linux/pci.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/include/linux/pci.h b/include/linux/pci.h index 353db8dc4c6e..2925561a8f1e 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h @@ -1905,4 +1905,15 @@ static inline bool pci_is_dev_assigned(struct pci_dev *pdev) { return (pdev->dev_flags & PCI_DEV_FLAGS_ASSIGNED) == PCI_DEV_FLAGS_ASSIGNED; } + +/** + * pci_ari_enabled - query ARI forwarding status + * @bus: the PCI bus + * + * Returns true if ARI forwarding is enabled. + */ +static inline bool pci_ari_enabled(struct pci_bus *bus) +{ + return bus->self && bus->self->ari_enabled; +} #endif /* LINUX_PCI_H */ |