From 19bdb6e4ec071bc49a9871b41e6a59a1657ed365 Mon Sep 17 00:00:00 2001
From: Alex Williamson <alex.williamson@redhat.com>
Date: Tue, 26 May 2015 15:11:44 -0600
Subject: 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>
---
 include/linux/pci.h | 11 +++++++++++
 1 file changed, 11 insertions(+)

(limited to 'include')

diff --git a/include/linux/pci.h b/include/linux/pci.h
index 353db8d..2925561 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 */
-- 
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