KVM: Maintain back mapping from irqchip/pin to gsi
[deliverable/linux.git] / include / linux / pci-acpi.h
1 /*
2 * File pci-acpi.h
3 *
4 * Copyright (C) 2004 Intel
5 * Copyright (C) Tom Long Nguyen (tom.l.nguyen@intel.com)
6 */
7
8 #ifndef _PCI_ACPI_H_
9 #define _PCI_ACPI_H_
10
11 #include <linux/acpi.h>
12
13 #ifdef CONFIG_ACPI
14 static inline acpi_handle acpi_find_root_bridge_handle(struct pci_dev *pdev)
15 {
16 struct pci_bus *pbus = pdev->bus;
17 /* Find a PCI root bus */
18 while (!pci_is_root_bus(pbus))
19 pbus = pbus->parent;
20 return acpi_get_pci_rootbridge_handle(pci_domain_nr(pbus),
21 pbus->number);
22 }
23
24 static inline acpi_handle acpi_pci_get_bridge_handle(struct pci_bus *pbus)
25 {
26 if (!pci_is_root_bus(pbus))
27 return DEVICE_ACPI_HANDLE(&(pbus->self->dev));
28 return acpi_get_pci_rootbridge_handle(pci_domain_nr(pbus),
29 pbus->number);
30 }
31 #else
32 static inline acpi_handle acpi_find_root_bridge_handle(struct pci_dev *pdev)
33 { return NULL; }
34 #endif
35
36 #endif /* _PCI_ACPI_H_ */
This page took 0.032489 seconds and 5 git commands to generate.