diff options
Diffstat (limited to 'include/linux/pci-acpi.h')
| -rw-r--r-- | include/linux/pci-acpi.h | 110 |
1 files changed, 60 insertions, 50 deletions
diff --git a/include/linux/pci-acpi.h b/include/linux/pci-acpi.h index 3ba25065fa9..637a608ded0 100644 --- a/include/linux/pci-acpi.h +++ b/include/linux/pci-acpi.h @@ -8,64 +8,74 @@ #ifndef _PCI_ACPI_H_ #define _PCI_ACPI_H_ -#define OSC_QUERY_TYPE 0 -#define OSC_SUPPORT_TYPE 1 -#define OSC_CONTROL_TYPE 2 -#define OSC_SUPPORT_MASKS 0x1f +#include <linux/acpi.h> -/* - * _OSC DW0 Definition - */ -#define OSC_QUERY_ENABLE 1 -#define OSC_REQUEST_ERROR 2 -#define OSC_INVALID_UUID_ERROR 4 -#define OSC_INVALID_REVISION_ERROR 8 -#define OSC_CAPABILITIES_MASK_ERROR 16 - -/* - * _OSC DW1 Definition (OS Support Fields) - */ -#define OSC_EXT_PCI_CONFIG_SUPPORT 1 -#define OSC_ACTIVE_STATE_PWR_SUPPORT 2 -#define OSC_CLOCK_PWR_CAPABILITY_SUPPORT 4 -#define OSC_PCI_SEGMENT_GROUPS_SUPPORT 8 -#define OSC_MSI_SUPPORT 16 +#ifdef CONFIG_ACPI +extern acpi_status pci_acpi_add_bus_pm_notifier(struct acpi_device *dev, + struct pci_bus *pci_bus); +extern acpi_status pci_acpi_remove_bus_pm_notifier(struct acpi_device *dev); +extern acpi_status pci_acpi_add_pm_notifier(struct acpi_device *dev, + struct pci_dev *pci_dev); +extern acpi_status pci_acpi_remove_pm_notifier(struct acpi_device *dev); +extern phys_addr_t acpi_pci_root_get_mcfg_addr(acpi_handle handle); -/* - * _OSC DW1 Definition (OS Control Fields) - */ -#define OSC_PCI_EXPRESS_NATIVE_HP_CONTROL 1 -#define OSC_SHPC_NATIVE_HP_CONTROL 2 -#define OSC_PCI_EXPRESS_PME_CONTROL 4 -#define OSC_PCI_EXPRESS_AER_CONTROL 8 -#define OSC_PCI_EXPRESS_CAP_STRUCTURE_CONTROL 16 +static inline acpi_handle acpi_find_root_bridge_handle(struct pci_dev *pdev) +{ + struct pci_bus *pbus = pdev->bus; -#define OSC_CONTROL_MASKS (OSC_PCI_EXPRESS_NATIVE_HP_CONTROL | \ - OSC_SHPC_NATIVE_HP_CONTROL | \ - OSC_PCI_EXPRESS_PME_CONTROL | \ - OSC_PCI_EXPRESS_AER_CONTROL | \ - OSC_PCI_EXPRESS_CAP_STRUCTURE_CONTROL) + /* Find a PCI root bus */ + while (!pci_is_root_bus(pbus)) + pbus = pbus->parent; -#ifdef CONFIG_ACPI -extern acpi_status pci_osc_control_set(acpi_handle handle, u32 flags); -extern acpi_status __pci_osc_support_set(u32 flags, const char *hid); -static inline acpi_status pci_osc_support_set(u32 flags) -{ - return __pci_osc_support_set(flags, PCI_ROOT_HID_STRING); + return ACPI_HANDLE(pbus->bridge); } -static inline acpi_status pcie_osc_support_set(u32 flags) + +static inline acpi_handle acpi_pci_get_bridge_handle(struct pci_bus *pbus) { - return __pci_osc_support_set(flags, PCI_EXPRESS_ROOT_HID_STRING); + struct device *dev; + + if (pci_is_root_bus(pbus)) + dev = pbus->bridge; + else + dev = &pbus->self->dev; + + return ACPI_HANDLE(dev); } + +void acpi_pci_add_bus(struct pci_bus *bus); +void acpi_pci_remove_bus(struct pci_bus *bus); + +#ifdef CONFIG_ACPI_PCI_SLOT +void acpi_pci_slot_init(void); +void acpi_pci_slot_enumerate(struct pci_bus *bus); +void acpi_pci_slot_remove(struct pci_bus *bus); +#else +static inline void acpi_pci_slot_init(void) { } +static inline void acpi_pci_slot_enumerate(struct pci_bus *bus) { } +static inline void acpi_pci_slot_remove(struct pci_bus *bus) { } +#endif + +#ifdef CONFIG_HOTPLUG_PCI_ACPI +void acpiphp_init(void); +void acpiphp_enumerate_slots(struct pci_bus *bus); +void acpiphp_remove_slots(struct pci_bus *bus); +void acpiphp_check_host_bridge(struct acpi_device *adev); +#else +static inline void acpiphp_init(void) { } +static inline void acpiphp_enumerate_slots(struct pci_bus *bus) { } +static inline void acpiphp_remove_slots(struct pci_bus *bus) { } +static inline void acpiphp_check_host_bridge(struct acpi_device *adev) { } +#endif + +#else /* CONFIG_ACPI */ +static inline void acpi_pci_add_bus(struct pci_bus *bus) { } +static inline void acpi_pci_remove_bus(struct pci_bus *bus) { } +#endif /* CONFIG_ACPI */ + +#ifdef CONFIG_ACPI_APEI +extern bool aer_acpi_firmware_first(void); #else -#if !defined(AE_ERROR) -typedef u32 acpi_status; -#define AE_ERROR (acpi_status) (0x0001) -#endif -static inline acpi_status pci_osc_control_set(acpi_handle handle, u32 flags) -{return AE_ERROR;} -static inline acpi_status pci_osc_support_set(u32 flags) {return AE_ERROR;} -static inline acpi_status pcie_osc_support_set(u32 flags) {return AE_ERROR;} +static inline bool aer_acpi_firmware_first(void) { return false; } #endif #endif /* _PCI_ACPI_H_ */ |