diff options
Diffstat (limited to 'drivers/pci/pcie/portdrv.h')
| -rw-r--r-- | drivers/pci/pcie/portdrv.h | 83 |
1 files changed, 59 insertions, 24 deletions
diff --git a/drivers/pci/pcie/portdrv.h b/drivers/pci/pcie/portdrv.h index 17ad53868f9..d525548404d 100644 --- a/drivers/pci/pcie/portdrv.h +++ b/drivers/pci/pcie/portdrv.h @@ -11,38 +11,73 @@ #include <linux/compiler.h> -#if !defined(PCI_CAP_ID_PME) -#define PCI_CAP_ID_PME 1 -#endif - -#if !defined(PCI_CAP_ID_EXP) -#define PCI_CAP_ID_EXP 0x10 -#endif - -#define PORT_TYPE_MASK 0xf -#define PORT_TO_SLOT_MASK 0x100 -#define SLOT_HP_CAPABLE_MASK 0x40 -#define PCIE_CAPABILITIES_REG 0x2 -#define PCIE_SLOT_CAPABILITIES_REG 0x14 -#define PCIE_PORT_DEVICE_MAXSERVICES 4 -#define PCIE_PORT_MSI_VECTOR_MASK 0x1f +#define PCIE_PORT_DEVICE_MAXSERVICES 4 /* - * According to the PCI Express Base Specification 2.0, the indices of the MSI-X - * table entires used by port services must not exceed 31 + * According to the PCI Express Base Specification 2.0, the indices of + * the MSI-X table entries used by port services must not exceed 31 */ #define PCIE_PORT_MAX_MSIX_ENTRIES 32 #define get_descriptor_id(type, service) (((type - 4) << 4) | service) extern struct bus_type pcie_port_bus_type; -extern int pcie_port_device_probe(struct pci_dev *dev); -extern int pcie_port_device_register(struct pci_dev *dev); +int pcie_port_device_register(struct pci_dev *dev); #ifdef CONFIG_PM -extern int pcie_port_device_suspend(struct device *dev); -extern int pcie_port_device_resume(struct device *dev); +int pcie_port_device_suspend(struct device *dev); +int pcie_port_device_resume(struct device *dev); #endif -extern void pcie_port_device_remove(struct pci_dev *dev); -extern int __must_check pcie_port_bus_register(void); -extern void pcie_port_bus_unregister(void); +void pcie_port_device_remove(struct pci_dev *dev); +int __must_check pcie_port_bus_register(void); +void pcie_port_bus_unregister(void); + +struct pci_dev; + +void pcie_clear_root_pme_status(struct pci_dev *dev); + +#ifdef CONFIG_HOTPLUG_PCI_PCIE +extern bool pciehp_msi_disabled; + +static inline bool pciehp_no_msi(void) +{ + return pciehp_msi_disabled; +} + +#else /* !CONFIG_HOTPLUG_PCI_PCIE */ +static inline bool pciehp_no_msi(void) { return false; } +#endif /* !CONFIG_HOTPLUG_PCI_PCIE */ + +#ifdef CONFIG_PCIE_PME +extern bool pcie_pme_msi_disabled; + +static inline void pcie_pme_disable_msi(void) +{ + pcie_pme_msi_disabled = true; +} + +static inline bool pcie_pme_no_msi(void) +{ + return pcie_pme_msi_disabled; +} + +void pcie_pme_interrupt_enable(struct pci_dev *dev, bool enable); +#else /* !CONFIG_PCIE_PME */ +static inline void pcie_pme_disable_msi(void) {} +static inline bool pcie_pme_no_msi(void) { return false; } +static inline void pcie_pme_interrupt_enable(struct pci_dev *dev, bool en) {} +#endif /* !CONFIG_PCIE_PME */ + +#ifdef CONFIG_ACPI +int pcie_port_acpi_setup(struct pci_dev *port, int *mask); + +static inline int pcie_port_platform_notify(struct pci_dev *port, int *mask) +{ + return pcie_port_acpi_setup(port, mask); +} +#else /* !CONFIG_ACPI */ +static inline int pcie_port_platform_notify(struct pci_dev *port, int *mask) +{ + return 0; +} +#endif /* !CONFIG_ACPI */ #endif /* _PORTDRV_H_ */ |
