| /* |
| * File: portdrv.h |
| * Purpose: PCI Express Port Bus Driver's Internal Data Structures |
| * |
| * Copyright (C) 2004 Intel |
| * Copyright (C) Tom Long Nguyen (tom.l.nguyen@intel.com) |
| */ |
| |
| #ifndef _PORTDRV_H_ |
| #define _PORTDRV_H_ |
| |
| #include <linux/compiler.h> |
| |
| #define PCIE_PORT_DEVICE_MAXSERVICES 5 |
| /* |
| * The PCIe Capability Interrupt Message Number (PCIe r3.1, sec 7.8.2) must |
| * be one of the first 32 MSI-X entries. Per PCI r3.0, sec 6.8.3.1, MSI |
| * supports a maximum of 32 vectors per function. |
| */ |
| #define PCIE_PORT_MAX_MSI_ENTRIES 32 |
| |
| #define get_descriptor_id(type, service) (((type - 4) << 8) | service) |
| |
| extern struct bus_type pcie_port_bus_type; |
| int pcie_port_device_register(struct pci_dev *dev); |
| #ifdef CONFIG_PM |
| int pcie_port_device_suspend(struct device *dev); |
| int pcie_port_device_resume(struct device *dev); |
| #endif |
| 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 |
| void pcie_port_acpi_setup(struct pci_dev *port, int *mask); |
| |
| static inline void pcie_port_platform_notify(struct pci_dev *port, int *mask) |
| { |
| pcie_port_acpi_setup(port, mask); |
| } |
| #else /* !CONFIG_ACPI */ |
| static inline void pcie_port_platform_notify(struct pci_dev *port, int *mask){} |
| #endif /* !CONFIG_ACPI */ |
| |
| #endif /* _PORTDRV_H_ */ |