3 * Purpose: PCI Express Port Bus Driver's Internal Data Structures
5 * Copyright (C) 2004 Intel
6 * Copyright (C) Tom Long Nguyen (tom.l.nguyen@intel.com)
12 #include <linux/compiler.h>
14 #define PCIE_PORT_DEVICE_MAXSERVICES 4
16 * According to the PCI Express Base Specification 2.0, the indices of
17 * the MSI-X table entries used by port services must not exceed 31
19 #define PCIE_PORT_MAX_MSIX_ENTRIES 32
21 #define get_descriptor_id(type, service) (((type - 4) << 4) | service)
23 extern struct bus_type pcie_port_bus_type;
24 int pcie_port_device_register(struct pci_dev *dev);
26 int pcie_port_device_suspend(struct device *dev);
27 int pcie_port_device_resume(struct device *dev);
29 void pcie_port_device_remove(struct pci_dev *dev);
30 int __must_check pcie_port_bus_register(void);
31 void pcie_port_bus_unregister(void);
35 void pcie_clear_root_pme_status(struct pci_dev *dev);
37 #ifdef CONFIG_HOTPLUG_PCI_PCIE
38 extern bool pciehp_msi_disabled;
40 static inline bool pciehp_no_msi(void)
42 return pciehp_msi_disabled;
45 #else /* !CONFIG_HOTPLUG_PCI_PCIE */
46 static inline bool pciehp_no_msi(void) { return false; }
47 #endif /* !CONFIG_HOTPLUG_PCI_PCIE */
49 #ifdef CONFIG_PCIE_PME
50 extern bool pcie_pme_msi_disabled;
52 static inline void pcie_pme_disable_msi(void)
54 pcie_pme_msi_disabled = true;
57 static inline bool pcie_pme_no_msi(void)
59 return pcie_pme_msi_disabled;
62 void pcie_pme_interrupt_enable(struct pci_dev *dev, bool enable);
63 #else /* !CONFIG_PCIE_PME */
64 static inline void pcie_pme_disable_msi(void) {}
65 static inline bool pcie_pme_no_msi(void) { return false; }
66 static inline void pcie_pme_interrupt_enable(struct pci_dev *dev, bool en) {}
67 #endif /* !CONFIG_PCIE_PME */
70 int pcie_port_acpi_setup(struct pci_dev *port, int *mask);
72 static inline int pcie_port_platform_notify(struct pci_dev *port, int *mask)
74 return pcie_port_acpi_setup(port, mask);
76 #else /* !CONFIG_ACPI */
77 static inline int pcie_port_platform_notify(struct pci_dev *port, int *mask)
81 #endif /* !CONFIG_ACPI */
83 #endif /* _PORTDRV_H_ */