1 /* 2 * File: portdrv.h 3 * Purpose: PCI Express Port Bus Driver's Internal Data Structures 4 * 5 * Copyright (C) 2004 Intel 6 * Copyright (C) Tom Long Nguyen (tom.l.nguyen@intel.com) 7 */ 8 9 #ifndef _PORTDRV_H_ 10 #define _PORTDRV_H_ 11 12 #include <linux/compiler.h> 13 14 #define PCIE_PORT_DEVICE_MAXSERVICES 5 15 /* 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 18 */ 19 #define PCIE_PORT_MAX_MSIX_ENTRIES 32 20 21 #define get_descriptor_id(type, service) (((type - 4) << 8) | service) 22 23 extern struct bus_type pcie_port_bus_type; 24 int pcie_port_device_register(struct pci_dev *dev); 25 #ifdef CONFIG_PM 26 int pcie_port_device_suspend(struct device *dev); 27 int pcie_port_device_resume(struct device *dev); 28 #endif 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); 32 33 struct pci_dev; 34 35 void pcie_clear_root_pme_status(struct pci_dev *dev); 36 37 #ifdef CONFIG_HOTPLUG_PCI_PCIE 38 extern bool pciehp_msi_disabled; 39 40 static inline bool pciehp_no_msi(void) 41 { 42 return pciehp_msi_disabled; 43 } 44 45 #else /* !CONFIG_HOTPLUG_PCI_PCIE */ 46 static inline bool pciehp_no_msi(void) { return false; } 47 #endif /* !CONFIG_HOTPLUG_PCI_PCIE */ 48 49 #ifdef CONFIG_PCIE_PME 50 extern bool pcie_pme_msi_disabled; 51 52 static inline void pcie_pme_disable_msi(void) 53 { 54 pcie_pme_msi_disabled = true; 55 } 56 57 static inline bool pcie_pme_no_msi(void) 58 { 59 return pcie_pme_msi_disabled; 60 } 61 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 */ 68 69 #ifdef CONFIG_ACPI 70 void pcie_port_acpi_setup(struct pci_dev *port, int *mask); 71 72 static inline void pcie_port_platform_notify(struct pci_dev *port, int *mask) 73 { 74 pcie_port_acpi_setup(port, mask); 75 } 76 #else /* !CONFIG_ACPI */ 77 static inline void pcie_port_platform_notify(struct pci_dev *port, int *mask){} 78 #endif /* !CONFIG_ACPI */ 79 80 #endif /* _PORTDRV_H_ */ 81