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 #if !defined(PCI_CAP_ID_PME) 15 #define PCI_CAP_ID_PME 1 16 #endif 17 18 #if !defined(PCI_CAP_ID_EXP) 19 #define PCI_CAP_ID_EXP 0x10 20 #endif 21 22 #define PORT_TYPE_MASK 0xf 23 #define PORT_TO_SLOT_MASK 0x100 24 #define SLOT_HP_CAPABLE_MASK 0x40 25 #define PCIE_CAPABILITIES_REG 0x2 26 #define PCIE_SLOT_CAPABILITIES_REG 0x14 27 #define PCIE_PORT_DEVICE_MAXSERVICES 4 28 #define PCIE_PORT_MSI_VECTOR_MASK 0x1f 29 /* 30 * According to the PCI Express Base Specification 2.0, the indices of the MSI-X 31 * table entires used by port services must not exceed 31 32 */ 33 #define PCIE_PORT_MAX_MSIX_ENTRIES 32 34 35 #define get_descriptor_id(type, service) (((type - 4) << 4) | service) 36 37 extern struct bus_type pcie_port_bus_type; 38 extern int pcie_port_device_probe(struct pci_dev *dev); 39 extern int pcie_port_device_register(struct pci_dev *dev); 40 #ifdef CONFIG_PM 41 extern int pcie_port_device_suspend(struct device *dev); 42 extern int pcie_port_device_resume(struct device *dev); 43 #endif 44 extern void pcie_port_device_remove(struct pci_dev *dev); 45 extern int __must_check pcie_port_bus_register(void); 46 extern void pcie_port_bus_unregister(void); 47 48 #endif /* _PORTDRV_H_ */ 49