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 PCI_CFG_SPACE_SIZE 256 29 30#define get_descriptor_id(type, service) (((type - 4) << 4) | service) 31 32struct pcie_port_device_ext { 33 int interrupt_mode; /* [0:INTx | 1:MSI | 2:MSI-X] */ 34}; 35 36extern struct bus_type pcie_port_bus_type; 37extern int pcie_port_device_probe(struct pci_dev *dev); 38extern int pcie_port_device_register(struct pci_dev *dev); 39#ifdef CONFIG_PM 40extern int pcie_port_device_suspend(struct pci_dev *dev, pm_message_t state); 41extern int pcie_port_device_resume(struct pci_dev *dev); 42#endif 43extern void pcie_port_device_remove(struct pci_dev *dev); 44extern int __must_check pcie_port_bus_register(void); 45extern void pcie_port_bus_unregister(void); 46 47#endif /* _PORTDRV_H_ */ 48