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 #if !defined(PCI_CAP_ID_PME) 13 #define PCI_CAP_ID_PME 1 14 #endif 15 16 #if !defined(PCI_CAP_ID_EXP) 17 #define PCI_CAP_ID_EXP 0x10 18 #endif 19 20 #define PORT_TYPE_MASK 0xf 21 #define PORT_TO_SLOT_MASK 0x100 22 #define SLOT_HP_CAPABLE_MASK 0x40 23 #define PCIE_CAPABILITIES_REG 0x2 24 #define PCIE_SLOT_CAPABILITIES_REG 0x14 25 #define PCIE_PORT_DEVICE_MAXSERVICES 4 26 #define PCI_CFG_SPACE_SIZE 256 27 28 #define get_descriptor_id(type, service) (((type - 4) << 4) | service) 29 30 struct pcie_port_device_ext { 31 int interrupt_mode; /* [0:INTx | 1:MSI | 2:MSI-X] */ 32 unsigned int saved_msi_config_space[5]; 33 }; 34 35 extern struct bus_type pcie_port_bus_type; 36 extern int pcie_port_device_probe(struct pci_dev *dev); 37 extern int pcie_port_device_register(struct pci_dev *dev); 38 #ifdef CONFIG_PM 39 extern int pcie_port_device_suspend(struct pci_dev *dev, pm_message_t state); 40 extern int pcie_port_device_resume(struct pci_dev *dev); 41 #endif 42 extern void pcie_port_device_remove(struct pci_dev *dev); 43 extern void pcie_port_bus_register(void); 44 extern void pcie_port_bus_unregister(void); 45 46 #endif /* _PORTDRV_H_ */ 47