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