11da177e4SLinus Torvalds /* 21da177e4SLinus Torvalds * File: portdrv.h 31da177e4SLinus Torvalds * Purpose: PCI Express Port Bus Driver's Internal Data Structures 41da177e4SLinus Torvalds * 51da177e4SLinus Torvalds * Copyright (C) 2004 Intel 61da177e4SLinus Torvalds * Copyright (C) Tom Long Nguyen (tom.l.nguyen@intel.com) 71da177e4SLinus Torvalds */ 81da177e4SLinus Torvalds 91da177e4SLinus Torvalds #ifndef _PORTDRV_H_ 101da177e4SLinus Torvalds #define _PORTDRV_H_ 111da177e4SLinus Torvalds 123ec6a8d0SAndrew Morton #include <linux/compiler.h> 133ec6a8d0SAndrew Morton 141da177e4SLinus Torvalds #if !defined(PCI_CAP_ID_PME) 151da177e4SLinus Torvalds #define PCI_CAP_ID_PME 1 161da177e4SLinus Torvalds #endif 171da177e4SLinus Torvalds 181da177e4SLinus Torvalds #if !defined(PCI_CAP_ID_EXP) 191da177e4SLinus Torvalds #define PCI_CAP_ID_EXP 0x10 201da177e4SLinus Torvalds #endif 211da177e4SLinus Torvalds 221da177e4SLinus Torvalds #define PORT_TYPE_MASK 0xf 231da177e4SLinus Torvalds #define PORT_TO_SLOT_MASK 0x100 241da177e4SLinus Torvalds #define SLOT_HP_CAPABLE_MASK 0x40 251da177e4SLinus Torvalds #define PCIE_CAPABILITIES_REG 0x2 261da177e4SLinus Torvalds #define PCIE_SLOT_CAPABILITIES_REG 0x14 271da177e4SLinus Torvalds #define PCIE_PORT_DEVICE_MAXSERVICES 4 28b43d4513SRafael J. Wysocki #define PCIE_PORT_MSI_VECTOR_MASK 0x1f 29b43d4513SRafael J. Wysocki /* 30b43d4513SRafael J. Wysocki * According to the PCI Express Base Specification 2.0, the indices of the MSI-X 31b43d4513SRafael J. Wysocki * table entires used by port services must not exceed 31 32b43d4513SRafael J. Wysocki */ 33b43d4513SRafael J. Wysocki #define PCIE_PORT_MAX_MSIX_ENTRIES 32 341da177e4SLinus Torvalds 351da177e4SLinus Torvalds #define get_descriptor_id(type, service) (((type - 4) << 4) | service) 361da177e4SLinus Torvalds 371da177e4SLinus Torvalds extern struct bus_type pcie_port_bus_type; 381da177e4SLinus Torvalds extern int pcie_port_device_probe(struct pci_dev *dev); 391da177e4SLinus Torvalds extern int pcie_port_device_register(struct pci_dev *dev); 401da177e4SLinus Torvalds #ifdef CONFIG_PM 417f4927c1SPavel Machek extern int pcie_port_device_suspend(struct pci_dev *dev, pm_message_t state); 421da177e4SLinus Torvalds extern int pcie_port_device_resume(struct pci_dev *dev); 431da177e4SLinus Torvalds #endif 441da177e4SLinus Torvalds extern void pcie_port_device_remove(struct pci_dev *dev); 453ec6a8d0SAndrew Morton extern int __must_check pcie_port_bus_register(void); 461da177e4SLinus Torvalds extern void pcie_port_bus_unregister(void); 471da177e4SLinus Torvalds 481da177e4SLinus Torvalds #endif /* _PORTDRV_H_ */ 49