portdrv.h revision 20d516602c022997feb24a9f1a806fc986b9e4e8 
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
30struct pcie_port_device_ext {
31	int interrupt_mode;	/* [0:INTx | 1:MSI | 2:MSI-X] */
32};
33
34extern struct bus_type pcie_port_bus_type;
35extern int pcie_port_device_probe(struct pci_dev *dev);
36extern int pcie_port_device_register(struct pci_dev *dev);
37#ifdef CONFIG_PM
38extern int pcie_port_device_suspend(struct pci_dev *dev, pm_message_t state);
39extern int pcie_port_device_resume(struct pci_dev *dev);
40#endif
41extern void pcie_port_device_remove(struct pci_dev *dev);
42extern int pcie_port_bus_register(void);
43extern void pcie_port_bus_unregister(void);
44
45#endif /* _PORTDRV_H_ */
46