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