portdrv.h revision 3a3c244c9a355105bc193fde873c73727bf87192 
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 PCIE_PORT_MSI_VECTOR_MASK	0x1f
29/*
30 * According to the PCI Express Base Specification 2.0, the indices of the MSI-X
31 * table entires used by port services must not exceed 31
32 */
33#define PCIE_PORT_MAX_MSIX_ENTRIES	32
34
35#define get_descriptor_id(type, service) (((type - 4) << 4) | service)
36
37extern struct bus_type pcie_port_bus_type;
38extern int pcie_port_device_probe(struct pci_dev *dev);
39extern int pcie_port_device_register(struct pci_dev *dev);
40#ifdef CONFIG_PM
41extern int pcie_port_device_suspend(struct device *dev);
42extern int pcie_port_device_resume(struct device *dev);
43#endif
44extern void pcie_port_device_remove(struct pci_dev *dev);
45extern int __must_check pcie_port_bus_register(void);
46extern void pcie_port_bus_unregister(void);
47
48#endif /* _PORTDRV_H_ */
49