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
37 extern struct bus_type pcie_port_bus_type;
38 extern int pcie_port_device_probe(struct pci_dev *dev);
39 extern int pcie_port_device_register(struct pci_dev *dev);
40 #ifdef CONFIG_PM
41 extern int pcie_port_device_suspend(struct device *dev);
42 extern int pcie_port_device_resume(struct device *dev);
43 #endif
44 extern void pcie_port_device_remove(struct pci_dev *dev);
45 extern int __must_check pcie_port_bus_register(void);
46 extern void pcie_port_bus_unregister(void);
47
48 #endif /* _PORTDRV_H_ */
49
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