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1da177e4 LT |
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 | ||
3ec6a8d0 AM |
12 | #include <linux/compiler.h> |
13 | ||
1da177e4 LT |
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 | |
b43d4513 RW |
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 | |
1da177e4 LT |
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 | |
3a3c244c RW |
41 | extern int pcie_port_device_suspend(struct device *dev); |
42 | extern int pcie_port_device_resume(struct device *dev); | |
1da177e4 LT |
43 | #endif |
44 | extern void pcie_port_device_remove(struct pci_dev *dev); | |
3ec6a8d0 | 45 | extern int __must_check pcie_port_bus_register(void); |
1da177e4 LT |
46 | extern void pcie_port_bus_unregister(void); |
47 | ||
48 | #endif /* _PORTDRV_H_ */ |