Commit | Line | Data |
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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 | ||
f9f45604 | 14 | #define PCIE_PORT_DEVICE_MAXSERVICES 4 |
b43d4513 | 15 | /* |
f9f45604 KK |
16 | * According to the PCI Express Base Specification 2.0, the indices of |
17 | * the MSI-X table entires used by port services must not exceed 31 | |
b43d4513 RW |
18 | */ |
19 | #define PCIE_PORT_MAX_MSIX_ENTRIES 32 | |
1da177e4 LT |
20 | |
21 | #define get_descriptor_id(type, service) (((type - 4) << 4) | service) | |
22 | ||
79dd9182 RW |
23 | extern bool pcie_ports_disabled; |
24 | ||
1da177e4 | 25 | extern struct bus_type pcie_port_bus_type; |
1da177e4 LT |
26 | extern int pcie_port_device_register(struct pci_dev *dev); |
27 | #ifdef CONFIG_PM | |
3a3c244c RW |
28 | extern int pcie_port_device_suspend(struct device *dev); |
29 | extern int pcie_port_device_resume(struct device *dev); | |
1da177e4 LT |
30 | #endif |
31 | extern void pcie_port_device_remove(struct pci_dev *dev); | |
3ec6a8d0 | 32 | extern int __must_check pcie_port_bus_register(void); |
1da177e4 LT |
33 | extern void pcie_port_bus_unregister(void); |
34 | ||
c39fae14 RW |
35 | #ifdef CONFIG_PCIE_PME |
36 | extern bool pcie_pme_msi_disabled; | |
37 | ||
38 | static inline void pcie_pme_disable_msi(void) | |
39 | { | |
40 | pcie_pme_msi_disabled = true; | |
41 | } | |
42 | ||
43 | static inline bool pcie_pme_no_msi(void) | |
44 | { | |
45 | return pcie_pme_msi_disabled; | |
46 | } | |
47 | #else /* !CONFIG_PCIE_PME */ | |
48 | static inline void pcie_pme_disable_msi(void) {} | |
49 | static inline bool pcie_pme_no_msi(void) { return false; } | |
50 | #endif /* !CONFIG_PCIE_PME */ | |
51 | ||
1da177e4 | 52 | #endif /* _PORTDRV_H_ */ |