projects / linux-2.6-block.git / blame
| Commit | Line | Data |
|---|---|---|
| 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 | ||
| 23 | extern struct bus_type pcie_port_bus_type; | |
| 1da177e4 LT |
24 | extern int pcie_port_device_register(struct pci_dev *dev); |
| 25 | #ifdef CONFIG_PM | |
| 3a3c244c RW |
26 | extern int pcie_port_device_suspend(struct device *dev); |
| 27 | extern int pcie_port_device_resume(struct device *dev); | |
| 1da177e4 LT |
28 | #endif |
| 29 | extern void pcie_port_device_remove(struct pci_dev *dev); | |
| 3ec6a8d0 | 30 | extern int __must_check pcie_port_bus_register(void); |
| 1da177e4 LT |
31 | extern void pcie_port_bus_unregister(void); |
| 32 | ||
| c39fae14 RW |
33 | #ifdef CONFIG_PCIE_PME |
| 34 | extern bool pcie_pme_msi_disabled; | |
| 35 | ||
| 36 | static inline void pcie_pme_disable_msi(void) | |
| 37 | { | |
| 38 | pcie_pme_msi_disabled = true; | |
| 39 | } | |
| 40 | ||
| 41 | static inline bool pcie_pme_no_msi(void) | |
| 42 | { | |
| 43 | return pcie_pme_msi_disabled; | |
| 44 | } | |
| 45 | #else /* !CONFIG_PCIE_PME */ | |
| 46 | static inline void pcie_pme_disable_msi(void) {} | |
| 47 | static inline bool pcie_pme_no_msi(void) { return false; } | |
| 48 | #endif /* !CONFIG_PCIE_PME */ | |
| 49 | ||
| 1da177e4 | 50 | #endif /* _PORTDRV_H_ */ |