3 * Purpose: PCI Express Port Bus Driver's Internal Data Structures
5 * Copyright (C) 2004 Intel
6 * Copyright (C) Tom Long Nguyen (tom.l.nguyen@intel.com)
12 #include <linux/compiler.h>
14 #define PCIE_PORT_DEVICE_MAXSERVICES 4
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
19 #define PCIE_PORT_MAX_MSIX_ENTRIES 32
21 #define get_descriptor_id(type, service) (((type - 4) << 4) | service)
23 extern bool pcie_ports_disabled
;
24 extern bool pcie_ports_auto
;
26 extern struct bus_type pcie_port_bus_type
;
27 extern int pcie_port_device_register(struct pci_dev
*dev
);
29 extern int pcie_port_device_suspend(struct device
*dev
);
30 extern int pcie_port_device_resume(struct device
*dev
);
32 extern void pcie_port_device_remove(struct pci_dev
*dev
);
33 extern int __must_check
pcie_port_bus_register(void);
34 extern void pcie_port_bus_unregister(void);
38 #ifdef CONFIG_PCIE_PME
39 extern bool pcie_pme_msi_disabled
;
41 static inline void pcie_pme_disable_msi(void)
43 pcie_pme_msi_disabled
= true;
46 static inline bool pcie_pme_no_msi(void)
48 return pcie_pme_msi_disabled
;
51 extern void pcie_pme_interrupt_enable(struct pci_dev
*dev
, bool enable
);
52 #else /* !CONFIG_PCIE_PME */
53 static inline void pcie_pme_disable_msi(void) {}
54 static inline bool pcie_pme_no_msi(void) { return false; }
55 static inline void pcie_pme_interrupt_enable(struct pci_dev
*dev
, bool en
) {}
56 #endif /* !CONFIG_PCIE_PME */
59 extern int pcie_port_acpi_setup(struct pci_dev
*port
, int *mask
);
61 static inline int pcie_port_platform_notify(struct pci_dev
*port
, int *mask
)
63 return pcie_port_acpi_setup(port
, mask
);
65 #else /* !CONFIG_ACPI */
66 static inline int pcie_port_platform_notify(struct pci_dev
*port
, int *mask
)
70 #endif /* !CONFIG_ACPI */
72 #endif /* _PORTDRV_H_ */