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;
25 extern struct bus_type pcie_port_bus_type;
26 extern int pcie_port_device_register(struct pci_dev *dev);
28 extern int pcie_port_device_suspend(struct device *dev);
29 extern int pcie_port_device_resume(struct device *dev);
31 extern void pcie_port_device_remove(struct pci_dev *dev);
32 extern int __must_check pcie_port_bus_register(void);
33 extern void pcie_port_bus_unregister(void);
35 #ifdef CONFIG_PCIE_PME
36 extern bool pcie_pme_msi_disabled;
38 static inline void pcie_pme_disable_msi(void)
40 pcie_pme_msi_disabled = true;
43 static inline bool pcie_pme_no_msi(void)
45 return pcie_pme_msi_disabled;
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 */
52 #endif /* _PORTDRV_H_ */