portdrv.h 1.2 KB

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  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. #ifndef _PORTDRV_H_
  9. #define _PORTDRV_H_
  10. #include <linux/compiler.h>
  11. #if !defined(PCI_CAP_ID_PME)
  12. #define PCI_CAP_ID_PME 1
  13. #endif
  14. #if !defined(PCI_CAP_ID_EXP)
  15. #define PCI_CAP_ID_EXP 0x10
  16. #endif
  17. #define PORT_TYPE_MASK 0xf
  18. #define PORT_TO_SLOT_MASK 0x100
  19. #define SLOT_HP_CAPABLE_MASK 0x40
  20. #define PCIE_CAPABILITIES_REG 0x2
  21. #define PCIE_SLOT_CAPABILITIES_REG 0x14
  22. #define PCIE_PORT_DEVICE_MAXSERVICES 4
  23. #define get_descriptor_id(type, service) (((type - 4) << 4) | service)
  24. struct pcie_port_device_ext {
  25. int interrupt_mode; /* [0:INTx | 1:MSI | 2:MSI-X] */
  26. };
  27. extern struct bus_type pcie_port_bus_type;
  28. extern int pcie_port_device_probe(struct pci_dev *dev);
  29. extern int pcie_port_device_register(struct pci_dev *dev);
  30. #ifdef CONFIG_PM
  31. extern int pcie_port_device_suspend(struct pci_dev *dev, pm_message_t state);
  32. extern int pcie_port_device_resume(struct pci_dev *dev);
  33. #endif
  34. extern void pcie_port_device_remove(struct pci_dev *dev);
  35. extern int __must_check pcie_port_bus_register(void);
  36. extern void pcie_port_bus_unregister(void);
  37. #endif /* _PORTDRV_H_ */