portdrv.h 1.3 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 PCIE_PORT_MSI_VECTOR_MASK 0x1f
  24. /*
  25. * According to the PCI Express Base Specification 2.0, the indices of the MSI-X
  26. * table entires used by port services must not exceed 31
  27. */
  28. #define PCIE_PORT_MAX_MSIX_ENTRIES 32
  29. #define get_descriptor_id(type, service) (((type - 4) << 4) | service)
  30. extern struct bus_type pcie_port_bus_type;
  31. extern int pcie_port_device_probe(struct pci_dev *dev);
  32. extern int pcie_port_device_register(struct pci_dev *dev);
  33. #ifdef CONFIG_PM
  34. extern int pcie_port_device_suspend(struct device *dev);
  35. extern int pcie_port_device_resume(struct device *dev);
  36. #endif
  37. extern void pcie_port_device_remove(struct pci_dev *dev);
  38. extern int __must_check pcie_port_bus_register(void);
  39. extern void pcie_port_bus_unregister(void);
  40. #endif /* _PORTDRV_H_ */