pcieport_if.h 2.5 KB

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  1. /*
  2. * File: pcieport_if.h
  3. * Purpose: PCI Express Port Bus Driver's IF Data Structure
  4. *
  5. * Copyright (C) 2004 Intel
  6. * Copyright (C) Tom Long Nguyen (tom.l.nguyen@intel.com)
  7. */
  8. #ifndef _PCIEPORT_IF_H_
  9. #define _PCIEPORT_IF_H_
  10. /* Port Type */
  11. #define PCIE_RC_PORT 4 /* Root port of RC */
  12. #define PCIE_SW_UPSTREAM_PORT 5 /* Upstream port of Switch */
  13. #define PCIE_SW_DOWNSTREAM_PORT 6 /* Downstream port of Switch */
  14. #define PCIE_ANY_PORT 7
  15. /* Service Type */
  16. #define PCIE_PORT_SERVICE_PME 1 /* Power Management Event */
  17. #define PCIE_PORT_SERVICE_AER 2 /* Advanced Error Reporting */
  18. #define PCIE_PORT_SERVICE_HP 4 /* Native Hotplug */
  19. #define PCIE_PORT_SERVICE_VC 8 /* Virtual Channel */
  20. /* Root/Upstream/Downstream Port's Interrupt Mode */
  21. #define PCIE_PORT_INTx_MODE 0
  22. #define PCIE_PORT_MSI_MODE 1
  23. #define PCIE_PORT_MSIX_MODE 2
  24. struct pcie_port_service_id {
  25. __u32 vendor, device; /* Vendor and device ID or PCI_ANY_ID*/
  26. __u32 subvendor, subdevice; /* Subsystem ID's or PCI_ANY_ID */
  27. __u32 class, class_mask; /* (class,subclass,prog-if) triplet */
  28. __u32 port_type, service_type; /* Port Entity */
  29. kernel_ulong_t driver_data;
  30. };
  31. struct pcie_device {
  32. int irq; /* Service IRQ/MSI/MSI-X Vector */
  33. int interrupt_mode; /* [0:INTx | 1:MSI | 2:MSI-X] */
  34. struct pcie_port_service_id id; /* Service ID */
  35. struct pci_dev *port; /* Root/Upstream/Downstream Port */
  36. void *priv_data; /* Service Private Data */
  37. struct device device; /* Generic Device Interface */
  38. };
  39. #define to_pcie_device(d) container_of(d, struct pcie_device, device)
  40. static inline void set_service_data(struct pcie_device *dev, void *data)
  41. {
  42. dev->priv_data = data;
  43. }
  44. static inline void* get_service_data(struct pcie_device *dev)
  45. {
  46. return dev->priv_data;
  47. }
  48. struct pcie_port_service_driver {
  49. const char *name;
  50. int (*probe) (struct pcie_device *dev,
  51. const struct pcie_port_service_id *id);
  52. void (*remove) (struct pcie_device *dev);
  53. int (*suspend) (struct pcie_device *dev, pm_message_t state);
  54. int (*resume) (struct pcie_device *dev);
  55. /* Service Error Recovery Handler */
  56. struct pci_error_handlers *err_handler;
  57. /* Link Reset Capability - AER service driver specific */
  58. pci_ers_result_t (*reset_link) (struct pci_dev *dev);
  59. const struct pcie_port_service_id *id_table;
  60. struct device_driver driver;
  61. };
  62. #define to_service_driver(d) \
  63. container_of(d, struct pcie_port_service_driver, driver)
  64. extern int pcie_port_service_register(struct pcie_port_service_driver *new);
  65. extern void pcie_port_service_unregister(struct pcie_port_service_driver *new);
  66. #endif /* _PCIEPORT_IF_H_ */