drivers/pci/pcie/portdrv.h

   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
   9 #ifndef _PORTDRV_H_
  10 #define _PORTDRV_H_
  11
  12 #if !defined(PCI_CAP_ID_PME)
  13 #define PCI_CAP_ID_PME                  1
  14 #endif
  15
  16 #if !defined(PCI_CAP_ID_EXP)
  17 #define PCI_CAP_ID_EXP                  0x10
  18 #endif
  19
  20 #define PORT_TYPE_MASK                  0xf
  21 #define PORT_TO_SLOT_MASK               0x100
  22 #define SLOT_HP_CAPABLE_MASK            0x40
  23 #define PCIE_CAPABILITIES_REG           0x2
  24 #define PCIE_SLOT_CAPABILITIES_REG      0x14
  25 #define PCIE_PORT_DEVICE_MAXSERVICES    4
  26 #define PCI_CFG_SPACE_SIZE              256
  27
  28 #define get_descriptor_id(type, service) (((type - 4) << 4) | service)
  29
  30 struct pcie_port_device_ext {
  31         int interrupt_mode;     /* [0:INTx | 1:MSI | 2:MSI-X] */
  32         unsigned int saved_msi_config_space[5];
  33 };
  34
  35 extern struct bus_type pcie_port_bus_type;
  36 extern int pcie_port_device_probe(struct pci_dev *dev);
  37 extern int pcie_port_device_register(struct pci_dev *dev);
  38 #ifdef CONFIG_PM
  39 extern int pcie_port_device_suspend(struct pci_dev *dev, pm_message_t state);
  40 extern int pcie_port_device_resume(struct pci_dev *dev);
  41 #endif
  42 extern void pcie_port_device_remove(struct pci_dev *dev);
  43 extern void pcie_port_bus_register(void);
  44 extern void pcie_port_bus_unregister(void);
  45
  46 #endif /* _PORTDRV_H_ */