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 #include <linux/compiler.h>
  13
  14 #if !defined(PCI_CAP_ID_PME)
  15 #define PCI_CAP_ID_PME                  1
  16 #endif
  17
  18 #if !defined(PCI_CAP_ID_EXP)
  19 #define PCI_CAP_ID_EXP                  0x10
  20 #endif
  21
  22 #define PORT_TYPE_MASK                  0xf
  23 #define PORT_TO_SLOT_MASK               0x100
  24 #define SLOT_HP_CAPABLE_MASK            0x40
  25 #define PCIE_CAPABILITIES_REG           0x2
  26 #define PCIE_SLOT_CAPABILITIES_REG      0x14
  27 #define PCIE_PORT_DEVICE_MAXSERVICES    4
  28 #define PCIE_PORT_MSI_VECTOR_MASK       0x1f
  29 /*
  30  * According to the PCI Express Base Specification 2.0, the indices of the MSI-X
  31  * table entires used by port services must not exceed 31
  32  */
  33 #define PCIE_PORT_MAX_MSIX_ENTRIES      32
  34
  35 #define get_descriptor_id(type, service) (((type - 4) << 4) | service)
  36
  37 extern struct bus_type pcie_port_bus_type;
  38 extern int pcie_port_device_probe(struct pci_dev *dev);
  39 extern int pcie_port_device_register(struct pci_dev *dev);
  40 #ifdef CONFIG_PM
  41 extern int pcie_port_device_suspend(struct pci_dev *dev, pm_message_t state);
  42 extern int pcie_port_device_resume(struct pci_dev *dev);
  43 #endif
  44 extern void pcie_port_device_remove(struct pci_dev *dev);
  45 extern int __must_check pcie_port_bus_register(void);
  46 extern void pcie_port_bus_unregister(void);
  47
  48 #endif /* _PORTDRV_H_ */