text: /*-
   * Copyright (c) 1997, Stefan Esser <se@freebsd.org>
   * Copyright (c) 2000, Michael Smith <msmith@freebsd.org>
   * Copyright (c) 2000, BSDi
   * All rights reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   * 1. Redistributions of source code must retain the above copyright
   *    notice unmodified, this list of conditions, and the following
   *    disclaimer.
   * 2. Redistributions in binary form must reproduce the above copyright
   *    notice, this list of conditions and the following disclaimer in the
   *    documentation and/or other materials provided with the distribution.
   *
   * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
   * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
   * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
   * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
   * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
   * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
   * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
   * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   *
   * $FreeBSD: src/sys/dev/pci/pci_private.h,v 1.25.8.1 2009/04/15 03:14:26 kensmith Exp $
   *
   */
  
  #ifndef _PCI_PRIVATE_H_
  #define	_PCI_PRIVATE_H_
  
  /*
   * Export definitions of the pci bus so that we can more easily share
   * it with "subclass" busses.
   */
  DECLARE_CLASS(pci_driver);
  
  void		pci_add_children(device_t dev, int domain, int busno,
  		    size_t dinfo_size);
  void		pci_add_child(device_t bus, struct pci_devinfo *dinfo);
  void		pci_add_resources(device_t pcib, device_t bus, device_t dev, int force,
  		    uint32_t prefetchmask);
  void		pci_driver_added(device_t dev, driver_t *driver);
  int		pci_print_child(device_t dev, device_t child);
  void		pci_probe_nomatch(device_t dev, device_t child);
  int		pci_read_ivar(device_t dev, device_t child, int which,
  		    uintptr_t *result);
  int		pci_write_ivar(device_t dev, device_t child, int which,
  		    uintptr_t value);
  int		pci_setup_intr(device_t dev, device_t child,
  		    struct resource *irq, int flags,
  		    driver_intr_t *intr, void *arg, void **cookiep,
  		    lwkt_serialize_t serializer, const char *desc);
  int		pci_teardown_intr(device_t dev, device_t child,
  		    struct resource *irq, void *cookie);
  int		pci_get_vpd_ident_method(device_t dev, device_t child,
  		    const char **identptr);
  int		pci_get_vpd_readonly_method(device_t dev, device_t child,
  		    const char *kw, const char **vptr);
  int		pci_set_powerstate_method(device_t dev, device_t child,
  		    int state);
  int		pci_get_powerstate_method(device_t dev, device_t child);
  uint32_t	pci_read_config_method(device_t dev, device_t child, 
  		    int reg, int width);
  void		pci_write_config_method(device_t dev, device_t child, 
  		    int reg, uint32_t val, int width);
  int		pci_enable_busmaster_method(device_t dev, device_t child);
  int		pci_disable_busmaster_method(device_t dev, device_t child);
  int		pci_enable_io_method(device_t dev, device_t child, int space);
  int		pci_disable_io_method(device_t dev, device_t child, int space);
  int		pci_find_extcap_method(device_t dev, device_t child,
  		    int capability, int *capreg);
  int		pci_alloc_msi_method(device_t dev, device_t child, int *rid, int count, int cpuid);
  int		pci_alloc_msix_vector_method(device_t dev, device_t child, u_int vector, int *rid, int cpuid);
  int		pci_release_msi_method(device_t dev, device_t child);
  int		pci_release_msix_vector_method(device_t dev, device_t child, int rid);
  int		pci_msi_count_method(device_t dev, device_t child);
  int		pci_msix_count_method(device_t dev, device_t child);
  struct resource	*pci_alloc_resource(device_t dev, device_t child, 
  		    int type, int *rid, u_long start, u_long end, u_long count,
  		    u_int flags, int cpuid);
  void		pci_delete_resource(device_t dev, device_t child, 
  		    int type, int rid);
  struct resource_list *pci_get_resource_list (device_t dev, device_t child);
  struct pci_devinfo *pci_read_device(device_t pcib, int d, int b, int s, int f,
  		    size_t size);
  void		pci_print_verbose(struct pci_devinfo *dinfo);
  int		pci_freecfg(struct pci_devinfo *dinfo);
  int		pci_child_location_str_method(device_t cbdev, device_t child,
  		    char *buf, size_t buflen);
  int		pci_child_pnpinfo_str_method(device_t cbdev, device_t child,
  		    char *buf, size_t buflen);
  int		pci_assign_interrupt_method(device_t dev, device_t child);
  int		pci_resume(device_t dev);
  int		pci_suspend(device_t dev);
  
  /** Restore the config register state.  The state must be previously
   * saved with pci_cfg_save.  However, the pci bus driver takes care of
   * that.  This function will also return the device to PCI_POWERSTATE_D0
   * if it is currently in a lower power mode.
   */
  void		pci_cfg_restore(device_t, struct pci_devinfo *);
  
  /** Save the config register state.  Optionally set the power state to D3
   * if the third argument is non-zero.
   */
  void		pci_cfg_save(device_t, struct pci_devinfo *, int);
  
  #endif /* _PCI_PRIVATE_H_ */
  