sys/bus/pci/pci_private.h

   1 /*-
   2  * Copyright (c) 1997, Stefan Esser <se@freebsd.org>
   3  * Copyright (c) 2000, Michael Smith <msmith@freebsd.org>
   4  * Copyright (c) 2000, BSDi
   5  * All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice unmodified, this list of conditions, and the following
  12  *    disclaimer.
  13  * 2. Redistributions in binary form must reproduce the above copyright
  14  *    notice, this list of conditions and the following disclaimer in the
  15  *    documentation and/or other materials provided with the distribution.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  18  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  19  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  20  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  21  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  22  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  23  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  24  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  26  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  27  *
  28  * $FreeBSD: src/sys/dev/pci/pci_private.h,v 1.25.8.1 2009/04/15 03:14:26 kensmith Exp $
  29  *
  30  */
  31
  32 #ifndef _PCI_PRIVATE_H_
  33 #define _PCI_PRIVATE_H_
  34
  35 /*
  36  * Export definitions of the pci bus so that we can more easily share
  37  * it with "subclass" busses.
  38  */
  39 DECLARE_CLASS(pci_driver);
  40
  41 void            pci_add_children(device_t dev, int domain, int busno,
  42                     size_t dinfo_size);
  43 void            pci_add_child(device_t bus, struct pci_devinfo *dinfo);
  44 void            pci_add_resources(device_t pcib, device_t bus, device_t dev, int force,
  45                     uint32_t prefetchmask);
  46 void            pci_driver_added(device_t dev, driver_t *driver);
  47 int             pci_print_child(device_t dev, device_t child);
  48 void            pci_probe_nomatch(device_t dev, device_t child);
  49 int             pci_read_ivar(device_t dev, device_t child, int which,
  50                     uintptr_t *result);
  51 int             pci_write_ivar(device_t dev, device_t child, int which,
  52                     uintptr_t value);
  53 int             pci_setup_intr(device_t dev, device_t child,
  54                     struct resource *irq, int flags,
  55                     driver_intr_t *intr, void *arg, void **cookiep, lwkt_serialize_t serializer);
  56 int             pci_teardown_intr(device_t dev, device_t child,
  57                     struct resource *irq, void *cookie);
  58 int             pci_get_vpd_ident_method(device_t dev, device_t child,
  59                     const char **identptr);
  60 int             pci_get_vpd_readonly_method(device_t dev, device_t child,
  61                     const char *kw, const char **vptr);
  62 int             pci_set_powerstate_method(device_t dev, device_t child,
  63                     int state);
  64 int             pci_get_powerstate_method(device_t dev, device_t child);
  65 uint32_t        pci_read_config_method(device_t dev, device_t child,
  66                     int reg, int width);
  67 void            pci_write_config_method(device_t dev, device_t child,
  68                     int reg, uint32_t val, int width);
  69 int             pci_enable_busmaster_method(device_t dev, device_t child);
  70 int             pci_disable_busmaster_method(device_t dev, device_t child);
  71 int             pci_enable_io_method(device_t dev, device_t child, int space);
  72 int             pci_disable_io_method(device_t dev, device_t child, int space);
  73 int             pci_find_extcap_method(device_t dev, device_t child,
  74                     int capability, int *capreg);
  75 int             pci_alloc_msi_method(device_t dev, device_t child, int *count);
  76 int             pci_alloc_msix_method(device_t dev, device_t child, int *count);
  77 int             pci_remap_msix_method(device_t dev, device_t child,
  78                     int count, const u_int *vectors);
  79 int             pci_release_msi_method(device_t dev, device_t child);
  80 int             pci_msi_count_method(device_t dev, device_t child);
  81 int             pci_msix_count_method(device_t dev, device_t child);
  82 struct resource *pci_alloc_resource(device_t dev, device_t child,
  83                     int type, int *rid, u_long start, u_long end, u_long count,
  84                     u_int flags);
  85 void            pci_delete_resource(device_t dev, device_t child,
  86                     int type, int rid);
  87 struct resource_list *pci_get_resource_list (device_t dev, device_t child);
  88 struct pci_devinfo *pci_read_device(device_t pcib, int d, int b, int s, int f,
  89                     size_t size);
  90 void            pci_print_verbose(struct pci_devinfo *dinfo);
  91 int             pci_freecfg(struct pci_devinfo *dinfo);
  92 int             pci_child_location_str_method(device_t cbdev, device_t child,
  93                     char *buf, size_t buflen);
  94 int             pci_child_pnpinfo_str_method(device_t cbdev, device_t child,
  95                     char *buf, size_t buflen);
  96 int             pci_assign_interrupt_method(device_t dev, device_t child);
  97 int             pci_resume(device_t dev);
  98 int             pci_suspend(device_t dev);
  99
 100 /** Restore the config register state.  The state must be previously
 101  * saved with pci_cfg_save.  However, the pci bus driver takes care of
 102  * that.  This function will also return the device to PCI_POWERSTATE_D0
 103  * if it is currently in a lower power mode.
 104  */
 105 void            pci_cfg_restore(device_t, struct pci_devinfo *);
 106
 107 /** Save the config register state.  Optionally set the power state to D3
 108  * if the third argument is non-zero.
 109  */
 110 void            pci_cfg_save(device_t, struct pci_devinfo *, int);
 111
 112 #endif /* _PCI_PRIVATE_H_ */