2 * Copyright (c) 1997, Stefan Esser <se@freebsd.org>
3 * Copyright (c) 2000, Michael Smith <msmith@freebsd.org>
4 * Copyright (c) 2000, BSDi
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice unmodified, this list of conditions, and the following
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.
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.
28 * $FreeBSD: src/sys/dev/pci/pci_private.h,v 1.25.8.1 2009/04/15 03:14:26 kensmith Exp $
32 #ifndef _PCI_PRIVATE_H_
33 #define _PCI_PRIVATE_H_
36 * Export definitions of the pci bus so that we can more easily share
37 * it with "subclass" busses.
39 DECLARE_CLASS(pci_driver
);
41 void pci_add_children(device_t dev
, int domain
, int busno
,
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
,
51 int pci_write_ivar(device_t dev
, device_t child
, int which
,
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
,
56 lwkt_serialize_t serializer
, const char *desc
);
57 int pci_teardown_intr(device_t dev
, device_t child
,
58 struct resource
*irq
, void *cookie
);
59 int pci_get_vpd_ident_method(device_t dev
, device_t child
,
60 const char **identptr
);
61 int pci_get_vpd_readonly_method(device_t dev
, device_t child
,
62 const char *kw
, const char **vptr
);
63 int pci_set_powerstate_method(device_t dev
, device_t child
,
65 int pci_get_powerstate_method(device_t dev
, device_t child
);
66 uint32_t pci_read_config_method(device_t dev
, device_t child
,
68 void pci_write_config_method(device_t dev
, device_t child
,
69 int reg
, uint32_t val
, int width
);
70 int pci_enable_busmaster_method(device_t dev
, device_t child
);
71 int pci_disable_busmaster_method(device_t dev
, device_t child
);
72 int pci_enable_io_method(device_t dev
, device_t child
, int space
);
73 int pci_disable_io_method(device_t dev
, device_t child
, int space
);
74 int pci_find_extcap_method(device_t dev
, device_t child
,
75 int capability
, int *capreg
);
76 int pci_alloc_msi_method(device_t dev
, device_t child
, int *rid
, int count
, int cpuid
);
77 int pci_alloc_msix_vector_method(device_t dev
, device_t child
, u_int vector
, int *rid
, int cpuid
);
78 int pci_release_msi_method(device_t dev
, device_t child
);
79 int pci_release_msix_vector_method(device_t dev
, device_t child
, int rid
);
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
, int cpuid
);
85 void pci_delete_resource(device_t dev
, device_t child
,
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
,
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
);
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.
105 void pci_cfg_restore(device_t
, struct pci_devinfo
*);
107 /** Save the config register state. Optionally set the power state to D3
108 * if the third argument is non-zero.
110 void pci_cfg_save(device_t
, struct pci_devinfo
*, int);
112 #endif /* _PCI_PRIVATE_H_ */