1 /*        $NetBSD: pci_calls.h,v 1.1 2021/09/15 17:33:08 thorpej Exp $          */
2 
3 /*
4  * THIS FILE IS AUTOMATICALLY GENERATED.  DO NOT EDIT.
5  *
6  * generated from:
7  *        NetBSD: pci_calls,v 1.1 2021/09/15 17:26:07 thorpej Exp
8  */
9 
10 /*-
11  * Copyright (c) 2021 The NetBSD Foundation, Inc.
12  * All rights reserved.
13  *
14  * This code is derived from software contributed to The NetBSD Foundation
15  * by Jason R. Thorpe.
16  *
17  * Redistribution and use in source and binary forms, with or without
18  * modification, are permitted provided that the following conditions
19  * are met:
20  * 1. Redistributions of source code must retain the above copyright
21  *    notice, this list of conditions and the following disclaimer.
22  * 2. Redistributions in binary form must reproduce the above copyright
23  *    notice, this list of conditions and the following disclaimer in the
24  *    documentation and/or other materials provided with the distribution.
25  *
26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36  * POSSIBILITY OF SUCH DAMAGE.
37  */
38 
39 /*
40  * Device calls used by the PCI subsystem.
41  */
42 
43 #ifndef _PCI_CALLS_H_
44 #define _PCI_CALLS_H_
45 
46 #include <sys/device.h>
47 
48 #include <dev/pci/pcivar.h>
49 
50 /*
51  * pci-bus-get-child-devhandle
52  *
53  * Retrieve the devhandle for the PCI device represented by 'tag'
54  * in the PCI segment represented by 'pc'.  The PCI bus's device_t
55  * is the one that's passed in the call, and the device whose handle
56  * is being requested must be a direct child of that bus, otherwise
57  * behavior is undefined.
58  *
59  * Call returns 0 if successful, or an error code upon failure:
60  *
61  * ENOTSUP          The device handle implementation for the
62  *                  PCI bus does not support this device call.
63  *
64  * ENODEV The PCI device represented by the pcitag_t
65  *                  was not found in a bus-scoped search of the
66  *                  platform device tree.
67  */
68 struct pci_bus_get_child_devhandle_args {
69           pci_chipset_tag_t pc;                   /* IN */
70           pcitag_t tag;                           /* IN */
71           devhandle_t devhandle;                  /* OUT */
72 };
73 
74 union pci_bus_get_child_devhandle_binding {
75           struct device_call_generic generic;
76           struct {
77                     const char *name;
78                     struct pci_bus_get_child_devhandle_args *args;
79           } binding;
80 };
81 
82 #define PCI_BUS_GET_CHILD_DEVHANDLE_STR "pci-bus-get-child-devhandle"
83 
84 #define PCI_BUS_GET_CHILD_DEVHANDLE(_args_) \
85           &((const union pci_bus_get_child_devhandle_binding){ \
86                     .binding.name = "pci-bus-get-child-devhandle", \
87                     .binding.args = (_args_), \
88           })
89 
90 #endif /* _PCI_CALLS_H_ */
91