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      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