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