| 1 | /* $NetBSD: pciio.h,v 1.5 2016/09/24 23:12:54 mrg Exp $ */ |
| 2 | |
| 3 | /* |
| 4 | * Copyright 2001 Wasabi Systems, Inc. |
| 5 | * All rights reserved. |
| 6 | * |
| 7 | * Written by Jason R. Thorpe for Wasabi Systems, Inc. |
| 8 | * |
| 9 | * Redistribution and use in source and binary forms, with or without |
| 10 | * modification, are permitted provided that the following conditions |
| 11 | * are met: |
| 12 | * 1. Redistributions of source code must retain the above copyright |
| 13 | * notice, this list of conditions and the following disclaimer. |
| 14 | * 2. Redistributions in binary form must reproduce the above copyright |
| 15 | * notice, this list of conditions and the following disclaimer in the |
| 16 | * documentation and/or other materials provided with the distribution. |
| 17 | * 3. All advertising materials mentioning features or use of this software |
| 18 | * must display the following acknowledgement: |
| 19 | * This product includes software developed for the NetBSD Project by |
| 20 | * Wasabi Systems, Inc. |
| 21 | * 4. The name of Wasabi Systems, Inc. may not be used to endorse |
| 22 | * or promote products derived from this software without specific prior |
| 23 | * written permission. |
| 24 | * |
| 25 | * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND |
| 26 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
| 27 | * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| 28 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC |
| 29 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| 30 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| 31 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| 32 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| 33 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| 34 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| 35 | * POSSIBILITY OF SUCH DAMAGE. |
| 36 | */ |
| 37 | |
| 38 | #ifndef _DEV_PCI_PCIIO_H_ |
| 39 | #define _DEV_PCI_PCIIO_H_ |
| 40 | |
| 41 | /* |
| 42 | * User -> kernel interface for PCI bus access. |
| 43 | */ |
| 44 | |
| 45 | #include <sys/ioccom.h> |
| 46 | |
| 47 | /* |
| 48 | * pciio_cfgreg: |
| 49 | * |
| 50 | * Representation of a PCI config space register. |
| 51 | */ |
| 52 | struct pciio_cfgreg { |
| 53 | u_int reg; /* offset into PCI configuration space */ |
| 54 | uint32_t val; /* value of the register */ |
| 55 | }; |
| 56 | |
| 57 | /* |
| 58 | * Read and write PCI configuration space registers on a |
| 59 | * specific device. |
| 60 | */ |
| 61 | #define PCI_IOC_CFGREAD _IOWR('P', 0, struct pciio_cfgreg) |
| 62 | #define PCI_IOC_CFGWRITE _IOW('P', 1, struct pciio_cfgreg) |
| 63 | |
| 64 | /* |
| 65 | * pciio_bdf_cfgreg: |
| 66 | * |
| 67 | * Like pciio_cfgreg, except for any bus/dev/func within |
| 68 | * a given PCI domain. |
| 69 | */ |
| 70 | struct pciio_bdf_cfgreg { |
| 71 | u_int bus; |
| 72 | u_int device; |
| 73 | u_int function; |
| 74 | struct pciio_cfgreg cfgreg; |
| 75 | }; |
| 76 | |
| 77 | /* |
| 78 | * Read and write PCI configuration space registers on any |
| 79 | * device within a given PCI domain. |
| 80 | */ |
| 81 | #define PCI_IOC_BDF_CFGREAD _IOWR('P', 2, struct pciio_bdf_cfgreg) |
| 82 | #define PCI_IOC_BDF_CFGWRITE _IOW('P', 3, struct pciio_bdf_cfgreg) |
| 83 | |
| 84 | /* |
| 85 | * pciio_businfo: |
| 86 | * |
| 87 | * Information for a PCI bus (autoconfiguration node) instance. |
| 88 | */ |
| 89 | struct pciio_businfo { |
| 90 | u_int busno; /* bus number */ |
| 91 | u_int maxdevs; /* max devices on bus */ |
| 92 | }; |
| 93 | |
| 94 | #define PCI_IOC_BUSINFO _IOR('P', 4, struct pciio_businfo) |
| 95 | |
| 96 | /* |
| 97 | * pciio_drvname: |
| 98 | * |
| 99 | * Driver info for a PCI device (autoconfiguration node) instance. |
| 100 | */ |
| 101 | |
| 102 | /* The old drvname must be run on the correct bus. */ |
| 103 | #define PCI_IO_DRVNAME_LEN 16 |
| 104 | struct pciio_drvname { |
| 105 | u_int device; /* in: device number */ |
| 106 | u_int function; /* in: function number */ |
| 107 | char name[PCI_IO_DRVNAME_LEN]; |
| 108 | }; |
| 109 | #define PCI_IOC_DRVNAME _IOWR('P', 5, struct pciio_drvname) |
| 110 | |
| 111 | struct pciio_drvnameonbus { |
| 112 | u_int bus; /* in: (autoconf) bus number */ |
| 113 | u_int device; /* in: device number */ |
| 114 | u_int function; /* in: function number */ |
| 115 | char name[PCI_IO_DRVNAME_LEN]; |
| 116 | }; |
| 117 | #define PCI_IOC_DRVNAMEONBUS _IOWR('P', 5, struct pciio_drvnameonbus) |
| 118 | |
| 119 | |
| 120 | #endif /* _DEV_PCI_PCIIO_H_ */ |
| 121 | |