1.\" 2.\" Copyright (c) 2007 3.\" The DragonFly Project. All rights reserved. 4.\" 5.\" Redistribution and use in source and binary forms, with or without 6.\" modification, are permitted provided that the following conditions 7.\" are met: 8.\" 9.\" 1. Redistributions of source code must retain the above copyright 10.\" notice, this list of conditions and the following disclaimer. 11.\" 2. Redistributions in binary form must reproduce the above copyright 12.\" notice, this list of conditions and the following disclaimer in 13.\" the documentation and/or other materials provided with the 14.\" distribution. 15.\" 3. Neither the name of The DragonFly Project nor the names of its 16.\" contributors may be used to endorse or promote products derived 17.\" from this software without specific, prior written permission. 18.\" 19.\" THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 20.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 21.\" LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 22.\" FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 23.\" COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 24.\" INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING, 25.\" BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 26.\" LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 27.\" AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 28.\" OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 29.\" OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30.\" SUCH DAMAGE. 31.\" 32.\" $DragonFly: src/share/man/man9/firmware.9,v 1.2 2008/01/10 12:45:10 sephe Exp $ 33.\" 34.Dd January 10, 2008 35.Dt FIRMWARE 9 36.Os 37.Sh NAME 38.Nm firmware_image_load , 39.Nm firmware_image_unload 40.Nd firmware support 41.Sh SYNOPSIS 42.In sys/firmware.h 43.Ft struct fw_image * 44.Fn firmware_image_load "const char *image_name" "bus_dma_tag_t parent_tag" 45.Ft void 46.Fn firmware_image_unload "struct fw_image *img" 47.Sh DESCRIPTION 48The 49.Nm firmware 50interface provides functions for loading and unloading of firmware images. 51.Pp 52The 53.Fn firmware_image_load 54function loads the firmware 55.Fa image_name 56into the kernel and returns a pointer to a 57.Vt struct fw_image. 58If 59.Fa parent_tag 60is not NULL, 61firmware will be loaded into contiguous physical memory 62according to it. 63The 64.Fn firmware_image_unload 65function unloads the image associated with 66.Fa img 67(obtained with a previous call to 68.Fn firmware_image_load ) . 69.Pp 70Images have to reside in 71.Pa /etc/firmware 72in order for these functions to work. 73This requires the root partition being mounted. 74.Sh HISTORY 75The 76.Nm firmware 77framework first appeared in 78.Dx 1.1 . 79.Sh AUTHORS 80.An Johannes Hofmann 81.An Joerg Sonnenberger 82