1 /* $NetBSD: udf_strat_bootstrap.c,v 1.2 2008/08/29 15:04:18 reinoud Exp $ */ 2 3 /* 4 * Copyright (c) 2006, 2008 Reinoud Zandijk 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 * 27 */ 28 29 #include <sys/cdefs.h> 30 #ifndef lint 31 __KERNEL_RCSID(0, "$NetBSD: udf_strat_bootstrap.c,v 1.2 2008/08/29 15:04:18 reinoud Exp $"); 32 #endif /* not lint */ 33 34 35 #if defined(_KERNEL_OPT) 36 #include "opt_quota.h" 37 #include "opt_compat_netbsd.h" 38 #endif 39 40 #include <sys/param.h> 41 #include <sys/systm.h> 42 #include <sys/sysctl.h> 43 #include <sys/namei.h> 44 #include <sys/proc.h> 45 #include <sys/kernel.h> 46 #include <sys/vnode.h> 47 #include <miscfs/genfs/genfs_node.h> 48 #include <sys/mount.h> 49 #include <sys/buf.h> 50 #include <sys/file.h> 51 #include <sys/device.h> 52 #include <sys/disklabel.h> 53 #include <sys/ioctl.h> 54 #include <sys/malloc.h> 55 #include <sys/dirent.h> 56 #include <sys/stat.h> 57 #include <sys/conf.h> 58 #include <sys/kauth.h> 59 #include <sys/kthread.h> 60 #include <dev/clock_subr.h> 61 62 #include <fs/udf/ecma167-udf.h> 63 #include <fs/udf/udf_mount.h> 64 65 #include "udf.h" 66 #include "udf_subr.h" 67 #include "udf_bswap.h" 68 69 70 #define VTOI(vnode) ((struct udf_node *) vnode->v_data) 71 #define PRIV(ump) ((struct strat_private *) ump->strategy_private) 72 73 /* --------------------------------------------------------------------- */ 74 75 static int 76 udf_create_logvol_dscr_bootstrap(struct udf_strat_args *args) 77 { 78 panic("udf_create_logvol_dscr_bootstrap: not possible\n"); 79 return 0; 80 } 81 82 83 static void 84 udf_free_logvol_dscr_bootstrap(struct udf_strat_args *args) 85 { 86 panic("udf_free_logvol_dscr_bootstrap: no node descriptor reading\n"); 87 } 88 89 90 static int 91 udf_read_logvol_dscr_bootstrap(struct udf_strat_args *args) 92 { 93 panic("udf_read_logvol_dscr_bootstrap: no node descriptor reading\n"); 94 return 0; 95 } 96 97 98 static int 99 udf_write_logvol_dscr_bootstrap(struct udf_strat_args *args) 100 { 101 panic("udf_write_logvol_dscr_bootstrap: no writing\n"); 102 } 103 104 /* --------------------------------------------------------------------- */ 105 106 static void 107 udf_queuebuf_bootstrap(struct udf_strat_args *args) 108 { 109 struct udf_mount *ump = args->ump; 110 struct buf *buf = args->nestbuf; 111 112 KASSERT(ump); 113 KASSERT(buf); 114 KASSERT(buf->b_iodone == nestiobuf_iodone); 115 116 KASSERT(buf->b_flags & B_READ); 117 VOP_STRATEGY(ump->devvp, buf); 118 } 119 120 static void 121 udf_discstrat_init_bootstrap(struct udf_strat_args *args) 122 { 123 /* empty */ 124 } 125 126 127 static void 128 udf_discstrat_finish_bootstrap(struct udf_strat_args *args) 129 { 130 /* empty */ 131 } 132 133 /* --------------------------------------------------------------------- */ 134 135 struct udf_strategy udf_strat_bootstrap = 136 { 137 udf_create_logvol_dscr_bootstrap, 138 udf_free_logvol_dscr_bootstrap, 139 udf_read_logvol_dscr_bootstrap, 140 udf_write_logvol_dscr_bootstrap, 141 udf_queuebuf_bootstrap, 142 udf_discstrat_init_bootstrap, 143 udf_discstrat_finish_bootstrap 144 }; 145 146 147