| 1 | /*- |
| 2 | * SPDX-License-Identifier: BSD-3-Clause |
| 3 | * |
| 4 | * Copyright (c) 2002 Poul-Henning Kamp |
| 5 | * Copyright (c) 2002 Networks Associates Technology, Inc. |
| 6 | * All rights reserved. |
| 7 | * |
| 8 | * This software was developed for the FreeBSD Project by Poul-Henning Kamp |
| 9 | * and NAI Labs, the Security Research Division of Network Associates, Inc. |
| 10 | * under DARPA/SPAWAR contract N66001-01-C-8035 ("CBOSS"), as part of the |
| 11 | * DARPA CHATS research program. |
| 12 | * |
| 13 | * Redistribution and use in source and binary forms, with or without |
| 14 | * modification, are permitted provided that the following conditions |
| 15 | * are met: |
| 16 | * 1. Redistributions of source code must retain the above copyright |
| 17 | * notice, this list of conditions and the following disclaimer. |
| 18 | * 2. Redistributions in binary form must reproduce the above copyright |
| 19 | * notice, this list of conditions and the following disclaimer in the |
| 20 | * documentation and/or other materials provided with the distribution. |
| 21 | * 3. The names of the authors may not be used to endorse or promote |
| 22 | * products derived from this software without specific prior written |
| 23 | * permission. |
| 24 | * |
| 25 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND |
| 26 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 27 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 28 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
| 29 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| 30 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| 31 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 32 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| 33 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| 34 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 35 | * SUCH DAMAGE. |
| 36 | */ |
| 37 | |
| 38 | LIST_HEAD(class_list_head, g_class); |
| 39 | TAILQ_HEAD(g_tailq_head, g_geom); |
| 40 | |
| 41 | extern int g_collectstats; |
| 42 | #define G_STATS_PROVIDERS	1	/* Collect I/O stats for providers */ |
| 43 | #define G_STATS_CONSUMERS	2	/* Collect I/O stats for consumers */ |
| 44 | |
| 45 | /* geom_dump.c */ |
| 46 | void g_confxml(void *, int flag); |
| 47 | void g_conf_specific(struct sbuf *sb, struct g_geom **gps); |
| 48 | void g_conf_cat_escaped(struct sbuf *sb, const char *buf); |
| 49 | void g_conf_printf_escaped(struct sbuf *sb, const char *fmt, ...); |
| 50 | void g_confdot(void *, int flag); |
| 51 | void g_conftxt(void *, int flag); |
| 52 | |
| 53 | /* geom_event.c */ |
| 54 | void g_event_init(void); |
| 55 | void g_run_events(void); |
| 56 | void g_do_wither(void); |
| 57 | |
| 58 | /* geom_subr.c */ |
| 59 | extern struct class_list_head g_classes; |
| 60 | extern char *g_wait_event, *g_wait_up, *g_wait_down; |
| 61 | void g_wither_washer(void); |
| 62 | |
| 63 | /* geom_io.c */ |
| 64 | void g_io_init(void); |
| 65 | void g_io_schedule_down(struct thread *tp); |
| 66 | void g_io_schedule_up(struct thread *tp); |
| 67 | |
| 68 | /* geom_kern.c / geom_kernsim.c */ |
| 69 | void g_init(void); |
| 70 | extern struct thread *g_up_td; |
| 71 | extern struct thread *g_down_td; |
| 72 | extern int g_shutdown; |
| 73 | extern int g_notaste; |
| 74 | |
| 75 | /* geom_ctl.c */ |
| 76 | void g_ctl_init(void); |