hammer2 - Flesh out span code, API cleanups
[dragonfly.git] / sys / vfs / hammer2 / hammer2_msgops.c
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1/*
2 * Copyright (c) 2012 The DragonFly Project. All rights reserved.
3 *
4 * This code is derived from software contributed to The DragonFly Project
5 * by Matthew Dillon <dillon@dragonflybsd.org>
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 *
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in
15 * the documentation and/or other materials provided with the
16 * distribution.
17 * 3. Neither the name of The DragonFly Project nor the names of its
18 * contributors may be used to endorse or promote products derived
19 * from this software without specific, prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
22 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
23 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
24 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
25 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
26 * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING,
27 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
28 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
29 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
30 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
31 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 * SUCH DAMAGE.
33 */
34#include <sys/param.h>
35#include <sys/systm.h>
36#include <sys/kernel.h>
37#include <sys/fcntl.h>
38#include <sys/buf.h>
39#include <sys/proc.h>
40#include <sys/namei.h>
41#include <sys/mount.h>
42#include <sys/vnode.h>
43#include <sys/mountctl.h>
44#include <sys/dirent.h>
45#include <sys/uio.h>
46
47#include "hammer2.h"
48
49int
50hammer2_msg_adhoc_input(hammer2_pfsmount_t *pmp, hammer2_msg_t *msg)
51{
52 kprintf("ADHOC INPUT MSG %08x\n", msg->any.head.cmd);
53 return(0);
54}
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55
56int
57hammer2_msg_dbg_rcvmsg(hammer2_pfsmount_t *pmp, hammer2_msg_t *msg)
58{
59 switch(msg->any.head.cmd & HAMMER2_MSGF_CMDSWMASK) {
60 case HAMMER2_DBG_SHELL:
61 /*
62 * Execute shell command (not supported atm)
63 */
64 hammer2_msg_reply(pmp, msg, HAMMER2_MSG_ERR_UNKNOWN);
65 break;
66 case HAMMER2_DBG_SHELL | HAMMER2_MSGF_REPLY:
67 if (msg->aux_data) {
68 msg->aux_data[msg->aux_size - 1] = 0;
69 kprintf("DEBUGMSG: %s\n", msg->aux_data);
70 }
71 break;
72 default:
73 hammer2_msg_reply(pmp, msg, HAMMER2_MSG_ERR_UNKNOWN);
74 break;
75 }
76 return(0);
77}