1 /*
2 * Copyright (c) 2012-2018 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/proc.h>
38 #include <sys/mount.h>
39
40 #include "hammer2.h"
41
42 int
hammer2_msg_adhoc_input(kdmsg_msg_t * msg)43 hammer2_msg_adhoc_input(kdmsg_msg_t *msg)
44 {
45 kprintf("ADHOC INPUT MSG %08x\n", msg->any.head.cmd);
46 return(0);
47 }
48
49 int
hammer2_msg_dbg_rcvmsg(kdmsg_msg_t * msg)50 hammer2_msg_dbg_rcvmsg(kdmsg_msg_t *msg)
51 {
52 switch(msg->any.head.cmd & DMSGF_CMDSWMASK) {
53 case DMSG_DBG_SHELL:
54 /*
55 * Execute shell command (not supported atm)
56 *
57 * This is a one-way packet but if not (e.g. if part of
58 * a streaming transaction), we will have already closed
59 * our end.
60 */
61 kdmsg_msg_reply(msg, DMSG_ERR_NOSUPP);
62 break;
63 case DMSG_DBG_SHELL | DMSGF_REPLY:
64 /*
65 * Receive one or more replies to a shell command that we
66 * sent.
67 *
68 * This is a one-way packet but if not (e.g. if part of
69 * a streaming transaction), we will have already closed
70 * our end.
71 */
72 if (msg->aux_data) {
73 msg->aux_data[msg->aux_size - 1] = 0;
74 kprintf("DEBUGMSG: %s\n", msg->aux_data);
75 }
76 break;
77 default:
78 /*
79 * We don't understand what is going on, issue a reply.
80 * This will take care of all left-over cases whether it
81 * is a transaction or one-way.
82 */
83 kdmsg_msg_reply(msg, DMSG_ERR_NOSUPP);
84 break;
85 }
86 return(0);
87 }
88