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/fcntl.h> 38 #include <sys/buf.h> 39 #include <sys/proc.h> 40 #include <sys/mount.h> 41 #include <sys/vnode.h> 42 #include <sys/mountctl.h> 43 #include <sys/dirent.h> 44 #include <sys/uio.h> 45 46 #include "hammer2.h" 47 48 int 49 hammer2_msg_adhoc_input(kdmsg_msg_t *msg) 50 { 51 kprintf("ADHOC INPUT MSG %08x\n", msg->any.head.cmd); 52 return(0); 53 } 54 55 int 56 hammer2_msg_dbg_rcvmsg(kdmsg_msg_t *msg) 57 { 58 switch(msg->any.head.cmd & DMSGF_CMDSWMASK) { 59 case DMSG_DBG_SHELL: 60 /* 61 * Execute shell command (not supported atm) 62 * 63 * This is a one-way packet but if not (e.g. if part of 64 * a streaming transaction), we will have already closed 65 * our end. 66 */ 67 kdmsg_msg_reply(msg, DMSG_ERR_NOSUPP); 68 break; 69 case DMSG_DBG_SHELL | DMSGF_REPLY: 70 /* 71 * Receive one or more replies to a shell command that we 72 * sent. 73 * 74 * This is a one-way packet but if not (e.g. if part of 75 * a streaming transaction), we will have already closed 76 * our end. 77 */ 78 if (msg->aux_data) { 79 msg->aux_data[msg->aux_size - 1] = 0; 80 kprintf("DEBUGMSG: %s\n", msg->aux_data); 81 } 82 break; 83 default: 84 /* 85 * We don't understand what is going on, issue a reply. 86 * This will take care of all left-over cases whether it 87 * is a transaction or one-way. 88 */ 89 kdmsg_msg_reply(msg, DMSG_ERR_NOSUPP); 90 break; 91 } 92 return(0); 93 } 94