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/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 49 int 50 hammer2_msg_adhoc_input(kdmsg_msg_t *msg) 51 { 52 kprintf("ADHOC INPUT MSG %08x\n", msg->any.head.cmd); 53 return(0); 54 } 55 56 int 57 hammer2_msg_dbg_rcvmsg(kdmsg_msg_t *msg) 58 { 59 switch(msg->any.head.cmd & DMSGF_CMDSWMASK) { 60 case DMSG_DBG_SHELL: 61 /* 62 * Execute shell command (not supported atm) 63 * 64 * This is a one-way packet but if not (e.g. if part of 65 * a streaming transaction), we will have already closed 66 * our end. 67 */ 68 kdmsg_msg_reply(msg, DMSG_ERR_NOSUPP); 69 break; 70 case DMSG_DBG_SHELL | DMSGF_REPLY: 71 /* 72 * Receive one or more replies to a shell command that we 73 * sent. 74 * 75 * This is a one-way packet but if not (e.g. if part of 76 * a streaming transaction), we will have already closed 77 * our end. 78 */ 79 if (msg->aux_data) { 80 msg->aux_data[msg->aux_size - 1] = 0; 81 kprintf("DEBUGMSG: %s\n", msg->aux_data); 82 } 83 break; 84 default: 85 /* 86 * We don't understand what is going on, issue a reply. 87 * This will take care of all left-over cases whether it 88 * is a transaction or one-way. 89 */ 90 kdmsg_msg_reply(msg, DMSG_ERR_NOSUPP); 91 break; 92 } 93 return(0); 94 } 95