392 lines
9.5 KiB
C
392 lines
9.5 KiB
C
/*-
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* Copyright (c) 1996, 1997, 1998 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Greg Oster
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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This program is a re-write of the original rf_ctrl program
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distributed by CMU with RAIDframe 1.1.
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This program is the user-land interface to the RAIDframe kernel
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driver in NetBSD.
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*/
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#include <sys/param.h>
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#include <sys/ioctl.h>
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#include <sys/stat.h>
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#include <util.h>
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#include <stdio.h>
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#include <fcntl.h>
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#include <ctype.h>
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#include <err.h>
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#include <errno.h>
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#include <sys/types.h>
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#include <string.h>
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#include <sys/disklabel.h>
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#include <machine/disklabel.h>
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#include <unistd.h>
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#include "rf_raidframe.h"
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extern char *__progname;
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int main __P((int, char *[]));
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static void do_ioctl __P((int, unsigned long, void *, char *));
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static void rf_configure __P((int, char*));
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static char *device_status __P((RF_DiskStatus_t));
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static void rf_get_device_status __P((int));
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static void rf_fail_disk __P((int, char *, int));
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static void usage __P((void));
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int
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main(argc,argv)
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int argc;
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char *argv[];
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{
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extern char *optarg;
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extern int optind;
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int ch;
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int num_options;
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unsigned long action;
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char config_filename[PATH_MAX];
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char dev_name[PATH_MAX];
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char name[PATH_MAX];
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char component_to_fail[PATH_MAX];
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int do_recon;
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int raidID;
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int rawpart;
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int recon_percent_done;
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struct stat st;
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int fd;
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num_options = 0;
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action = 0;
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do_recon = 0;
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while ((ch = getopt(argc, argv, "c:Cf:F:rRsu")) != -1)
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switch(ch) {
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case 'c':
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strncpy(config_filename,optarg,PATH_MAX);
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action = RAIDFRAME_CONFIGURE;
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num_options++;
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break;
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case 'C':
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action = RAIDFRAME_COPYBACK;
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num_options++;
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break;
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case 'f':
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action = RAIDFRAME_FAIL_DISK;
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do_recon = 0;
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strncpy(component_to_fail, optarg, PATH_MAX);
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num_options++;
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break;
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case 'F':
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action = RAIDFRAME_FAIL_DISK;
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do_recon = 1;
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strncpy(component_to_fail, optarg, PATH_MAX);
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num_options++;
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break;
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case 'r':
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action = RAIDFRAME_REWRITEPARITY;
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num_options++;
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break;
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case 'R':
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action = RAIDFRAME_CHECKRECON;
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num_options++;
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break;
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case 's':
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action = RAIDFRAME_GET_INFO;
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num_options++;
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break;
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case 'u':
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action = RAIDFRAME_SHUTDOWN;
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num_options++;
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break;
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default:
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usage();
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}
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argc -= optind;
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argv += optind;
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if ((num_options > 1) || (argc == NULL))
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usage();
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strncpy(name,argv[0],PATH_MAX);
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if ((name[0] == '/') || (name[0] == '.')) {
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/* they've (apparently) given a full path... */
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strncpy(dev_name, name, PATH_MAX);
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} else {
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if (isdigit(name[strlen(name)-1])) {
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rawpart = getrawpartition();
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snprintf(dev_name,PATH_MAX,"/dev/%s%c",name,
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'a'+rawpart);
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} else {
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snprintf(dev_name,PATH_MAX,"/dev/%s",name);
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}
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}
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if (stat(dev_name, &st) != 0) {
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fprintf(stderr,"%s: stat failure on: %s\n",
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__progname,dev_name);
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return (errno);
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}
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if (!S_ISBLK(st.st_mode) && !S_ISCHR(st.st_mode)) {
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fprintf(stderr,"%s: invalid device: %s\n",
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__progname,dev_name);
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return (EINVAL);
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}
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raidID = RF_DEV2RAIDID(st.st_rdev);
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if ((fd = open( dev_name, O_RDWR, 0640)) < 0) {
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fprintf(stderr, "%s: unable to open device file: %s\n",
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__progname, dev_name);
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exit(1);
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}
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switch(action) {
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case RAIDFRAME_CONFIGURE:
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rf_configure(fd, config_filename);
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break;
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case RAIDFRAME_COPYBACK:
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printf("Copyback.\n");
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do_ioctl(fd, RAIDFRAME_COPYBACK, NULL, "RAIDFRAME_COPYBACK");
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break;
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case RAIDFRAME_FAIL_DISK:
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rf_fail_disk(fd,component_to_fail,do_recon);
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break;
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case RAIDFRAME_REWRITEPARITY:
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printf("Initiating re-write of parity\n");
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do_ioctl(fd, RAIDFRAME_REWRITEPARITY, NULL,
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"RAIDFRAME_REWRITEPARITY");
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break;
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case RAIDFRAME_CHECKRECON:
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do_ioctl(fd, RAIDFRAME_CHECKRECON, &recon_percent_done,
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"RAIDFRAME_CHECKRECON");
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printf("Reconstruction is %d%% complete.\n",
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recon_percent_done);
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break;
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case RAIDFRAME_GET_INFO:
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rf_get_device_status(fd);
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break;
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case RAIDFRAME_SHUTDOWN:
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do_ioctl(fd, RAIDFRAME_SHUTDOWN, NULL, "RAIDFRAME_SHUTDOWN");
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break;
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default:
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break;
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}
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close(fd);
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exit(0);
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}
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static void
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do_ioctl(fd, command, arg, ioctl_name)
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int fd;
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unsigned long command;
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void *arg;
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char *ioctl_name;
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{
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if (ioctl(fd, command, arg) < 0) {
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warn("ioctl (%s) failed", ioctl_name);
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exit(1);
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}
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}
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static void
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rf_configure(fd,config_file)
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int fd;
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char *config_file;
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{
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void *generic;
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RF_Config_t cfg;
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if (rf_MakeConfig( config_file, &cfg ) < 0) {
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fprintf(stderr,"%s: unable to create RAIDframe %s\n",
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__progname, "configuration structure\n");
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exit(1);
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}
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/*
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Note the extra level of redirection needed here, since
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what we really want to pass in is a pointer to the pointer to
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the configuration structure.
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*/
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generic = (void *) &cfg;
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do_ioctl(fd,RAIDFRAME_CONFIGURE,&generic,"RAIDFRAME_CONFIGURE");
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#if 0
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if (ioctl(fd, RAIDFRAME_CONFIGURE, &generic) < 0) {
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warn("ioctl (RAIDFRAME_CONFIGURE): failed\n");
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exit(1);
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}
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#endif
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}
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static char *
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device_status(status)
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RF_DiskStatus_t status;
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{
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static char status_string[256];
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switch (status) {
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case rf_ds_optimal:
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strcpy(status_string,"optimal");
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break;
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case rf_ds_failed:
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strcpy(status_string,"failed");
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break;
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case rf_ds_reconstructing:
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strcpy(status_string,"reconstructing");
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break;
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case rf_ds_dist_spared:
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strcpy(status_string,"dist_spared");
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break;
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case rf_ds_spared:
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strcpy(status_string,"spared");
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break;
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case rf_ds_spare:
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strcpy(status_string,"spare");
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break;
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case rf_ds_used_spare:
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strcpy(status_string,"used_spare");
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break;
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default:
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strcpy(status_string,"UNKNOWN");
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break;
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}
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return(status_string);
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}
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static void
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rf_get_device_status(fd)
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int fd;
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{
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RF_DeviceConfig_t device_config;
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void *cfg_ptr;
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int i;
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cfg_ptr = &device_config;
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do_ioctl(fd, RAIDFRAME_GET_INFO, &cfg_ptr, "RAIDFRAME_GET_INFO");
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printf("Components:\n");
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for(i=0; i < device_config.ndevs; i++) {
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printf("%20s: %s\n", device_config.devs[i].devname,
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device_status(device_config.devs[i].status));
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}
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if (device_config.nspares > 0) {
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printf("Spares:\n");
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for(i=0; i < device_config.nspares; i++) {
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printf("%20s [%d][%d]: %s\n",
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device_config.spares[i].devname,
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device_config.spares[i].spareRow,
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device_config.spares[i].spareCol,
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device_status(device_config.spares[i].status));
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}
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} else {
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printf("No spares.\n");
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}
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}
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static void
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rf_fail_disk(fd, component_to_fail, do_recon)
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int fd;
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char *component_to_fail;
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int do_recon;
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{
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struct rf_recon_req recon_request;
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RF_DeviceConfig_t device_config;
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void *cfg_ptr;
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int i;
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int found;
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int component_num;
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component_num = -1;
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/* Assuming a full path spec... */
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cfg_ptr = &device_config;
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do_ioctl(fd, RAIDFRAME_GET_INFO, &cfg_ptr,
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"RAIDFRAME_GET_INFO");
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found = 0;
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for(i=0; i < device_config.ndevs; i++) {
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if (strncmp(component_to_fail,
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device_config.devs[i].devname,
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PATH_MAX)==0) {
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found = 1;
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component_num = i;
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}
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}
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if (!found) {
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fprintf(stderr,"%s: %s is not a component %s",
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__progname, component_to_fail,
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"of this device\n");
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exit(1);
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}
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recon_request.row = component_num / device_config.cols;
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recon_request.col = component_num % device_config.cols;
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if (do_recon) {
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recon_request.flags = RF_FDFLAGS_RECON;
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} else {
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recon_request.flags = RF_FDFLAGS_NONE;
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}
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do_ioctl(fd, RAIDFRAME_FAIL_DISK, &recon_request,
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"RAIDFRAME_FAIL_DISK");
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}
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static void
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usage()
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{
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fprintf(stderr, "usage: %s -c config_file dev\n", __progname);
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fprintf(stderr, " %s -C dev\n", __progname);
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fprintf(stderr, " %s -f component dev\n", __progname);
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fprintf(stderr, " %s -F component dev\n", __progname);
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fprintf(stderr, " %s -r dev\n", __progname);
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fprintf(stderr, " %s -R dev\n", __progname);
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fprintf(stderr, " %s -s dev\n", __progname);
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fprintf(stderr, " %s -u dev\n", __progname);
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exit(1);
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/* NOTREACHED */
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}
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