usr.sbin/mlxcontrol/config.c

   1 /*-
   2  * Copyright (c) 1999 Michael Smith
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  *
  14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  24  * SUCH DAMAGE.
  25  *
  26  *      $FreeBSD: src/usr.sbin/mlxcontrol/config.c,v 1.2.2.1 2000/04/24 19:44:46 msmith Exp $
  27  *      $DragonFly: src/usr.sbin/mlxcontrol/config.c,v 1.3 2003/08/08 04:18:46 dillon Exp $
  28  */
  29
  30 #include <fcntl.h>
  31 #include <paths.h>
  32 #include <stdio.h>
  33 #include <stdlib.h>
  34 #include <string.h>
  35 #include <unistd.h>
  36 #include <err.h>
  37
  38 #include <dev/raid/mlx/mlxio.h>
  39 #include <dev/raid/mlx/mlxreg.h>
  40
  41 #include "mlxcontrol.h"
  42
  43 static void     print_span(struct mlx_sys_drv_span *span, int arms);
  44 static void     print_sys_drive(struct conf_config *conf, int drvno);
  45 static void     print_phys_drive(struct conf_config *conf, int chn, int targ);
  46
  47 /********************************************************************************
  48  * Get the configuration from the selected controller.
  49  *
  50  * config <controller>
  51  *              Print the configuration for <controller>
  52  *
  53  * XXX update to support adding/deleting drives.
  54  */
  55
  56 int
  57 cmd_config(int argc, char *argv[])
  58 {
  59     struct conf_config  conf;
  60     int                 unit = 0;       /* XXX */
  61     int                 i, j;
  62
  63     bzero(&conf.cc_cfg, sizeof(conf.cc_cfg));
  64     if (mlx_read_configuration(unit, &conf.cc_cfg)) {
  65         printf("mlx%d: error submitting READ CONFIGURATION\n", unit);
  66     } else {
  67
  68         printf("# Controller <INSERT DETAILS HERE>\n");
  69         printf("#\n# Physical devices connected:\n");
  70         for (i = 0; i < 5; i++)
  71             for (j = 0; j < 16; j++)
  72             print_phys_drive(&conf, i, j);
  73         printf("#\n# System Drives defined:\n");
  74
  75         for (i = 0; i < conf.cc_cfg.cc_num_sys_drives; i++)
  76             print_sys_drive(&conf, i);
  77     }
  78     return(0);
  79 }
  80
  81
  82 /********************************************************************************
  83  * Print details for the system drive (drvno) in a format that we will be
  84  * able to parse later.
  85  *
  86  * drive?? <raidlevel> <writemode>
  87  *   span? 0x????????-0x???????? ????MB on <disk> [...]
  88  *   ...
  89  */
  90 static void
  91 print_span(struct mlx_sys_drv_span *span, int arms)
  92 {
  93     int         i;
  94
  95     printf("0x%08x-0x%08x %uMB on", span->sp_start_lba, span->sp_start_lba + span->sp_nblks, span->sp_nblks / 2048);
  96     for (i = 0; i < arms; i++)
  97         printf(" disk%02d%02d", span->sp_arm[i] >> 4, span->sp_arm[i] & 0x0f);
  98     printf("\n");
  99 }
 100
 101 static void
 102 print_sys_drive(struct conf_config *conf, int drvno)
 103 {
 104     struct mlx_sys_drv  *drv = &conf->cc_cfg.cc_sys_drives[drvno];
 105     int                 i;
 106
 107     printf("drive%02d ", drvno);
 108     switch(drv->sd_raidlevel & 0xf) {
 109     case MLX_SYS_DRV_RAID0:
 110         printf("RAID0");
 111         break;
 112     case MLX_SYS_DRV_RAID1:
 113         printf("RAID1");
 114         break;
 115     case MLX_SYS_DRV_RAID3:
 116         printf("RAID3");
 117         break;
 118     case MLX_SYS_DRV_RAID5:
 119         printf("RAID5");
 120         break;
 121     case MLX_SYS_DRV_RAID6:
 122         printf("RAID6");
 123         break;
 124     case MLX_SYS_DRV_JBOD:
 125         printf("JBOD");
 126         break;
 127     default:
 128         printf("RAID?");
 129     }
 130     printf(" write%s\n", drv->sd_raidlevel & MLX_SYS_DRV_WRITEBACK ? "back" : "through");
 131
 132     for (i = 0; i < drv->sd_valid_spans; i++) {
 133         printf("  span%d ", i);
 134         print_span(&drv->sd_span[i], drv->sd_valid_arms);
 135     }
 136 }
 137
 138 /********************************************************************************
 139  * Print details for the physical drive at chn/targ in a format suitable for
 140  * human consumption.
 141  *
 142  * <type>CCTT (<state>) "<vendor>/<model>"
 143  *                       ????MB <features>
 144  *
 145  */
 146 static void
 147 print_phys_drive(struct conf_config *conf, int chn, int targ)
 148 {
 149     struct mlx_phys_drv         *drv = &conf->cc_cfg.cc_phys_drives[chn * 16 + targ];
 150
 151     /* if the drive isn't present, don't print it */
 152     if (!(drv->pd_flags1 & MLX_PHYS_DRV_PRESENT))
 153         return;
 154
 155     mlx_print_phys_drv(drv, chn, targ, "# ", 1);
 156 }
 157
 158