xref: /freebsd/usr.sbin/mlxcontrol/config.c (revision cfd6422a5217410fbd66f7a7a8a64d9d85e61229)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3  *
4  * Copyright (c) 1999 Michael Smith
5  * All rights reserved.
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  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26  * SUCH DAMAGE.
27  *
28  *	$FreeBSD$
29  */
30 
31 #include <fcntl.h>
32 #include <paths.h>
33 #include <stdio.h>
34 #include <stdlib.h>
35 #include <string.h>
36 #include <unistd.h>
37 #include <err.h>
38 
39 #include <dev/mlx/mlxio.h>
40 #include <dev/mlx/mlxreg.h>
41 
42 #include "mlxcontrol.h"
43 
44 static void	print_span(struct mlx_sys_drv_span *span, int arms);
45 static void	print_sys_drive(struct conf_config *conf, int drvno);
46 static void	print_phys_drive(struct conf_config *conf, int chn, int targ);
47 
48 /********************************************************************************
49  * Get the configuration from the selected controller.
50  *
51  * config <controller>
52  *		Print the configuration for <controller>
53  *
54  * XXX update to support adding/deleting drives.
55  */
56 
57 int
58 cmd_config(int argc, char *argv[])
59 {
60     struct conf_config	conf;
61     int			unit = 0;	/* XXX */
62     int			i, j;
63 
64     bzero(&conf.cc_cfg, sizeof(conf.cc_cfg));
65     if (mlx_read_configuration(unit, &conf.cc_cfg)) {
66 	printf("mlx%d: error submitting READ CONFIGURATION\n", unit);
67     } else {
68 
69 	printf("# Controller <INSERT DETAILS HERE>\n");
70 	printf("#\n# Physical devices connected:\n");
71 	for (i = 0; i < 5; i++)
72 	    for (j = 0; j < 16; j++)
73 	    print_phys_drive(&conf, i, j);
74 	printf("#\n# System Drives defined:\n");
75 
76 	for (i = 0; i < conf.cc_cfg.cc_num_sys_drives; i++)
77 	    print_sys_drive(&conf, i);
78     }
79     return(0);
80 }
81 
82 
83 /********************************************************************************
84  * Print details for the system drive (drvno) in a format that we will be
85  * able to parse later.
86  *
87  * drive?? <raidlevel> <writemode>
88  *   span? 0x????????-0x???????? ????MB on <disk> [...]
89  *   ...
90  */
91 static void
92 print_span(struct mlx_sys_drv_span *span, int arms)
93 {
94     int		i;
95 
96     printf("0x%08x-0x%08x %uMB on", span->sp_start_lba, span->sp_start_lba + span->sp_nblks, span->sp_nblks / 2048);
97     for (i = 0; i < arms; i++)
98 	printf(" disk%02d%02d", span->sp_arm[i] >> 4, span->sp_arm[i] & 0x0f);
99     printf("\n");
100 }
101 
102 static void
103 print_sys_drive(struct conf_config *conf, int drvno)
104 {
105     struct mlx_sys_drv	*drv = &conf->cc_cfg.cc_sys_drives[drvno];
106     int			i;
107 
108     printf("drive%02d ", drvno);
109     switch(drv->sd_raidlevel & 0xf) {
110     case MLX_SYS_DRV_RAID0:
111 	printf("RAID0");
112 	break;
113     case MLX_SYS_DRV_RAID1:
114 	printf("RAID1");
115 	break;
116     case MLX_SYS_DRV_RAID3:
117 	printf("RAID3");
118 	break;
119     case MLX_SYS_DRV_RAID5:
120 	printf("RAID5");
121 	break;
122     case MLX_SYS_DRV_RAID6:
123 	printf("RAID6");
124 	break;
125     case MLX_SYS_DRV_JBOD:
126 	printf("JBOD");
127 	break;
128     default:
129 	printf("RAID?");
130     }
131     printf(" write%s\n", drv->sd_raidlevel & MLX_SYS_DRV_WRITEBACK ? "back" : "through");
132 
133     for (i = 0; i < drv->sd_valid_spans; i++) {
134 	printf("  span%d ", i);
135 	print_span(&drv->sd_span[i], drv->sd_valid_arms);
136     }
137 }
138 
139 /********************************************************************************
140  * Print details for the physical drive at chn/targ in a format suitable for
141  * human consumption.
142  *
143  * <type>CCTT (<state>) "<vendor>/<model>"
144  *                       ????MB <features>
145  *
146  */
147 static void
148 print_phys_drive(struct conf_config *conf, int chn, int targ)
149 {
150     struct mlx_phys_drv		*drv = &conf->cc_cfg.cc_phys_drives[chn * 16 + targ];
151 
152     /* if the drive isn't present, don't print it */
153     if (!(drv->pd_flags1 & MLX_PHYS_DRV_PRESENT))
154 	return;
155 
156     mlx_print_phys_drv(drv, chn, targ, "# ", 1);
157 }
158 
159 
160