sbin/nvmecontrol/logpage.c

   1 /*-
   2  * Copyright (c) 2013 EMC Corp.
   3  * All rights reserved.
   4  *
   5  * Copyright (C) 2012-2013 Intel Corporation
   6  * All rights reserved.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted provided that the following conditions
  10  * are met:
  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 the
  15  *    documentation and/or other materials provided with the distribution.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  27  * SUCH DAMAGE.
  28  */
  29
  30 #include <sys/cdefs.h>
  31 __FBSDID("$FreeBSD$");
  32
  33 #include <sys/param.h>
  34 #include <sys/ioccom.h>
  35
  36 #include <ctype.h>
  37 #include <err.h>
  38 #include <fcntl.h>
  39 #include <stdbool.h>
  40 #include <stddef.h>
  41 #include <stdio.h>
  42 #include <stdlib.h>
  43 #include <string.h>
  44 #include <unistd.h>
  45
  46 #include "nvmecontrol.h"
  47
  48 #define DEFAULT_SIZE    (4096)
  49 #define MAX_FW_SLOTS    (7)
  50
  51 typedef void (*print_fn_t)(void *buf, uint32_t size);
  52
  53 static void *
  54 get_log_buffer(uint32_t size)
  55 {
  56         void    *buf;
  57
  58         if ((buf = malloc(size)) == NULL)
  59                 errx(1, "unable to malloc %u bytes", size);
  60
  61         memset(buf, 0, size);
  62         return (buf);
  63 }
  64
  65 void
  66 read_logpage(int fd, uint8_t log_page, int nsid, void *payload,
  67     uint32_t payload_size)
  68 {
  69         struct nvme_pt_command  pt;
  70
  71         memset(&pt, 0, sizeof(pt));
  72         pt.cmd.opc = NVME_OPC_GET_LOG_PAGE;
  73         pt.cmd.nsid = nsid;
  74         pt.cmd.cdw10 = ((payload_size/sizeof(uint32_t)) - 1) << 16;
  75         pt.cmd.cdw10 |= log_page;
  76         pt.buf = payload;
  77         pt.len = payload_size;
  78         pt.is_read = 1;
  79
  80         if (ioctl(fd, NVME_PASSTHROUGH_CMD, &pt) < 0)
  81                 err(1, "get log page request failed");
  82
  83         if (nvme_completion_is_error(&pt.cpl))
  84                 errx(1, "get log page request returned error");
  85 }
  86
  87 static void
  88 print_log_error(void *buf, uint32_t size)
  89 {
  90         int                                     i, nentries;
  91         struct nvme_error_information_entry     *entry = buf;
  92         struct nvme_status                      *status;
  93
  94         printf("Error Information Log\n");
  95         printf("=====================\n");
  96
  97         if (entry->error_count == 0) {
  98                 printf("No error entries found\n");
  99                 return;
 100         }
 101
 102         nentries = size/sizeof(struct nvme_error_information_entry);
 103         for (i = 0; i < nentries; i++, entry++) {
 104                 if (entry->error_count == 0)
 105                         break;
 106
 107                 status = &entry->status;
 108                 printf("Entry %02d\n", i + 1);
 109                 printf("=========\n");
 110                 printf(" Error count:          %ju\n", entry->error_count);
 111                 printf(" Submission queue ID:  %u\n", entry->sqid);
 112                 printf(" Command ID:           %u\n", entry->cid);
 113                 /* TODO: Export nvme_status_string structures from kernel? */
 114                 printf(" Status:\n");
 115                 printf("  Phase tag:           %d\n", status->p);
 116                 printf("  Status code:         %d\n", status->sc);
 117                 printf("  Status code type:    %d\n", status->sct);
 118                 printf("  More:                %d\n", status->m);
 119                 printf("  DNR:                 %d\n", status->dnr);
 120                 printf(" Error location:       %u\n", entry->error_location);
 121                 printf(" LBA:                  %ju\n", entry->lba);
 122                 printf(" Namespace ID:         %u\n", entry->nsid);
 123                 printf(" Vendor specific info: %u\n", entry->vendor_specific);
 124         }
 125 }
 126
 127 static void
 128 print_log_health(void *buf, uint32_t size __unused)
 129 {
 130         struct nvme_health_information_page *health = buf;
 131
 132         printf("SMART/Health Information Log\n");
 133         printf("============================\n");
 134
 135         printf("Critical Warning State:         0x%02x\n",
 136             health->critical_warning.raw);
 137         printf(" Available spare:               %d\n",
 138             health->critical_warning.bits.available_spare);
 139         printf(" Temperature:                   %d\n",
 140             health->critical_warning.bits.temperature);
 141         printf(" Device reliability:            %d\n",
 142             health->critical_warning.bits.device_reliability);
 143         printf(" Read only:                     %d\n",
 144             health->critical_warning.bits.read_only);
 145         printf(" Volatile memory backup:        %d\n",
 146             health->critical_warning.bits.volatile_memory_backup);
 147         printf("Temperature:                    %u K, %2.2f C, %3.2f F\n",
 148             health->temperature,
 149             (float)health->temperature - (float)273.15,
 150             ((float)health->temperature * (float)9/5) - (float)459.67);
 151         printf("Available spare:                %u\n",
 152             health->available_spare);
 153         printf("Available spare threshold:      %u\n",
 154             health->available_spare_threshold);
 155         printf("Percentage used:                %u\n",
 156             health->percentage_used);
 157
 158         /*
 159          * TODO: These are pretty ugly in hex. Is there a library that
 160          *       will convert 128-bit unsigned values to decimal?
 161          */
 162         printf("Data units (512 byte) read:     0x%016jx%016jx\n",
 163             health->data_units_read[1],
 164             health->data_units_read[0]);
 165         printf("Data units (512 byte) written:  0x%016jx%016jx\n",
 166             health->data_units_written[1],
 167             health->data_units_written[0]);
 168         printf("Host read commands:             0x%016jx%016jx\n",
 169             health->host_read_commands[1],
 170             health->host_read_commands[0]);
 171         printf("Host write commands:            0x%016jx%016jx\n",
 172             health->host_write_commands[1],
 173             health->host_write_commands[0]);
 174         printf("Controller busy time (minutes): 0x%016jx%016jx\n",
 175             health->controller_busy_time[1],
 176             health->controller_busy_time[0]);
 177         printf("Power cycles:                   0x%016jx%016jx\n",
 178             health->power_cycles[1],
 179             health->power_cycles[0]);
 180         printf("Power on hours:                 0x%016jx%016jx\n",
 181             health->power_on_hours[1],
 182             health->power_on_hours[0]);
 183         printf("Unsafe shutdowns:               0x%016jx%016jx\n",
 184             health->unsafe_shutdowns[1],
 185             health->unsafe_shutdowns[0]);
 186         printf("Media errors:                   0x%016jx%016jx\n",
 187             health->media_errors[1],
 188             health->media_errors[0]);
 189         printf("No. error info log entries:     0x%016jx%016jx\n",
 190             health->num_error_info_log_entries[1],
 191             health->num_error_info_log_entries[0]);
 192 }
 193
 194 static void
 195 print_log_firmware(void *buf, uint32_t size __unused)
 196 {
 197         int                             i;
 198         const char                      *status;
 199         struct nvme_firmware_page       *fw = buf;
 200
 201         printf("Firmware Slot Log\n");
 202         printf("=================\n");
 203
 204         for (i = 0; i < MAX_FW_SLOTS; i++) {
 205                 printf("Slot %d: ", i + 1);
 206                 if (fw->afi.slot == i + 1)
 207                         status = "  Active";
 208                 else
 209                         status = "Inactive";
 210
 211                 if (fw->revision[i] == 0LLU)
 212                         printf("Empty\n");
 213                 else
 214                         if (isprint(*(char *)&fw->revision[i]))
 215                                 printf("[%s] %.8s\n", status,
 216                                     (char *)&fw->revision[i]);
 217                         else
 218                                 printf("[%s] %016jx\n", status,
 219                                     fw->revision[i]);
 220         }
 221 }
 222
 223 static struct logpage_function {
 224         uint8_t         log_page;
 225         print_fn_t      fn;
 226 } logfuncs[] = {
 227         {NVME_LOG_ERROR,                print_log_error         },
 228         {NVME_LOG_HEALTH_INFORMATION,   print_log_health        },
 229         {NVME_LOG_FIRMWARE_SLOT,        print_log_firmware      },
 230         {0,                             NULL                    },
 231 };
 232
 233 static void
 234 logpage_usage(void)
 235 {
 236         fprintf(stderr, "usage:\n");
 237         fprintf(stderr, LOGPAGE_USAGE);
 238         exit(1);
 239 }
 240
 241 void
 242 logpage(int argc, char *argv[])
 243 {
 244         int                             fd, nsid;
 245         int                             log_page = 0, pageflag = false;
 246         int                             hexflag = false, ns_specified;
 247         char                            ch, *p;
 248         char                            cname[64];
 249         uint32_t                        size;
 250         void                            *buf;
 251         struct logpage_function         *f;
 252         struct nvme_controller_data     cdata;
 253         print_fn_t                      print_fn;
 254
 255         while ((ch = getopt(argc, argv, "p:x")) != -1) {
 256                 switch (ch) {
 257                 case 'p':
 258                         /* TODO: Add human-readable ASCII page IDs */
 259                         log_page = strtol(optarg, &p, 0);
 260                         if (p != NULL && *p != '\0') {
 261                                 fprintf(stderr,
 262                                     "\"%s\" not valid log page id.\n",
 263                                     optarg);
 264                                 logpage_usage();
 265                         /* TODO: Define valid log page id ranges in nvme.h? */
 266                         } else if (log_page == 0 ||
 267                                    (log_page >= 0x04 && log_page <= 0x7F) ||
 268                                    (log_page >= 0x80 && log_page <= 0xBF)) {
 269                                 fprintf(stderr,
 270                                     "\"%s\" not valid log page id.\n",
 271                                     optarg);
 272                                 logpage_usage();
 273                         }
 274                         pageflag = true;
 275                         break;
 276                 case 'x':
 277                         hexflag = true;
 278                         break;
 279                 }
 280         }
 281
 282         if (!pageflag) {
 283                 printf("Missing page_id (-p).\n");
 284                 logpage_usage();
 285         }
 286
 287         /* Check that a controller and/or namespace was specified. */
 288         if (optind >= argc)
 289                 logpage_usage();
 290
 291         if (strstr(argv[optind], NVME_NS_PREFIX) != NULL) {
 292                 ns_specified = true;
 293                 parse_ns_str(argv[optind], cname, &nsid);
 294                 open_dev(cname, &fd, 1, 1);
 295         } else {
 296                 ns_specified = false;
 297                 nsid = NVME_GLOBAL_NAMESPACE_TAG;
 298                 open_dev(argv[optind], &fd, 1, 1);
 299         }
 300
 301         read_controller_data(fd, &cdata);
 302
 303         /*
 304          * The log page attribtues indicate whether or not the controller
 305          * supports the SMART/Health information log page on a per
 306          * namespace basis.
 307          */
 308         if (ns_specified) {
 309                 if (log_page != NVME_LOG_HEALTH_INFORMATION)
 310                         errx(1, "log page %d valid only at controller level",
 311                             log_page);
 312                 if (cdata.lpa.ns_smart == 0)
 313                         errx(1,
 314                             "controller does not support per namespace "
 315                             "smart/health information");
 316         }
 317
 318         print_fn = print_hex;
 319         if (!hexflag) {
 320                 /*
 321                  * See if there is a pretty print function for the
 322                  *  specified log page.  If one isn't found, we
 323                  *  just revert to the default (print_hex).
 324                  */
 325                 f = logfuncs;
 326                 while (f->log_page > 0) {
 327                         if (log_page == f->log_page) {
 328                                 print_fn = f->fn;
 329                                 break;
 330                         }
 331                         f++;
 332                 }
 333         }
 334
 335         /* Read the log page */
 336         switch (log_page) {
 337         case NVME_LOG_ERROR:
 338                 size = sizeof(struct nvme_error_information_entry);
 339                 size *= (cdata.elpe + 1);
 340                 break;
 341         case NVME_LOG_HEALTH_INFORMATION:
 342                 size = sizeof(struct nvme_health_information_page);
 343                 break;
 344         case NVME_LOG_FIRMWARE_SLOT:
 345                 size = sizeof(struct nvme_firmware_page);
 346                 break;
 347         default:
 348                 size = DEFAULT_SIZE;
 349                 break;
 350         }
 351
 352         buf = get_log_buffer(size);
 353         read_logpage(fd, log_page, nsid, buf, size);
 354         print_fn(buf, size);
 355
 356         close(fd);
 357         exit(0);
 358 }