freebsd-dev/sbin/nvmecontrol/logpage.c
Warner Losh 0d095c23a0 Const poison the command interface
Make the pointers we pass into the commands const, also make the
linker set mirrors const.

Suggested by: cem@
Sponsored by: Netflix
Differential Revision: https://reviews.freebsd.org/D18459
2018-12-06 22:58:42 +00:00

468 lines
13 KiB
C

/*-
* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
*
* Copyright (c) 2013 EMC Corp.
* All rights reserved.
*
* Copyright (C) 2012-2013 Intel Corporation
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <sys/ioccom.h>
#include <ctype.h>
#include <err.h>
#include <fcntl.h>
#include <stdbool.h>
#include <stddef.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <sys/endian.h>
#include "nvmecontrol.h"
#define LOGPAGE_USAGE \
"logpage <-p page_id> [-b] [-v vendor] [-x] <controller id|namespace id>\n" \
#define MAX_FW_SLOTS (7)
SET_CONCAT_DEF(logpage, struct logpage_function);
const char *
kv_lookup(const struct kv_name *kv, size_t kv_count, uint32_t key)
{
static char bad[32];
size_t i;
for (i = 0; i < kv_count; i++, kv++)
if (kv->key == key)
return kv->name;
snprintf(bad, sizeof(bad), "Attribute %#x", key);
return bad;
}
static void
print_log_hex(const struct nvme_controller_data *cdata __unused, void *data, uint32_t length)
{
print_hex(data, length);
}
static void
print_bin(const struct nvme_controller_data *cdata __unused, void *data, uint32_t length)
{
write(STDOUT_FILENO, data, length);
}
static void *
get_log_buffer(uint32_t size)
{
void *buf;
if ((buf = malloc(size)) == NULL)
errx(1, "unable to malloc %u bytes", size);
memset(buf, 0, size);
return (buf);
}
void
read_logpage(int fd, uint8_t log_page, uint32_t nsid, void *payload,
uint32_t payload_size)
{
struct nvme_pt_command pt;
struct nvme_error_information_entry *err_entry;
int i, err_pages;
memset(&pt, 0, sizeof(pt));
pt.cmd.opc = NVME_OPC_GET_LOG_PAGE;
pt.cmd.nsid = htole32(nsid);
pt.cmd.cdw10 = ((payload_size/sizeof(uint32_t)) - 1) << 16;
pt.cmd.cdw10 |= log_page;
pt.cmd.cdw10 = htole32(pt.cmd.cdw10);
pt.buf = payload;
pt.len = payload_size;
pt.is_read = 1;
if (ioctl(fd, NVME_PASSTHROUGH_CMD, &pt) < 0)
err(1, "get log page request failed");
/* Convert data to host endian */
switch (log_page) {
case NVME_LOG_ERROR:
err_entry = (struct nvme_error_information_entry *)payload;
err_pages = payload_size / sizeof(struct nvme_error_information_entry);
for (i = 0; i < err_pages; i++)
nvme_error_information_entry_swapbytes(err_entry++);
break;
case NVME_LOG_HEALTH_INFORMATION:
nvme_health_information_page_swapbytes(
(struct nvme_health_information_page *)payload);
break;
case NVME_LOG_FIRMWARE_SLOT:
nvme_firmware_page_swapbytes(
(struct nvme_firmware_page *)payload);
break;
case INTEL_LOG_TEMP_STATS:
intel_log_temp_stats_swapbytes(
(struct intel_log_temp_stats *)payload);
break;
default:
break;
}
if (nvme_completion_is_error(&pt.cpl))
errx(1, "get log page request returned error");
}
static void
print_log_error(const struct nvme_controller_data *cdata __unused, void *buf, uint32_t size)
{
int i, nentries;
uint16_t status;
uint8_t p, sc, sct, m, dnr;
struct nvme_error_information_entry *entry = buf;
printf("Error Information Log\n");
printf("=====================\n");
if (entry->error_count == 0) {
printf("No error entries found\n");
return;
}
nentries = size/sizeof(struct nvme_error_information_entry);
for (i = 0; i < nentries; i++, entry++) {
if (entry->error_count == 0)
break;
status = entry->status;
p = NVME_STATUS_GET_P(status);
sc = NVME_STATUS_GET_SC(status);
sct = NVME_STATUS_GET_SCT(status);
m = NVME_STATUS_GET_M(status);
dnr = NVME_STATUS_GET_DNR(status);
printf("Entry %02d\n", i + 1);
printf("=========\n");
printf(" Error count: %ju\n", entry->error_count);
printf(" Submission queue ID: %u\n", entry->sqid);
printf(" Command ID: %u\n", entry->cid);
/* TODO: Export nvme_status_string structures from kernel? */
printf(" Status:\n");
printf(" Phase tag: %d\n", p);
printf(" Status code: %d\n", sc);
printf(" Status code type: %d\n", sct);
printf(" More: %d\n", m);
printf(" DNR: %d\n", dnr);
printf(" Error location: %u\n", entry->error_location);
printf(" LBA: %ju\n", entry->lba);
printf(" Namespace ID: %u\n", entry->nsid);
printf(" Vendor specific info: %u\n", entry->vendor_specific);
}
}
void
print_temp(uint16_t t)
{
printf("%u K, %2.2f C, %3.2f F\n", t, (float)t - 273.15, (float)t * 9 / 5 - 459.67);
}
static void
print_log_health(const struct nvme_controller_data *cdata __unused, void *buf, uint32_t size __unused)
{
struct nvme_health_information_page *health = buf;
char cbuf[UINT128_DIG + 1];
uint8_t warning;
int i;
warning = health->critical_warning;
printf("SMART/Health Information Log\n");
printf("============================\n");
printf("Critical Warning State: 0x%02x\n", warning);
printf(" Available spare: %d\n",
!!(warning & NVME_CRIT_WARN_ST_AVAILABLE_SPARE));
printf(" Temperature: %d\n",
!!(warning & NVME_CRIT_WARN_ST_TEMPERATURE));
printf(" Device reliability: %d\n",
!!(warning & NVME_CRIT_WARN_ST_DEVICE_RELIABILITY));
printf(" Read only: %d\n",
!!(warning & NVME_CRIT_WARN_ST_READ_ONLY));
printf(" Volatile memory backup: %d\n",
!!(warning & NVME_CRIT_WARN_ST_VOLATILE_MEMORY_BACKUP));
printf("Temperature: ");
print_temp(health->temperature);
printf("Available spare: %u\n",
health->available_spare);
printf("Available spare threshold: %u\n",
health->available_spare_threshold);
printf("Percentage used: %u\n",
health->percentage_used);
printf("Data units (512,000 byte) read: %s\n",
uint128_to_str(to128(health->data_units_read), cbuf, sizeof(cbuf)));
printf("Data units written: %s\n",
uint128_to_str(to128(health->data_units_written), cbuf, sizeof(cbuf)));
printf("Host read commands: %s\n",
uint128_to_str(to128(health->host_read_commands), cbuf, sizeof(cbuf)));
printf("Host write commands: %s\n",
uint128_to_str(to128(health->host_write_commands), cbuf, sizeof(cbuf)));
printf("Controller busy time (minutes): %s\n",
uint128_to_str(to128(health->controller_busy_time), cbuf, sizeof(cbuf)));
printf("Power cycles: %s\n",
uint128_to_str(to128(health->power_cycles), cbuf, sizeof(cbuf)));
printf("Power on hours: %s\n",
uint128_to_str(to128(health->power_on_hours), cbuf, sizeof(cbuf)));
printf("Unsafe shutdowns: %s\n",
uint128_to_str(to128(health->unsafe_shutdowns), cbuf, sizeof(cbuf)));
printf("Media errors: %s\n",
uint128_to_str(to128(health->media_errors), cbuf, sizeof(cbuf)));
printf("No. error info log entries: %s\n",
uint128_to_str(to128(health->num_error_info_log_entries), cbuf, sizeof(cbuf)));
printf("Warning Temp Composite Time: %d\n", health->warning_temp_time);
printf("Error Temp Composite Time: %d\n", health->error_temp_time);
for (i = 0; i < 8; i++) {
if (health->temp_sensor[i] == 0)
continue;
printf("Temperature Sensor %d: ", i + 1);
print_temp(health->temp_sensor[i]);
}
}
static void
print_log_firmware(const struct nvme_controller_data *cdata, void *buf, uint32_t size __unused)
{
int i, slots;
const char *status;
struct nvme_firmware_page *fw = buf;
uint8_t afi_slot;
uint16_t oacs_fw;
uint8_t fw_num_slots;
afi_slot = fw->afi >> NVME_FIRMWARE_PAGE_AFI_SLOT_SHIFT;
afi_slot &= NVME_FIRMWARE_PAGE_AFI_SLOT_MASK;
oacs_fw = (cdata->oacs >> NVME_CTRLR_DATA_OACS_FIRMWARE_SHIFT) &
NVME_CTRLR_DATA_OACS_FIRMWARE_MASK;
fw_num_slots = (cdata->frmw >> NVME_CTRLR_DATA_FRMW_NUM_SLOTS_SHIFT) &
NVME_CTRLR_DATA_FRMW_NUM_SLOTS_MASK;
printf("Firmware Slot Log\n");
printf("=================\n");
if (oacs_fw == 0)
slots = 1;
else
slots = MIN(fw_num_slots, MAX_FW_SLOTS);
for (i = 0; i < slots; i++) {
printf("Slot %d: ", i + 1);
if (afi_slot == i + 1)
status = " Active";
else
status = "Inactive";
if (fw->revision[i] == 0LLU)
printf("Empty\n");
else
if (isprint(*(char *)&fw->revision[i]))
printf("[%s] %.8s\n", status,
(char *)&fw->revision[i]);
else
printf("[%s] %016jx\n", status,
fw->revision[i]);
}
}
/*
* Table of log page printer / sizing.
*
* Make sure you keep all the pages of one vendor together so -v help
* lists all the vendors pages.
*/
NVME_LOGPAGE(error,
NVME_LOG_ERROR, NULL, "Drive Error Log",
print_log_error, 0);
NVME_LOGPAGE(health,
NVME_LOG_HEALTH_INFORMATION, NULL, "Health/SMART Data",
print_log_health, sizeof(struct nvme_health_information_page));
NVME_LOGPAGE(fw,
NVME_LOG_FIRMWARE_SLOT, NULL, "Firmware Information",
print_log_firmware, sizeof(struct nvme_firmware_page));
static void
logpage_help(void)
{
const struct logpage_function * const *f;
const char *v;
fprintf(stderr, "\n");
fprintf(stderr, "%-8s %-10s %s\n", "Page", "Vendor","Page Name");
fprintf(stderr, "-------- ---------- ----------\n");
for (f = logpage_begin(); f < logpage_limit(); f++) {
v = (*f)->vendor == NULL ? "-" : (*f)->vendor;
fprintf(stderr, "0x%02x %-10s %s\n", (*f)->log_page, v, (*f)->name);
}
exit(1);
}
static void
logpage(const struct nvme_function *nf, int argc, char *argv[])
{
int fd;
int log_page = 0, pageflag = false;
int binflag = false, hexflag = false, ns_specified;
int opt;
char *p;
char cname[64];
uint32_t nsid, size;
void *buf;
const char *vendor = NULL;
const struct logpage_function * const *f;
struct nvme_controller_data cdata;
print_fn_t print_fn;
uint8_t ns_smart;
while ((opt = getopt(argc, argv, "bp:xv:")) != -1) {
switch (opt) {
case 'b':
binflag = true;
break;
case 'p':
if (strcmp(optarg, "help") == 0)
logpage_help();
/* TODO: Add human-readable ASCII page IDs */
log_page = strtol(optarg, &p, 0);
if (p != NULL && *p != '\0') {
fprintf(stderr,
"\"%s\" not valid log page id.\n",
optarg);
usage(nf);
}
pageflag = true;
break;
case 'x':
hexflag = true;
break;
case 'v':
if (strcmp(optarg, "help") == 0)
logpage_help();
vendor = optarg;
break;
}
}
if (!pageflag) {
printf("Missing page_id (-p).\n");
usage(nf);
}
/* Check that a controller and/or namespace was specified. */
if (optind >= argc)
usage(nf);
if (strstr(argv[optind], NVME_NS_PREFIX) != NULL) {
ns_specified = true;
parse_ns_str(argv[optind], cname, &nsid);
open_dev(cname, &fd, 1, 1);
} else {
ns_specified = false;
nsid = NVME_GLOBAL_NAMESPACE_TAG;
open_dev(argv[optind], &fd, 1, 1);
}
read_controller_data(fd, &cdata);
ns_smart = (cdata.lpa >> NVME_CTRLR_DATA_LPA_NS_SMART_SHIFT) &
NVME_CTRLR_DATA_LPA_NS_SMART_MASK;
/*
* The log page attribtues indicate whether or not the controller
* supports the SMART/Health information log page on a per
* namespace basis.
*/
if (ns_specified) {
if (log_page != NVME_LOG_HEALTH_INFORMATION)
errx(1, "log page %d valid only at controller level",
log_page);
if (ns_smart == 0)
errx(1,
"controller does not support per namespace "
"smart/health information");
}
print_fn = print_log_hex;
size = DEFAULT_SIZE;
if (binflag)
print_fn = print_bin;
if (!binflag && !hexflag) {
/*
* See if there is a pretty print function for the specified log
* page. If one isn't found, we just revert to the default
* (print_hex). If there was a vendor specified by the user, and
* the page is vendor specific, don't match the print function
* unless the vendors match.
*/
for (f = logpage_begin(); f < logpage_limit(); f++) {
if ((*f)->vendor != NULL && vendor != NULL &&
strcmp((*f)->vendor, vendor) != 0)
continue;
if (log_page != (*f)->log_page)
continue;
print_fn = (*f)->print_fn;
size = (*f)->size;
break;
}
}
if (log_page == NVME_LOG_ERROR) {
size = sizeof(struct nvme_error_information_entry);
size *= (cdata.elpe + 1);
}
/* Read the log page */
buf = get_log_buffer(size);
read_logpage(fd, log_page, nsid, buf, size);
print_fn(&cdata, buf, size);
close(fd);
exit(0);
}
NVME_COMMAND(top, logpage, logpage, LOGPAGE_USAGE);