Author: imp
Date: Sat Feb 4 05:53:00 2017
New Revision: 313191
URL: https://svnweb.freebsd.org/changeset/base/313191
Log:
Implement 5 wdc-specific nvme control options for their HGST drives:
wdc cap-diag Capture diagnostic data from drive
wdc drive-log Capture drive history data from drive
wdc get-crash-dump Retrieve firmware crash dump from drive
Added:
head/sbin/nvmecontrol/wdc.c (contents, props changed)
Modified:
head/sbin/nvmecontrol/Makefile
head/sbin/nvmecontrol/nvmecontrol.8
head/sbin/nvmecontrol/nvmecontrol.c
head/sbin/nvmecontrol/nvmecontrol.h
Modified: head/sbin/nvmecontrol/Makefile
==============================================================================
--- head/sbin/nvmecontrol/Makefile Sat Feb 4 05:52:53 2017
(r313190)
+++ head/sbin/nvmecontrol/Makefile Sat Feb 4 05:53:00 2017
(r313191)
@@ -3,7 +3,7 @@
PACKAGE=runtime
PROG= nvmecontrol
SRCS= nvmecontrol.c devlist.c firmware.c identify.c logpage.c \
- perftest.c reset.c nvme_util.c power.c
+ perftest.c reset.c nvme_util.c power.c wdc.c
MAN= nvmecontrol.8
.PATH: ${.CURDIR}/../../sys/dev/nvme
Modified: head/sbin/nvmecontrol/nvmecontrol.8
==============================================================================
--- head/sbin/nvmecontrol/nvmecontrol.8 Sat Feb 4 05:52:53 2017
(r313190)
+++ head/sbin/nvmecontrol/nvmecontrol.8 Sat Feb 4 05:53:00 2017
(r313191)
@@ -75,6 +75,24 @@
.Op Fl l
.Op Fl p power_state
.Op fl w workload_hint
+.Nm
+.Ic wdc cap-diag
+.Op Fl o path_template
+.Aq device id
+.Nm
+.Ic wdc drive-log
+.Op Fl o path_template
+.Aq device id
+.Nm
+.Ic wdc get-crash-dump
+.Op Fl o path_template
+.Aq device id
+.\" .Nm
+.\" .Ic wdc purge
+.\" .Aq device id
+.\" .Nm
+.\" .Ic wdc purge-monitor
+.\" .Aq device id
.Sh DESCRIPTION
NVM Express (NVMe) is a storage protocol standard, for SSDs and other
high-speed storage devices over PCI Express.
Modified: head/sbin/nvmecontrol/nvmecontrol.c
==============================================================================
--- head/sbin/nvmecontrol/nvmecontrol.c Sat Feb 4 05:52:53 2017
(r313190)
+++ head/sbin/nvmecontrol/nvmecontrol.c Sat Feb 4 05:53:00 2017
(r313191)
@@ -54,6 +54,7 @@ static struct nvme_function funcs[] = {
{"logpage", logpage, LOGPAGE_USAGE},
{"firmware", firmware, FIRMWARE_USAGE},
{"power", power, POWER_USAGE},
+ {"wdc", wdc, WDC_USAGE},
{NULL, NULL, NULL},
};
Modified: head/sbin/nvmecontrol/nvmecontrol.h
==============================================================================
--- head/sbin/nvmecontrol/nvmecontrol.h Sat Feb 4 05:52:53 2017
(r313190)
+++ head/sbin/nvmecontrol/nvmecontrol.h Sat Feb 4 05:53:00 2017
(r313191)
@@ -66,6 +66,9 @@ struct nvme_function {
#define POWER_USAGE \
" nvmecontrol power [-l] [-p new-state [-w workload-hint]] <controller
id>\n"
+#define WDC_USAGE \
+" nvmecontrol wdc
(cap-diag|drive-log|get-crash-dump|purge|purge-montior)\n"
+
void devlist(int argc, char *argv[]);
void identify(int argc, char *argv[]);
void perftest(int argc, char *argv[]);
@@ -73,6 +76,7 @@ void reset(int argc, char *argv[]);
void logpage(int argc, char *argv[]);
void firmware(int argc, char *argv[]);
void power(int argc, char *argv[]);
+void wdc(int argc, char *argv[]);
int open_dev(const char *str, int *fd, int show_error, int exit_on_error);
void parse_ns_str(const char *ns_str, char *ctrlr_str, int *nsid);
Added: head/sbin/nvmecontrol/wdc.c
==============================================================================
--- /dev/null 00:00:00 1970 (empty, because file is newly added)
+++ head/sbin/nvmecontrol/wdc.c Sat Feb 4 05:53:00 2017 (r313191)
@@ -0,0 +1,341 @@
+/*-
+ * Copyright (c) 2017 Netflix, Inc
+ * 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 <sys/endian.h>
+
+#include <ctype.h>
+#include <err.h>
+#include <fcntl.h>
+#include <stddef.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#include "nvmecontrol.h"
+
+#define WDC_NVME_TOC_SIZE 8
+
+#define WDC_NVME_CAP_DIAG_OPCODE 0xe6
+#define WDC_NVME_CAP_DIAG_CMD 0x0000
+
+#define WDC_NVME_DIAG_OPCODE 0xc6
+#define WDC_NVME_DRIVE_LOG_SIZE_CMD 0x0120
+#define WDC_NVME_DRIVE_LOG_CMD 0x0020
+#define WDC_NVME_CRASH_DUMP_SIZE_CMD 0x0320
+#define WDC_NVME_CRASH_DUMP_CMD 0x0420
+#define WDC_NVME_PFAIL_DUMP_SIZE_CMD 0x0520
+#define WDC_NVME_PFAIL_DUMP_CMD 0x0620
+
+#define WDC_NVME_CLEAR_DUMP_OPCODE 0xff
+#define WDC_NVME_CLEAR_CRASH_DUMP_CMD 0x0503
+#define WDC_NVME_CLEAR_PFAIL_DUMP_CMD 0x0603
+
+static void wdc_cap_diag(int argc, char *argv[]);
+static void wdc_drive_log(int argc, char *argv[]);
+static void wdc_get_crash_dump(int argc, char *argv[]);
+static void wdc_purge(int argc, char *argv[]);
+static void wdc_purge_monitor(int argc, char *argv[]);
+
+#define WDC_CAP_DIAG_USAGE "\tnvmecontrol wdc cap-diag [-o
path-template]\n"
+#define WDC_DRIVE_LOG_USAGE "\tnvmecontrol wdc drive-log [-o
path-template]\n"
+#define WDC_GET_CRASH_DUMP_USAGE "\tnvmecontrol wdc get-crash-dump [-o
path-template]\n"
+#define WDC_PURGE_USAGE "\tnvmecontrol wdc purge [-o
path-template]\n"
+#define WDC_PURGE_MONITOR_USAGE "\tnvmecontrol wdc purge-montor\n"
+
+static struct nvme_function wdc_funcs[] = {
+ {"cap-diag", wdc_cap_diag, WDC_CAP_DIAG_USAGE},
+ {"drive-log", wdc_drive_log, WDC_DRIVE_LOG_USAGE},
+ {"get-crash-dump", wdc_get_crash_dump,
WDC_GET_CRASH_DUMP_USAGE},
+ {"purge", wdc_purge, WDC_PURGE_USAGE},
+ {"purge_monitor", wdc_purge_monitor,
WDC_PURGE_MONITOR_USAGE},
+ {NULL, NULL, NULL},
+};
+
+static void
+wdc_append_serial_name(int fd, char *buf, size_t len, const char *suffix)
+{
+ struct nvme_controller_data cdata;
+ char sn[NVME_SERIAL_NUMBER_LENGTH + 1];
+ char *walker;
+
+ len -= strlen(buf);
+ buf += strlen(buf);
+ read_controller_data(fd, &cdata);
+ memcpy(sn, cdata.sn, NVME_SERIAL_NUMBER_LENGTH);
+ walker = sn + NVME_SERIAL_NUMBER_LENGTH - 1;
+ while (walker > sn && *walker == ' ')
+ walker--;
+ *walker = '\0';
+ snprintf(buf, len, "%s%s.bin", sn, suffix);
+}
+
+static void
+wdc_get_data(int fd, uint32_t opcode, uint32_t len, uint32_t off, uint32_t cmd,
+ uint8_t *buffer, size_t buflen)
+{
+ struct nvme_pt_command pt;
+
+ memset(&pt, 0, sizeof(pt));
+ pt.cmd.opc = opcode;
+ pt.cmd.cdw10 = len / sizeof(uint32_t); /* - 1 like all the others ???
*/
+ pt.cmd.cdw11 = off / sizeof(uint32_t);
+ pt.cmd.cdw12 = cmd;
+ pt.buf = buffer;
+ pt.len = buflen;
+ pt.is_read = 1;
+// printf("opcode %#x cdw10(len) %#x cdw11(offset?) %#x cdw12(cmd/sub) %#x
buflen %zd\n",
+// (int)opcode, (int)cdw10, (int)cdw11, (int)cdw12, buflen);
+
+ if (ioctl(fd, NVME_PASSTHROUGH_CMD, &pt) < 0)
+ err(1, "wdc_get_data request failed");
+ if (nvme_completion_is_error(&pt.cpl))
+ errx(1, "wdc_get_data request returned error");
+}
+
+static void
+wdc_do_dump(int fd, char *tmpl, const char *suffix, uint32_t opcode,
+ uint32_t size_cmd, uint32_t cmd, int len_off)
+{
+ int fd2;
+ uint8_t *buf;
+ uint32_t len, resid, offset;
+
+ wdc_append_serial_name(fd, tmpl, MAXPATHLEN, suffix);
+
+ buf = aligned_alloc(PAGE_SIZE, WDC_NVME_TOC_SIZE);
+ if (buf == NULL)
+ errx(1, "Can't get buffer to get size");
+ wdc_get_data(fd, opcode, WDC_NVME_TOC_SIZE,
+ 0, size_cmd, buf, WDC_NVME_TOC_SIZE);
+ len = be32dec(buf + len_off);
+
+ if (len == 0)
+ errx(1, "No data for %s", suffix);
+
+ printf("Dumping %d bytes to %s\n", len, tmpl);
+ /* XXX overwrite protection? */
+ fd2 = open(tmpl, O_WRONLY | O_CREAT | O_TRUNC);
+ if (fd2 < 0)
+ err(1, "open %s", tmpl);
+ offset = 0;
+ buf = aligned_alloc(PAGE_SIZE, NVME_MAX_XFER_SIZE);
+ if (buf == NULL)
+ errx(1, "Can't get buffer to read dump");
+ while (len > 0) {
+ resid = len > NVME_MAX_XFER_SIZE ? NVME_MAX_XFER_SIZE : len;
+ wdc_get_data(fd, opcode, resid, offset, cmd, buf, resid);
+ if (write(fd2, buf, resid) != resid)
+ err(1, "write");
+ offset += resid;
+ len -= resid;
+ }
+ free(buf);
+ close(fd2);
+}
+
+static void
+wdc_do_clear_dump(int fd, uint32_t opcode, uint32_t cmd)
+{
+ struct nvme_pt_command pt;
+
+ memset(&pt, 0, sizeof(pt));
+ pt.cmd.opc = opcode;
+ pt.cmd.cdw12 = cmd;
+ if (ioctl(fd, NVME_PASSTHROUGH_CMD, &pt) < 0)
+ err(1, "wdc_do_clear_dump request failed");
+ if (nvme_completion_is_error(&pt.cpl))
+ errx(1, "wdc_do_clear_dump request returned error");
+}
+
+static void
+wdc_cap_diag_usage()
+{
+ fprintf(stderr, "usage:\n");
+ fprintf(stderr, WDC_CAP_DIAG_USAGE);
+ exit(1);
+}
+
+static void
+wdc_cap_diag(int argc, char *argv[])
+{
+ char path_tmpl[MAXPATHLEN];
+ int ch, fd;
+
+ path_tmpl[0] = '\0';
+ while ((ch = getopt(argc, argv, "o:")) != -1) {
+ switch ((char)ch) {
+ case 'o':
+ strlcpy(path_tmpl, optarg, MAXPATHLEN);
+ break;
+ default:
+ wdc_cap_diag_usage();
+ }
+ }
+ /* Check that a controller was specified. */
+ if (optind >= argc)
+ wdc_cap_diag_usage();
+ open_dev(argv[optind], &fd, 1, 1);
+
+ wdc_do_dump(fd, path_tmpl, "cap_diag", WDC_NVME_CAP_DIAG_OPCODE,
+ WDC_NVME_CAP_DIAG_CMD, WDC_NVME_CAP_DIAG_CMD, 4);
+
+ close(fd);
+
+ exit(1);
+}
+
+static void
+wdc_drive_log_usage()
+{
+ fprintf(stderr, "usage:\n");
+ fprintf(stderr, WDC_DRIVE_LOG_USAGE);
+ exit(1);
+}
+
+static void
+wdc_drive_log(int argc, char *argv[])
+{
+ char path_tmpl[MAXPATHLEN];
+ int ch, fd;
+
+ path_tmpl[0] = '\0';
+ while ((ch = getopt(argc, argv, "o:")) != -1) {
+ switch ((char)ch) {
+ case 'o':
+ strlcpy(path_tmpl, optarg, MAXPATHLEN);
+ break;
+ default:
+ wdc_drive_log_usage();
+ }
+ }
+ /* Check that a controller was specified. */
+ if (optind >= argc)
+ wdc_drive_log_usage();
+ open_dev(argv[optind], &fd, 1, 1);
+
+ wdc_do_dump(fd, path_tmpl, "drive_log", WDC_NVME_DIAG_OPCODE,
+ WDC_NVME_DRIVE_LOG_SIZE_CMD, WDC_NVME_DRIVE_LOG_CMD, 0);
+
+ close(fd);
+
+ exit(1);
+}
+
+static void
+wdc_get_crash_dump_usage()
+{
+ fprintf(stderr, "usage:\n");
+ fprintf(stderr, WDC_CAP_DIAG_USAGE);
+ exit(1);
+}
+
+static void
+wdc_get_crash_dump(int argc, char *argv[])
+{
+ char path_tmpl[MAXPATHLEN];
+ int ch, fd;
+
+ while ((ch = getopt(argc, argv, "o:")) != -1) {
+ switch ((char)ch) {
+ case 'o':
+ strlcpy(path_tmpl, optarg, MAXPATHLEN);
+ break;
+ default:
+ wdc_get_crash_dump_usage();
+ }
+ }
+ /* Check that a controller was specified. */
+ if (optind >= argc)
+ wdc_get_crash_dump_usage();
+ open_dev(argv[optind], &fd, 1, 1);
+
+ wdc_do_dump(fd, path_tmpl, "crash_dump", WDC_NVME_DIAG_OPCODE,
+ WDC_NVME_CRASH_DUMP_SIZE_CMD, WDC_NVME_CRASH_DUMP_CMD, 0);
+ wdc_do_clear_dump(fd, WDC_NVME_CLEAR_DUMP_OPCODE,
+ WDC_NVME_CLEAR_CRASH_DUMP_CMD);
+// wdc_led_beacon_disable(fd);
+ wdc_do_dump(fd, path_tmpl, "pfail_dump", WDC_NVME_DIAG_OPCODE,
+ WDC_NVME_PFAIL_DUMP_SIZE_CMD, WDC_NVME_PFAIL_DUMP_CMD, 0);
+ wdc_do_clear_dump(fd, WDC_NVME_CLEAR_DUMP_OPCODE,
+ WDC_NVME_CLEAR_PFAIL_DUMP_CMD);
+
+ close(fd);
+
+ exit(1);
+}
+
+static void
+wdc_purge(int argc, char *argv[])
+{
+ char path_tmpl[MAXPATHLEN];
+ int ch;
+
+ while ((ch = getopt(argc, argv, "o:")) != -1) {
+ switch ((char)ch) {
+ case 'o':
+ strlcpy(path_tmpl, optarg, MAXPATHLEN);
+ break;
+ default:
+ wdc_cap_diag_usage();
+ }
+ }
+
+ printf("purge has not been implemented.\n");
+ exit(1);
+}
+
+static void
+wdc_purge_monitor(int argc, char *argv[])
+{
+ char path_tmpl[MAXPATHLEN];
+ int ch;
+
+ while ((ch = getopt(argc, argv, "o:")) != -1) {
+ switch ((char)ch) {
+ case 'o':
+ strlcpy(path_tmpl, optarg, MAXPATHLEN);
+ break;
+ default:
+ wdc_cap_diag_usage();
+ }
+ }
+
+ printf("purge has not been implemented.\n");
+ exit(1);
+}
+
+void
+wdc(int argc, char *argv[])
+{
+
+ dispatch(argc, argv, wdc_funcs);
+}
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