4914b39f09
This fixes several -Wold-style-definition warnings. X-MFC with: 313191 Reported by: amd64-gcc-6.3.0 (devel/amd64-xtoolchain-gcc) Sponsored by: Dell EMC Isilon
343 lines
8.8 KiB
C
343 lines
8.8 KiB
C
/*-
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* Copyright (c) 2017 Netflix, Inc
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/param.h>
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#include <sys/ioccom.h>
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#include <sys/endian.h>
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#include <ctype.h>
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#include <err.h>
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#include <fcntl.h>
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#include <stddef.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include "nvmecontrol.h"
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#define WDC_NVME_TOC_SIZE 8
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#define WDC_NVME_CAP_DIAG_OPCODE 0xe6
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#define WDC_NVME_CAP_DIAG_CMD 0x0000
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#define WDC_NVME_DIAG_OPCODE 0xc6
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#define WDC_NVME_DRIVE_LOG_SIZE_CMD 0x0120
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#define WDC_NVME_DRIVE_LOG_CMD 0x0020
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#define WDC_NVME_CRASH_DUMP_SIZE_CMD 0x0320
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#define WDC_NVME_CRASH_DUMP_CMD 0x0420
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#define WDC_NVME_PFAIL_DUMP_SIZE_CMD 0x0520
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#define WDC_NVME_PFAIL_DUMP_CMD 0x0620
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#define WDC_NVME_CLEAR_DUMP_OPCODE 0xff
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#define WDC_NVME_CLEAR_CRASH_DUMP_CMD 0x0503
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#define WDC_NVME_CLEAR_PFAIL_DUMP_CMD 0x0603
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static void wdc_cap_diag(int argc, char *argv[]);
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static void wdc_drive_log(int argc, char *argv[]);
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static void wdc_get_crash_dump(int argc, char *argv[]);
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static void wdc_purge(int argc, char *argv[]);
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static void wdc_purge_monitor(int argc, char *argv[]);
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#define WDC_CAP_DIAG_USAGE "\tnvmecontrol wdc cap-diag [-o path-template]\n"
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#define WDC_DRIVE_LOG_USAGE "\tnvmecontrol wdc drive-log [-o path-template]\n"
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#define WDC_GET_CRASH_DUMP_USAGE "\tnvmecontrol wdc get-crash-dump [-o path-template]\n"
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#define WDC_PURGE_USAGE "\tnvmecontrol wdc purge [-o path-template]\n"
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#define WDC_PURGE_MONITOR_USAGE "\tnvmecontrol wdc purge-monitor\n"
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static struct nvme_function wdc_funcs[] = {
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{"cap-diag", wdc_cap_diag, WDC_CAP_DIAG_USAGE},
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{"drive-log", wdc_drive_log, WDC_DRIVE_LOG_USAGE},
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{"get-crash-dump", wdc_get_crash_dump, WDC_GET_CRASH_DUMP_USAGE},
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{"purge", wdc_purge, WDC_PURGE_USAGE},
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{"purge_monitor", wdc_purge_monitor, WDC_PURGE_MONITOR_USAGE},
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{NULL, NULL, NULL},
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};
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static void
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wdc_append_serial_name(int fd, char *buf, size_t len, const char *suffix)
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{
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struct nvme_controller_data cdata;
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char sn[NVME_SERIAL_NUMBER_LENGTH + 1];
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char *walker;
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len -= strlen(buf);
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buf += strlen(buf);
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read_controller_data(fd, &cdata);
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memcpy(sn, cdata.sn, NVME_SERIAL_NUMBER_LENGTH);
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walker = sn + NVME_SERIAL_NUMBER_LENGTH - 1;
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while (walker > sn && *walker == ' ')
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walker--;
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*++walker = '\0';
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snprintf(buf, len, "%s%s.bin", sn, suffix);
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}
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static void
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wdc_get_data(int fd, uint32_t opcode, uint32_t len, uint32_t off, uint32_t cmd,
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uint8_t *buffer, size_t buflen)
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{
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struct nvme_pt_command pt;
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memset(&pt, 0, sizeof(pt));
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pt.cmd.opc = opcode;
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pt.cmd.cdw10 = len / sizeof(uint32_t); /* - 1 like all the others ??? */
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pt.cmd.cdw11 = off / sizeof(uint32_t);
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pt.cmd.cdw12 = cmd;
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pt.buf = buffer;
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pt.len = buflen;
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pt.is_read = 1;
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// printf("opcode %#x cdw10(len) %#x cdw11(offset?) %#x cdw12(cmd/sub) %#x buflen %zd\n",
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// (int)opcode, (int)cdw10, (int)cdw11, (int)cdw12, buflen);
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if (ioctl(fd, NVME_PASSTHROUGH_CMD, &pt) < 0)
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err(1, "wdc_get_data request failed");
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if (nvme_completion_is_error(&pt.cpl))
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errx(1, "wdc_get_data request returned error");
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}
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static void
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wdc_do_dump(int fd, char *tmpl, const char *suffix, uint32_t opcode,
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uint32_t size_cmd, uint32_t cmd, int len_off)
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{
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int fd2;
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uint8_t *buf;
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uint32_t len, offset;
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ssize_t resid;
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wdc_append_serial_name(fd, tmpl, MAXPATHLEN, suffix);
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buf = aligned_alloc(PAGE_SIZE, WDC_NVME_TOC_SIZE);
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if (buf == NULL)
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errx(1, "Can't get buffer to get size");
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wdc_get_data(fd, opcode, WDC_NVME_TOC_SIZE,
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0, size_cmd, buf, WDC_NVME_TOC_SIZE);
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len = be32dec(buf + len_off);
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if (len == 0)
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errx(1, "No data for %s", suffix);
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printf("Dumping %d bytes to %s\n", len, tmpl);
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/* XXX overwrite protection? */
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fd2 = open(tmpl, O_WRONLY | O_CREAT | O_TRUNC);
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if (fd2 < 0)
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err(1, "open %s", tmpl);
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offset = 0;
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buf = aligned_alloc(PAGE_SIZE, NVME_MAX_XFER_SIZE);
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if (buf == NULL)
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errx(1, "Can't get buffer to read dump");
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while (len > 0) {
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resid = len > NVME_MAX_XFER_SIZE ? NVME_MAX_XFER_SIZE : len;
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wdc_get_data(fd, opcode, resid, offset, cmd, buf, resid);
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if (write(fd2, buf, resid) != resid)
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err(1, "write");
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offset += resid;
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len -= resid;
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}
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free(buf);
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close(fd2);
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}
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static void
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wdc_do_clear_dump(int fd, uint32_t opcode, uint32_t cmd)
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{
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struct nvme_pt_command pt;
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memset(&pt, 0, sizeof(pt));
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pt.cmd.opc = opcode;
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pt.cmd.cdw12 = cmd;
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if (ioctl(fd, NVME_PASSTHROUGH_CMD, &pt) < 0)
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err(1, "wdc_do_clear_dump request failed");
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if (nvme_completion_is_error(&pt.cpl))
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errx(1, "wdc_do_clear_dump request returned error");
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}
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static void
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wdc_cap_diag_usage(void)
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{
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fprintf(stderr, "usage:\n");
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fprintf(stderr, WDC_CAP_DIAG_USAGE);
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exit(1);
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}
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static void
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wdc_cap_diag(int argc, char *argv[])
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{
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char path_tmpl[MAXPATHLEN];
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int ch, fd;
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path_tmpl[0] = '\0';
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while ((ch = getopt(argc, argv, "o:")) != -1) {
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switch ((char)ch) {
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case 'o':
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strlcpy(path_tmpl, optarg, MAXPATHLEN);
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break;
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default:
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wdc_cap_diag_usage();
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}
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}
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/* Check that a controller was specified. */
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if (optind >= argc)
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wdc_cap_diag_usage();
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open_dev(argv[optind], &fd, 1, 1);
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wdc_do_dump(fd, path_tmpl, "cap_diag", WDC_NVME_CAP_DIAG_OPCODE,
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WDC_NVME_CAP_DIAG_CMD, WDC_NVME_CAP_DIAG_CMD, 4);
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close(fd);
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exit(1);
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}
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static void
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wdc_drive_log_usage(void)
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{
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fprintf(stderr, "usage:\n");
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fprintf(stderr, WDC_DRIVE_LOG_USAGE);
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exit(1);
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}
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static void
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wdc_drive_log(int argc, char *argv[])
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{
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char path_tmpl[MAXPATHLEN];
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int ch, fd;
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path_tmpl[0] = '\0';
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while ((ch = getopt(argc, argv, "o:")) != -1) {
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switch ((char)ch) {
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case 'o':
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strlcpy(path_tmpl, optarg, MAXPATHLEN);
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break;
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default:
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wdc_drive_log_usage();
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}
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}
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/* Check that a controller was specified. */
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if (optind >= argc)
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wdc_drive_log_usage();
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open_dev(argv[optind], &fd, 1, 1);
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wdc_do_dump(fd, path_tmpl, "drive_log", WDC_NVME_DIAG_OPCODE,
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WDC_NVME_DRIVE_LOG_SIZE_CMD, WDC_NVME_DRIVE_LOG_CMD, 0);
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close(fd);
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exit(1);
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}
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static void
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wdc_get_crash_dump_usage(void)
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{
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fprintf(stderr, "usage:\n");
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fprintf(stderr, WDC_CAP_DIAG_USAGE);
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exit(1);
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}
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static void
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wdc_get_crash_dump(int argc, char *argv[])
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{
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char path_tmpl[MAXPATHLEN];
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int ch, fd;
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while ((ch = getopt(argc, argv, "o:")) != -1) {
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switch ((char)ch) {
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case 'o':
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strlcpy(path_tmpl, optarg, MAXPATHLEN);
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break;
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default:
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wdc_get_crash_dump_usage();
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}
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}
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/* Check that a controller was specified. */
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if (optind >= argc)
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wdc_get_crash_dump_usage();
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open_dev(argv[optind], &fd, 1, 1);
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wdc_do_dump(fd, path_tmpl, "crash_dump", WDC_NVME_DIAG_OPCODE,
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WDC_NVME_CRASH_DUMP_SIZE_CMD, WDC_NVME_CRASH_DUMP_CMD, 0);
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wdc_do_clear_dump(fd, WDC_NVME_CLEAR_DUMP_OPCODE,
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WDC_NVME_CLEAR_CRASH_DUMP_CMD);
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// wdc_led_beacon_disable(fd);
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wdc_do_dump(fd, path_tmpl, "pfail_dump", WDC_NVME_DIAG_OPCODE,
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WDC_NVME_PFAIL_DUMP_SIZE_CMD, WDC_NVME_PFAIL_DUMP_CMD, 0);
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wdc_do_clear_dump(fd, WDC_NVME_CLEAR_DUMP_OPCODE,
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WDC_NVME_CLEAR_PFAIL_DUMP_CMD);
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close(fd);
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exit(1);
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}
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static void
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wdc_purge(int argc, char *argv[])
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{
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char path_tmpl[MAXPATHLEN];
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int ch;
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while ((ch = getopt(argc, argv, "o:")) != -1) {
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switch ((char)ch) {
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case 'o':
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strlcpy(path_tmpl, optarg, MAXPATHLEN);
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break;
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default:
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wdc_cap_diag_usage();
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}
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}
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printf("purge has not been implemented.\n");
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exit(1);
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}
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static void
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wdc_purge_monitor(int argc, char *argv[])
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{
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char path_tmpl[MAXPATHLEN];
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int ch;
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while ((ch = getopt(argc, argv, "o:")) != -1) {
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switch ((char)ch) {
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case 'o':
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strlcpy(path_tmpl, optarg, MAXPATHLEN);
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break;
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default:
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wdc_cap_diag_usage();
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}
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}
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printf("purge has not been implemented.\n");
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exit(1);
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}
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void
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wdc(int argc, char *argv[])
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{
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dispatch(argc, argv, wdc_funcs);
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}
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