156 lines
3.8 KiB
C
156 lines
3.8 KiB
C
/*-
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* Copyright (C) 2012-2013 Intel Corporation
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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/stat.h>
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#include <ctype.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <stdbool.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 <sysexits.h>
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#include <unistd.h>
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#include "nvmecontrol.h"
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static void
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usage(void)
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{
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fprintf(stderr, "usage:\n");
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fprintf(stderr, DEVLIST_USAGE);
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fprintf(stderr, IDENTIFY_USAGE);
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fprintf(stderr, RESET_USAGE);
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fprintf(stderr, PERFTEST_USAGE);
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exit(EX_USAGE);
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}
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void
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read_controller_data(int fd, struct nvme_controller_data *cdata)
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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 = NVME_OPC_IDENTIFY;
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pt.cmd.cdw10 = 1;
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pt.buf = cdata;
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pt.len = sizeof(*cdata);
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pt.is_read = 1;
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if (ioctl(fd, NVME_PASSTHROUGH_CMD, &pt) < 0) {
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printf("Identify request failed. errno=%d (%s)\n",
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errno, strerror(errno));
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exit(EX_IOERR);
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}
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if (nvme_completion_is_error(&pt.cpl)) {
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printf("Passthrough command returned error.\n");
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exit(EX_IOERR);
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}
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}
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void
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read_namespace_data(int fd, int nsid, struct nvme_namespace_data *nsdata)
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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 = NVME_OPC_IDENTIFY;
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pt.cmd.nsid = nsid;
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pt.buf = nsdata;
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pt.len = sizeof(*nsdata);
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pt.is_read = 1;
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if (ioctl(fd, NVME_PASSTHROUGH_CMD, &pt) < 0) {
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printf("Identify request failed. errno=%d (%s)\n",
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errno, strerror(errno));
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exit(EX_IOERR);
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}
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if (nvme_completion_is_error(&pt.cpl)) {
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printf("Passthrough command returned error.\n");
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exit(EX_IOERR);
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}
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}
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int
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open_dev(const char *str, int *fd, int show_error, int exit_on_error)
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{
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struct stat devstat;
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char full_path[64];
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snprintf(full_path, sizeof(full_path), "/dev/%s", str);
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if (stat(full_path, &devstat) != 0) {
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if (show_error)
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fprintf(stderr, "error\n");
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if (exit_on_error)
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exit(EX_NOINPUT);
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else
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return (EX_NOINPUT);
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}
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*fd = open(full_path, O_RDWR);
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if (*fd < 0) {
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if (show_error)
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printf("Could not open %s. errno=%d (%s)\n", full_path,
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errno, strerror(errno));
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if (exit_on_error)
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exit(EX_NOPERM);
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else
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return (EX_NOPERM);
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}
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return (EX_OK);
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}
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int
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main(int argc, char *argv[])
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{
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if (argc < 2)
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usage();
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if (strcmp(argv[1], "devlist") == 0)
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devlist(argc-1, &argv[1]);
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else if (strcmp(argv[1], "identify") == 0)
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identify(argc-1, &argv[1]);
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else if (strcmp(argv[1], "perftest") == 0)
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perftest(argc-1, &argv[1]);
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else if (strcmp(argv[1], "reset") == 0)
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reset(argc-1, &argv[1]);
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usage();
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return (0);
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}
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