diff options
Diffstat (limited to 'freebsd/sbin/nvmecontrol/devlist.c')
-rw-r--r-- | freebsd/sbin/nvmecontrol/devlist.c | 131 |
1 files changed, 131 insertions, 0 deletions
diff --git a/freebsd/sbin/nvmecontrol/devlist.c b/freebsd/sbin/nvmecontrol/devlist.c new file mode 100644 index 00000000..58e1153b --- /dev/null +++ b/freebsd/sbin/nvmecontrol/devlist.c @@ -0,0 +1,131 @@ +#include <machine/rtems-bsd-user-space.h> + +/*- + * SPDX-License-Identifier: BSD-2-Clause-FreeBSD + * + * 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 <err.h> +#include <errno.h> +#include <fcntl.h> +#include <paths.h> +#include <stddef.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> + +#include "nvmecontrol.h" +#include "comnd.h" + +/* Tables for command line parsing */ + +#define NVME_MAX_UNIT 256 + +static cmd_fn_t devlist; + +static struct cmd devlist_cmd = { + .name = "devlist", + .fn = devlist, + .descr = "List NVMe controllers and namespaces" +}; + +CMD_COMMAND(devlist_cmd); + +/* End of tables for command line parsing */ + +static inline uint32_t +ns_get_sector_size(struct nvme_namespace_data *nsdata) +{ + uint8_t flbas_fmt, lbads; + + flbas_fmt = (nsdata->flbas >> NVME_NS_DATA_FLBAS_FORMAT_SHIFT) & + NVME_NS_DATA_FLBAS_FORMAT_MASK; + lbads = (nsdata->lbaf[flbas_fmt] >> NVME_NS_DATA_LBAF_LBADS_SHIFT) & + NVME_NS_DATA_LBAF_LBADS_MASK; + + return (1 << lbads); +} + +static void +devlist(const struct cmd *f, int argc, char *argv[]) +{ + struct nvme_controller_data cdata; + struct nvme_namespace_data nsdata; + char name[64]; + uint8_t mn[64]; + uint32_t i; + int ctrlr, fd, found, ret; + + if (arg_parse(argc, argv, f)) + return; + + ctrlr = -1; + found = 0; + + while (ctrlr < NVME_MAX_UNIT) { + ctrlr++; + sprintf(name, "%s%d", NVME_CTRLR_PREFIX, ctrlr); + + ret = open_dev(name, &fd, 0, 0); + + if (ret == EACCES) { + warnx("could not open "_PATH_DEV"%s\n", name); + continue; + } else if (ret != 0) + continue; + + found++; + read_controller_data(fd, &cdata); + nvme_strvis(mn, cdata.mn, sizeof(mn), NVME_MODEL_NUMBER_LENGTH); + printf("%6s: %s\n", name, mn); + + for (i = 0; i < cdata.nn; i++) { + read_namespace_data(fd, i + 1, &nsdata); + if (nsdata.nsze == 0) + continue; + sprintf(name, "%s%d%s%d", NVME_CTRLR_PREFIX, ctrlr, + NVME_NS_PREFIX, i + 1); + printf(" %10s (%lldMB)\n", + name, + nsdata.nsze * + (long long)ns_get_sector_size(&nsdata) / + 1024 / 1024); + } + + close(fd); + } + + if (found == 0) + printf("No NVMe controllers found.\n"); + + exit(1); +} |