475 lines
12 KiB
C
475 lines
12 KiB
C
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/*-
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* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
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*
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* Copyright (c) 2017 Netflix, Inc
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* Copyright (C) 2018 Alexander Motin <mav@FreeBSD.org>
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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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* without modification, immediately at the beginning of the file.
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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 ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 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 <err.h>
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#include <fcntl.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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/* handles NVME_OPC_NAMESPACE_MANAGEMENT and ATTACHMENT admin cmds */
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#define NSCREATE_USAGE \
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" nvmecontrol ns create -s size [-c cap] [-f fmt] [-m mset] [-n nmic] [-p pi] [-l pil] nvmeN\n"
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#define NSDELETE_USAGE \
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" nvmecontrol ns delete -n nsid nvmeN\n"
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#define NSATTACH_USAGE \
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" nvmecontrol ns attach -n nsid [-c ctrlrid] nvmeN \n"
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#define NSDETACH_USAGE \
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" nvmecontrol ns detach -n nsid [-c ctrlrid] nvmeN\n"
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void nscreate(int argc, char *argv[]);
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void nsdelete(int argc, char *argv[]);
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void nsattach(int argc, char *argv[]);
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void nsdetach(int argc, char *argv[]);
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static struct nvme_function ns_funcs[] = {
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{"create", nscreate, NSCREATE_USAGE},
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{"delete", nsdelete, NSDELETE_USAGE},
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{"attach", nsattach, NSATTACH_USAGE},
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{"detach", nsdetach, NSDETACH_USAGE},
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{NULL, NULL, NULL},
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};
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static void
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nscreate_usage(void)
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{
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fprintf(stderr, "usage:\n");
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fprintf(stderr, NSCREATE_USAGE);
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exit(1);
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}
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static void
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nsdelete_usage(void)
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{
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fprintf(stderr, "usage:\n");
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fprintf(stderr, NSDELETE_USAGE);
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exit(1);
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}
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static void
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nsattach_usage(void)
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{
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fprintf(stderr, "usage:\n");
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fprintf(stderr, NSATTACH_USAGE);
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exit(1);
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}
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static void
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nsdetach_usage(void)
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{
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fprintf(stderr, "usage:\n");
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fprintf(stderr, NSDETACH_USAGE);
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exit(1);
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}
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struct ns_result_str {
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uint16_t res;
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const char * str;
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};
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static struct ns_result_str ns_result[] = {
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{ 0x2, "Invalid Field"},
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{ 0xa, "Invalid Format"},
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{ 0xb, "Invalid Namespace or format"},
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{ 0x15, "Namespace insufficent capacity"},
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{ 0x16, "Namespace ID unavaliable"},
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{ 0x18, "Namespace already attached"},
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{ 0x19, "Namespace is private"},
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{ 0x1a, "Namespace is not attached"},
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{ 0x1b, "Thin provisioning not supported"},
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{ 0x1c, "Controller list invalid"},
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{ 0xFFFF, "Unknown"}
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};
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static const char *
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get_res_str(uint16_t res)
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{
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struct ns_result_str *t = ns_result;
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while (t->res != 0xFFFF) {
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if (t->res == res)
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return (t->str);
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t++;
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}
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return t->str;
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}
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/*
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* NS MGMT Command specific status values:
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* 0xa = Invalid Format
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* 0x15 = Namespace Insuffience capacity
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* 0x16 = Namespace ID unavailable (number namespaces exceeded)
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* 0xb = Thin Provisioning Not supported
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*/
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void
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nscreate(int argc, char *argv[])
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{
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struct nvme_pt_command pt;
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struct nvme_controller_data cd;
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struct nvme_namespace_data nsdata;
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int64_t nsze = -1, cap = -1;
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int ch, fd, result, lbaf = 0, mset = 0, nmic = -1, pi = 0, pil = 0;
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if (optind >= argc)
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nscreate_usage();
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while ((ch = getopt(argc, argv, "s:c:f:m:n:p:l:")) != -1) {
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switch (ch) {
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case 's':
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nsze = strtol(optarg, (char **)NULL, 0);
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break;
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case 'c':
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cap = strtol(optarg, (char **)NULL, 0);
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break;
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case 'f':
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lbaf = strtol(optarg, (char **)NULL, 0);
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break;
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case 'm':
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mset = strtol(optarg, NULL, 0);
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break;
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case 'n':
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nmic = strtol(optarg, NULL, 0);
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break;
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case 'p':
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pi = strtol(optarg, NULL, 0);
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break;
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case 'l':
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pil = strtol(optarg, NULL, 0);
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break;
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default:
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nscreate_usage();
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}
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}
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if (optind >= argc)
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nscreate_usage();
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if (cap == -1)
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cap = nsze;
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if (nsze == -1 || cap == -1)
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nscreate_usage();
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open_dev(argv[optind], &fd, 1, 1);
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read_controller_data(fd, &cd);
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/* Check that controller can execute this command. */
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if (((cd.oacs >> NVME_CTRLR_DATA_OACS_NSMGMT_SHIFT) &
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NVME_CTRLR_DATA_OACS_NSMGMT_MASK) == 0)
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errx(1, "controller does not support namespace management");
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/* Allow namespaces sharing if Multi-Path I/O is supported. */
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if (nmic == -1) {
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nmic = cd.mic ? (NVME_NS_DATA_NMIC_MAY_BE_SHARED_MASK <<
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NVME_NS_DATA_NMIC_MAY_BE_SHARED_SHIFT) : 0;
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}
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memset(&nsdata, 0, sizeof(nsdata));
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nsdata.nsze = (uint64_t)nsze;
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nsdata.ncap = (uint64_t)cap;
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nsdata.flbas = ((lbaf & NVME_NS_DATA_FLBAS_FORMAT_MASK)
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<< NVME_NS_DATA_FLBAS_FORMAT_SHIFT) |
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((mset & NVME_NS_DATA_FLBAS_EXTENDED_MASK)
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<< NVME_NS_DATA_FLBAS_EXTENDED_SHIFT);
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nsdata.dps = ((pi & NVME_NS_DATA_DPS_MD_START_MASK)
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<< NVME_NS_DATA_DPS_MD_START_SHIFT) |
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((pil & NVME_NS_DATA_DPS_PIT_MASK)
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<< NVME_NS_DATA_DPS_PIT_SHIFT);
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nsdata.nmic = nmic;
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nvme_namespace_data_swapbytes(&nsdata);
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memset(&pt, 0, sizeof(pt));
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pt.cmd.opc_fuse = NVME_CMD_SET_OPC(NVME_OPC_NAMESPACE_MANAGEMENT);
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pt.cmd.cdw10 = 0; /* create */
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pt.buf = &nsdata;
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pt.len = sizeof(struct nvme_namespace_data);
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pt.is_read = 0; /* passthrough writes data to ctrlr */
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if ((result = ioctl(fd, NVME_PASSTHROUGH_CMD, &pt)) < 0)
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errx(1, "ioctl request to %s failed: %d", argv[optind], result);
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if (nvme_completion_is_error(&pt.cpl)) {
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errx(1, "namespace creation failed: %s",
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get_res_str((pt.cpl.status >> NVME_STATUS_SC_SHIFT) &
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NVME_STATUS_SC_MASK));
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}
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printf("namespace %d created\n", pt.cpl.cdw0);
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exit(0);
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}
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void
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nsdelete(int argc, char *argv[])
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{
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struct nvme_pt_command pt;
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struct nvme_controller_data cd;
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int ch, fd, result, nsid = -2;
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char buf[2];
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if (optind >= argc)
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nsdelete_usage();
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while ((ch = getopt(argc, argv, "n:")) != -1) {
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switch ((char)ch) {
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case 'n':
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nsid = strtol(optarg, (char **)NULL, 0);
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break;
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default:
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nsdelete_usage();
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}
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}
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if (optind >= argc || nsid == -2)
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nsdelete_usage();
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open_dev(argv[optind], &fd, 1, 1);
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read_controller_data(fd, &cd);
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/* Check that controller can execute this command. */
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if (((cd.oacs >> NVME_CTRLR_DATA_OACS_NSMGMT_SHIFT) &
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NVME_CTRLR_DATA_OACS_NSMGMT_MASK) == 0)
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errx(1, "controller does not support namespace management");
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memset(&pt, 0, sizeof(pt));
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pt.cmd.opc_fuse = NVME_CMD_SET_OPC(NVME_OPC_NAMESPACE_MANAGEMENT);
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pt.cmd.cdw10 = 1; /* delete */
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pt.buf = buf;
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pt.len = sizeof(buf);
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pt.is_read = 1;
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pt.cmd.nsid = (uint32_t)nsid;
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if ((result = ioctl(fd, NVME_PASSTHROUGH_CMD, &pt)) < 0)
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errx(1, "ioctl request to %s failed: %d", argv[optind], result);
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if (nvme_completion_is_error(&pt.cpl)) {
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errx(1, "namespace deletion failed: %s",
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get_res_str((pt.cpl.status >> NVME_STATUS_SC_SHIFT) &
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NVME_STATUS_SC_MASK));
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}
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printf("namespace %d deleted\n", nsid);
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exit(0);
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}
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/*
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* Attach and Detach use Dword 10, and a controller list (section 4.9)
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* This struct is 4096 bytes in size.
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* 0h = attach
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* 1h = detach
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*
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* Result values for both attach/detach:
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*
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* Completion 18h = Already attached
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* 19h = NS is private and already attached to a controller
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* 1Ah = Not attached, request could not be completed
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* 1Ch = Controller list invalid.
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*
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* 0x2 Invalid Field can occur if ctrlrid d.n.e in system.
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*/
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void
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nsattach(int argc, char *argv[])
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{
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struct nvme_pt_command pt;
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struct nvme_controller_data cd;
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int ctrlrid = -2;
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int fd, ch, result, nsid = -1;
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uint16_t clist[2048];
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if (optind >= argc)
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nsattach_usage();
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while ((ch = getopt(argc, argv, "n:c:")) != -1) {
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switch (ch) {
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case 'n':
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nsid = strtol(optarg, (char **)NULL, 0);
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break;
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case 'c':
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ctrlrid = strtol(optarg, (char **)NULL, 0);
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break;
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default:
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nsattach_usage();
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}
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}
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if (optind >= argc)
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nsattach_usage();
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if (nsid == -1 )
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nsattach_usage();
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open_dev(argv[optind], &fd, 1, 1);
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read_controller_data(fd, &cd);
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/* Check that controller can execute this command. */
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if (((cd.oacs >> NVME_CTRLR_DATA_OACS_NSMGMT_SHIFT) &
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NVME_CTRLR_DATA_OACS_NSMGMT_MASK) == 0)
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errx(1, "controller does not support namespace management");
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if (ctrlrid == -1) {
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/* Get full list of controllers to attach to. */
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memset(&pt, 0, sizeof(pt));
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pt.cmd.opc_fuse = NVME_CMD_SET_OPC(NVME_OPC_IDENTIFY);
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pt.cmd.cdw10 = htole32(0x13);
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pt.buf = clist;
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pt.len = sizeof(clist);
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pt.is_read = 1;
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if (ioctl(fd, NVME_PASSTHROUGH_CMD, &pt) < 0)
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err(1, "identify request failed");
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if (nvme_completion_is_error(&pt.cpl))
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errx(1, "identify request returned error");
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} else {
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/* By default attach to this controller. */
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if (ctrlrid == -2)
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ctrlrid = cd.ctrlr_id;
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memset(&clist, 0, sizeof(clist));
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clist[0] = htole16(1);
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clist[1] = htole16(ctrlrid);
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}
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memset(&pt, 0, sizeof(pt));
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pt.cmd.opc_fuse = NVME_CMD_SET_OPC(NVME_OPC_NAMESPACE_ATTACHMENT);
|
||
|
|
pt.cmd.cdw10 = 0; /* attach */
|
||
|
|
pt.cmd.nsid = (uint32_t)nsid;
|
||
|
|
pt.buf = &clist;
|
||
|
|
pt.len = sizeof(clist);
|
||
|
|
|
||
|
|
if ((result = ioctl(fd, NVME_PASSTHROUGH_CMD, &pt)) < 0)
|
||
|
|
errx(1, "ioctl request to %s failed: %d", argv[optind], result);
|
||
|
|
|
||
|
|
if (nvme_completion_is_error(&pt.cpl)) {
|
||
|
|
errx(1, "namespace attach failed: %s",
|
||
|
|
get_res_str((pt.cpl.status >> NVME_STATUS_SC_SHIFT) &
|
||
|
|
NVME_STATUS_SC_MASK));
|
||
|
|
}
|
||
|
|
printf("namespace %d attached\n", nsid);
|
||
|
|
exit(0);
|
||
|
|
}
|
||
|
|
|
||
|
|
void
|
||
|
|
nsdetach(int argc, char *argv[])
|
||
|
|
{
|
||
|
|
struct nvme_pt_command pt;
|
||
|
|
struct nvme_controller_data cd;
|
||
|
|
int ctrlrid = -2;
|
||
|
|
int fd, ch, result, nsid = -1;
|
||
|
|
uint16_t clist[2048];
|
||
|
|
|
||
|
|
if (optind >= argc)
|
||
|
|
nsdetach_usage();
|
||
|
|
|
||
|
|
while ((ch = getopt(argc, argv, "n:c:")) != -1) {
|
||
|
|
switch (ch) {
|
||
|
|
case 'n':
|
||
|
|
nsid = strtol(optarg, (char **)NULL, 0);
|
||
|
|
break;
|
||
|
|
case 'c':
|
||
|
|
ctrlrid = strtol(optarg, (char **)NULL, 0);
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
nsdetach_usage();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (optind >= argc)
|
||
|
|
nsdetach_usage();
|
||
|
|
|
||
|
|
if (nsid == -1)
|
||
|
|
nsdetach_usage();
|
||
|
|
|
||
|
|
open_dev(argv[optind], &fd, 1, 1);
|
||
|
|
read_controller_data(fd, &cd);
|
||
|
|
|
||
|
|
/* Check that controller can execute this command. */
|
||
|
|
if (((cd.oacs >> NVME_CTRLR_DATA_OACS_NSMGMT_SHIFT) &
|
||
|
|
NVME_CTRLR_DATA_OACS_NSMGMT_MASK) == 0)
|
||
|
|
errx(1, "controller does not support namespace management");
|
||
|
|
|
||
|
|
if (ctrlrid == -1) {
|
||
|
|
/* Get list of controllers this namespace attached to. */
|
||
|
|
memset(&pt, 0, sizeof(pt));
|
||
|
|
pt.cmd.opc_fuse = NVME_CMD_SET_OPC(NVME_OPC_IDENTIFY);
|
||
|
|
pt.cmd.nsid = htole32(nsid);
|
||
|
|
pt.cmd.cdw10 = htole32(0x12);
|
||
|
|
pt.buf = clist;
|
||
|
|
pt.len = sizeof(clist);
|
||
|
|
pt.is_read = 1;
|
||
|
|
if (ioctl(fd, NVME_PASSTHROUGH_CMD, &pt) < 0)
|
||
|
|
err(1, "identify request failed");
|
||
|
|
if (nvme_completion_is_error(&pt.cpl))
|
||
|
|
errx(1, "identify request returned error");
|
||
|
|
if (clist[0] == 0) {
|
||
|
|
ctrlrid = cd.ctrlr_id;
|
||
|
|
memset(&clist, 0, sizeof(clist));
|
||
|
|
clist[0] = htole16(1);
|
||
|
|
clist[1] = htole16(ctrlrid);
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
/* By default detach from this controller. */
|
||
|
|
if (ctrlrid == -2)
|
||
|
|
ctrlrid = cd.ctrlr_id;
|
||
|
|
memset(&clist, 0, sizeof(clist));
|
||
|
|
clist[0] = htole16(1);
|
||
|
|
clist[1] = htole16(ctrlrid);
|
||
|
|
}
|
||
|
|
|
||
|
|
memset(&pt, 0, sizeof(pt));
|
||
|
|
pt.cmd.opc_fuse = NVME_CMD_SET_OPC(NVME_OPC_NAMESPACE_ATTACHMENT);
|
||
|
|
pt.cmd.cdw10 = 1; /* detach */
|
||
|
|
pt.cmd.nsid = (uint32_t)nsid;
|
||
|
|
pt.buf = &clist;
|
||
|
|
pt.len = sizeof(clist);
|
||
|
|
|
||
|
|
if ((result = ioctl(fd, NVME_PASSTHROUGH_CMD, &pt)) < 0)
|
||
|
|
errx(1, "ioctl request to %s failed: %d", argv[optind], result);
|
||
|
|
|
||
|
|
if (nvme_completion_is_error(&pt.cpl)) {
|
||
|
|
errx(1, "namespace detach failed: %s",
|
||
|
|
get_res_str((pt.cpl.status >> NVME_STATUS_SC_SHIFT) &
|
||
|
|
NVME_STATUS_SC_MASK));
|
||
|
|
}
|
||
|
|
printf("namespace %d detached\n", nsid);
|
||
|
|
exit(0);
|
||
|
|
}
|
||
|
|
|
||
|
|
void
|
||
|
|
ns(int argc, char *argv[])
|
||
|
|
{
|
||
|
|
|
||
|
|
dispatch(argc, argv, ns_funcs);
|
||
|
|
}
|