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NetBSD/sbin/nvmectl/identify.c

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/* $NetBSD: identify.c,v 1.7 2020/09/27 16:45:21 jdolecek Exp $ */
/*-
* 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>
#ifndef lint
__RCSID("$NetBSD: identify.c,v 1.7 2020/09/27 16:45:21 jdolecek Exp $");
#if 0
__FBSDID("$FreeBSD: head/sbin/nvmecontrol/identify.c 329824 2018-02-22 13:32:31Z wma $");
#endif
#endif
#include <sys/param.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 "nvmectl.h"
static void
print_controller(struct nvm_identify_controller *cdata)
{
uint8_t str[128];
printf("Controller Capabilities/Features\n");
printf("================================\n");
printf("Vendor ID: %04x\n", cdata->vid);
printf("Subsystem Vendor ID: %04x\n", cdata->ssvid);
nvme_strvis(str, sizeof(str), cdata->sn, sizeof(cdata->sn));
printf("Serial Number: %s\n", str);
nvme_strvis(str, sizeof(str), cdata->mn, sizeof(cdata->mn));
printf("Model Number: %s\n", str);
nvme_strvis(str, sizeof(str), cdata->fr, sizeof(cdata->fr));
printf("Firmware Version: %s\n", str);
printf("Recommended Arb Burst: %d\n", cdata->rab);
printf("IEEE OUI Identifier: %02x %02x %02x\n",
cdata->ieee[0], cdata->ieee[1], cdata->ieee[2]);
printf("Multi-Interface Cap: %02x\n", cdata->cmic);
/* TODO: Use CAP.MPSMIN to determine true memory page size. */
printf("Max Data Transfer Size: ");
if (cdata->mdts == 0)
printf("Unlimited\n");
else
printf("%ld\n", sysconf(_SC_PAGESIZE) * (1 << cdata->mdts));
printf("Controller ID: 0x%02x\n", cdata->cntlid);
printf("\n");
printf("Admin Command Set Attributes\n");
printf("============================\n");
printf("Security Send/Receive: %s\n",
(cdata->oacs & NVME_ID_CTRLR_OACS_SECURITY) ?
"Supported" : "Not Supported");
printf("Format NVM: %s\n",
(cdata->oacs & NVME_ID_CTRLR_OACS_FORMAT) ?
"Supported" : "Not Supported");
printf("Firmware Activate/Download: %s\n",
(cdata->oacs & NVME_ID_CTRLR_OACS_FW) ?
"Supported" : "Not Supported");
printf("Namespace Managment: %s\n",
(cdata->oacs & NVME_ID_CTRLR_OACS_NS) ?
"Supported" : "Not Supported");
printf("Abort Command Limit: %d\n", cdata->acl+1);
printf("Async Event Request Limit: %d\n", cdata->aerl+1);
printf("Number of Firmware Slots: ");
if (cdata->oacs & NVME_ID_CTRLR_OACS_FW)
printf("%d\n",
(uint8_t)__SHIFTOUT(cdata->frmw, NVME_ID_CTRLR_FRMW_NSLOT));
else
printf("N/A\n");
printf("Firmware Slot 1 Read-Only: ");
if (cdata->oacs & NVME_ID_CTRLR_OACS_FW)
printf("%s\n", (cdata->frmw & NVME_ID_CTRLR_FRMW_SLOT1_RO) ?
"Yes" : "No");
else
printf("N/A\n");
printf("Per-Namespace SMART Log: %s\n",
(cdata->lpa & NVME_ID_CTRLR_LPA_NS_SMART) ? "Yes" : "No");
printf("Error Log Page Entries: %d\n", cdata->elpe+1);
printf("Number of Power States: %d\n", cdata->npss+1);
printf("\n");
printf("NVM Command Set Attributes\n");
printf("==========================\n");
printf("Submission Queue Entry Size\n");
printf(" Max: %d\n",
1 << __SHIFTOUT(cdata->sqes, NVME_ID_CTRLR_SQES_MAX));
printf(" Min: %d\n",
1 << __SHIFTOUT(cdata->sqes, NVME_ID_CTRLR_SQES_MIN));
printf("Completion Queue Entry Size\n");
printf(" Max: %d\n",
1 << __SHIFTOUT(cdata->cqes, NVME_ID_CTRLR_CQES_MAX));
printf(" Min: %d\n",
1 << __SHIFTOUT(cdata->cqes, NVME_ID_CTRLR_CQES_MIN));
printf("Number of Namespaces: %d\n", cdata->nn);
printf("Compare Command: %s\n",
(cdata->oncs & NVME_ID_CTRLR_ONCS_COMPARE) ?
"Supported" : "Not Supported");
printf("Write Uncorrectable Command: %s\n",
(cdata->oncs & NVME_ID_CTRLR_ONCS_WRITE_UNC) ?
"Supported" : "Not Supported");
printf("Dataset Management Command: %s\n",
(cdata->oncs & NVME_ID_CTRLR_ONCS_DSM) ?
"Supported" : "Not Supported");
printf("Write Zeroes Command: %s\n",
(cdata->oncs & NVME_ID_CTRLR_ONCS_WRITE_ZERO) ?
"Supported" : "Not Supported");
printf("Features Save/Select Field: %s\n",
(cdata->oncs & NVME_ID_CTRLR_ONCS_SET_FEATURES) ?
"Supported" : "Not Supported");
printf("Reservation: %s\n",
(cdata->oncs & NVME_ID_CTRLR_ONCS_RESERVATION) ?
"Supported" : "Not Supported");
printf("Volatile Write Cache: %s\n",
(cdata->vwc & NVME_ID_CTRLR_VWC_PRESENT) ?
"Present" : "Not Present");
printf("Autonomous Power State Transitions: %s\n",
(cdata->apsta & NVME_ID_CTRLR_APSTA_PRESENT) ?
"Supported" : "Not Supported");
if (cdata->oacs & NVME_ID_CTRLR_OACS_NS) {
printf("\n");
printf("Namespace Drive Attributes\n");
printf("==========================\n");
print_bignum("NVM total cap: ",
cdata->untncap.tnvmcap, "");
print_bignum("NVM unallocated cap: ",
cdata->untncap.unvmcap, "");
}
}
static void
print_namespace(struct nvm_identify_namespace *nsdata)
{
uint32_t i;
printf("Size (in LBAs): %lld (%lldM)\n",
(long long)nsdata->nsze,
(long long)nsdata->nsze / 1024 / 1024);
printf("Capacity (in LBAs): %lld (%lldM)\n",
(long long)nsdata->ncap,
(long long)nsdata->ncap / 1024 / 1024);
printf("Utilization (in LBAs): %lld (%lldM)\n",
(long long)nsdata->nuse,
(long long)nsdata->nuse / 1024 / 1024);
printf("Thin Provisioning: %s\n",
(nsdata->nsfeat & NVME_ID_NS_NSFEAT_THIN_PROV) ?
"Supported" : "Not Supported");
printf("Number of LBA Formats: %d\n", nsdata->nlbaf+1);
printf("Current LBA Format: LBA Format #%02d\n",
NVME_ID_NS_FLBAS(nsdata->flbas));
for (i = 0; i <= nsdata->nlbaf; i++)
printf("LBA Format #%02d: Data Size: %5d Metadata Size: %5d\n",
i, 1 << nsdata->lbaf[i].lbads, nsdata->lbaf[i].ms);
}
__dead static void
identify_usage(void)
{
fprintf(stderr, "usage:\n");
fprintf(stderr, "\t%s " IDENTIFY_USAGE, getprogname());
exit(1);
}
__dead static void
identify_ctrlr(int argc, char *argv[])
{
struct nvm_identify_controller cdata;
int ch, fd, hexflag = 0, hexlength;
int verboseflag = 0;
while ((ch = getopt(argc, argv, "vx")) != -1) {
switch (ch) {
case 'v':
verboseflag = 1;
break;
case 'x':
hexflag = 1;
break;
default:
identify_usage();
}
}
/* Check that a controller was specified. */
if (optind >= argc)
identify_usage();
open_dev(argv[optind], &fd, 1, 1);
read_controller_data(fd, &cdata);
close(fd);
if (hexflag == 1) {
if (verboseflag == 1)
hexlength = sizeof(struct nvm_identify_controller);
else
hexlength = offsetof(struct nvm_identify_controller,
_reserved7);
print_hex(&cdata, hexlength);
exit(0);
}
if (verboseflag == 1) {
fprintf(stderr, "-v not currently supported without -x\n");
identify_usage();
}
print_controller(&cdata);
exit(0);
}
__dead static void
identify_ns(int argc, char *argv[])
{
struct nvm_identify_namespace nsdata;
char path[64];
int ch, fd, hexflag = 0, hexlength, nsid;
int verboseflag = 0;
while ((ch = getopt(argc, argv, "vx")) != -1) {
switch (ch) {
case 'v':
verboseflag = 1;
break;
case 'x':
hexflag = 1;
break;
default:
identify_usage();
}
}
/* Check that a namespace was specified. */
if (optind >= argc)
identify_usage();
/*
* Check if the specified device node exists before continuing.
* This is a cleaner check for cases where the correct controller
* is specified, but an invalid namespace on that controller.
*/
open_dev(argv[optind], &fd, 1, 1);
close(fd);
/*
* We send IDENTIFY commands to the controller, not the namespace,
* since it is an admin cmd. The namespace ID will be specified in
* the IDENTIFY command itself. So parse the namespace's device node
* string to get the controller substring and namespace ID.
*/
parse_ns_str(argv[optind], path, &nsid);
open_dev(path, &fd, 1, 1);
read_namespace_data(fd, nsid, &nsdata);
close(fd);
if (hexflag == 1) {
if (verboseflag == 1)
hexlength = sizeof(struct nvm_identify_namespace);
else
hexlength = offsetof(struct nvm_identify_namespace,
_reserved2);
print_hex(&nsdata, hexlength);
exit(0);
}
if (verboseflag == 1) {
fprintf(stderr, "-v not currently supported without -x\n");
identify_usage();
}
print_namespace(&nsdata);
exit(0);
}
void
identify(int argc, char *argv[])
{
char *target;
if (argc < 2)
identify_usage();
while (getopt(argc, argv, "vx") != -1) ;
/* Check that a controller or namespace was specified. */
if (optind >= argc)
identify_usage();
target = argv[optind];
optreset = 1;
optind = 1;
/*
* If device node contains "ns", we consider it a namespace,
* otherwise, consider it a controller.
*/
if (strstr(target, NVME_NS_PREFIX) == NULL)
identify_ctrlr(argc, argv);
else
identify_ns(argc, argv);
}
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