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// SPDX-License-Identifier: LGPL-2.1-or-later
/**
* This file is part of libnvme.
* Copyright (c) 2020 Western Digital Corporation or its affiliates.
*
* Authors: Keith Busch <keith.busch@wdc.com>
*/
/**
* display-columnar: Scans the nvme topology, prints each record type in a
* column format for easy visual scanning.
*/
#include <stdio.h>
#include <inttypes.h>
#include <libnvme.h>
static const char dash[101] = {[0 ... 99] = '-'};
int main()
{
nvme_root_t r;
nvme_host_t h;
nvme_subsystem_t s;
nvme_ctrl_t c;
nvme_path_t p;
nvme_ns_t n;
r = nvme_scan(NULL);
if (!r)
return -1;
printf("%-16s %-96s %-.16s\n", "Subsystem", "Subsystem-NQN", "Controllers");
printf("%-.16s %-.96s %-.16s\n", dash, dash, dash);
nvme_for_each_host(r, h) {
nvme_for_each_subsystem(h, s) {
bool first = true;
printf("%-16s %-96s ", nvme_subsystem_get_name(s),
nvme_subsystem_get_nqn(s));
nvme_subsystem_for_each_ctrl(s, c) {
printf("%s%s", first ? "": ", ",
nvme_ctrl_get_name(c));
first = false;
}
printf("\n");
}
}
printf("\n");
printf("%-8s %-20s %-40s %-8s %-6s %-14s %-12s %-16s\n", "Device",
"SN", "MN", "FR", "TxPort", "Address", "Subsystem", "Namespaces");
printf("%-.8s %-.20s %-.40s %-.8s %-.6s %-.14s %-.12s %-.16s\n", dash, dash,
dash, dash, dash, dash, dash, dash);
nvme_for_each_host(r, h) {
nvme_for_each_subsystem(h, s) {
nvme_subsystem_for_each_ctrl(s, c) {
bool first = true;
printf("%-8s %-20s %-40s %-8s %-6s %-14s %-12s ",
nvme_ctrl_get_name(c),
nvme_ctrl_get_serial(c),
nvme_ctrl_get_model(c),
nvme_ctrl_get_firmware(c),
nvme_ctrl_get_transport(c),
nvme_ctrl_get_address(c),
nvme_subsystem_get_name(s));
nvme_ctrl_for_each_ns(c, n) {
printf("%s%s", first ? "": ", ",
nvme_ns_get_name(n));
first = false;
}
nvme_ctrl_for_each_path(c, p) {
printf("%s%s", first ? "": ", ",
nvme_ns_get_name(nvme_path_get_ns(p)));
first = false;
}
printf("\n");
}
}
}
printf("\n");
printf("%-12s %-8s %-16s %-8s %-16s\n", "Device", "NSID", "Sectors", "Format", "Controllers");
printf("%-.12s %-.8s %-.16s %-.8s %-.16s\n", dash, dash, dash, dash, dash);
nvme_for_each_host(r, h) {
nvme_for_each_subsystem(h, s) {
nvme_subsystem_for_each_ctrl(s, c) {
nvme_ctrl_for_each_ns(c, n)
printf("%-12s %-8d %-16" PRIu64 " %-8d %s\n",
nvme_ns_get_name(n),
nvme_ns_get_nsid(n),
nvme_ns_get_lba_count(n),
nvme_ns_get_lba_size(n),
nvme_ctrl_get_name(c));
}
nvme_subsystem_for_each_ns(s, n) {
bool first = true;
printf("%-12s %-8d %-16" PRIu64 " %-8d ",
nvme_ns_get_name(n),
nvme_ns_get_nsid(n),
nvme_ns_get_lba_count(n),
nvme_ns_get_lba_size(n));
nvme_subsystem_for_each_ctrl(s, c) {
printf("%s%s", first ? "" : ", ",
nvme_ctrl_get_name(c));
first = false;
}
printf("\n");
}
}
}
return 0;
}
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