numam-spdk/examples/vmd/lsvmd/lsvmd.c
Konrad Sztyber ce6171d465 lib/vmd: detach devices during shutdown
Added spdk_vmd_fini(), which detaches all PCI devices acquired by the
VMD subsystem.

Fixes #1148

Change-Id: I43218ef5f9a764546b655c28688897fb91b779cb
Signed-off-by: Konrad Sztyber <konrad.sztyber@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/482852
Community-CI: SPDK CI Jenkins <sys_sgci@intel.com>
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-by: Tomasz Zawadzki <tomasz.zawadzki@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
2020-02-04 16:50:25 +00:00

111 lines
3.0 KiB
C

/*-
* BSD LICENSE
*
* Copyright (c) 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:
*
* * Redistributions of source code must retain the above copyright
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* * 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.
* * Neither the name of Intel Corporation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 COPYRIGHT
* OWNER 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
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*/
#include "spdk/stdinc.h"
#include "spdk/log.h"
#include "spdk/env.h"
#include "spdk/vmd.h"
struct spdk_pci_addr g_probe_addr;
static int
parse_args(int argc, char **argv)
{
int op;
while ((op = getopt(argc, argv, "r:d")) != -1) {
switch (op) {
case 'r':
if (spdk_pci_addr_parse(&g_probe_addr, optarg)) {
SPDK_ERRLOG("Error parsing PCI address\n");
return 1;
}
break;
case 'd':
spdk_log_set_print_level(SPDK_LOG_DEBUG);
spdk_log_set_flag("vmd");
break;
default:
return 1;
}
}
return 0;
}
int main(int argc, char **argv)
{
struct spdk_env_opts opts;
struct spdk_pci_device *pci_device;
char addr_buf[128];
int rc;
rc = parse_args(argc, argv);
if (rc != 0) {
return rc;
}
spdk_env_opts_init(&opts);
opts.name = "lsvmd";
if (spdk_env_init(&opts) < 0) {
SPDK_ERRLOG("Unable to initialize SPDK env\n");
return 1;
}
rc = spdk_vmd_init();
if (rc) {
SPDK_ERRLOG("No VMD Controllers found\n");
}
for (pci_device = spdk_pci_get_first_device(); pci_device != NULL;
pci_device = spdk_pci_get_next_device(pci_device)) {
if (strcmp(spdk_pci_device_get_type(pci_device), "vmd") == 0) {
rc = spdk_pci_addr_fmt(addr_buf, sizeof(addr_buf), &pci_device->addr);
if (rc != 0) {
fprintf(stderr, "Failed to format VMD's PCI address\n");
continue;
}
printf("%s\n", addr_buf);
}
}
spdk_vmd_fini();
return rc;
}