numam-spdk/app/spdk_lspci/spdk_lspci.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

124 lines
3.3 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
* notice, this list of conditions and the following disclaimer.
* * 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
* 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 "spdk/stdinc.h"
#include "spdk/env.h"
#include "spdk/vmd.h"
static void
usage(void)
{
printf("Usage: spdk_lspci\n");
printf("Print available SPDK PCI devices supported by NVMe driver.\n");
}
static int
pci_enum_cb(void *ctx, struct spdk_pci_device *dev)
{
return 0;
}
static void
print_pci_dev(struct spdk_pci_device *dev)
{
struct spdk_pci_addr pci_addr = spdk_pci_device_get_addr(dev);
char addr[32] = { 0 };
spdk_pci_addr_fmt(addr, sizeof(addr), &pci_addr);
printf("%s (%x %x)", addr,
spdk_pci_device_get_vendor_id(dev),
spdk_pci_device_get_device_id(dev));
if (strcmp(spdk_pci_device_get_type(dev), "vmd") == 0) {
printf(" (NVMe disk behind VMD) ");
}
if (dev->internal.driver == spdk_pci_vmd_get_driver()) {
printf(" (VMD) ");
}
printf("\n");
}
int
main(int argc, char **argv)
{
int op;
struct spdk_env_opts opts;
struct spdk_pci_device *dev;
while ((op = getopt(argc, argv, "h")) != -1) {
switch (op) {
case 'h':
usage();
return 0;
default:
usage();
return 1;
}
}
spdk_env_opts_init(&opts);
opts.name = "spdk_lspci";
if (spdk_env_init(&opts) < 0) {
printf("Unable to initialize SPDK env\n");
return 1;
}
if (spdk_vmd_init()) {
printf("Failed to initialize VMD. Some NVMe devices can be unavailable.\n");
}
if (spdk_pci_enumerate(spdk_pci_nvme_get_driver(), pci_enum_cb, NULL)) {
printf("Unable to enumerate PCI nvme driver\n");
return 1;
}
dev = spdk_pci_get_first_device();
if (!dev) {
printf("\nLack of PCI devices available for SPDK!\n");
}
printf("\nList of available PCI devices:\n");
while (dev) {
print_pci_dev(dev);
dev = spdk_pci_get_next_device(dev);
}
spdk_vmd_fini();
return 0;
}