app/spdk_lspci: App for printing available SPDK PCI devices

This application enumerates all PCI devices
in system (including VMD) and prints their
address, vendor ID and device ID.

Change-Id: I2e73bc62c0a282b673486fa4527ff4b8319d47a2
Signed-off-by: Wojciech Malikowski <wojciech.malikowski@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/450925
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Darek Stojaczyk <dariusz.stojaczyk@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-by: Maciej Szwed <maciej.szwed@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
This commit is contained in:
Wojciech Malikowski 2019-04-11 08:20:20 -04:00 committed by Ben Walker
parent 310fc0b5d5
commit c3abcfefda
4 changed files with 156 additions and 0 deletions

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@ -40,6 +40,7 @@ DIRS-y += nvmf_tgt
DIRS-y += iscsi_top
DIRS-y += iscsi_tgt
DIRS-y += spdk_tgt
DIRS-y += spdk_lspci
ifeq ($(OS),Linux)
DIRS-$(CONFIG_VHOST) += vhost
endif

1
app/spdk_lspci/.gitignore vendored Normal file
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@ -0,0 +1 @@
spdk_lspci

43
app/spdk_lspci/Makefile Normal file
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@ -0,0 +1,43 @@
#
# 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.
#
SPDK_ROOT_DIR := $(abspath $(CURDIR)/../..)
include $(SPDK_ROOT_DIR)/mk/spdk.common.mk
APP = spdk_lspci
C_SRCS := spdk_lspci.c
SPDK_LIB_LIST = vmd log
include $(SPDK_ROOT_DIR)/mk/spdk.app.mk

111
app/spdk_lspci/spdk_lspci.c Normal file
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@ -0,0 +1,111 @@
/*-
* 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)\n", addr,
spdk_pci_device_get_vendor_id(dev),
spdk_pci_device_get_device_id(dev));
}
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);
}
return 0;
}