app/spdk_lspci: App for printing available SPDK PCI devices

DIRS-y += iscsi_top

DIRS-y += iscsi_tgt

DIRS-y += spdk_tgt

DIRS-y += spdk_lspci

ifeq ($(OS),Linux)

DIRS-$(CONFIG_VHOST) += vhost

endif

spdk_lspci

#

#  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

/*-

 *   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;

}