Commit fa647093 authored by Wojciech Malikowski's avatar Wojciech Malikowski Committed by Darek Stojaczyk
Browse files

examples/vmd: VMD device usage example 



This example enumarates NVMe disks behind VMD.

Change-Id: I2e38aa3b3b73db1cc3b3bc79128071800cbf5fa9
Signed-off-by: default avatarWojciech Malikowski <wojciech.malikowski@intel.com>
Signed-off-by: default avatarOrden Smith <orden.e.smith@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/455829


Tested-by: default avatarSPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: default avatarDarek Stojaczyk <dariusz.stojaczyk@intel.com>
Reviewed-by: default avatarShuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
parent 8fc9ac7b

examples/Makefile

+1 −1
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@@ -34,7 +34,7 @@ 
SPDK_ROOT_DIR := $(abspath $(CURDIR)/..)

include $(SPDK_ROOT_DIR)/mk/spdk.common.mk



DIRS-y += bdev blob ioat nvme sock

DIRS-y += bdev blob ioat nvme sock vmd



.PHONY: all clean $(DIRS-y)

examples/vmd/Makefile

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#

#  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



DIRS-y += lsvmd



.PHONY: all clean $(DIRS-y)



all: $(DIRS-y)

clean: $(DIRS-y)



include $(SPDK_ROOT_DIR)/mk/spdk.subdirs.mk

examples/vmd/lsvmd/.gitignore

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lsvmd

examples/vmd/lsvmd/Makefile

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#

#  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

include $(SPDK_ROOT_DIR)/mk/spdk.modules.mk



APP = lsvmd



C_SRCS := lsvmd.c



SPDK_LIB_LIST = vmd log



include $(SPDK_ROOT_DIR)/mk/spdk.app.mk

examples/vmd/lsvmd/lsvmd.c

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/*-

 *   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/log.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:")) != -1) {

		switch (op) {

		case 'r':

			if (spdk_pci_addr_parse(&g_probe_addr, optarg)) {

				SPDK_ERRLOG("Error parsing PCI address\n");

				return 1;

			}

			break;



		default:

			return 1;

		}

	}



	return 0;

}



int main(int argc, char **argv)

{

	struct spdk_env_opts opts;

	size_t vmd_cnt;



	int 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;

	}



	vmd_cnt = spdk_vmd_probe(&g_probe_addr);



	if (vmd_cnt == 0) {

		SPDK_ERRLOG("No VMD Controllers found\n");

	}



	return 0;

}