d/numam-spdk
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

event/subsystems/vmd: Added VMD subsystem

Browse Source 
Added new VMD subsystem to enumerate
devices behind VMD when event framewrok
is used.

To enable VMD, user need to provide Enable
flag via config file.

Change-Id: I89bfe22b127c00d358dac7336ffb44b0c0f426ea
Signed-off-by: Wojciech Malikowski <wojciech.malikowski@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/458443
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: Ben Walker <benjamin.walker@intel.com>
This commit is contained in:
Wojciech Malikowski 2019-06-18 07:28:04 -04:00 committed by Darek Stojaczyk
parent 98cc02fd05
commit 8233a5a8e1
3 changed files with 112 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
lib/event/subsystems/Makefile
View File

@ -34,7 +34,7 @@
SPDK_ROOT_DIR := $(abspath $(CURDIR)/../../..)
include $(SPDK_ROOT_DIR)/mk/spdk.common.mk
DIRS-y += bdev copy iscsi nbd net nvmf scsi vhost
DIRS-y += bdev copy iscsi nbd net nvmf scsi vhost vmd
.PHONY: all clean $(DIRS-y)

40
lib/event/subsystems/vmd/Makefile Normal file
View File

@ -0,0 +1,40 @@
#
# 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
C_SRCS = vmd.c
LIBNAME = event_vmd
include $(SPDK_ROOT_DIR)/mk/spdk.lib.mk

71
lib/event/subsystems/vmd/vmd.c Normal file
View File

@ -0,0 +1,71 @@
/*-
* 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/conf.h"
#include "spdk/vmd.h"
#include "spdk_internal/event.h"
static void
spdk_vmd_subsystem_init(void)
{
struct spdk_conf_section *sp;
int rc = 0;
sp = spdk_conf_find_section(NULL, "Vmd");
if (sp != NULL) {
if (spdk_conf_section_get_boolval(sp, "Enable", false)) {
rc = spdk_vmd_init();
}
}
spdk_subsystem_init_next(rc);
}
static void
spdk_vmd_subsystem_fini(void)
{
spdk_subsystem_fini_next();
}
static struct spdk_subsystem g_spdk_subsystem_vmd = {
.name = "vmd",
.init = spdk_vmd_subsystem_init,
.fini = spdk_vmd_subsystem_fini,
.config = NULL,
.write_config_json = NULL,
};
SPDK_SUBSYSTEM_REGISTER(g_spdk_subsystem_vmd);