diff options
Diffstat (limited to 'src/spdk/module/event/subsystems/vmd')
| -rw-r--r-- | src/spdk/module/event/subsystems/vmd/Makefile | 45 | ||||
| -rw-r--r-- | src/spdk/module/event/subsystems/vmd/event_vmd.h | 39 | ||||
| -rw-r--r-- | src/spdk/module/event/subsystems/vmd/vmd.c | 132 | ||||
| -rw-r--r-- | src/spdk/module/event/subsystems/vmd/vmd_rpc.c | 55 |
4 files changed, 271 insertions, 0 deletions
diff --git a/src/spdk/module/event/subsystems/vmd/Makefile b/src/spdk/module/event/subsystems/vmd/Makefile new file mode 100644 index 000000000..2089a2b9d --- /dev/null +++ b/src/spdk/module/event/subsystems/vmd/Makefile @@ -0,0 +1,45 @@ +# +# 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 + +SO_VER := 2 +SO_MINOR := 0 + +C_SRCS = vmd.c vmd_rpc.c +LIBNAME = event_vmd + +SPDK_MAP_FILE = $(SPDK_ROOT_DIR)/mk/spdk_blank.map + +include $(SPDK_ROOT_DIR)/mk/spdk.lib.mk diff --git a/src/spdk/module/event/subsystems/vmd/event_vmd.h b/src/spdk/module/event/subsystems/vmd/event_vmd.h new file mode 100644 index 000000000..2f4b93f95 --- /dev/null +++ b/src/spdk/module/event/subsystems/vmd/event_vmd.h @@ -0,0 +1,39 @@ +/*- + * 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. + */ + +#ifndef EVENT_VMD_H +#define EVENT_VMD_H + +int vmd_subsystem_init(void); + +#endif diff --git a/src/spdk/module/event/subsystems/vmd/vmd.c b/src/spdk/module/event/subsystems/vmd/vmd.c new file mode 100644 index 000000000..55eb47019 --- /dev/null +++ b/src/spdk/module/event/subsystems/vmd/vmd.c @@ -0,0 +1,132 @@ +/*- + * 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/thread.h" +#include "spdk/likely.h" + +#include "spdk/vmd.h" + +#include "spdk_internal/event.h" +#include "event_vmd.h" + +static struct spdk_poller *g_hotplug_poller; +static bool g_enabled; + +static int +vmd_hotplug_monitor(void *ctx) +{ + return spdk_vmd_hotplug_monitor(); +} + +int +vmd_subsystem_init(void) +{ + int rc; + + if (g_enabled) { + SPDK_ERRLOG("The initialization has already been performed\n"); + return -EBUSY; + } + + rc = spdk_vmd_init(); + if (spdk_likely(rc != 0)) { + SPDK_ERRLOG("Failed to initialize the VMD library\n"); + return rc; + } + + assert(g_hotplug_poller == NULL); + + g_hotplug_poller = SPDK_POLLER_REGISTER(vmd_hotplug_monitor, NULL, 1000000ULL); + if (g_hotplug_poller == NULL) { + SPDK_ERRLOG("Failed to register hotplug monitor poller\n"); + return -ENOMEM; + } + + g_enabled = true; + + return 0; +} + +static void +_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 = vmd_subsystem_init(); + } + } + + spdk_subsystem_init_next(rc); +} + +static void +vmd_subsystem_fini(void) +{ + spdk_poller_unregister(&g_hotplug_poller); + + spdk_vmd_fini(); + + spdk_subsystem_fini_next(); +} + +static void +vmd_write_config_json(struct spdk_json_write_ctx *w) +{ + spdk_json_write_array_begin(w); + + if (g_enabled) { + spdk_json_write_object_begin(w); + spdk_json_write_named_string(w, "method", "enable_vmd"); + spdk_json_write_named_object_begin(w, "params"); + spdk_json_write_object_end(w); + spdk_json_write_object_end(w); + } + + spdk_json_write_array_end(w); +} + +static struct spdk_subsystem g_spdk_subsystem_vmd = { + .name = "vmd", + .init = _vmd_subsystem_init, + .fini = vmd_subsystem_fini, + .config = NULL, + .write_config_json = vmd_write_config_json, +}; + +SPDK_SUBSYSTEM_REGISTER(g_spdk_subsystem_vmd); diff --git a/src/spdk/module/event/subsystems/vmd/vmd_rpc.c b/src/spdk/module/event/subsystems/vmd/vmd_rpc.c new file mode 100644 index 000000000..35843e688 --- /dev/null +++ b/src/spdk/module/event/subsystems/vmd/vmd_rpc.c @@ -0,0 +1,55 @@ +/*- + * 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/vmd.h" + +#include "spdk/rpc.h" +#include "spdk/util.h" + +#include "spdk_internal/log.h" +#include "event_vmd.h" + +static void +rpc_vmd_enable(struct spdk_jsonrpc_request *request, const struct spdk_json_val *params) +{ + struct spdk_json_write_ctx *w; + int rc; + + rc = vmd_subsystem_init(); + + w = spdk_jsonrpc_begin_result(request); + spdk_json_write_bool(w, rc == 0); + spdk_jsonrpc_end_result(request, w); +} + +SPDK_RPC_REGISTER("enable_vmd", rpc_vmd_enable, SPDK_RPC_STARTUP) |