1 /*- 2 * BSD LICENSE 3 * 4 * Copyright (c) Intel Corporation. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 11 * * Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * * Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in 15 * the documentation and/or other materials provided with the 16 * distribution. 17 * * Neither the name of Intel Corporation nor the names of its 18 * contributors may be used to endorse or promote products derived 19 * from this software without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 22 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 23 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 24 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 25 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 26 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 27 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 31 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 */ 33 34 #include "spdk/stdinc.h" 35 36 #include "spdk/nbd.h" 37 38 #include "spdk_internal/event.h" 39 40 static void 41 nbd_subsystem_init(void) 42 { 43 int rc; 44 45 rc = spdk_nbd_init(); 46 47 spdk_subsystem_init_next(rc); 48 } 49 50 static void 51 nbd_subsystem_fini_done(void *arg) 52 { 53 spdk_subsystem_fini_next(); 54 } 55 56 static void 57 nbd_subsystem_fini(void) 58 { 59 spdk_nbd_fini(nbd_subsystem_fini_done, NULL); 60 } 61 62 static void 63 nbd_subsystem_write_config_json(struct spdk_json_write_ctx *w) 64 { 65 spdk_nbd_write_config_json(w); 66 } 67 68 static struct spdk_subsystem g_spdk_subsystem_nbd = { 69 .name = "nbd", 70 .init = nbd_subsystem_init, 71 .fini = nbd_subsystem_fini, 72 .write_config_json = nbd_subsystem_write_config_json, 73 }; 74 75 SPDK_SUBSYSTEM_REGISTER(g_spdk_subsystem_nbd); 76 SPDK_SUBSYSTEM_DEPEND(nbd, bdev) 77