/*- * 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 SPDK_BLOCKDEV_AIO_H #define SPDK_BLOCKDEV_AIO_H #include "spdk/stdinc.h" #include #include "spdk/queue.h" #include "spdk/bdev.h" #include "spdk_internal/bdev.h" struct blockdev_aio_task { struct iocb iocb; uint64_t len; TAILQ_ENTRY(blockdev_aio_task) link; }; struct blockdev_aio_io_channel { io_context_t io_ctx; long queue_depth; struct io_event *events; struct spdk_bdev_poller *poller; }; struct file_disk { struct spdk_bdev disk; const char *file; int fd; uint64_t size; /** * For storing I/O that were completed synchronously, and will be * completed during next check_io call. */ TAILQ_HEAD(, blockdev_aio_task) sync_completion_list; }; struct spdk_bdev *create_aio_disk(const char *name, const char *fname); #endif // SPDK_BLOCKDEV_AIO_H