numam-spdk/include/spdk/copy_engine.h
Daniel Verkamp 945217d2b2 copy_engine: split internals into spdk_internal
Change-Id: I3102e9761888c5afdc20d1a1abc9abf50484233d
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
2016-11-16 14:44:35 -07:00

57 lines
2.3 KiB
C

/*-
* 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.
*/
/** \file
* Memory copy offload engine abstraction layer
*/
#ifndef SPDK_COPY_ENGINE_H
#define SPDK_COPY_ENGINE_H
#include <stdint.h>
typedef void (*spdk_copy_completion_cb)(void *ref, int status);
struct spdk_io_channel;
struct spdk_copy_task;
struct spdk_io_channel *spdk_copy_engine_get_io_channel(uint32_t priority);
int64_t spdk_copy_submit(struct spdk_copy_task *copy_req, struct spdk_io_channel *ch, void *dst,
void *src, uint64_t nbytes, spdk_copy_completion_cb cb);
int64_t spdk_copy_submit_fill(struct spdk_copy_task *copy_req, struct spdk_io_channel *ch,
void *dst, uint8_t fill, uint64_t nbytes, spdk_copy_completion_cb cb);
int spdk_copy_module_get_max_ctx_size(void);
#endif