numam-spdk/lib/ftl/ftl_anm.h
Wojciech Malikowski 42b287e661 lib/ftl: Make ANM device unregister asynchronous
We need to wait for ANV event completions when
unregistering device.

Change-Id: I872297da98405f16804a6fa1eb1149f0ee55b00c
Signed-off-by: Wojciech Malikowski <wojciech.malikowski@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/468600
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Konrad Sztyber <konrad.sztyber@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Tomasz Zawadzki <tomasz.zawadzki@intel.com>
2019-10-01 14:47:50 +00:00

71 lines
2.4 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.
*/
#ifndef FTL_ANM_H
#define FTL_ANM_H
#include "spdk/thread.h"
#include "ftl_ppa.h"
struct ftl_nvme_ctrlr;
struct ftl_anm_event;
struct spdk_ftl_dev;
typedef void (*ftl_anm_fn)(struct ftl_anm_event *event);
enum ftl_anm_range {
FTL_ANM_RANGE_LBK,
FTL_ANM_RANGE_CHK,
FTL_ANM_RANGE_PU,
FTL_ANM_RANGE_MAX,
};
struct ftl_anm_event {
/* Owner device */
struct spdk_ftl_dev *dev;
/* Start PPA */
struct ftl_ppa ppa;
/* Number of logical blocks */
size_t num_lbks;
};
int ftl_anm_init(struct spdk_thread *thread, spdk_ftl_fn cb, void *cb_arg);
int ftl_anm_free(spdk_ftl_fn cb, void *cb_arg);
int ftl_anm_register_device(struct spdk_ftl_dev *dev, ftl_anm_fn fn);
int ftl_anm_unregister_device(struct spdk_ftl_dev *dev, spdk_ftl_fn cb);
void ftl_anm_event_complete(struct ftl_anm_event *event);
#endif /* FTL_ANM_H */