numam-spdk/include/spdk_internal/lvolstore.h
Sebastian Basierski f5e590c8f2 bdev: Added functions allowing logical volume store rename.
Change-Id: Ief1f809308fbde2e696c60d3ce79c0720cb3e2ff
Signed-off-by: Sebastian Basierski <sebastianx.basierski@intel.com>
Reviewed-on: https://review.gerrithub.io/398934
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Daniel Verkamp <daniel.verkamp@intel.com>
Reviewed-by: Tomasz Zawadzki <tomasz.zawadzki@intel.com>
2018-03-08 11:26:16 -05:00

125 lines
3.8 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 SPDK_INTERNAL_LVOLSTORE_H
#define SPDK_INTERNAL_LVOLSTORE_H
#include "spdk/blob.h"
#include "spdk/lvol.h"
#include "spdk/uuid.h"
#include "spdk_internal/bdev.h"
/* Default size of blobstore cluster */
#define SPDK_LVS_OPTS_CLUSTER_SZ (4 * 1024 * 1024)
struct spdk_lvs_req {
spdk_lvs_op_complete cb_fn;
void *cb_arg;
struct spdk_lvol_store *lvol_store;
int lvserrno;
};
struct spdk_lvol_req {
spdk_lvol_op_complete cb_fn;
void *cb_arg;
struct spdk_lvol *lvol;
char name[SPDK_LVOL_NAME_MAX];
};
struct spdk_lvs_with_handle_req {
spdk_lvs_op_with_handle_complete cb_fn;
void *cb_arg;
struct spdk_lvol_store *lvol_store;
struct spdk_bs_dev *bs_dev;
struct spdk_bdev *base_bdev;
int lvserrno;
};
struct spdk_lvs_destroy_req {
spdk_lvs_op_complete cb_fn;
void *cb_arg;
struct spdk_lvol_store *lvs;
};
struct spdk_lvol_with_handle_req {
spdk_lvol_op_with_handle_complete cb_fn;
void *cb_arg;
struct spdk_lvol *lvol;
};
struct spdk_lvol_store {
struct spdk_bs_dev *bs_dev;
struct spdk_blob_store *blobstore;
struct spdk_blob *super_blob;
spdk_blob_id super_blob_id;
struct spdk_uuid uuid;
struct spdk_lvs_req *destruct_req;
int lvol_count;
int lvols_opened;
bool destruct;
TAILQ_HEAD(, spdk_lvol) lvols;
bool on_list;
TAILQ_ENTRY(spdk_lvol_store) link;
char name[SPDK_LVS_NAME_MAX];
char new_name[SPDK_LVS_NAME_MAX];
};
struct spdk_lvol {
struct spdk_lvol_store *lvol_store;
struct spdk_blob *blob;
uint64_t num_clusters;
spdk_blob_id blob_id;
char *unique_id;
char name[SPDK_LVOL_NAME_MAX];
struct spdk_uuid uuid;
char uuid_str[SPDK_UUID_STRING_LEN];
bool close_only;
bool thin_provision;
struct spdk_bdev *bdev;
int ref_count;
bool action_in_progress;
TAILQ_ENTRY(spdk_lvol) link;
};
struct lvol_task {
enum spdk_bdev_io_status status;
};
struct lvol_store_bdev *vbdev_lvol_store_first(void);
struct lvol_store_bdev *vbdev_lvol_store_next(struct lvol_store_bdev *prev);
int spdk_lvol_resize(struct spdk_lvol *lvol, uint64_t sz, spdk_lvol_op_complete cb_fn,
void *cb_arg);
#endif /* SPDK_INTERNAL_LVOLSTORE_H */