526cd58003
Change-Id: Ice343afdc84c2a11cd9026d128a35f7a62aa7125 Signed-off-by: Sebastian Basierski <sebastianx.basierski@intel.com> Reviewed-on: https://review.gerrithub.io/398933 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> Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
124 lines
3.7 KiB
C
124 lines
3.7 KiB
C
/*-
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* BSD LICENSE
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*
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* Copyright (c) Intel Corporation.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Intel Corporation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef SPDK_INTERNAL_LVOLSTORE_H
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#define SPDK_INTERNAL_LVOLSTORE_H
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#include "spdk/blob.h"
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#include "spdk/lvol.h"
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#include "spdk_internal/bdev.h"
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#include <uuid/uuid.h>
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/* Default size of blobstore cluster */
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#define SPDK_LVS_OPTS_CLUSTER_SZ (4 * 1024 * 1024)
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/* Length of string returned from uuid_unparse() */
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#define UUID_STRING_LEN 37
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struct spdk_lvs_req {
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spdk_lvs_op_complete cb_fn;
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void *cb_arg;
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};
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struct spdk_lvol_req {
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spdk_lvol_op_complete cb_fn;
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void *cb_arg;
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struct spdk_lvol *lvol;
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char name[SPDK_LVOL_NAME_MAX];
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};
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struct spdk_lvs_with_handle_req {
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spdk_lvs_op_with_handle_complete cb_fn;
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void *cb_arg;
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struct spdk_lvol_store *lvol_store;
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struct spdk_bs_dev *bs_dev;
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struct spdk_bdev *base_bdev;
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int lvserrno;
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};
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struct spdk_lvs_destroy_req {
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spdk_lvs_op_complete cb_fn;
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void *cb_arg;
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struct spdk_lvol_store *lvs;
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};
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struct spdk_lvol_with_handle_req {
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spdk_lvol_op_with_handle_complete cb_fn;
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void *cb_arg;
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struct spdk_lvol *lvol;
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};
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struct spdk_lvol_store {
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struct spdk_bs_dev *bs_dev;
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struct spdk_blob_store *blobstore;
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struct spdk_blob *super_blob;
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spdk_blob_id super_blob_id;
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uuid_t uuid;
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struct spdk_lvs_req *destruct_req;
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int lvol_count;
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int lvols_opened;
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bool destruct;
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TAILQ_HEAD(, spdk_lvol) lvols;
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bool on_list;
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TAILQ_ENTRY(spdk_lvol_store) link;
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char name[SPDK_LVS_NAME_MAX];
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};
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struct spdk_lvol {
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struct spdk_lvol_store *lvol_store;
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struct spdk_blob *blob;
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uint64_t num_clusters;
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spdk_blob_id blob_id;
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char *unique_id;
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char name[SPDK_LVOL_NAME_MAX];
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bool close_only;
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bool thin_provision;
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struct spdk_bdev *bdev;
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int ref_count;
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bool action_in_progress;
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TAILQ_ENTRY(spdk_lvol) link;
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};
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struct lvol_task {
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enum spdk_bdev_io_status status;
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};
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struct lvol_store_bdev *vbdev_lvol_store_first(void);
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struct lvol_store_bdev *vbdev_lvol_store_next(struct lvol_store_bdev *prev);
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int spdk_lvol_resize(struct spdk_lvol *lvol, uint64_t sz, spdk_lvol_op_complete cb_fn,
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void *cb_arg);
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#endif /* SPDK_INTERNAL_LVOLSTORE_H */
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