diff options
Diffstat (limited to 'src/spdk/include/spdk_internal/lvolstore.h')
| -rw-r--r-- | src/spdk/include/spdk_internal/lvolstore.h | 124 |
1 files changed, 124 insertions, 0 deletions
diff --git a/src/spdk/include/spdk_internal/lvolstore.h b/src/spdk/include/spdk_internal/lvolstore.h new file mode 100644 index 00000000..064bad5d --- /dev/null +++ b/src/spdk/include/spdk_internal/lvolstore.h @@ -0,0 +1,124 @@ +/*- + * 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/bdev_module.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; + size_t sz; + struct spdk_io_channel *channel; + 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; + int lvol_count; + int lvols_opened; + bool destruct; + TAILQ_HEAD(, spdk_lvol) lvols; + TAILQ_HEAD(, spdk_lvol) pending_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; + 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 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); + +void spdk_lvol_resize(struct spdk_lvol *lvol, uint64_t sz, spdk_lvol_op_complete cb_fn, + void *cb_arg); + +#endif /* SPDK_INTERNAL_LVOLSTORE_H */ |