94 lines
1.9 KiB
C
94 lines
1.9 KiB
C
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/* SPDX-License-Identifier: BSD-3-Clause
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* Copyright (c) Intel Corporation.
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* All rights reserved.
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*/
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#ifndef FTL_CORE_H
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#define FTL_CORE_H
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#include "spdk/stdinc.h"
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#include "spdk/uuid.h"
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#include "spdk/thread.h"
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#include "spdk/util.h"
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#include "spdk/likely.h"
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#include "spdk/queue.h"
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#include "spdk/ftl.h"
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#include "spdk/bdev.h"
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#include "spdk/bdev_zone.h"
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#include "spdk/log.h"
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struct spdk_ftl_dev {
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/* Device instance */
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struct spdk_uuid uuid;
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/* Device name */
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char *name;
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/* Underlying device */
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struct spdk_bdev_desc *base_bdev_desc;
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/* Cache device */
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struct spdk_bdev_desc *cache_bdev_desc;
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/* Cache VSS metadata size */
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uint64_t cache_md_size;
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/* Cached properties of the underlying device */
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uint64_t num_blocks_in_band;
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uint64_t num_zones_in_band;
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uint64_t num_blocks_in_zone;
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bool is_zoned;
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/* Indicates the device is fully initialized */
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bool initialized;
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/* Indicates the device is about to be stopped */
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bool halt;
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/* counters for poller busy, include
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1. nv cache read/write
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2. metadata read/write
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3. base bdev read/write */
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uint64_t io_activity_total;
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/* Number of operational bands */
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uint64_t num_bands;
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/* Number of free bands */
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uint64_t num_free;
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/* Size of the l2p table */
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uint64_t num_lbas;
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/* Metadata size */
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uint64_t md_size;
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/* Transfer unit size */
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uint64_t xfer_size;
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/* Inflight IO operations */
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uint32_t num_inflight;
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/* Thread on which the poller is running */
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struct spdk_thread *core_thread;
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/* IO channel to the FTL device, used for internal management operations
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* consuming FTL's external API
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*/
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struct spdk_io_channel *ioch;
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/* Underlying device IO channel */
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struct spdk_io_channel *base_ioch;
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/* Cache IO channel */
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struct spdk_io_channel *cache_ioch;
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/* Read submission queue */
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TAILQ_HEAD(, ftl_io) rd_sq;
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/* Write submission queue */
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TAILQ_HEAD(, ftl_io) wr_sq;
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};
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#endif /* FTL_CORE_H */
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