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Diffstat (limited to 'src/spdk/lib/ftl/ftl_trace.h')
| -rw-r--r-- | src/spdk/lib/ftl/ftl_trace.h | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/src/spdk/lib/ftl/ftl_trace.h b/src/spdk/lib/ftl/ftl_trace.h new file mode 100644 index 000000000..52988cff6 --- /dev/null +++ b/src/spdk/lib/ftl/ftl_trace.h @@ -0,0 +1,84 @@ +/*- + * 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_TRACE_H +#define FTL_TRACE_H + +#include "ftl_addr.h" + +#define FTL_TRACE_INVALID_ID ((uint64_t) -1) + +enum ftl_trace_completion { + FTL_TRACE_COMPLETION_INVALID, + FTL_TRACE_COMPLETION_CACHE, + FTL_TRACE_COMPLETION_DISK, +}; + +struct ftl_trace { + /* Monotonically incrementing event id */ + uint64_t id; +}; + +struct spdk_ftl_dev; +struct ftl_trace; +struct ftl_io; +struct ftl_wbuf_entry; +struct ftl_band; + +#if defined(DEBUG) +uint64_t ftl_trace_alloc_id(struct spdk_ftl_dev *dev); +void ftl_trace_defrag_band(struct spdk_ftl_dev *dev, const struct ftl_band *band); +void ftl_trace_write_band(struct spdk_ftl_dev *dev, const struct ftl_band *band); +void ftl_trace_lba_io_init(struct spdk_ftl_dev *dev, const struct ftl_io *io); +void ftl_trace_wbuf_fill(struct spdk_ftl_dev *dev, const struct ftl_io *io); +void ftl_trace_wbuf_pop(struct spdk_ftl_dev *dev, const struct ftl_wbuf_entry *entry); +void ftl_trace_submission(struct spdk_ftl_dev *dev, + const struct ftl_io *io, + struct ftl_addr addr, size_t addr_cnt); +void ftl_trace_completion(struct spdk_ftl_dev *dev, + const struct ftl_io *io, + enum ftl_trace_completion type); +void ftl_trace_limits(struct spdk_ftl_dev *dev, int limit, size_t num_free); +#else /* defined(DEBUG) */ +#define ftl_trace_alloc_id(dev) FTL_TRACE_INVALID_ID +#define ftl_trace_defrag_band(dev, band) +#define ftl_trace_write_band(dev, band) +#define ftl_trace_lba_io_init(dev, io) +#define ftl_trace_wbuf_fill(dev, io) +#define ftl_trace_wbuf_pop(dev, entry) +#define ftl_trace_submission(dev, io, addr, addr_cnt) +#define ftl_trace_completion(dev, io, type) +#define ftl_trace_limits(dev, limits, num_free) +#endif + +#endif /* FTL_TRACE_H */ |