/*-
 *   BSD LICENSE
 *
 *   Copyright (c) Intel Corporation.
 *   All rights reserved.
 *
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 *   modification, are permitted provided that the following conditions
 *   are met:
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 *     * 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.
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 *       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
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 *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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 *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#include "spdk/ftl.h"

static struct spdk_ftl_dev *
test_init_ftl_dev(const struct spdk_ocssd_geometry_data *geo,
		  const struct spdk_ftl_punit_range *range)
{
	struct spdk_ftl_dev *dev;
	unsigned int punit;

	dev = calloc(1, sizeof(*dev));
	SPDK_CU_ASSERT_FATAL(dev != NULL);

	dev->xfer_size = geo->ws_opt;
	dev->geo = *geo;
	dev->range = *range;

	dev->bands = calloc(geo->num_chk, sizeof(*dev->bands));
	SPDK_CU_ASSERT_FATAL(dev->bands != NULL);

	dev->punits = calloc(ftl_dev_num_punits(dev), sizeof(*dev->punits));
	SPDK_CU_ASSERT_FATAL(dev->punits != NULL);

	for (size_t i = 0; i < ftl_dev_num_punits(dev); ++i) {
		punit = range->begin + i;
		dev->punits[i].dev = dev;
		dev->punits[i].start_ppa.grp = punit % geo->num_grp;
		dev->punits[i].start_ppa.pu = punit / geo->num_grp;
	}

	return dev;
}

static struct ftl_band *
test_init_ftl_band(struct spdk_ftl_dev *dev, size_t id)
{
	struct ftl_band *band;
	struct ftl_chunk *chunk;

	SPDK_CU_ASSERT_FATAL(dev != NULL);
	SPDK_CU_ASSERT_FATAL(id < dev->geo.num_chk);

	band = &dev->bands[id];
	band->dev = dev;
	band->id = id;
	CIRCLEQ_INIT(&band->chunks);

	band->md.vld_map = spdk_bit_array_create(ftl_num_band_lbks(dev));
	SPDK_CU_ASSERT_FATAL(band->md.vld_map != NULL);

	band->chunk_buf = calloc(ftl_dev_num_punits(dev), sizeof(*band->chunk_buf));
	SPDK_CU_ASSERT_FATAL(band->chunk_buf != NULL);

	for (size_t i = 0; i < ftl_dev_num_punits(dev); ++i) {
		chunk = &band->chunk_buf[i];
		chunk->pos = i;
		chunk->state = FTL_CHUNK_STATE_CLOSED;
		chunk->punit = &dev->punits[i];
		chunk->start_ppa = dev->punits[i].start_ppa;
		chunk->start_ppa.chk = band->id;
		CIRCLEQ_INSERT_TAIL(&band->chunks, chunk, circleq);
		band->num_chunks++;
	}

	pthread_spin_init(&band->md.lock, PTHREAD_PROCESS_PRIVATE);
	return band;
}

static void
test_free_ftl_dev(struct spdk_ftl_dev *dev)
{
	SPDK_CU_ASSERT_FATAL(dev != NULL);
	free(dev->punits);
	free(dev->bands);
	free(dev);
}

static void
test_free_ftl_band(struct ftl_band *band)
{
	SPDK_CU_ASSERT_FATAL(band != NULL);
	spdk_bit_array_free(&band->md.vld_map);
	free(band->chunk_buf);
	free(band->md.lba_map);
}