/*-
 *   BSD LICENSE
 *
 *   Copyright (c) Intel Corporation.
 *   All rights reserved.
 *
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 *   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.
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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.
 */

#ifndef __NVMF_INTERNAL_H__
#define __NVMF_INTERNAL_H__

#include <stdbool.h>
#include <stdlib.h>
#include <string.h>
#include <stdio.h>

#include "spdk/nvmf_spec.h"
#include "spdk/assert.h"
#include "spdk/queue.h"

#define SPDK_NVMF_DEFAULT_NUM_SESSIONS_PER_LCORE 1

#define OBJECT_NVMF_IO				0x30

#define TRACE_GROUP_NVMF			0x3
#define TRACE_NVMF_IO_START			SPDK_TPOINT_ID(TRACE_GROUP_NVMF, 0x0)
#define TRACE_RDMA_READ_START			SPDK_TPOINT_ID(TRACE_GROUP_NVMF, 0x1)
#define TRACE_RDMA_WRITE_START			SPDK_TPOINT_ID(TRACE_GROUP_NVMF, 0x2)
#define TRACE_RDMA_READ_COMPLETE      		SPDK_TPOINT_ID(TRACE_GROUP_NVMF, 0x3)
#define TRACE_RDMA_WRITE_COMPLETE		SPDK_TPOINT_ID(TRACE_GROUP_NVMF, 0x4)
#define TRACE_NVMF_LIB_READ_START		SPDK_TPOINT_ID(TRACE_GROUP_NVMF, 0x5)
#define TRACE_NVMF_LIB_WRITE_START		SPDK_TPOINT_ID(TRACE_GROUP_NVMF, 0x6)
#define TRACE_NVMF_LIB_COMPLETE			SPDK_TPOINT_ID(TRACE_GROUP_NVMF, 0x7)
#define TRACE_NVMF_IO_COMPLETE			SPDK_TPOINT_ID(TRACE_GROUP_NVMF, 0x8)

struct spdk_nvmf_globals {
	uint16_t max_queue_depth;
	uint16_t max_queues_per_session;

	uint32_t in_capsule_data_size;
	uint32_t max_io_size;
};

static inline uint32_t
nvmf_u32log2(uint32_t x)
{
	if (x == 0) {
		/* __builtin_clz(0) is undefined, so just bail */
		return 0;
	}
	return 31u - __builtin_clz(x);
}

extern struct spdk_nvmf_globals g_nvmf_tgt;

#endif /* __NVMF_INTERNAL_H__ */