8a23223e1b
Users can specify the core for each subsystem and the acceptor listen routine to run on different cores for performance consideration. Change-Id: I4bd1a96f39194c870863b4b778e6ea7cf8fc1a2d Signed-off-by: Changpeng Liu <changpeng.liu@intel.com>
94 lines
3.3 KiB
C
94 lines
3.3 KiB
C
/*-
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* BSD LICENSE
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*
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* Copyright (c) Intel Corporation.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Intel Corporation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef __NVMF_INTERNAL_H__
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#define __NVMF_INTERNAL_H__
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#include <stdbool.h>
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#include <stdlib.h>
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#include <string.h>
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#include <stdio.h>
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#include "spdk/nvmf_spec.h"
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#include "spdk/assert.h"
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#include "spdk/queue.h"
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#define nvmf_min(a,b) (((a)<(b))?(a):(b))
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#define nvmf_max(a,b) (((a)>(b))?(a):(b))
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#define SPDK_NVMF_DEFAULT_NUM_SESSIONS_PER_LCORE 1
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#define SPDK_NVMF_DEFAULT_SIN_PORT ((uint16_t)4420)
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#define OBJECT_NVMF_IO 0x30
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#define TRACE_GROUP_NVMF 0x3
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#define TRACE_NVMF_IO_START SPDK_TPOINT_ID(TRACE_GROUP_NVMF, 0x0)
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#define TRACE_RDMA_READ_START SPDK_TPOINT_ID(TRACE_GROUP_NVMF, 0x1)
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#define TRACE_RDMA_WRITE_START SPDK_TPOINT_ID(TRACE_GROUP_NVMF, 0x2)
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#define TRACE_RDMA_READ_COMPLETE SPDK_TPOINT_ID(TRACE_GROUP_NVMF, 0x3)
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#define TRACE_RDMA_WRITE_COMPLETE SPDK_TPOINT_ID(TRACE_GROUP_NVMF, 0x4)
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#define TRACE_NVMF_LIB_READ_START SPDK_TPOINT_ID(TRACE_GROUP_NVMF, 0x5)
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#define TRACE_NVMF_LIB_WRITE_START SPDK_TPOINT_ID(TRACE_GROUP_NVMF, 0x6)
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#define TRACE_NVMF_LIB_COMPLETE SPDK_TPOINT_ID(TRACE_GROUP_NVMF, 0x7)
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#define TRACE_NVMF_IO_COMPLETE SPDK_TPOINT_ID(TRACE_GROUP_NVMF, 0x8)
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struct spdk_nvmf_globals {
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uint16_t max_queue_depth;
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uint16_t max_queues_per_session;
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uint32_t in_capsule_data_size;
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uint32_t max_io_size;
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uint32_t acceptor_lcore;
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uint16_t sin_port;
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};
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int nvmf_tgt_init(uint16_t max_queue_depth, uint16_t max_conn_per_sess,
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uint32_t in_capsule_data_size, uint32_t max_io_size,
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uint32_t acceptor_lcore);
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static inline uint32_t
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nvmf_u32log2(uint32_t x)
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{
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if (x == 0) {
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/* __builtin_clz(0) is undefined, so just bail */
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return 0;
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}
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return 31u - __builtin_clz(x);
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}
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extern struct spdk_nvmf_globals g_nvmf_tgt;
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#endif /* __NVMF_INTERNAL_H__ */
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