750a4213ef
This patch is used to do the following work: 1 It is optimized for NVMe/TCP transport. If the qpair's socket has same NAPI_ID, then the qpair will be handled by the same polling group. 2. We add a new connection scheduling strategy, named as ConnectionScheduler in the configuration file. It will be used to input different scheduler according to the customers' input. Signed-off-by: Ziye Yang <ziye.yang@intel.com> Change-Id: Ifc9246eece0da69bdd39fd63bfdefff18be64132 Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/454550 Tested-by: SPDK CI Jenkins <sys_sgci@intel.com> Reviewed-by: Ben Walker <benjamin.walker@intel.com> Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com> Reviewed-by: Changpeng Liu <changpeng.liu@intel.com>
70 lines
2.4 KiB
C
70 lines
2.4 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_TGT_H
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#define NVMF_TGT_H
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#include "spdk/stdinc.h"
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#include "spdk/nvmf.h"
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#include "spdk/queue.h"
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#include "spdk_internal/event.h"
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#include "spdk_internal/log.h"
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#define ACCEPT_TIMEOUT_US 10000 /* 10ms */
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#define DEFAULT_CONN_SCHED CONNECT_SCHED_ROUND_ROBIN
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enum spdk_nvmf_connect_sched {
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CONNECT_SCHED_ROUND_ROBIN = 0,
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CONNECT_SCHED_HOST_IP,
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CONNECT_SCHED_TRANSPORT_OPTIMAL_GROUP,
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};
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struct spdk_nvmf_tgt_conf {
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uint32_t acceptor_poll_rate;
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enum spdk_nvmf_connect_sched conn_sched;
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};
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extern struct spdk_nvmf_tgt_conf *g_spdk_nvmf_tgt_conf;
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extern uint32_t g_spdk_nvmf_tgt_max_subsystems;
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extern struct spdk_nvmf_tgt *g_spdk_nvmf_tgt;
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typedef void (*spdk_nvmf_parse_conf_done_fn)(int status);
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int spdk_nvmf_parse_conf(spdk_nvmf_parse_conf_done_fn cb_fn);
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#endif
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