8b79ef3372
Now rely entirely on the user to create and poll the poll groups. Change-Id: I66baaa2d0f493390a055a32e6c902f5e2f574534 Signed-off-by: Ben Walker <benjamin.walker@intel.com> Reviewed-on: https://review.gerrithub.io/385954 Reviewed-by: Daniel Verkamp <daniel.verkamp@intel.com> Tested-by: SPDK Automated Test System <sys_sgsw@intel.com> Reviewed-by: Changpeng Liu <changpeng.liu@intel.com> Reviewed-by: Jim Harris <james.r.harris@intel.com>
118 lines
3.4 KiB
C
118 lines
3.4 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/event.h"
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struct rpc_listen_address {
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char *transport;
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char *adrfam;
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char *traddr;
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char *trsvcid;
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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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};
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struct nvmf_tgt_subsystem {
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struct spdk_nvmf_subsystem *subsystem;
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TAILQ_ENTRY(nvmf_tgt_subsystem) tailq;
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uint32_t lcore;
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};
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enum nvmf_tgt_state {
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NVMF_TGT_INIT_NONE = 0,
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NVMF_TGT_INIT_PARSE_CONFIG,
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NVMF_TGT_INIT_CREATE_POLL_GROUPS,
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NVMF_TGT_INIT_START_ACCEPTOR,
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NVMF_TGT_RUNNING,
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NVMF_TGT_FINI_STOP_ACCEPTOR,
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NVMF_TGT_FINI_DESTROY_POLL_GROUPS,
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NVMF_TGT_FINI_SHUTDOWN_SUBSYSTEMS,
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NVMF_TGT_FINI_FREE_RESOURCES,
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NVMF_TGT_STOPPED,
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NVMF_TGT_ERROR,
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};
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struct nvmf_tgt {
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enum nvmf_tgt_state state;
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struct spdk_nvmf_tgt *tgt;
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uint32_t core; /* Round-robin tracking of cores for qpair assignment */
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};
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extern struct spdk_nvmf_tgt_conf g_spdk_nvmf_tgt_conf;
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extern struct nvmf_tgt g_tgt;
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struct nvmf_tgt_subsystem *
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nvmf_tgt_subsystem_first(void);
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struct nvmf_tgt_subsystem *
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nvmf_tgt_subsystem_next(struct nvmf_tgt_subsystem *subsystem);
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int spdk_nvmf_parse_conf(void);
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struct nvmf_tgt_subsystem *nvmf_tgt_create_subsystem(const char *name,
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enum spdk_nvmf_subtype subtype, uint32_t num_ns,
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uint32_t lcore);
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struct spdk_nvmf_ns_params {
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char *bdev_name;
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uint32_t nsid;
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};
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int
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spdk_nvmf_construct_subsystem(const char *name,
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int32_t lcore,
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int num_listen_addresses, struct rpc_listen_address *addresses,
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int num_hosts, char *hosts[], bool allow_any_host,
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const char *sn, size_t num_ns, struct spdk_nvmf_ns_params *ns_list);
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int
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nvmf_tgt_shutdown_subsystem_by_nqn(const char *nqn);
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int spdk_nvmf_tgt_start(struct spdk_app_opts *opts);
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#endif
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