d6a499fec2
Change-Id: Iea6be8156152367c0fd48b8cee8e2ca1e67f340a Signed-off-by: Ben Walker <benjamin.walker@intel.com>
101 lines
3.2 KiB
C
101 lines
3.2 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 SPDK_NVMF_SUBSYSTEM_H
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#define SPDK_NVMF_SUBSYSTEM_H
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#include "spdk/event.h"
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#include "spdk/nvme.h"
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#include "spdk/queue.h"
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struct spdk_nvmf_conn;
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#define MAX_PER_SUBSYSTEM_ACCESS_MAP 2
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#define MAX_NQN_SIZE 255
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struct spdk_nvmf_access_map {
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struct spdk_nvmf_port *port;
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struct spdk_nvmf_host *host;
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};
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/*
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* The NVMf subsystem, as indicated in the specification, is a collection
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* of virtual controller sessions. Any individual controller session has
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* access to all the NVMe device/namespaces maintained by the subsystem.
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*/
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struct spdk_nvmf_subsystem {
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uint16_t num;
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char subnqn[MAX_NQN_SIZE];
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enum spdk_nvmf_subsystem_types subtype;
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struct nvmf_session *session;
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struct spdk_nvme_ctrlr *ctrlr;
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struct spdk_nvme_qpair *io_qpair;
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struct spdk_poller poller;
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int map_count;
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struct spdk_nvmf_access_map map[MAX_PER_SUBSYSTEM_ACCESS_MAP];
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TAILQ_ENTRY(spdk_nvmf_subsystem) entries;
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};
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struct spdk_nvmf_subsystem *
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nvmf_create_subsystem(int num, const char *name,
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enum spdk_nvmf_subsystem_types sub_type,
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uint32_t lcore);
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int
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nvmf_delete_subsystem(struct spdk_nvmf_subsystem *subsystem);
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struct spdk_nvmf_subsystem *
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nvmf_find_subsystem(const char *subnqn);
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int
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nvmf_subsystem_add_ctrlr(struct spdk_nvmf_subsystem *subsystem,
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struct spdk_nvme_ctrlr *ctrlr);
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int
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spdk_nvmf_subsystem_add_map(struct spdk_nvmf_subsystem *subsystem,
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int port_tag, int host_tag);
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int
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spdk_shutdown_nvmf_subsystems(void);
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int
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spdk_add_nvmf_discovery_subsystem(void);
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void
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spdk_format_discovery_log(struct spdk_nvmf_discovery_log_page *disc_log, uint32_t length);
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#endif /* SPDK_NVMF_SUBSYSTEM_H */
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