31d033f944
Create one transport per nvmf target. Today, there is just one global nvmf target, but this paves the way for multiple. Change-Id: Iaa1f8c5e7b3c1e87621ef2a636c68c2dd8fd929e Signed-off-by: Ben Walker <benjamin.walker@intel.com> Reviewed-on: https://review.gerrithub.io/371748 Reviewed-by: Daniel Verkamp <daniel.verkamp@intel.com> Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
115 lines
4.0 KiB
C
115 lines
4.0 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 "spdk/stdinc.h"
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#include "spdk/nvmf.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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#include "spdk/util.h"
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#define SPDK_NVMF_DEFAULT_NUM_CTRLRS_PER_LCORE 1
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struct spdk_nvmf_ctrlr_ops {
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/**
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* Initialize the controller.
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*/
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int (*attach)(struct spdk_nvmf_subsystem *subsystem);
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/**
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* Get NVMe identify controller data.
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*/
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void (*ctrlr_get_data)(struct spdk_nvmf_ctrlr *ctrlr);
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/**
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* Process admin command.
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*/
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int (*process_admin_cmd)(struct spdk_nvmf_request *req);
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/**
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* Process IO command.
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*/
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int (*process_io_cmd)(struct spdk_nvmf_request *req);
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/**
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* Poll for completions.
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*/
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void (*poll_for_completions)(struct spdk_nvmf_subsystem *subsystem);
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/**
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* Detach the controller.
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*/
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void (*detach)(struct spdk_nvmf_subsystem *subsystem);
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};
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struct spdk_nvmf_tgt {
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uint16_t max_queue_depth;
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uint16_t max_qpairs_per_ctrlr;
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uint32_t in_capsule_data_size;
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uint32_t max_io_size;
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uint64_t discovery_genctr;
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TAILQ_HEAD(, spdk_nvmf_subsystem) subsystems;
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struct spdk_nvmf_discovery_log_page *discovery_log_page;
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size_t discovery_log_page_size;
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TAILQ_HEAD(, spdk_nvmf_listen_addr) listen_addrs;
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uint32_t current_subsystem_id;
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TAILQ_HEAD(, spdk_nvmf_transport) transports;
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};
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extern struct spdk_nvmf_tgt g_nvmf_tgt;
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struct spdk_nvmf_listen_addr *spdk_nvmf_listen_addr_create(struct spdk_nvme_transport_id *trid);
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void spdk_nvmf_listen_addr_destroy(struct spdk_nvmf_listen_addr *addr);
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struct spdk_nvmf_transport *spdk_nvmf_tgt_get_transport(struct spdk_nvmf_tgt *tgt,
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enum spdk_nvme_transport_type);
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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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#endif /* __NVMF_INTERNAL_H__ */
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