47c7470dbf
Prepare to insert ioctl related struct and funcs into lib/bdev/nvme. This is the start of one set of patches for nvme ioctl. More details will be put in Trello: https://trello.com/c/UYL5vhTN/50-nvme-userioctl Change-Id: I5fc97230400ecab79f19dac4fb2badfd2d337f6c Signed-off-by: Liu Xiaodong <xiaodong.liu@intel.com> Reviewed-on: https://review.gerrithub.io/412781 Tested-by: SPDK Automated Test System <sys_sgsw@intel.com> Reviewed-by: Daniel Verkamp <daniel.verkamp@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>
76 lines
2.6 KiB
C
76 lines
2.6 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_BDEV_NVME_H
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#define SPDK_BDEV_NVME_H
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#include "spdk/stdinc.h"
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#include "spdk/queue.h"
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#include "spdk/nvme.h"
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#include "spdk/bdev_module.h"
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#define NVME_MAX_CONTROLLERS 1024
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struct nvme_ctrlr {
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/**
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* points to pinned, physically contiguous memory region;
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* contains 4KB IDENTIFY structure for controller which is
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* target for CONTROLLER IDENTIFY command during initialization
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*/
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struct spdk_nvme_ctrlr *ctrlr;
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struct spdk_nvme_transport_id trid;
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char *name;
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int ref;
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struct spdk_poller *adminq_timer_poller;
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/** linked list pointer for device list */
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TAILQ_ENTRY(nvme_ctrlr) tailq;
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};
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struct nvme_bdev {
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struct spdk_bdev disk;
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struct nvme_ctrlr *nvme_ctrlr;
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struct spdk_nvme_ns *ns;
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TAILQ_ENTRY(nvme_bdev) link;
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};
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int spdk_bdev_nvme_create(struct spdk_nvme_transport_id *trid,
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const char *base_name,
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const char **names, size_t *count);
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struct spdk_nvme_ctrlr *spdk_bdev_nvme_get_ctrlr(struct spdk_bdev *bdev);
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#endif // SPDK_BDEV_NVME_H
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