5fc12ae9e2
There isn't a standardized way to identify Open-Channel SSD, different verdors may have different conditions. Here just take the Qemu simulated OCSSD device as a start. Change-Id: I1aceaac09db438c203875bcf37badd542618bdd7 Signed-off-by: Xiaodong Liu <xiaodong.liu@intel.com> Reviewed-on: https://review.gerrithub.io/411590 Tested-by: SPDK Automated Test System <sys_sgsw@intel.com> Reviewed-by: Ziye Yang <optimistyzy@gmail.com> Reviewed-by: Daniel Verkamp <daniel.verkamp@intel.com> Reviewed-by: Ben Walker <benjamin.walker@intel.com> Reviewed-by: Jakub Radtke <jakub.radtke@intel.com>
81 lines
2.9 KiB
C
81 lines
2.9 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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/**
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* \file
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* NVMe driver public API extension for Open-Channel
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*/
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#ifndef SPDK_NVME_OCSSD_H
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#define SPDK_NVME_OCSSD_H
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#include "spdk/stdinc.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include "spdk/nvme.h"
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#include "spdk/nvme_ocssd_spec.h"
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/**
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* \brief Determine if OpenChannel is supported by the given NVMe controller.
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* \param ctrlr NVMe controller to check.
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*
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* \return true if support OpenChannel
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*/
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bool spdk_nvme_ctrlr_is_ocssd_supported(struct spdk_nvme_ctrlr *ctrlr);
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/**
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* \brief Identify geometry of the given namespace.
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* \param ctrlr NVMe controller to query.
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* \param nsid Id of the given namesapce.
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* \param payload The pointer to the payload buffer.
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* \param payload_size The size of payload buffer. Shall be multiple of 4K.
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* \param cb_fn Callback function to invoke when the feature has been retrieved.
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* \param cb_arg Argument to pass to the callback function.
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*
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* \return 0 if successfully submitted, ENOMEM if resources could not be
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* allocated for this request, EINVAL if wrong payload size.
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*
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*/
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int spdk_nvme_ocssd_ctrlr_cmd_geometry(struct spdk_nvme_ctrlr *ctrlr, uint32_t nsid,
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void *payload, uint32_t payload_size,
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spdk_nvme_cmd_cb cb_fn, void *cb_arg);
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#ifdef __cplusplus
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}
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#endif
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#endif
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