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>
84 lines
2.9 KiB
C
84 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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#include "spdk/nvme_ocssd.h"
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#include "nvme_internal.h"
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bool
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spdk_nvme_ctrlr_is_ocssd_supported(struct spdk_nvme_ctrlr *ctrlr)
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{
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if (ctrlr->quirks & NVME_QUIRK_OCSSD) {
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// TODO: There isn't a standardized way to identify Open-Channel SSD
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// different verdors may have different conditions.
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/*
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* Current QEMU OpenChannel Device needs to check nsdata->vs[0].
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* Here check nsdata->vs[0] of the first namespace.
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*/
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if (ctrlr->cdata.vid == SPDK_PCI_VID_CNEXLABS) {
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if (ctrlr->num_ns && ctrlr->nsdata[0].vendor_specific[0] == 0x1) {
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return true;
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}
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}
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}
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return false;
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}
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int
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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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{
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struct nvme_request *req;
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struct spdk_nvme_cmd *cmd;
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if (!payload || (payload_size != sizeof(struct spdk_ocssd_geometry_data))) {
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return -EINVAL;
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}
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nvme_robust_mutex_lock(&ctrlr->ctrlr_lock);
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req = nvme_allocate_request_user_copy(ctrlr->adminq,
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payload, payload_size, cb_fn, cb_arg, false);
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if (req == NULL) {
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return -ENOMEM;
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}
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cmd = &req->cmd;
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cmd->opc = SPDK_OCSSD_OPC_GEOMETRY;
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cmd->nsid = nsid;
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nvme_robust_mutex_unlock(&ctrlr->ctrlr_lock);
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return nvme_ctrlr_submit_admin_request(ctrlr, req);
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}
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