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/*-
* BSD LICENSE
*
* Copyright (c) Intel Corporation.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Intel Corporation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "spdk/nvme_ocssd.h"
#include "nvme_internal.h"
bool
spdk_nvme_ctrlr_is_ocssd_supported(struct spdk_nvme_ctrlr *ctrlr)
{
if (ctrlr->quirks & NVME_QUIRK_OCSSD) {
/* TODO: There isn't a standardized way to identify Open-Channel SSD
* different verdors may have different conditions.
*/
/*
* Current QEMU OpenChannel Device needs to check nsdata->vs[0].
* Here check nsdata->vs[0] of the first namespace.
*/
if (ctrlr->cdata.vid == SPDK_PCI_VID_CNEXLABS) {
if (ctrlr->num_ns && ctrlr->nsdata[0].vendor_specific[0] == 0x1) {
return true;
}
}
}
return false;
}
int
spdk_nvme_ocssd_ctrlr_cmd_geometry(struct spdk_nvme_ctrlr *ctrlr, uint32_t nsid,
void *payload, uint32_t payload_size,
spdk_nvme_cmd_cb cb_fn, void *cb_arg)
{
struct nvme_request *req;
struct spdk_nvme_cmd *cmd;
int rc;
if (!payload || (payload_size != sizeof(struct spdk_ocssd_geometry_data))) {
return -EINVAL;
}
nvme_robust_mutex_lock(&ctrlr->ctrlr_lock);
req = nvme_allocate_request_user_copy(ctrlr->adminq,
payload, payload_size, cb_fn, cb_arg, false);
if (req == NULL) {
nvme_robust_mutex_unlock(&ctrlr->ctrlr_lock);
return -ENOMEM;
}
cmd = &req->cmd;
cmd->opc = SPDK_OCSSD_OPC_GEOMETRY;
cmd->nsid = nsid;
rc = nvme_ctrlr_submit_admin_request(ctrlr, req);
nvme_robust_mutex_unlock(&ctrlr->ctrlr_lock);
return rc;
}
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