1 files changed, 88 insertions, 0 deletions
diff --git a/src/spdk/lib/nvme/nvme_ctrlr_ocssd_cmd.c b/src/spdk/lib/nvme/nvme_ctrlr_ocssd_cmd.c
new file mode 100644
index 000000000..2eba219ce
--- /dev/null
+++ b/src/spdk/lib/nvme/nvme_ctrlr_ocssd_cmd.c
@@ -0,0 +1,88 @@
+/*-
+ *   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;
+}