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diff --git a/src/spdk/lib/nvme/nvme_uevent.h b/src/spdk/lib/nvme/nvme_uevent.h
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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.
+ */
+
+/** \file
+ * SPDK uevent
+ */
+
+#include "spdk/env.h"
+#include "spdk/nvmf_spec.h"
+
+#ifndef SPDK_UEVENT_H_
+#define SPDK_UEVENT_H_
+
+#define SPDK_NVME_UEVENT_SUBSYSTEM_UIO 1
+#define SPDK_NVME_UEVENT_SUBSYSTEM_VFIO 2
+
+enum spdk_nvme_uevent_action {
+ SPDK_NVME_UEVENT_ADD = 0,
+ SPDK_NVME_UEVENT_REMOVE = 1,
+};
+
+struct spdk_uevent {
+ enum spdk_nvme_uevent_action action;
+ int subsystem;
+ char traddr[SPDK_NVMF_TRADDR_MAX_LEN + 1];
+};
+
+int nvme_uevent_connect(void);
+int nvme_get_uevent(int fd, struct spdk_uevent *uevent);
+
+#endif /* SPDK_UEVENT_H_ */