ceph/src/spdk/lib/nvme/nvme_uevent.h

   1 /*-
   2  *   BSD LICENSE
   3  *
   4  *   Copyright (c) Intel Corporation.
   5  *   All rights reserved.
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   7  *   Redistribution and use in source and binary forms, with or without
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  11  *     * Redistributions of source code must retain the above copyright
  12  *       notice, this list of conditions and the following disclaimer.
  13  *     * Redistributions in binary form must reproduce the above copyright
  14  *       notice, this list of conditions and the following disclaimer in
  15  *       the documentation and/or other materials provided with the
  16  *       distribution.
  17  *     * Neither the name of Intel Corporation nor the names of its
  18  *       contributors may be used to endorse or promote products derived
  19  *       from this software without specific prior written permission.
  20  *
  21  *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  22  *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  23  *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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  31  *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  32  */
  33
  34 /** \file
  35  * SPDK uevent
  36  */
  37
  38 #include "spdk/env.h"
  39 #include "spdk/nvmf_spec.h"
  40
  41 #ifndef SPDK_UEVENT_H_
  42 #define SPDK_UEVENT_H_
  43
  44 #define SPDK_NVME_UEVENT_SUBSYSTEM_UIO 1
  45
  46 enum spdk_nvme_uevent_action {
  47         SPDK_NVME_UEVENT_ADD = 0,
  48         SPDK_NVME_UEVENT_REMOVE = 1,
  49 };
  50
  51 struct spdk_uevent {
  52         enum spdk_nvme_uevent_action action;
  53         int subsystem;
  54         char traddr[SPDK_NVMF_TRADDR_MAX_LEN + 1];
  55 };
  56
  57 int spdk_uevent_connect(void);
  58 int spdk_get_uevent(int fd, struct spdk_uevent *uevent);
  59
  60 #endif /* SPDK_UEVENT_H_ */