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       1  /* SPDX-License-Identifier: (GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause */
       2  /*
       3   * Definitions for virtio-pmem devices.
       4   *
       5   * Copyright (C) 2019 Red Hat, Inc.
       6   *
       7   * Author(s): Pankaj Gupta <pagupta@redhat.com>
       8   */
       9  
      10  #ifndef _LINUX_VIRTIO_PMEM_H
      11  #define _LINUX_VIRTIO_PMEM_H
      12  
      13  #include <linux/types.h>
      14  #include <linux/virtio_ids.h>
      15  #include <linux/virtio_config.h>
      16  
      17  struct virtio_pmem_config {
      18  	__le64 start;
      19  	__le64 size;
      20  };
      21  
      22  #define VIRTIO_PMEM_REQ_TYPE_FLUSH      0
      23  
      24  struct virtio_pmem_resp {
      25  	/* Host return status corresponding to flush request */
      26  	__le32 ret;
      27  };
      28  
      29  struct virtio_pmem_req {
      30  	/* command type */
      31  	__le32 type;
      32  };
      33  
      34  #endif