scsi/pr-helper.h

   1 /* Definitions for QEMU's persistent reservation helper daemon
   2  *
   3  * Copyright (C) 2017 Red Hat, Inc.
   4  *
   5  * Author:
   6  *   Paolo Bonzini <pbonzini@redhat.com>
   7  *
   8  * Permission is hereby granted, free of charge, to any person obtaining a copy
   9  * of this software and associated documentation files (the "Software"), to
  10  * deal in the Software without restriction, including without limitation the
  11  * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
  12  * sell copies of the Software, and to permit persons to whom the Software is
  13  * furnished to do so, subject to the following conditions:
  14  *
  15  * The above copyright notice and this permission notice shall be included in
  16  * all copies or substantial portions of the Software.
  17  *
  18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  19  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  20  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  21  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  22  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  23  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
  24  * IN THE SOFTWARE.
  25  */
  26
  27 #ifndef QEMU_PR_HELPER_H
  28 #define QEMU_PR_HELPER_H
  29
  30 #define PR_HELPER_CDB_SIZE     16
  31 #define PR_HELPER_SENSE_SIZE   96
  32 #define PR_HELPER_DATA_SIZE    8192
  33
  34 typedef struct PRHelperResponse {
  35     int32_t result;
  36     int32_t sz;
  37     uint8_t sense[PR_HELPER_SENSE_SIZE];
  38 } PRHelperResponse;
  39
  40 #endif