xref: /openbmc/qemu/scsi/pr-helper.h (revision 01807c8b0e9f5da6981c2e62a3c1d8f661fb178e)
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
41