xref: /openbmc/qemu/scsi/pr-helper.h (revision b91a0fa7)
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