1/*
2   This file is part of Valgrind, a dynamic binary instrumentation
3   framework.
4
5   Copyright (C) 2012-2017 Citrix
6
7   This program is free software; you can redistribute it and/or
8   modify it under the terms of the GNU General Public License as
9   published by the Free Software Foundation; either version 2 of the
10   License, or (at your option) any later version.
11
12   This program is distributed in the hope that it will be useful, but
13   WITHOUT ANY WARRANTY; without even the implied warranty of
14   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
15   General Public License for more details.
16
17   You should have received a copy of the GNU General Public License
18   along with this program; if not, write to the Free Software
19   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
20   02111-1307, USA.
21
22   The GNU General Public License is contained in the file COPYING.
23*/
24
25/* Contributed by Andrew Cooper <andrew.cooper3@citrix.com>
26   and Ian Campbell <ian.campbell@citrix.com> */
27
28#ifndef __VKI_XEN_TMEM_H
29#define __VKI_XEN_TMEM_H
30
31typedef VKI_XEN_GUEST_HANDLE(char) vki_xen_tmem_cli_va_t;
32
33
34/* version of ABI */
35#define VKI_XEN_TMEM_spec_version          1
36
37/* Commands to HYPERVISOR_tmem_op() */
38#define VKI_XEN_TMEM_control               0
39#define VKI_XEN_TMEM_new_pool              1
40#define VKI_XEN_TMEM_destroy_pool          2
41#define VKI_XEN_TMEM_new_page              3
42#define VKI_XEN_TMEM_put_page              4
43#define VKI_XEN_TMEM_get_page              5
44#define VKI_XEN_TMEM_flush_page            6
45#define VKI_XEN_TMEM_flush_object          7
46#define VKI_XEN_TMEM_read                  8
47#define VKI_XEN_TMEM_write                 9
48#define VKI_XEN_TMEM_xchg                 10
49/* Privileged commands to HYPERVISOR_tmem_op() */
50#define VKI_XEN_tmem_auth                 101
51#define VKI_XEN_tmem_restore_new          102
52
53/* for cmd = TMEM_CONTROL */
54struct vki_xen_tmem_ctrl {
55    vki_uint32_t subop;
56
57/* Subops for HYPERVISOR_tmem_op(TMEM_CONTROL) */
58#define VKI_XEN_TMEMC_thaw                   0
59#define VKI_XEN_TMEMC_freeze                 1
60#define VKI_XEN_TMEMC_flush                  2
61#define VKI_XEN_TMEMC_destroy                3
62#define VKI_XEN_TMEMC_list                   4
63#define VKI_XEN_TMEMC_set_weight             5
64#define VKI_XEN_TMEMC_set_cap                6
65#define VKI_XEN_TMEMC_set_compress           7
66#define VKI_XEN_TMEMC_query_freeable_mb      8
67#define VKI_XEN_TMEMC_save_begin             10
68#define VKI_XEN_TMEMC_save_get_version       11
69#define VKI_XEN_TMEMC_save_get_maxpools      12
70#define VKI_XEN_TMEMC_save_get_client_weight 13
71#define VKI_XEN_TMEMC_save_get_client_cap    14
72#define VKI_XEN_TMEMC_save_get_client_flags  15
73#define VKI_XEN_TMEMC_save_get_pool_flags    16
74#define VKI_XEN_TMEMC_save_get_pool_npages   17
75#define VKI_XEN_TMEMC_save_get_pool_uuid     18
76#define VKI_XEN_TMEMC_save_get_next_page     19
77#define VKI_XEN_TMEMC_save_get_next_inv      20
78#define VKI_XEN_TMEMC_save_end               21
79#define VKI_XEN_TMEMC_restore_begin          30
80#define VKI_XEN_TMEMC_restore_put_page       32
81#define VKI_XEN_TMEMC_restore_flush_page     33
82
83    vki_uint32_t cli_id;
84    vki_uint32_t arg1;
85    vki_uint32_t arg2;
86    vki_uint64_t oid[3];
87    vki_xen_tmem_cli_va_t buf;
88};
89
90struct vki_xen_tmem_op {
91    vki_uint32_t cmd;
92    vki_int32_t pool_id;
93    union {
94        struct vki_xen_tmem_ctrl ctrl;
95    } u;
96};
97
98#endif // __VKI_XEN_TMEM_H
99
100/*--------------------------------------------------------------------*/
101/*--- end                                                          ---*/
102/*--------------------------------------------------------------------*/
103