include/vki/vki-xen-tmem.h

   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, see <http://www.gnu.org/licenses/>.
  19
  20    The GNU General Public License is contained in the file COPYING.
  21 */
  22
  23 /* Contributed by Andrew Cooper <andrew.cooper3@citrix.com>
  24    and Ian Campbell <ian.campbell@citrix.com> */
  25
  26 #ifndef __VKI_XEN_TMEM_H
  27 #define __VKI_XEN_TMEM_H
  28
  29 typedef VKI_XEN_GUEST_HANDLE(char) vki_xen_tmem_cli_va_t;
  30
  31
  32 /* version of ABI */
  33 #define VKI_XEN_TMEM_spec_version          1
  34
  35 /* Commands to HYPERVISOR_tmem_op() */
  36 #define VKI_XEN_TMEM_control               0
  37 #define VKI_XEN_TMEM_new_pool              1
  38 #define VKI_XEN_TMEM_destroy_pool          2
  39 #define VKI_XEN_TMEM_new_page              3
  40 #define VKI_XEN_TMEM_put_page              4
  41 #define VKI_XEN_TMEM_get_page              5
  42 #define VKI_XEN_TMEM_flush_page            6
  43 #define VKI_XEN_TMEM_flush_object          7
  44 #define VKI_XEN_TMEM_read                  8
  45 #define VKI_XEN_TMEM_write                 9
  46 #define VKI_XEN_TMEM_xchg                 10
  47 /* Privileged commands to HYPERVISOR_tmem_op() */
  48 #define VKI_XEN_tmem_auth                 101
  49 #define VKI_XEN_tmem_restore_new          102
  50
  51 /* for cmd = TMEM_CONTROL */
  52 struct vki_xen_tmem_ctrl {
  53     vki_uint32_t subop;
  54
  55 /* Subops for HYPERVISOR_tmem_op(TMEM_CONTROL) */
  56 #define VKI_XEN_TMEMC_thaw                   0
  57 #define VKI_XEN_TMEMC_freeze                 1
  58 #define VKI_XEN_TMEMC_flush                  2
  59 #define VKI_XEN_TMEMC_destroy                3
  60 #define VKI_XEN_TMEMC_list                   4
  61 #define VKI_XEN_TMEMC_set_weight             5
  62 #define VKI_XEN_TMEMC_set_cap                6
  63 #define VKI_XEN_TMEMC_set_compress           7
  64 #define VKI_XEN_TMEMC_query_freeable_mb      8
  65 #define VKI_XEN_TMEMC_save_begin             10
  66 #define VKI_XEN_TMEMC_save_get_version       11
  67 #define VKI_XEN_TMEMC_save_get_maxpools      12
  68 #define VKI_XEN_TMEMC_save_get_client_weight 13
  69 #define VKI_XEN_TMEMC_save_get_client_cap    14
  70 #define VKI_XEN_TMEMC_save_get_client_flags  15
  71 #define VKI_XEN_TMEMC_save_get_pool_flags    16
  72 #define VKI_XEN_TMEMC_save_get_pool_npages   17
  73 #define VKI_XEN_TMEMC_save_get_pool_uuid     18
  74 #define VKI_XEN_TMEMC_save_get_next_page     19
  75 #define VKI_XEN_TMEMC_save_get_next_inv      20
  76 #define VKI_XEN_TMEMC_save_end               21
  77 #define VKI_XEN_TMEMC_restore_begin          30
  78 #define VKI_XEN_TMEMC_restore_put_page       32
  79 #define VKI_XEN_TMEMC_restore_flush_page     33
  80
  81     vki_uint32_t cli_id;
  82     vki_uint32_t arg1;
  83     vki_uint32_t arg2;
  84     vki_uint64_t oid[3];
  85     vki_xen_tmem_cli_va_t buf;
  86 };
  87
  88 struct vki_xen_tmem_op {
  89     vki_uint32_t cmd;
  90     vki_int32_t pool_id;
  91     union {
  92         struct vki_xen_tmem_ctrl ctrl;
  93     } u;
  94 };
  95
  96 #endif // __VKI_XEN_TMEM_H
  97
  98 /*--------------------------------------------------------------------*/
  99 /*--- end                                                          ---*/
 100 /*--------------------------------------------------------------------*/