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, 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
  31 typedef 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 */
  54 struct 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
  90 struct 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 /*--------------------------------------------------------------------*/