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      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 (at) citrix.com>
     26    and Ian Campbell <ian.campbell (at) 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 /*--------------------------------------------------------------------*/
    103