hypervisor/include/jailhouse/hypercall.h

   1 /*
   2  * Jailhouse, a Linux-based partitioning hypervisor
   3  *
   4  * Copyright (c) Siemens AG, 2013-2015
   5  *
   6  * Authors:
   7  *  Jan Kiszka <jan.kiszka@siemens.com>
   8  *
   9  * This work is licensed under the terms of the GNU GPL, version 2.  See
  10  * the COPYING file in the top-level directory.
  11  *
  12  * Alternatively, you can use or redistribute this file under the following
  13  * BSD license:
  14  *
  15  * Redistribution and use in source and binary forms, with or without
  16  * modification, are permitted provided that the following conditions
  17  * are met:
  18  *
  19  * 1. Redistributions of source code must retain the above copyright
  20  *    notice, this list of conditions and the following disclaimer.
  21  *
  22  * 2. Redistributions in binary form must reproduce the above copyright
  23  *    notice, this list of conditions and the following disclaimer in the
  24  *    documentation and/or other materials provided with the distribution.
  25  *
  26  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  27  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  28  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  29  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
  30  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
  36  * THE POSSIBILITY OF SUCH DAMAGE.
  37  */
  38
  39 #ifndef _JAILHOUSE_HYPERCALL_H
  40 #define _JAILHOUSE_HYPERCALL_H
  41
  42 #define JAILHOUSE_HC_DISABLE                    0
  43 #define JAILHOUSE_HC_CELL_CREATE                1
  44 #define JAILHOUSE_HC_CELL_START                 2
  45 #define JAILHOUSE_HC_CELL_SET_LOADABLE          3
  46 #define JAILHOUSE_HC_CELL_DESTROY               4
  47 #define JAILHOUSE_HC_HYPERVISOR_GET_INFO        5
  48 #define JAILHOUSE_HC_CELL_GET_STATE             6
  49 #define JAILHOUSE_HC_CPU_GET_INFO               7
  50
  51 /* Hypervisor information type */
  52 #define JAILHOUSE_INFO_MEM_POOL_SIZE            0
  53 #define JAILHOUSE_INFO_MEM_POOL_USED            1
  54 #define JAILHOUSE_INFO_REMAP_POOL_SIZE          2
  55 #define JAILHOUSE_INFO_REMAP_POOL_USED          3
  56 #define JAILHOUSE_INFO_NUM_CELLS                4
  57
  58 /* Hypervisor information type */
  59 #define JAILHOUSE_CPU_INFO_STATE                0
  60 #define JAILHOUSE_CPU_INFO_STAT_BASE            1000
  61
  62 /* CPU state */
  63 #define JAILHOUSE_CPU_RUNNING                   0
  64 #define JAILHOUSE_CPU_FAILED                    2 /* terminal state */
  65
  66 /* CPU statistics */
  67 #define JAILHOUSE_CPU_STAT_VMEXITS_TOTAL        0
  68 #define JAILHOUSE_CPU_STAT_VMEXITS_MMIO         1
  69 #define JAILHOUSE_CPU_STAT_VMEXITS_MANAGEMENT   2
  70 #define JAILHOUSE_CPU_STAT_VMEXITS_HYPERCALL    3
  71 #define JAILHOUSE_GENERIC_CPU_STATS             4
  72
  73 #define JAILHOUSE_MSG_NONE                      0
  74
  75 /* messages to cell */
  76 #define JAILHOUSE_MSG_SHUTDOWN_REQUEST          1
  77 #define JAILHOUSE_MSG_RECONFIG_COMPLETED        2
  78
  79 /* replies from cell */
  80 #define JAILHOUSE_MSG_UNKNOWN                   1
  81 #define JAILHOUSE_MSG_REQUEST_DENIED            2
  82 #define JAILHOUSE_MSG_REQUEST_APPROVED          3
  83 #define JAILHOUSE_MSG_RECEIVED                  4
  84
  85 /* cell state, initialized by hypervisor, updated by cell */
  86 #define JAILHOUSE_CELL_RUNNING                  0
  87 #define JAILHOUSE_CELL_RUNNING_LOCKED           1
  88 #define JAILHOUSE_CELL_SHUT_DOWN                2 /* terminal state */
  89 #define JAILHOUSE_CELL_FAILED                   3 /* terminal state */
  90
  91 #define COMM_REGION_GENERIC_HEADER              \
  92         volatile __u32 msg_to_cell;             \
  93         volatile __u32 reply_from_cell;         \
  94         volatile __u32 cell_state;              \
  95         volatile __u32 padding
  96
  97 #include <asm/jailhouse_hypercall.h>
  98
  99 #endif /* !_JAILHOUSE_HYPERCALL_H */