include/hw/s390x/s390-virtio-ccw.h

   1 /*
   2  * virtio ccw machine definitions
   3  *
   4  * Copyright 2012, 2016 IBM Corp.
   5  * Author(s): Cornelia Huck <cornelia.huck@de.ibm.com>
   6  *
   7  * This work is licensed under the terms of the GNU GPL, version 2 or (at
   8  * your option) any later version. See the COPYING file in the top-level
   9  * directory.
  10  */
  11 #ifndef HW_S390X_S390_VIRTIO_CCW_H
  12 #define HW_S390X_S390_VIRTIO_CCW_H
  13
  14 #include "hw/boards.h"
  15
  16 #define TYPE_S390_CCW_MACHINE               "s390-ccw-machine"
  17
  18 #define S390_CCW_MACHINE(obj) \
  19     OBJECT_CHECK(S390CcwMachineState, (obj), TYPE_S390_CCW_MACHINE)
  20
  21 #define S390_MACHINE_CLASS(klass) \
  22     OBJECT_CLASS_CHECK(S390CcwMachineClass, (klass), TYPE_S390_CCW_MACHINE)
  23
  24 typedef struct S390CcwMachineState {
  25     /*< private >*/
  26     MachineState parent_obj;
  27
  28     /*< public >*/
  29     bool aes_key_wrap;
  30     bool dea_key_wrap;
  31     uint8_t loadparm[8];
  32 } S390CcwMachineState;
  33
  34 typedef struct S390CcwMachineClass {
  35     /*< private >*/
  36     MachineClass parent_class;
  37
  38     /*< public >*/
  39     bool ri_allowed;
  40     bool cpu_model_allowed;
  41     bool css_migration_enabled;
  42     bool hpage_1m_allowed;
  43 } S390CcwMachineClass;
  44
  45 /* runtime-instrumentation allowed by the machine */
  46 bool ri_allowed(void);
  47 /* cpu model allowed by the machine */
  48 bool cpu_model_allowed(void);
  49 /* 1M huge page mappings allowed by the machine */
  50 bool hpage_1m_allowed(void);
  51
  52 /**
  53  * Returns true if (vmstate based) migration of the channel subsystem
  54  * is enabled, false if it is disabled.
  55  */
  56 bool css_migration_enabled(void);
  57
  58 #endif