include/hw/s390x/storage-keys.h

   1 /*
   2  * s390 storage key device
   3  *
   4  * Copyright 2015 IBM Corp.
   5  * Author(s): Jason J. Herne <jjherne@linux.vnet.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
  12 #ifndef __S390_STORAGE_KEYS_H
  13 #define __S390_STORAGE_KEYS_H
  14
  15 #include <hw/qdev.h>
  16 #include "monitor/monitor.h"
  17
  18 #define TYPE_S390_SKEYS "s390-skeys"
  19 #define S390_SKEYS(obj) \
  20     OBJECT_CHECK(S390SKeysState, (obj), TYPE_S390_SKEYS)
  21
  22 typedef struct S390SKeysState {
  23     DeviceState parent_obj;
  24     bool migration_enabled;
  25
  26 } S390SKeysState;
  27
  28 #define S390_SKEYS_CLASS(klass) \
  29     OBJECT_CLASS_CHECK(S390SKeysClass, (klass), TYPE_S390_SKEYS)
  30 #define S390_SKEYS_GET_CLASS(obj) \
  31     OBJECT_GET_CLASS(S390SKeysClass, (obj), TYPE_S390_SKEYS)
  32
  33 typedef struct S390SKeysClass {
  34     DeviceClass parent_class;
  35     int (*skeys_enabled)(S390SKeysState *ks);
  36     int (*get_skeys)(S390SKeysState *ks, uint64_t start_gfn, uint64_t count,
  37                      uint8_t *keys);
  38     int (*set_skeys)(S390SKeysState *ks, uint64_t start_gfn, uint64_t count,
  39                      uint8_t *keys);
  40 } S390SKeysClass;
  41
  42 #define TYPE_KVM_S390_SKEYS "s390-skeys-kvm"
  43 #define TYPE_QEMU_S390_SKEYS "s390-skeys-qemu"
  44 #define QEMU_S390_SKEYS(obj) \
  45     OBJECT_CHECK(QEMUS390SKeysState, (obj), TYPE_QEMU_S390_SKEYS)
  46
  47 typedef struct QEMUS390SKeysState {
  48     S390SKeysState parent_obj;
  49     uint8_t *keydata;
  50     uint32_t key_count;
  51 } QEMUS390SKeysState;
  52
  53 void s390_skeys_init(void);
  54
  55 S390SKeysState *s390_get_skeys_device(void);
  56
  57 void hmp_dump_skeys(Monitor *mon, const QDict *qdict);
  58 void hmp_info_skeys(Monitor *mon, const QDict *qdict);
  59
  60 #endif /* __S390_STORAGE_KEYS_H */