0efe406cac
A new QOM style device is provided to back guest storage keys. A special version for KVM is created, which handles the storage key access via KVM_S390_GET_SKEYS and KVM_S390_SET_SKEYS ioctl. Reviewed-by: David Hildenbrand <dahi@linux.vnet.ibm.com> Signed-off-by: Jason J. Herne <jjherne@linux.vnet.ibm.com> Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
56 lines
1.5 KiB
C
56 lines
1.5 KiB
C
/*
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* s390 storage key device
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*
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* Copyright 2015 IBM Corp.
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* Author(s): Jason J. Herne <jjherne@linux.vnet.ibm.com>
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*
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* This work is licensed under the terms of the GNU GPL, version 2 or (at
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* your option) any later version. See the COPYING file in the top-level
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* directory.
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*/
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#ifndef __S390_STORAGE_KEYS_H
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#define __S390_STORAGE_KEYS_H
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#include <hw/qdev.h>
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#define TYPE_S390_SKEYS "s390-skeys"
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#define S390_SKEYS(obj) \
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OBJECT_CHECK(S390SKeysState, (obj), TYPE_S390_SKEYS)
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typedef struct S390SKeysState {
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DeviceState parent_obj;
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} S390SKeysState;
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#define S390_SKEYS_CLASS(klass) \
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OBJECT_CLASS_CHECK(S390SKeysClass, (klass), TYPE_S390_SKEYS)
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#define S390_SKEYS_GET_CLASS(obj) \
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OBJECT_GET_CLASS(S390SKeysClass, (obj), TYPE_S390_SKEYS)
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typedef struct S390SKeysClass {
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DeviceClass parent_class;
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int (*skeys_enabled)(S390SKeysState *ks);
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int (*get_skeys)(S390SKeysState *ks, uint64_t start_gfn, uint64_t count,
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uint8_t *keys);
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int (*set_skeys)(S390SKeysState *ks, uint64_t start_gfn, uint64_t count,
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uint8_t *keys);
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} S390SKeysClass;
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#define TYPE_KVM_S390_SKEYS "s390-skeys-kvm"
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#define TYPE_QEMU_S390_SKEYS "s390-skeys-qemu"
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#define QEMU_S390_SKEYS(obj) \
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OBJECT_CHECK(QEMUS390SKeysState, (obj), TYPE_QEMU_S390_SKEYS)
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typedef struct QEMUS390SKeysState {
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S390SKeysState parent_obj;
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uint8_t *keydata;
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uint32_t key_count;
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} QEMUS390SKeysState;
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void s390_skeys_init(void);
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S390SKeysState *s390_get_skeys_device(void);
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#endif /* __S390_STORAGE_KEYS_H */
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