diff options
| author | Jason J. Herne <jjherne@linux.vnet.ibm.com> | 2015-06-26 11:54:51 -0400 |
|---|---|---|
| committer | Cornelia Huck <cornelia.huck@de.ibm.com> | 2015-09-03 12:17:54 +0200 |
| commit | 0efe406cac8a4d9f0b52eada4c6c2a768fe4b7d2 (patch) | |
| tree | 4f229ab4793b66ee1132d7a004c8b6b4d0987a89 /include/hw/s390x | |
| parent | 84b48ad63ba1da6345c3f22da7cdefc93fbc07f0 (diff) | |
s390x: Create QOM device for s390 storage keys
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>
Diffstat (limited to 'include/hw/s390x')
| -rw-r--r-- | include/hw/s390x/storage-keys.h | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/include/hw/s390x/storage-keys.h b/include/hw/s390x/storage-keys.h new file mode 100644 index 0000000000..cfd7da79a4 --- /dev/null +++ b/include/hw/s390x/storage-keys.h @@ -0,0 +1,55 @@ +/* + * s390 storage key device + * + * Copyright 2015 IBM Corp. + * Author(s): Jason J. Herne <jjherne@linux.vnet.ibm.com> + * + * This work is licensed under the terms of the GNU GPL, version 2 or (at + * your option) any later version. See the COPYING file in the top-level + * directory. + */ + +#ifndef __S390_STORAGE_KEYS_H +#define __S390_STORAGE_KEYS_H + +#include <hw/qdev.h> + +#define TYPE_S390_SKEYS "s390-skeys" +#define S390_SKEYS(obj) \ + OBJECT_CHECK(S390SKeysState, (obj), TYPE_S390_SKEYS) + +typedef struct S390SKeysState { + DeviceState parent_obj; + +} S390SKeysState; + +#define S390_SKEYS_CLASS(klass) \ + OBJECT_CLASS_CHECK(S390SKeysClass, (klass), TYPE_S390_SKEYS) +#define S390_SKEYS_GET_CLASS(obj) \ + OBJECT_GET_CLASS(S390SKeysClass, (obj), TYPE_S390_SKEYS) + +typedef struct S390SKeysClass { + DeviceClass parent_class; + int (*skeys_enabled)(S390SKeysState *ks); + int (*get_skeys)(S390SKeysState *ks, uint64_t start_gfn, uint64_t count, + uint8_t *keys); + int (*set_skeys)(S390SKeysState *ks, uint64_t start_gfn, uint64_t count, + uint8_t *keys); +} S390SKeysClass; + +#define TYPE_KVM_S390_SKEYS "s390-skeys-kvm" +#define TYPE_QEMU_S390_SKEYS "s390-skeys-qemu" +#define QEMU_S390_SKEYS(obj) \ + OBJECT_CHECK(QEMUS390SKeysState, (obj), TYPE_QEMU_S390_SKEYS) + +typedef struct QEMUS390SKeysState { + S390SKeysState parent_obj; + uint8_t *keydata; + uint32_t key_count; +} QEMUS390SKeysState; + +void s390_skeys_init(void); + +S390SKeysState *s390_get_skeys_device(void); + +#endif /* __S390_STORAGE_KEYS_H */ |