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/*
* Protected Virtualization header
*
* Copyright IBM Corp. 2020
* Author(s):
* Janosch Frank <frankja@linux.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 HW_S390_PV_H
#define HW_S390_PV_H
#include "qapi/error.h"
#include "sysemu/kvm.h"
#ifdef CONFIG_KVM
#include "cpu.h"
#include "hw/s390x/s390-virtio-ccw.h"
static inline bool s390_is_pv(void)
{
static S390CcwMachineState *ccw;
Object *obj;
if (ccw) {
return ccw->pv;
}
/* we have to bail out for the "none" machine */
obj = object_dynamic_cast(qdev_get_machine(),
TYPE_S390_CCW_MACHINE);
if (!obj) {
return false;
}
ccw = S390_CCW_MACHINE(obj);
return ccw->pv;
}
int s390_pv_vm_enable(void);
void s390_pv_vm_disable(void);
int s390_pv_set_sec_parms(uint64_t origin, uint64_t length);
int s390_pv_unpack(uint64_t addr, uint64_t size, uint64_t tweak);
void s390_pv_prep_reset(void);
int s390_pv_verify(void);
void s390_pv_unshare(void);
void s390_pv_inject_reset_error(CPUState *cs);
#else /* CONFIG_KVM */
static inline bool s390_is_pv(void) { return false; }
static inline int s390_pv_vm_enable(void) { return 0; }
static inline void s390_pv_vm_disable(void) {}
static inline int s390_pv_set_sec_parms(uint64_t origin, uint64_t length) { return 0; }
static inline int s390_pv_unpack(uint64_t addr, uint64_t size, uint64_t tweak) { return 0; }
static inline void s390_pv_prep_reset(void) {}
static inline int s390_pv_verify(void) { return 0; }
static inline void s390_pv_unshare(void) {}
static inline void s390_pv_inject_reset_error(CPUState *cs) {};
#endif /* CONFIG_KVM */
int s390_pv_kvm_init(ConfidentialGuestSupport *cgs, Error **errp);
static inline int s390_pv_init(ConfidentialGuestSupport *cgs, Error **errp)
{
if (!cgs) {
return 0;
}
if (kvm_enabled()) {
return s390_pv_kvm_init(cgs, errp);
}
error_setg(errp, "Protected Virtualization requires KVM");
return -1;
}
#endif /* HW_S390_PV_H */
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