Commit 352df1de authored by Mihai Caraman's avatar Mihai Caraman Committed by Alexander Graf

KVM: PPC: booke: Get/set guest EPCR register using ONE_REG interface

Implement ONE_REG interface for EPCR register adding KVM_REG_PPC_EPCR to
the list of ONE_REG PPC supported registers.
Signed-off-by: default avatarMihai Caraman <mihai.caraman@freescale.com>
[agraf: remove HV dependency, use get/put_user]
Signed-off-by: default avatarAlexander Graf <agraf@suse.de>
parent 38f98824
......@@ -1773,6 +1773,7 @@ registers, find a list below:
PPC | KVM_REG_PPC_VPA_ADDR | 64
PPC | KVM_REG_PPC_VPA_SLB | 128
PPC | KVM_REG_PPC_VPA_DTL | 128
PPC | KVM_REG_PPC_EPCR | 32
4.69 KVM_GET_ONE_REG
......
......@@ -411,4 +411,6 @@ struct kvm_get_htab_header {
#define KVM_REG_PPC_VPA_SLB (KVM_REG_PPC | KVM_REG_SIZE_U128 | 0x83)
#define KVM_REG_PPC_VPA_DTL (KVM_REG_PPC | KVM_REG_SIZE_U128 | 0x84)
#define KVM_REG_PPC_EPCR (KVM_REG_PPC | KVM_REG_SIZE_U32 | 0x85)
#endif /* __LINUX_KVM_POWERPC_H */
......@@ -1388,6 +1388,11 @@ int kvm_vcpu_ioctl_get_one_reg(struct kvm_vcpu *vcpu, struct kvm_one_reg *reg)
&vcpu->arch.dbg_reg.dac[dac], sizeof(u64));
break;
}
#if defined(CONFIG_64BIT)
case KVM_REG_PPC_EPCR:
r = put_user(vcpu->arch.epcr, (u32 __user *)(long)reg->addr);
break;
#endif
default:
break;
}
......@@ -1415,6 +1420,15 @@ int kvm_vcpu_ioctl_set_one_reg(struct kvm_vcpu *vcpu, struct kvm_one_reg *reg)
(u64 __user *)(long)reg->addr, sizeof(u64));
break;
}
#if defined(CONFIG_64BIT)
case KVM_REG_PPC_EPCR: {
u32 new_epcr;
r = get_user(new_epcr, (u32 __user *)(long)reg->addr);
if (r == 0)
kvmppc_set_epcr(vcpu, new_epcr);
break;
}
#endif
default:
break;
}
......
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