From 07b0303540e1951c75c98b7dd729ff1851a0049f Mon Sep 17 00:00:00 2001 From: David Hildenbrand Date: Fri, 6 Jun 2014 10:24:15 +0200 Subject: [PATCH] KVM: s390: sigp: inject emergency calls in a separate function In preparation for further code changes, this patch moves the injection of emergency calls into a separate function and uses it for the processing of SIGP EMERGENCY CALL and SIGP CONDITIONAL EMERGENCY CALL. Signed-off-by: David Hildenbrand Acked-by: Cornelia Huck Signed-off-by: Christian Borntraeger --- arch/s390/kvm/sigp.c | 12 +++++++++--- 1 file changed, 9 insertions(+), 3 deletions(-) diff --git a/arch/s390/kvm/sigp.c b/arch/s390/kvm/sigp.c index 9ee63e4d8a24..1b330d4eb20b 100644 --- a/arch/s390/kvm/sigp.c +++ b/arch/s390/kvm/sigp.c @@ -46,7 +46,8 @@ static int __sigp_sense(struct kvm_vcpu *vcpu, struct kvm_vcpu *dst_vcpu, return rc; } -static int __sigp_emergency(struct kvm_vcpu *vcpu, struct kvm_vcpu *dst_vcpu) +static int __inject_sigp_emergency(struct kvm_vcpu *vcpu, + struct kvm_vcpu *dst_vcpu) { struct kvm_s390_interrupt s390int = { .type = KVM_S390_INT_EMERGENCY, @@ -62,6 +63,11 @@ static int __sigp_emergency(struct kvm_vcpu *vcpu, struct kvm_vcpu *dst_vcpu) return rc ? rc : SIGP_CC_ORDER_CODE_ACCEPTED; } +static int __sigp_emergency(struct kvm_vcpu *vcpu, struct kvm_vcpu *dst_vcpu) +{ + return __inject_sigp_emergency(vcpu, dst_vcpu); +} + static int __sigp_conditional_emergency(struct kvm_vcpu *vcpu, struct kvm_vcpu *dst_vcpu, u16 asn, u64 *reg) @@ -76,12 +82,12 @@ static int __sigp_conditional_emergency(struct kvm_vcpu *vcpu, p_asn = dst_vcpu->arch.sie_block->gcr[4] & 0xffff; /* Primary ASN */ s_asn = dst_vcpu->arch.sie_block->gcr[3] & 0xffff; /* Secondary ASN */ - /* Deliver the emergency signal? */ + /* Inject the emergency signal? */ if (!(flags & CPUSTAT_STOPPED) || (psw->mask & psw_int_mask) != psw_int_mask || ((flags & CPUSTAT_WAIT) && psw->addr != 0) || (!(flags & CPUSTAT_WAIT) && (asn == p_asn || asn == s_asn))) { - return __sigp_emergency(vcpu, dst_vcpu); + return __inject_sigp_emergency(vcpu, dst_vcpu); } else { *reg &= 0xffffffff00000000UL; *reg |= SIGP_STATUS_INCORRECT_STATE; -- 2.20.1