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authorDavid Hildenbrand <dahi@linux.vnet.ibm.com>2014-06-06 12:24:15 +0400
committerChristian Borntraeger <borntraeger@de.ibm.com>2014-10-28 15:09:14 +0300
commit07b0303540e1951c75c98b7dd729ff1851a0049f (patch)
treeb3a26b72bca935dea81468108ee4bcbb8c2830e4 /arch/s390/kvm/sigp.c
parent42cb0c9ff92eba2168d1b8f69d6e62d2af608a13 (diff)
downloadlinux-07b0303540e1951c75c98b7dd729ff1851a0049f.tar.xz
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 <dahi@linux.vnet.ibm.com> Acked-by: Cornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Diffstat (limited to 'arch/s390/kvm/sigp.c')
-rw-r--r--arch/s390/kvm/sigp.c12
1 files 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;