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authorPaul Mackerras <paulus@ozlabs.org>2017-03-22 21:02:08 +1100
committerPaul Mackerras <paulus@ozlabs.org>2017-04-20 10:39:50 +1000
commit307d927967007acef98cfd3f0639c7a4bf234ede (patch)
tree1e79c7a93f74499beb5d848c8ea2af529522ad18 /arch/powerpc/kvm/book3s.c
parentf7b1a77d3bfbdc7e91a1e48e0a3dc10e7d890e04 (diff)
KVM: PPC: Provide functions for queueing up FP/VEC/VSX unavailable interrupts
This provides functions that can be used for generating interrupts indicating that a given functional unit (floating point, vector, or VSX) is unavailable. These functions will be used in instruction emulation code. Signed-off-by: Paul Mackerras <paulus@ozlabs.org>
Diffstat (limited to 'arch/powerpc/kvm/book3s.c')
-rw-r--r--arch/powerpc/kvm/book3s.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/arch/powerpc/kvm/book3s.c b/arch/powerpc/kvm/book3s.c
index b6b5c185bd92..0ff0d07c0757 100644
--- a/arch/powerpc/kvm/book3s.c
+++ b/arch/powerpc/kvm/book3s.c
@@ -197,6 +197,24 @@ void kvmppc_core_queue_program(struct kvm_vcpu *vcpu, ulong flags)
}
EXPORT_SYMBOL_GPL(kvmppc_core_queue_program);
+void kvmppc_core_queue_fpunavail(struct kvm_vcpu *vcpu)
+{
+ /* might as well deliver this straight away */
+ kvmppc_inject_interrupt(vcpu, BOOK3S_INTERRUPT_FP_UNAVAIL, 0);
+}
+
+void kvmppc_core_queue_vec_unavail(struct kvm_vcpu *vcpu)
+{
+ /* might as well deliver this straight away */
+ kvmppc_inject_interrupt(vcpu, BOOK3S_INTERRUPT_ALTIVEC, 0);
+}
+
+void kvmppc_core_queue_vsx_unavail(struct kvm_vcpu *vcpu)
+{
+ /* might as well deliver this straight away */
+ kvmppc_inject_interrupt(vcpu, BOOK3S_INTERRUPT_VSX, 0);
+}
+
void kvmppc_core_queue_dec(struct kvm_vcpu *vcpu)
{
kvmppc_book3s_queue_irqprio(vcpu, BOOK3S_INTERRUPT_DECREMENTER);