MIPS: KVM: Add MSA exception handling

[karo-tx-linux.git] / arch / mips / kvm / mips.c

diff --git a/arch/mips/kvm/mips.c b/arch/mips/kvm/mips.c
index a17f21015a0b02edc65ef5b4bdbbf3176cd2cbbd..e02c7e5a12ffe8e390fbd46fb8dd570fa7280536 100644 (file)
--- a/arch/mips/kvm/mips.c
+++ b/arch/mips/kvm/mips.c
@@ -50,7 +50,9 @@ struct kvm_stats_debugfs_item debugfs_entries[] = {
        { "resvd_inst",   VCPU_STAT(resvd_inst_exits),   KVM_STAT_VCPU },
        { "break_inst",   VCPU_STAT(break_inst_exits),   KVM_STAT_VCPU },
        { "trap_inst",    VCPU_STAT(trap_inst_exits),    KVM_STAT_VCPU },
+       { "msa_fpe",      VCPU_STAT(msa_fpe_exits),      KVM_STAT_VCPU },
        { "fpe",          VCPU_STAT(fpe_exits),          KVM_STAT_VCPU },
+       { "msa_disabled", VCPU_STAT(msa_disabled_exits), KVM_STAT_VCPU },
        { "flush_dcache", VCPU_STAT(flush_dcache_exits), KVM_STAT_VCPU },
        { "halt_successful_poll", VCPU_STAT(halt_successful_poll), KVM_STAT_VCPU },
        { "halt_wakeup",  VCPU_STAT(halt_wakeup),        KVM_STAT_VCPU },
@@ -1256,6 +1258,12 @@ int kvm_mips_handle_exit(struct kvm_run *run, struct kvm_vcpu *vcpu)
                ret = kvm_mips_callbacks->handle_trap(vcpu);
                break;
 
+       case T_MSAFPE:
+               ++vcpu->stat.msa_fpe_exits;
+               trace_kvm_exit(vcpu, MSA_FPE_EXITS);
+               ret = kvm_mips_callbacks->handle_msa_fpe(vcpu);
+               break;
+
        case T_FPE:
                ++vcpu->stat.fpe_exits;
                trace_kvm_exit(vcpu, FPE_EXITS);
@@ -1263,6 +1271,8 @@ int kvm_mips_handle_exit(struct kvm_run *run, struct kvm_vcpu *vcpu)
                break;
 
        case T_MSADIS:
+               ++vcpu->stat.msa_disabled_exits;
+               trace_kvm_exit(vcpu, MSA_DISABLED_EXITS);
                ret = kvm_mips_callbacks->handle_msa_disabled(vcpu);
                break;