diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/s390/include/asm/kvm_host.h | 1 | ||||
| -rw-r--r-- | arch/s390/kvm/intercept.c | 11 | ||||
| -rw-r--r-- | arch/s390/kvm/kvm-s390.c | 1 | ||||
| -rw-r--r-- | arch/s390/kvm/trace.h | 21 |
4 files changed, 34 insertions, 0 deletions
diff --git a/arch/s390/include/asm/kvm_host.h b/arch/s390/include/asm/kvm_host.h index 37b9017c6a96..093ea14109e2 100644 --- a/arch/s390/include/asm/kvm_host.h +++ b/arch/s390/include/asm/kvm_host.h @@ -255,6 +255,7 @@ struct kvm_vcpu_stat { u32 instruction_stctg; u32 exit_program_interruption; u32 exit_instr_and_program; + u32 exit_operation_exception; u32 deliver_external_call; u32 deliver_emergency_signal; u32 deliver_service_signal; diff --git a/arch/s390/kvm/intercept.c b/arch/s390/kvm/intercept.c index 2e6b54e4d3f9..09c13db1416f 100644 --- a/arch/s390/kvm/intercept.c +++ b/arch/s390/kvm/intercept.c @@ -349,6 +349,15 @@ static int handle_partial_execution(struct kvm_vcpu *vcpu) return -EOPNOTSUPP; } +static int handle_operexc(struct kvm_vcpu *vcpu) +{ + vcpu->stat.exit_operation_exception++; + trace_kvm_s390_handle_operexc(vcpu, vcpu->arch.sie_block->ipa, + vcpu->arch.sie_block->ipb); + + return kvm_s390_inject_program_int(vcpu, PGM_OPERATION); +} + int kvm_handle_sie_intercept(struct kvm_vcpu *vcpu) { if (kvm_is_ucontrol(vcpu->kvm)) @@ -370,6 +379,8 @@ int kvm_handle_sie_intercept(struct kvm_vcpu *vcpu) return handle_validity(vcpu); case 0x28: return handle_stop(vcpu); + case 0x2c: + return handle_operexc(vcpu); case 0x38: return handle_partial_execution(vcpu); default: diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c index 6d8ec3ac9dd8..f0addece729e 100644 --- a/arch/s390/kvm/kvm-s390.c +++ b/arch/s390/kvm/kvm-s390.c @@ -63,6 +63,7 @@ struct kvm_stats_debugfs_item debugfs_entries[] = { { "exit_instruction", VCPU_STAT(exit_instruction) }, { "exit_program_interruption", VCPU_STAT(exit_program_interruption) }, { "exit_instr_and_program_int", VCPU_STAT(exit_instr_and_program) }, + { "exit_operation_exception", VCPU_STAT(exit_operation_exception) }, { "halt_successful_poll", VCPU_STAT(halt_successful_poll) }, { "halt_attempted_poll", VCPU_STAT(halt_attempted_poll) }, { "halt_poll_invalid", VCPU_STAT(halt_poll_invalid) }, diff --git a/arch/s390/kvm/trace.h b/arch/s390/kvm/trace.h index 916834d7a73a..90d26a6aa52c 100644 --- a/arch/s390/kvm/trace.h +++ b/arch/s390/kvm/trace.h @@ -412,6 +412,27 @@ TRACE_EVENT(kvm_s390_handle_stsi, __entry->addr) ); +TRACE_EVENT(kvm_s390_handle_operexc, + TP_PROTO(VCPU_PROTO_COMMON, __u16 ipa, __u32 ipb), + TP_ARGS(VCPU_ARGS_COMMON, ipa, ipb), + + TP_STRUCT__entry( + VCPU_FIELD_COMMON + __field(__u64, instruction) + ), + + TP_fast_assign( + VCPU_ASSIGN_COMMON + __entry->instruction = ((__u64)ipa << 48) | + ((__u64)ipb << 16); + ), + + VCPU_TP_PRINTK("operation exception on instruction %016llx (%s)", + __entry->instruction, + __print_symbolic(icpt_insn_decoder(__entry->instruction), + icpt_insn_codes)) + ); + #endif /* _TRACE_KVM_H */ /* This part must be outside protection */ |