KVM: s390: Vector exceptions

A new exception type for vector instructions is introduced with
the new processor, but is handled exactly like a Data Exception
which is already handled by the system.

Signed-off-by: Eric Farman <farman@linux.vnet.ibm.com>
Reviewed-by: David Hildenbrand <dahi@linux.vnet.ibm.com>
Acked-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>

diff --git a/arch/s390/include/asm/kvm_host.h b/arch/s390/include/asm/kvm_host.h
index 3449a38..fb1fd39 100644 (file)
--- a/arch/s390/include/asm/kvm_host.h
+++ b/arch/s390/include/asm/kvm_host.h
@@ -276,6 +276,7 @@ struct kvm_vcpu_stat {
 #define PGM_SPECIAL_OPERATION          0x13
 #define PGM_OPERAND                    0x15
 #define PGM_TRACE_TABEL                        0x16
+#define PGM_VECTOR_PROCESSING          0x1b
 #define PGM_SPACE_SWITCH               0x1c
 #define PGM_HFP_SQUARE_ROOT            0x1d
 #define PGM_PC_TRANSLATION_SPEC                0x1f

diff --git a/arch/s390/kvm/intercept.c b/arch/s390/kvm/intercept.c
index bebd215..08ae10a 100644 (file)
--- a/arch/s390/kvm/intercept.c
+++ b/arch/s390/kvm/intercept.c
@@ -165,6 +165,7 @@ static void __extract_prog_irq(struct kvm_vcpu *vcpu,
                pgm_info->mon_class_nr = vcpu->arch.sie_block->mcn;
                pgm_info->mon_code = vcpu->arch.sie_block->tecmc;
                break;
+       case PGM_VECTOR_PROCESSING:
        case PGM_DATA:
                pgm_info->data_exc_code = vcpu->arch.sie_block->dxc;
                break;

diff --git a/arch/s390/kvm/interrupt.c b/arch/s390/kvm/interrupt.c
index 9561e1d..036d375 100644 (file)
--- a/arch/s390/kvm/interrupt.c
+++ b/arch/s390/kvm/interrupt.c
@@ -544,6 +544,7 @@ static int __must_check __deliver_prog(struct kvm_vcpu *vcpu)
                rc |= put_guest_lc(vcpu, pgm_info.mon_code,
                                   (u64 *)__LC_MON_CODE);
                break;
+       case PGM_VECTOR_PROCESSING:
        case PGM_DATA:
                rc = put_guest_lc(vcpu, pgm_info.data_exc_code,
                                  (u32 *)__LC_DATA_EXC_CODE);