From: Jens Freimann <jfrei@xxxxxxxxxxxxxxxxxx>
Add a new data structure and function that allows to inject
all kinds of interrupt as defined in the PoP
Signed-off-by: Jens Freimann <jfrei@xxxxxxxxxxxxxxxxxx>
Signed-off-by: Christian Borntraeger <borntraeger@xxxxxxxxxx>
---
arch/s390/include/asm/kvm_host.h | 59 +++++++++++++++++++++++++++++++++++-----
arch/s390/kvm/interrupt.c | 25 +++++++++++++++++
arch/s390/kvm/kvm-s390.h | 3 ++
3 files changed, 80 insertions(+), 7 deletions(-)
diff --git a/arch/s390/include/asm/kvm_host.h b/arch/s390/include/asm/kvm_host.h
index b61ac41..90905ca 100644
--- a/arch/s390/include/asm/kvm_host.h
+++ b/arch/s390/include/asm/kvm_host.h
@@ -186,13 +186,58 @@ struct kvm_vcpu_stat {
u32 diagnose_9c;
};
-#define PGM_OPERATION 0x01
-#define PGM_PRIVILEGED_OP 0x02
-#define PGM_EXECUTE 0x03
-#define PGM_PROTECTION 0x04
-#define PGM_ADDRESSING 0x05
-#define PGM_SPECIFICATION 0x06
-#define PGM_DATA 0x07
+#define PGM_OPERATION 0x01
+#define PGM_PRIVILEGED_OP 0x02
+#define PGM_EXECUTE 0x03
+#define PGM_PROTECTION 0x04
+#define PGM_ADDRESSING 0x05
+#define PGM_SPECIFICATION 0x06
+#define PGM_DATA 0x07
+#define PGM_FIXED_POINT_OVERFLOW 0x08
+#define PGM_FIXED_POINT_DIVIDE 0x09
+#define PGM_DECIMAL_OVERFLOW 0x0a
+#define PGM_DECIMAL_DIVIDE 0x0b
+#define PGM_HFP_EXPONENT_OVERFLOW 0x0c
+#define PGM_HFP_EXPONENT_UNDERFLOW 0x0d
+#define PGM_HFP_SIGNIFICANCE 0x0e
+#define PGM_HFP_DIVIDE 0x0f
+#define PGM_SEGMENT_TRANSLATION 0x10
+#define PGM_PAGE_TRANSLATION 0x11
+#define PGM_TRANSLATION_SPEC 0x12
+#define PGM_SPECIAL_OPERATION 0x13
+#define PGM_OPERAND 0x15
+#define PGM_TRACE_TABEL 0x16
+#define PGM_SPACE_SWITCH 0x1c
+#define PGM_HFP_SQUARE_ROOT 0x1d
+#define PGM_PC_TRANSLATION_SPEC 0x1f
+#define PGM_AFX_TRANSLATION 0x20
+#define PGM_ASX_TRANSLATION 0x21
+#define PGM_LX_TRANSLATION 0x22
+#define PGM_EX_TRANSLATION 0x23
+#define PGM_PRIMARY_AUTHORITY 0x24
+#define PGM_SECONDARY_AUTHORITY 0x25
+#define PGM_LFX_TRANSLATION 0x26
+#define PGM_LSX_TRANSLATION 0x27
+#define PGM_ALET_SPECIFICATION 0x28
+#define PGM_ALEN_TRANSLATION 0x29
+#define PGM_ALE_SEQUENCE 0x2a
+#define PGM_ASTE_VALIDITY 0x2b
+#define PGM_ASTE_SEQUENCE 0x2c
+#define PGM_EXTENDED_AUTHORITY 0x2d
+#define PGM_LSTE_SEQUENCE 0x2e
+#define PGM_ASTE_INSTANCE 0x2f
+#define PGM_STACK_FULL 0x30
+#define PGM_STACK_EMPTY 0x31
+#define PGM_STACK_SPECIFICATION 0x32
+#define PGM_STACK_TYPE 0x33
+#define PGM_STACK_OPERATION 0x34
+#define PGM_ASCE_TYPE 0x38
+#define PGM_REGION_FIRST_TRANS 0x39
+#define PGM_REGION_SECOND_TRANS 0x3a
+#define PGM_REGION_THIRD_TRANS 0x3b
+#define PGM_MONITOR 0x40
+#define PGM_PER 0x80
+#define PGM_CRYPTO_OPERATION 0x119
struct kvm_s390_interrupt_info {
struct list_head list;
diff --git a/arch/s390/kvm/interrupt.c b/arch/s390/kvm/interrupt.c
index 200a8f9..a44c689 100644
--- a/arch/s390/kvm/interrupt.c
+++ b/arch/s390/kvm/interrupt.c
@@ -660,6 +660,31 @@ int kvm_s390_inject_program_int(struct kvm_vcpu *vcpu, u16 code)
return 0;
}
+int kvm_s390_inject_prog_irq(struct kvm_vcpu *vcpu,
+ struct kvm_s390_pgm_info *pgm_info)
+{
+ struct kvm_s390_local_interrupt *li = &vcpu->arch.local_int;
+ struct kvm_s390_interrupt_info *inti;
+
+ inti = kzalloc(sizeof(*inti), GFP_KERNEL);
+ if (!inti)
+ return -ENOMEM;
+
+ VCPU_EVENT(vcpu, 3, "inject: prog irq %d (from kernel)",
+ pgm_info->code);
+ trace_kvm_s390_inject_vcpu(vcpu->vcpu_id, KVM_S390_PROGRAM_INT,
+ pgm_info->code, 0, 1);
+
+ inti->type = KVM_S390_PROGRAM_INT;
+ memcpy(&inti->pgm, pgm_info, sizeof(inti->pgm));
+ spin_lock_bh(&li->lock);
+ list_add(&inti->list, &li->list);
+ atomic_set(&li->active, 1);
+ BUG_ON(waitqueue_active(li->wq));
+ spin_unlock_bh(&li->lock);
+ return 0;
+}
+
struct kvm_s390_interrupt_info *kvm_s390_get_io_int(struct kvm *kvm,
u64 cr6, u64 schid)
{
diff --git a/arch/s390/kvm/kvm-s390.h b/arch/s390/kvm/kvm-s390.h
index 460ccd8..25a8b84 100644
--- a/arch/s390/kvm/kvm-s390.h
+++ b/arch/s390/kvm/kvm-s390.h
@@ -165,6 +165,9 @@ bool kvm_s390_cmma_enabled(struct kvm *kvm);
/* implemented in diag.c */
int kvm_s390_handle_diag(struct kvm_vcpu *vcpu);
+/* implemented in interrupt.c */
+int kvm_s390_inject_prog_irq(struct kvm_vcpu *vcpu,
+ struct kvm_s390_pgm_info *pgm_info);
/* implemented in interrupt.c */
int kvm_cpu_has_interrupt(struct kvm_vcpu *vcpu);
--
1.8.4.2
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