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-rw-r--r--target/s390x/cpu.c7
-rw-r--r--target/s390x/cpu.h1
-rw-r--r--target/s390x/kvm-stub.c4
-rw-r--r--target/s390x/kvm.c22
-rw-r--r--target/s390x/kvm_s390x.h1
5 files changed, 30 insertions, 5 deletions
diff --git a/target/s390x/cpu.c b/target/s390x/cpu.c
index 66f5942b53..7b66718c44 100644
--- a/target/s390x/cpu.c
+++ b/target/s390x/cpu.c
@@ -447,6 +447,13 @@ void s390_enable_css_support(S390CPU *cpu)
kvm_s390_enable_css_support(cpu);
}
}
+
+void s390_do_cpu_set_diag318(CPUState *cs, run_on_cpu_data arg)
+{
+ if (kvm_enabled()) {
+ kvm_s390_set_diag318(cs, arg.host_ulong);
+ }
+}
#endif
static gchar *s390_gdb_arch_name(CPUState *cs)
diff --git a/target/s390x/cpu.h b/target/s390x/cpu.h
index f875ebf0f4..60d434d5ed 100644
--- a/target/s390x/cpu.h
+++ b/target/s390x/cpu.h
@@ -769,6 +769,7 @@ int s390_set_memory_limit(uint64_t new_limit, uint64_t *hw_limit);
void s390_set_max_pagesize(uint64_t pagesize, Error **errp);
void s390_cmma_reset(void);
void s390_enable_css_support(S390CPU *cpu);
+void s390_do_cpu_set_diag318(CPUState *cs, run_on_cpu_data arg);
int s390_assign_subch_ioeventfd(EventNotifier *notifier, uint32_t sch_id,
int vq, bool assign);
#ifndef CONFIG_USER_ONLY
diff --git a/target/s390x/kvm-stub.c b/target/s390x/kvm-stub.c
index aa185017a2..9970b5a8c7 100644
--- a/target/s390x/kvm-stub.c
+++ b/target/s390x/kvm-stub.c
@@ -120,3 +120,7 @@ void kvm_s390_stop_interrupt(S390CPU *cpu)
void kvm_s390_restart_interrupt(S390CPU *cpu)
{
}
+
+void kvm_s390_set_diag318(CPUState *cs, uint64_t diag318_info)
+{
+}
diff --git a/target/s390x/kvm.c b/target/s390x/kvm.c
index baa070fdf7..b8385e6b95 100644
--- a/target/s390x/kvm.c
+++ b/target/s390x/kvm.c
@@ -1611,10 +1611,23 @@ static int handle_sw_breakpoint(S390CPU *cpu, struct kvm_run *run)
return -ENOENT;
}
+void kvm_s390_set_diag318(CPUState *cs, uint64_t diag318_info)
+{
+ CPUS390XState *env = &S390_CPU(cs)->env;
+
+ /* Feat bit is set only if KVM supports sync for diag318 */
+ if (s390_has_feat(S390_FEAT_DIAG_318)) {
+ env->diag318_info = diag318_info;
+ cs->kvm_run->s.regs.diag318 = diag318_info;
+ cs->kvm_run->kvm_dirty_regs |= KVM_SYNC_DIAG318;
+ }
+}
+
static void handle_diag_318(S390CPU *cpu, struct kvm_run *run)
{
uint64_t reg = (run->s390_sieic.ipa & 0x00f0) >> 4;
uint64_t diag318_info = run->s.regs.gprs[reg];
+ CPUState *t;
/*
* DIAG 318 can only be enabled with KVM support. As such, let's
@@ -1622,13 +1635,12 @@ static void handle_diag_318(S390CPU *cpu, struct kvm_run *run)
*/
if (!s390_has_feat(S390_FEAT_DIAG_318)) {
kvm_s390_program_interrupt(cpu, PGM_SPECIFICATION);
+ return;
}
- cpu->env.diag318_info = diag318_info;
-
- if (can_sync_regs(CPU(cpu), KVM_SYNC_DIAG318)) {
- run->s.regs.diag318 = diag318_info;
- run->kvm_dirty_regs |= KVM_SYNC_DIAG318;
+ CPU_FOREACH(t) {
+ run_on_cpu(t, s390_do_cpu_set_diag318,
+ RUN_ON_CPU_HOST_ULONG(diag318_info));
}
}
diff --git a/target/s390x/kvm_s390x.h b/target/s390x/kvm_s390x.h
index 6ab17c81b7..25bbe98b25 100644
--- a/target/s390x/kvm_s390x.h
+++ b/target/s390x/kvm_s390x.h
@@ -45,5 +45,6 @@ void kvm_s390_set_max_pagesize(uint64_t pagesize, Error **errp);
void kvm_s390_crypto_reset(void);
void kvm_s390_restart_interrupt(S390CPU *cpu);
void kvm_s390_stop_interrupt(S390CPU *cpu);
+void kvm_s390_set_diag318(CPUState *cs, uint64_t diag318_info);
#endif /* KVM_S390X_H */