[v5,15/18] s390x: Add protected dump cap

Commit Message

Janosch Frank Aug. 11, 2022, 12:11 p.m. UTC

Add a protected dump capability for later feature checking.

Signed-off-by: Janosch Frank <[e-mail]>
Reviewed-by: Steffen Eiden <[e-mail]>
---
 target/s390x/kvm/kvm.c       | 7 +++++++
 target/s390x/kvm/kvm_s390x.h | 1 +
 2 files changed, 8 insertions(+)

Comments

Thomas Huth Aug. 29, 2022, 11:29 a.m. UTC | #1

On 11/08/2022 14.11, Janosch Frank wrote:
> Add a protected dump capability for later feature checking.
> 
> Signed-off-by: Janosch Frank <[e-mail]>
> Reviewed-by: Steffen Eiden <[e-mail]>
> ---
>   target/s390x/kvm/kvm.c       | 7 +++++++
>   target/s390x/kvm/kvm_s390x.h | 1 +
>   2 files changed, 8 insertions(+)

Reviewed-by: Thomas Huth <[e-mail]>

Janis Schoetterl-Glausch Sept. 1, 2022, 9:26 a.m. UTC | #2

On Thu, 2022-08-11 at 12:11 +0000, Janosch Frank wrote:
> Add a protected dump capability for later feature checking.
> 
> Signed-off-by: Janosch Frank <[e-mail]>
> Reviewed-by: Steffen Eiden <[e-mail]>

Reviewed-by: Janis Schoetterl-Glausch <[e-mail]>

Patch

diff --git a/target/s390x/kvm/kvm.c b/target/s390x/kvm/kvm.c
index 7bd8db0e7b..cbd8c91424 100644
--- a/target/s390x/kvm/kvm.c
+++ b/target/s390x/kvm/kvm.c
@@ -157,6 +157,7 @@  static int cap_ri;
 static int cap_hpage_1m;
 static int cap_vcpu_resets;
 static int cap_protected;
+static int cap_protected_dump;
 
 static bool mem_op_storage_key_support;
 
@@ -362,6 +363,7 @@  int kvm_arch_init(MachineState *ms, KVMState *s)
     cap_s390_irq = kvm_check_extension(s, KVM_CAP_S390_INJECT_IRQ);
     cap_vcpu_resets = kvm_check_extension(s, KVM_CAP_S390_VCPU_RESETS);
     cap_protected = kvm_check_extension(s, KVM_CAP_S390_PROTECTED);
+    cap_protected_dump = kvm_check_extension(s, KVM_CAP_S390_PROTECTED_DUMP);
 
     kvm_vm_enable_cap(s, KVM_CAP_S390_USER_SIGP, 0);
     kvm_vm_enable_cap(s, KVM_CAP_S390_VECTOR_REGISTERS, 0);
@@ -2043,6 +2045,11 @@  int kvm_s390_assign_subch_ioeventfd(EventNotifier *notifier, uint32_t sch,
     return kvm_vm_ioctl(kvm_state, KVM_IOEVENTFD, &kick);
 }
 
+int kvm_s390_get_protected_dump(void)
+{
+    return cap_protected_dump;
+}
+
 int kvm_s390_get_ri(void)
 {
     return cap_ri;
diff --git a/target/s390x/kvm/kvm_s390x.h b/target/s390x/kvm/kvm_s390x.h
index 05a5e1e6f4..31a69f9ce2 100644
--- a/target/s390x/kvm/kvm_s390x.h
+++ b/target/s390x/kvm/kvm_s390x.h
@@ -26,6 +26,7 @@  int kvm_s390_set_cpu_state(S390CPU *cpu, uint8_t cpu_state);
 void kvm_s390_vcpu_interrupt_pre_save(S390CPU *cpu);
 int kvm_s390_vcpu_interrupt_post_load(S390CPU *cpu);
 int kvm_s390_get_hpage_1m(void);
+int kvm_s390_get_protected_dump(void);
 int kvm_s390_get_ri(void);
 int kvm_s390_get_clock(uint8_t *tod_high, uint64_t *tod_clock);
 int kvm_s390_get_clock_ext(uint8_t *tod_high, uint64_t *tod_clock);