2022-02-09 02:41:54

by Janis Schoetterl-Glausch

Subject: [PATCH v2 09/11] KVM: s390: Add capability for storage key extension of MEM_OP IOCTL

Availability of the KVM_CAP_S390_MEM_OP_EXTENSION capability signals that:
* The vcpu MEM_OP IOCTL supports storage key checking.
* The vm MEM_OP IOCTL exists.

Signed-off-by: Janis Schoetterl-Glausch <[email protected]>
---
arch/s390/kvm/kvm-s390.c | 1 +
include/uapi/linux/kvm.h | 1 +
2 files changed, 2 insertions(+)

diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c
index befb30923c0e..4a502cac068c 100644
--- a/arch/s390/kvm/kvm-s390.c
+++ b/arch/s390/kvm/kvm-s390.c
@@ -565,6 +565,7 @@ int kvm_vm_ioctl_check_extension(struct kvm *kvm, long ext)
case KVM_CAP_S390_VCPU_RESETS:
case KVM_CAP_SET_GUEST_DEBUG:
case KVM_CAP_S390_DIAG318:
+ case KVM_CAP_S390_MEM_OP_EXTENSION:
r = 1;
break;
case KVM_CAP_SET_GUEST_DEBUG2:
diff --git a/include/uapi/linux/kvm.h b/include/uapi/linux/kvm.h
index ea81132a1cb1..50ce814267b3 100644
--- a/include/uapi/linux/kvm.h
+++ b/include/uapi/linux/kvm.h
@@ -1140,6 +1140,7 @@ struct kvm_ppc_resize_hpt {
#define KVM_CAP_VM_GPA_BITS 207
#define KVM_CAP_XSAVE2 208
#define KVM_CAP_SYS_ATTRIBUTES 209
+#define KVM_CAP_S390_MEM_OP_EXTENSION 210

#ifdef KVM_CAP_IRQ_ROUTING

--
2.32.0

2022-02-09 08:16:41

by Janosch Frank

Subject: Re: [PATCH v2 09/11] KVM: s390: Add capability for storage key extension of MEM_OP IOCTL

On 2/7/22 17:59, Janis Schoetterl-Glausch wrote:
> Availability of the KVM_CAP_S390_MEM_OP_EXTENSION capability signals that:
> * The vcpu MEM_OP IOCTL supports storage key checking.
> * The vm MEM_OP IOCTL exists.

Reviewed-by: Janosch Frank <[email protected]>

>
> Signed-off-by: Janis Schoetterl-Glausch <[email protected]>
> ---
> arch/s390/kvm/kvm-s390.c | 1 +
> include/uapi/linux/kvm.h | 1 +
> 2 files changed, 2 insertions(+)
>
> diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c
> index befb30923c0e..4a502cac068c 100644
> --- a/arch/s390/kvm/kvm-s390.c
> +++ b/arch/s390/kvm/kvm-s390.c
> @@ -565,6 +565,7 @@ int kvm_vm_ioctl_check_extension(struct kvm *kvm, long ext)
> case KVM_CAP_S390_VCPU_RESETS:
> case KVM_CAP_SET_GUEST_DEBUG:
> case KVM_CAP_S390_DIAG318:
> + case KVM_CAP_S390_MEM_OP_EXTENSION:
> r = 1;
> break;
> case KVM_CAP_SET_GUEST_DEBUG2:
> diff --git a/include/uapi/linux/kvm.h b/include/uapi/linux/kvm.h
> index ea81132a1cb1..50ce814267b3 100644
> --- a/include/uapi/linux/kvm.h
> +++ b/include/uapi/linux/kvm.h
> @@ -1140,6 +1140,7 @@ struct kvm_ppc_resize_hpt {
> #define KVM_CAP_VM_GPA_BITS 207
> #define KVM_CAP_XSAVE2 208
> #define KVM_CAP_SYS_ATTRIBUTES 209
> +#define KVM_CAP_S390_MEM_OP_EXTENSION 210
>
> #ifdef KVM_CAP_IRQ_ROUTING
>