diff mbox series

[v4,08/10] KVM: s390: Add capability for storage key extension of MEM_OP IOCTL

Message ID 20220211182215.2730017-9-scgl@linux.ibm.com (mailing list archive)
State New, archived
Headers show
Series KVM: s390: Do storage key checking | expand

Commit Message

Janis Schoetterl-Glausch Feb. 11, 2022, 6:22 p.m. UTC 
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 <scgl@linux.ibm.com>
Reviewed-by: Janosch Frank <frankja@linux.ibm.com>
---
 arch/s390/kvm/kvm-s390.c | 1 +
 include/uapi/linux/kvm.h | 1 +
 2 files changed, 2 insertions(+)

Comments

Christian Borntraeger Feb. 14, 2022, 2:29 p.m. UTC | #1 
Am 11.02.22 um 19:22 schrieb Janis Schoetterl-Glausch:
> 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 <scgl@linux.ibm.com>
> Reviewed-by: Janosch Frank <frankja@linux.ibm.com>

Reviewed-by: Christian Borntraeger <borntraeger@linux.ibm.com>

> ---
>   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 773bccdd446c..c2c26c2aad64 100644
> --- a/arch/s390/kvm/kvm-s390.c
> +++ b/arch/s390/kvm/kvm-s390.c
> @@ -564,6 +564,7 @@ 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 4bc7623def87..08756eeea065 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
>
Claudio Imbrenda Feb. 14, 2022, 5:47 p.m. UTC | #2 
On Fri, 11 Feb 2022 19:22:13 +0100
Janis Schoetterl-Glausch <scgl@linux.ibm.com> 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.
> 
> Signed-off-by: Janis Schoetterl-Glausch <scgl@linux.ibm.com>
> Reviewed-by: Janosch Frank <frankja@linux.ibm.com>

Reviewed-by: Claudio Imbrenda <imbrenda@linux.ibm.com>

> ---
>  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 773bccdd446c..c2c26c2aad64 100644
> --- a/arch/s390/kvm/kvm-s390.c
> +++ b/arch/s390/kvm/kvm-s390.c
> @@ -564,6 +564,7 @@ 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 4bc7623def87..08756eeea065 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
>
diff mbox series

Patch

diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c
index 773bccdd446c..c2c26c2aad64 100644
--- a/arch/s390/kvm/kvm-s390.c
+++ b/arch/s390/kvm/kvm-s390.c
@@ -564,6 +564,7 @@  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 4bc7623def87..08756eeea065 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