Re: [Qemu-devel] [PATCH v9 1/6] linux-headers: linux header updates for AP support

[David Hildenbrand]

On 27/09/2018 00:54, Tony Krowiak wrote:
> Updates the linux header files in preparation for introduction
> of the VFIO AP device:
> 
> * Added a feature ID to indicate AP facilities are installed
> 
> * Added device attributes to the KVM_S390_VM_CRYPTO group
>   to indicate whether AP instructions are to be interpreted
> 
> * Added VFIO device information for AP devices
> 
> Signed-off-by: Tony Krowiak <address@hidden>
> ---
>  linux-headers/asm-s390/kvm.h | 3 +++
>  linux-headers/linux/vfio.h   | 2 ++
>  2 files changed, 5 insertions(+)
> 
> diff --git a/linux-headers/asm-s390/kvm.h b/linux-headers/asm-s390/kvm.h
> index 1ab9901911bf..b4948706468e 100644
> --- a/linux-headers/asm-s390/kvm.h
> +++ b/linux-headers/asm-s390/kvm.h
> @@ -130,6 +130,7 @@ struct kvm_s390_vm_cpu_machine {
>  #define KVM_S390_VM_CPU_FEAT_PFMFI   11
>  #define KVM_S390_VM_CPU_FEAT_SIGPIF  12
>  #define KVM_S390_VM_CPU_FEAT_KSS     13
> +#define KVM_S390_VM_CPU_FEAT_AP              14

Guess that's a leftover. But should be fixed automatically by proper
header sync later.

>  struct kvm_s390_vm_cpu_feat {
>       __u64 feat[16];
>  };
> @@ -160,6 +161,8 @@ struct kvm_s390_vm_cpu_subfunc {
>  #define KVM_S390_VM_CRYPTO_ENABLE_DEA_KW     1
>  #define KVM_S390_VM_CRYPTO_DISABLE_AES_KW    2
>  #define KVM_S390_VM_CRYPTO_DISABLE_DEA_KW    3
> +#define KVM_S390_VM_CRYPTO_ENABLE_APIE               4
> +#define KVM_S390_VM_CRYPTO_DISABLE_APIE              5
>  
>  /* kvm attributes for migration mode */
>  #define KVM_S390_VM_MIGRATION_STOP   0
> diff --git a/linux-headers/linux/vfio.h b/linux-headers/linux/vfio.h
> index 3615a269d378..838919a4c03a 100644
> --- a/linux-headers/linux/vfio.h
> +++ b/linux-headers/linux/vfio.h
> @@ -200,6 +200,7 @@ struct vfio_device_info {
>  #define VFIO_DEVICE_FLAGS_PLATFORM (1 << 2)  /* vfio-platform device */
>  #define VFIO_DEVICE_FLAGS_AMBA  (1 << 3)     /* vfio-amba device */
>  #define VFIO_DEVICE_FLAGS_CCW        (1 << 4)        /* vfio-ccw device */
> +#define VFIO_DEVICE_FLAGS_AP (1 << 5)                /* vfio-ap device */
>       __u32   num_regions;    /* Max region index + 1 */
>       __u32   num_irqs;       /* Max IRQ index + 1 */
>  };
> @@ -215,6 +216,7 @@ struct vfio_device_info {
>  #define VFIO_DEVICE_API_PLATFORM_STRING              "vfio-platform"
>  #define VFIO_DEVICE_API_AMBA_STRING          "vfio-amba"
>  #define VFIO_DEVICE_API_CCW_STRING           "vfio-ccw"
> +#define VFIO_DEVICE_API_AP_STRING            "vfio-ap"
>  
>  /**
>   * VFIO_DEVICE_GET_REGION_INFO - _IOWR(VFIO_TYPE, VFIO_BASE + 8,
> 


-- 

Thanks,

David / dhildenb