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Subject: Re: [RFC 01/19] KVM: s390: SIE considerations for AP Queue
 virtualization
To:     Christian Borntraeger <borntraeger@de.ibm.com>,
        linux-s390@vger.kernel.org, linux-kernel@vger.kernel.org,
        kvm@vger.kernel.org
Cc:     freude@de.ibm.com, schwidefsky@de.ibm.com,
        heiko.carstens@de.ibm.com, cohuck@redhat.com, kwankhede@nvidia.com,
        bjsdjshi@linux.vnet.ibm.com, pbonzini@redhat.com,
        alex.williamson@redhat.com, pmorel@linux.vnet.ibm.com,
        alifm@linux.vnet.ibm.com, mjrosato@linux.vnet.ibm.com,
        qemu-s390x@nongnu.org, jjherne@linux.vnet.ibm.com,
        thuth@redhat.com, pasic@linux.vnet.ibm.com
References: <1507916344-3896-1-git-send-email-akrowiak@linux.vnet.ibm.com>
 <1507916344-3896-2-git-send-email-akrowiak@linux.vnet.ibm.com>
 <8ff4f519-560b-04a0-2786-27eafcf7463f@de.ibm.com>
From:   Tony Krowiak <akrowiak@linux.vnet.ibm.com>
Date:   Thu, 2 Nov 2017 15:53:26 -0400
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On 11/02/2017 07:54 AM, Christian Borntraeger wrote:
> To make the whole series smaller I will apply some of these patches
> directly (those of which are "obvious" and touch kvm/s390 only)
Okay
>
>
> On 10/13/2017 07:38 PM, Tony Krowiak wrote:
>> The Crypto Control Block (CRYCB) is referenced by the SIE state
>> description and controls KVM guest access to the Adjunct
>> Processor (AP) adapters, usage domains and control domains.
>> This patch defines the AP control blocks to be used for
>> controlling guest access to the AP adapters and domains.
>>
>> Signed-off-by: Tony Krowiak <akrowiak@linux.vnet.ibm.com>
> thanks applied.
>> ---
>>   arch/s390/include/asm/kvm_host.h |   25 +++++++++++++++++++++----
>>   1 files changed, 21 insertions(+), 4 deletions(-)
>>
>> diff --git a/arch/s390/include/asm/kvm_host.h b/arch/s390/include/asm/kvm_host.h
>> index 51375e7..50a6b25 100644
>> --- a/arch/s390/include/asm/kvm_host.h
>> +++ b/arch/s390/include/asm/kvm_host.h
>> @@ -685,11 +685,28 @@ struct kvm_s390_crypto {
>>   	__u8 dea_kw;
>>   };
>>
>> +#define APCB0_MASK_SIZE 1
>> +struct kvm_s390_apcb0 {
>> +	__u64 apm[APCB0_MASK_SIZE];		/* 0x0000 */
>> +	__u64 aqm[APCB0_MASK_SIZE];		/* 0x0008 */
>> +	__u64 adm[APCB0_MASK_SIZE];		/* 0x0010 */
>> +	__u64 reserved18;			/* 0x0018 */
>> +};
>> +
>> +#define APCB1_MASK_SIZE 4
>> +struct kvm_s390_apcb1 {
>> +	__u64 apm[APCB1_MASK_SIZE];		/* 0x0000 */
>> +	__u64 aqm[APCB1_MASK_SIZE];		/* 0x0020 */
>> +	__u64 adm[APCB1_MASK_SIZE];		/* 0x0040 */
>> +	__u64 reserved60[4];			/* 0x0060 */
>> +};
>> +
>>   struct kvm_s390_crypto_cb {
>> -	__u8    reserved00[72];                 /* 0x0000 */
>> -	__u8    dea_wrapping_key_mask[24];      /* 0x0048 */
>> -	__u8    aes_wrapping_key_mask[32];      /* 0x0060 */
>> -	__u8    reserved80[128];                /* 0x0080 */
>> +	struct kvm_s390_apcb0 apcb0;		/* 0x0000 */
>> +	__u8    reserved20[40];			/* 0x0020 */
>> +	__u8    dea_wrapping_key_mask[24];	/* 0x0048 */
>> +	__u8    aes_wrapping_key_mask[32];	/* 0x0060 */
>> +	struct kvm_s390_apcb1 apcb1;		/* 0x0080 */
>>   };
>>
>>   /*
>>


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