From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tony Krowiak Subject: [RFC 01/19] KVM: s390: SIE considerations for AP Queue virtualization Date: Fri, 13 Oct 2017 13:38:46 -0400 Message-ID: <1507916344-3896-2-git-send-email-akrowiak@linux.vnet.ibm.com> References: <1507916344-3896-1-git-send-email-akrowiak@linux.vnet.ibm.com> Cc: freude@de.ibm.com, schwidefsky@de.ibm.com, heiko.carstens@de.ibm.com, borntraeger@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, Tony Krowiak To: linux-s390@vger.kernel.org, linux-kernel@vger.kernel.org, kvm@vger.kernel.org Return-path: Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]:52232 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752896AbdJMRj5 (ORCPT ); Fri, 13 Oct 2017 13:39:57 -0400 Received: from pps.filterd (m0098404.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.21/8.16.0.21) with SMTP id v9DHdT5t043259 for ; Fri, 13 Oct 2017 13:39:57 -0400 Received: from e18.ny.us.ibm.com (e18.ny.us.ibm.com [129.33.205.208]) by mx0a-001b2d01.pphosted.com with ESMTP id 2dk0y0tfwq-1 (version=TLSv1.2 cipher=AES256-SHA bits=256 verify=NOT) for ; Fri, 13 Oct 2017 13:39:57 -0400 Received: from localhost by e18.ny.us.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Fri, 13 Oct 2017 13:39:55 -0400 In-Reply-To: <1507916344-3896-1-git-send-email-akrowiak@linux.vnet.ibm.com> Sender: kvm-owner@vger.kernel.org List-ID: 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 --- 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 */ }; /* -- 1.7.1