From ba850a8e64fbbd5f6407d5931124d00ced0528cc Mon Sep 17 00:00:00 2001 From: Tony Krowiak Date: Fri, 13 Oct 2017 13:38:46 -0400 Subject: KVM: s390: SIE considerations for AP Queue virtualization 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 Message-Id: <1507916344-3896-2-git-send-email-akrowiak@linux.vnet.ibm.com> Acked-by: Cornelia Huck Signed-off-by: Christian Borntraeger --- arch/s390/include/asm/kvm_host.h | 25 +++++++++++++++++++++---- 1 file changed, 21 insertions(+), 4 deletions(-) (limited to 'arch/s390') diff --git a/arch/s390/include/asm/kvm_host.h b/arch/s390/include/asm/kvm_host.h index fd006a272024..f3a9b5a445b6 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[0x0048 - 0x0020]; /* 0x0020 */ + __u8 dea_wrapping_key_mask[24]; /* 0x0048 */ + __u8 aes_wrapping_key_mask[32]; /* 0x0060 */ + struct kvm_s390_apcb1 apcb1; /* 0x0080 */ }; /* -- cgit