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| author | Jason J. Herne <jjherne@linux.vnet.ibm.com> | 2017-03-20 09:57:42 -0400 |
|---|---|---|
| committer | Christian Borntraeger <borntraeger@de.ibm.com> | 2017-04-26 14:19:01 +0200 |
| commit | e000b8e0968dd7bfa09c444607ce1e48e57aafd3 (patch) | |
| tree | 0565a2247daeacceb4c272ff2543d944d7785a03 | |
| parent | 0850e9219bd0d8fc337adb88c350b878f0dcbaa7 (diff) | |
| download | linux-e000b8e0968dd7bfa09c444607ce1e48e57aafd3.tar.bz2 | |
s390: kvm: Cpu model support for msa6, msa7 and msa8
msa6 and msa7 require no changes.
msa8 adds kma instruction and feature area.
Signed-off-by: Jason J. Herne <jjherne@linux.vnet.ibm.com>
Reviewed-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
| -rw-r--r-- | Documentation/virtual/kvm/devices/vm.txt | 3 | ||||
| -rw-r--r-- | arch/s390/include/uapi/asm/kvm.h | 3 | ||||
| -rw-r--r-- | arch/s390/kvm/kvm-s390.c | 4 | ||||
| -rw-r--r-- | arch/s390/tools/gen_facilities.c | 1 | ||||
| -rw-r--r-- | tools/arch/s390/include/uapi/asm/kvm.h | 3 |
5 files changed, 11 insertions, 3 deletions
diff --git a/Documentation/virtual/kvm/devices/vm.txt b/Documentation/virtual/kvm/devices/vm.txt index b6cda49f2ba4..575ccb022aac 100644 --- a/Documentation/virtual/kvm/devices/vm.txt +++ b/Documentation/virtual/kvm/devices/vm.txt @@ -140,7 +140,8 @@ struct kvm_s390_vm_cpu_subfunc { u8 kmo[16]; # valid with Message-Security-Assist-Extension 4 u8 pcc[16]; # valid with Message-Security-Assist-Extension 4 u8 ppno[16]; # valid with Message-Security-Assist-Extension 5 - u8 reserved[1824]; # reserved for future instructions + u8 kma[16]; # valid with Message-Security-Assist-Extension 8 + u8 reserved[1808]; # reserved for future instructions }; Parameters: address of a buffer to load the subfunction blocks from. diff --git a/arch/s390/include/uapi/asm/kvm.h b/arch/s390/include/uapi/asm/kvm.h index bf9267930939..3dd2a1d308dd 100644 --- a/arch/s390/include/uapi/asm/kvm.h +++ b/arch/s390/include/uapi/asm/kvm.h @@ -141,7 +141,8 @@ struct kvm_s390_vm_cpu_subfunc { __u8 kmo[16]; /* with MSA4 */ __u8 pcc[16]; /* with MSA4 */ __u8 ppno[16]; /* with MSA5 */ - __u8 reserved[1824]; + __u8 kma[16]; /* with MSA8 */ + __u8 reserved[1808]; }; /* kvm attributes for crypto */ diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c index 8771fef112a1..7eb1275cc265 100644 --- a/arch/s390/kvm/kvm-s390.c +++ b/arch/s390/kvm/kvm-s390.c @@ -276,6 +276,10 @@ static void kvm_s390_cpu_feat_init(void) __cpacf_query(CPACF_PPNO, (cpacf_mask_t *) kvm_s390_available_subfunc.ppno); + if (test_facility(146)) /* MSA8 */ + __cpacf_query(CPACF_KMA, (cpacf_mask_t *) + kvm_s390_available_subfunc.kma); + if (MACHINE_HAS_ESOP) allow_cpu_feat(KVM_S390_VM_CPU_FEAT_ESOP); /* diff --git a/arch/s390/tools/gen_facilities.c b/arch/s390/tools/gen_facilities.c index 0cf802de52a1..be63fbd699fd 100644 --- a/arch/s390/tools/gen_facilities.c +++ b/arch/s390/tools/gen_facilities.c @@ -82,6 +82,7 @@ static struct facility_def facility_defs[] = { 78, /* enhanced-DAT 2 */ 130, /* instruction-execution-protection */ 131, /* enhanced-SOP 2 and side-effect */ + 146, /* msa extension 8 */ -1 /* END */ } }, diff --git a/tools/arch/s390/include/uapi/asm/kvm.h b/tools/arch/s390/include/uapi/asm/kvm.h index a2ffec4139ad..7f4fd65e9208 100644 --- a/tools/arch/s390/include/uapi/asm/kvm.h +++ b/tools/arch/s390/include/uapi/asm/kvm.h @@ -131,7 +131,8 @@ struct kvm_s390_vm_cpu_subfunc { __u8 kmo[16]; /* with MSA4 */ __u8 pcc[16]; /* with MSA4 */ __u8 ppno[16]; /* with MSA5 */ - __u8 reserved[1824]; + __u8 kma[16]; /* with MSA8 */ + __u8 reserved[1808]; }; /* kvm attributes for crypto */ |