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Mon, 15 Jun 2026 12:42:49 +0000 (GMT) Received: from p-imbrenda.ibmuc.com (unknown [9.111.31.49]) by smtpav02.fra02v.mail.ibm.com (Postfix) with ESMTP; Mon, 15 Jun 2026 12:42:49 +0000 (GMT) From: Claudio Imbrenda To: pbonzini@redhat.com Cc: kvm@vger.kernel.org, linux-s390@vger.kernel.org, frankja@linux.ibm.com, borntraeger@de.ibm.com Subject: [GIT PULL v1 12/17] s390/sclp: Detect ASTFLEIE 2 facility Date: Mon, 15 Jun 2026 14:42:38 +0200 Message-ID: <20260615124243.187614-13-imbrenda@linux.ibm.com> X-Mailer: git-send-email 2.54.0 In-Reply-To: <20260615124243.187614-1-imbrenda@linux.ibm.com> References: <20260615124243.187614-1-imbrenda@linux.ibm.com> Precedence: bulk X-Mailing-List: linux-s390@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-Spam-Info: AW1haW4tMjYwNjE1MDEzMCBTYWx0ZWRfX5z9U/G/+B6tj f3DlMKHzoEhBpuTeElgKxvgD70pDa6/FBdFrfeSSZmdBs9XjJmjDxS198qAaUsl/HfRWPfULVRj GxnZEkMXNijcA6maBzjxz6mCgpHaYlM= X-Proofpoint-ORIG-GUID: aANmKS0kvmAJ7oyvaa4FME_MccValfAJ X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNjE1MDEzMCBTYWx0ZWRfX1is7cFq+sSK1 UuJE+T+MSqZ7dU/Rleuvl2Vj+SS50AAY6ZAJRqVCso9J66HJ3KFn/zAgRfBf1nZuOb/nDWmHHRy pK47uS+JYF70TB9dEoyuwC4aB6TxdsqBEGlstmmLB/auzUt/sXHYlB0jjdr3PgjartD6oPY6CHN ussnz3kMCj0cYEt17kIjnytwwS2hXokOka2DYf1fGM1hiE5mgu0hDjHRjNM/oCQiXOTIggXoAu9 rJJTBW2QgnBFpELlY0k0gW+5tHUbkAk6NUZC7ESgrBj0PkB8De9jZVZ2cCfsuqnpqjwzpGmghHK BYA59I0NXLigsmZuuB9z4AMNI4sSOQiH4F/lDs+wO1TezacyOcM0rxDQoSNilpf3AqRKMkafh0e dvKQ2Gz9w9hiLx+Qb0EtZhAomyAoVfrIrlWk1a456h9YHAveofs6tpbZv6xO0yeAaIj+wRzCx/4 pUANx7LElSt+FIi6tJA== X-Authority-Analysis: v=2.4 cv=U9uiy+ru c=1 sm=1 tr=0 ts=6a2ff351 cx=c_pps a=aDMHemPKRhS1OARIsFnwRA==:117 a=aDMHemPKRhS1OARIsFnwRA==:17 a=FelO9ux0wxsA:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22 a=uAbxVGIbfxUO_5tXvNgY:22 a=VnNF1IyMAAAA:8 a=txTkv-xiYvDc7-xnE9QA:9 X-Proofpoint-GUID: aANmKS0kvmAJ7oyvaa4FME_MccValfAJ X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.125,FMLib:17.12.100.49 definitions=2026-06-15_03,2026-06-15_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 impostorscore=0 bulkscore=0 phishscore=0 priorityscore=1501 clxscore=1015 adultscore=0 malwarescore=0 suspectscore=0 spamscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606040000 definitions=main-2606150130 From: Nina Schoetterl-Glausch Detect alternate STFLE interpretive execution facility 2. Signed-off-by: Nina Schoetterl-Glausch Signed-off-by: Christoph Schlameuss Reviewed-by: Janosch Frank Reviewed-by: Hendrik Brueckner Reviewed-by: Claudio Imbrenda Signed-off-by: Claudio Imbrenda Message-ID: <20260612-vsie-alter-stfle-fac-v4-2-74f0e1559929@linux.ibm.com> --- arch/s390/include/asm/sclp.h | 1 + drivers/s390/char/sclp_early.c | 4 +++- 2 files changed, 4 insertions(+), 1 deletion(-) diff --git a/arch/s390/include/asm/sclp.h b/arch/s390/include/asm/sclp.h index 0f184dbdbe5e..0f21501d3e86 100644 --- a/arch/s390/include/asm/sclp.h +++ b/arch/s390/include/asm/sclp.h @@ -104,6 +104,7 @@ struct sclp_info { unsigned char has_aisii : 1; unsigned char has_aeni : 1; unsigned char has_aisi : 1; + unsigned char has_astfleie2 : 1; unsigned int ibc; unsigned int mtid; unsigned int mtid_cp; diff --git a/drivers/s390/char/sclp_early.c b/drivers/s390/char/sclp_early.c index 6bf501ad8ff0..22dd797e6229 100644 --- a/drivers/s390/char/sclp_early.c +++ b/drivers/s390/char/sclp_early.c @@ -61,8 +61,10 @@ static void __init sclp_early_facilities_detect(void) sclp.has_sipl = !!(sccb->cbl & 0x4000); sclp.has_sipl_eckd = !!(sccb->cbl & 0x2000); } - if (sccb->cpuoff > 139) + if (sccb->cpuoff > 139) { sclp.has_diag324 = !!(sccb->byte_139 & 0x80); + sclp.has_astfleie2 = !!(sccb->byte_139 & 0x40); + } sclp.rnmax = sccb->rnmax ? sccb->rnmax : sccb->rnmax2; sclp.rzm = sccb->rnsize ? sccb->rnsize : sccb->rnsize2; sclp.rzm <<= 20; -- 2.54.0