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GET /api/patches/2215438/?format=api
{ "id": 2215438, "url": "http://patchwork.ozlabs.org/api/patches/2215438/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260324-astfleie2-v2-2-13008712da00@linux.ibm.com/", "project": { "id": 14, "url": "http://patchwork.ozlabs.org/api/projects/14/?format=api", "name": "QEMU Development", "link_name": "qemu-devel", "list_id": "qemu-devel.nongnu.org", "list_email": "qemu-devel@nongnu.org", "web_url": "", "scm_url": "", "webscm_url": "", "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20260324-astfleie2-v2-2-13008712da00@linux.ibm.com>", "list_archive_url": null, "date": "2026-03-24T15:43:45", "name": "[v2,2/2] s390x/kvm: Add ASTFLE facility 2 for nested virtualization", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "76f2faa17610f9ca0489a00e72fa1129f14bdcb2", "submitter": { "id": 92629, "url": "http://patchwork.ozlabs.org/api/people/92629/?format=api", "name": "Christoph Schlameuss", "email": "schlameuss@linux.ibm.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260324-astfleie2-v2-2-13008712da00@linux.ibm.com/mbox/", "series": [ { "id": 497308, "url": "http://patchwork.ozlabs.org/api/series/497308/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=497308", "date": "2026-03-24T15:43:45", "name": "s390x/kvm: Add ASTFLE facility 2 for nested virtualization", "version": 2, "mbox": "http://patchwork.ozlabs.org/series/497308/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2215438/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2215438/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>", "X-Original-To": "incoming@patchwork.ozlabs.org", "Delivered-To": "patchwork-incoming@legolas.ozlabs.org", "Authentication-Results": [ "legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=ibm.com header.i=@ibm.com header.a=rsa-sha256\n header.s=pp1 header.b=bdSZ5hqq;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org\n (client-ip=209.51.188.17; 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a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=cc\n :content-transfer-encoding:content-type:date:from:in-reply-to\n :message-id:mime-version:references:subject:to; s=pp1; bh=DOvoxt\n /dv8MUFgtQa8JC8Zxbpi/ZvyJVq94Iqcmyp7w=; b=bdSZ5hqqzjrs+NqA8QnFJM\n 70WWgE9EAu9csdSp9lw67bHWwAB7Oecm7E+N403pa1DGjunJ9z9AcgO/a1YgYuI0\n FHbUoPR8Pxyg/r8PQwlgS9dFplenAVKjLUVdHNO3oC9bOM3bH0bxAR7zxGJ6JhR9\n GEn/5E/YqO0IgVraOZXY55vTigsDfhQqbDLCfLt0ASs1c/Tvj8CDjtgq8U/VkGJV\n IymxewDikjvN4+gUhIpUFhXXgtt95fdkQKIlaPicy8WJ7Gwc+IUDxlHPoMj/Dmzx\n SzX4vhmARg16ijk0apMMXmxkKjlEdz3sUmz4ZIh1Jw+u40xngORuCQ560pkWbk9g\n ==", "From": "Christoph Schlameuss <schlameuss@linux.ibm.com>", "Date": "Tue, 24 Mar 2026 16:43:45 +0100", "Subject": "[PATCH v2 2/2] s390x/kvm: Add ASTFLE facility 2 for nested\n virtualization", "MIME-Version": "1.0", "Content-Type": "text/plain; charset=\"utf-8\"", "Content-Transfer-Encoding": "7bit", "Message-Id": "<20260324-astfleie2-v2-2-13008712da00@linux.ibm.com>", "References": "<20260324-astfleie2-v2-0-13008712da00@linux.ibm.com>", "In-Reply-To": "<20260324-astfleie2-v2-0-13008712da00@linux.ibm.com>", "To": "qemu-s390x@nongnu.org", "Cc": "qemu-devel@nongnu.org, Halil Pasic <pasic@linux.ibm.com>,\n Christian Borntraeger <borntraeger@linux.ibm.com>,\n Eric Farman <farman@linux.ibm.com>,\n Matthew Rosato <mjrosato@linux.ibm.com>,\n Richard Henderson <richard.henderson@linaro.org>,\n Ilya Leoshkevich <iii@linux.ibm.com>, Thomas Huth <thuth@redhat.com>,\n \"Michael S. Tsirkin\" <mst@redhat.com>,\n Cornelia Huck <cohuck@redhat.com>, Paolo Bonzini <pbonzini@redhat.com>,\n Hendrik Brueckner <brueckner@linux.ibm.com>, kvm@vger.kernel.org,\n Christoph Schlameuss <schlameuss@linux.ibm.com>,\n Nina Schoetterl-Glausch <nsg@linux.ibm.com>", "X-Mailer": "b4 0.14.2", "X-Developer-Signature": "v=1; a=openpgp-sha256; l=5988;\n i=schlameuss@linux.ibm.com; h=from:subject:message-id;\n bh=gvG1XcpG/glmsAiJrBhJcMuZwl6O4NZQ/EvHGVriQrQ=;\n b=owGbwMvMwCUmoqVx+bqN+mXG02pJDJmHNrraxL9zqCz3cLd/eXHR//XPORiaL/juPi+jqFy0m\n /1b6fJbHaUsDGJcDLJiiizV4tZ5VX2tS+cctLwGM4eVCWQIAxenAEykXIzhn/VJ65T1glsTKgTO\n rxWZcynmSUkn21+evX5bWhR+f9zpWs3wv7jju66eT56boI3PamshtadNSf4TVAP+rW9T5yg+v1+\n eDwA=", "X-Developer-Key": "i=schlameuss@linux.ibm.com; a=openpgp;\n fpr=0E34A68642574B2253AF4D31EEED6AB388551EC3", "X-TM-AS-GCONF": "00", "X-Proofpoint-GUID": "HrTQ161wvs1NIvoCf9it2y1Il5DmYOCc", "X-Proofpoint-ORIG-GUID": "HrTQ161wvs1NIvoCf9it2y1Il5DmYOCc", "X-Proofpoint-Spam-Details-Enc": "AW1haW4tMjYwMzI0MDExOSBTYWx0ZWRfXwacVdL3oAH0x\n dI+sz4ownQdJWWM4ScqmJXdRmerbSrg8tOVk8N1OGPs1577LWGgMxqIa7Drw1rcYqfa9zM1OfAF\n Ug3q6sr+kvsUjwHaWtMooyIJJ4mBdzKxEvIErrxioHCBNRxpeCj0r0xTcbih3CK1VPWBgS3Wefz\n UqSzXlBbEKURxzz7k8DaJP36Ud9Sf8pi7C8G2EfwbJkLf8dVvSKY2JVeIjayvbDfhId84IYeUEn\n VagZTT5Z1YG1y9L53qkJjznFRLCFeDlgbkvKr1QQ5MvmyuIL99hOl5mVNS6GmEyMBEqYOXUFCCh\n QU4B8qN21Y3BGiV5ePnwwJwaHlL7iFQrUzOzKzL6ArwVk1WIVx9mjC0qSqdgcETQ5ao0s1KSQag\n J0BwhGXCqdzoX/nsmDf3RDLaPxDqp3dqAAmNSgrQIi55SACCRjsSWeTtPhnJoenTlw/ruFLAOzR\n rRnjubFc7onkbmiLe3w==", "X-Authority-Analysis": "v=2.4 cv=KbXfcAYD c=1 sm=1 tr=0 ts=69c2b14d cx=c_pps\n a=aDMHemPKRhS1OARIsFnwRA==:117 a=aDMHemPKRhS1OARIsFnwRA==:17\n a=IkcTkHD0fZMA:10 a=Yq5XynenixoA:10 a=VkNPw1HP01LnGYTKEx00:22\n a=RnoormkPH1_aCDwRdu11:22 a=RzCfie-kr_QcCd8fBx8p:22 a=VnNF1IyMAAAA:8\n a=c4FJ2arq-s_u2TxWmaEA:9 a=QEXdDO2ut3YA:10", "X-Proofpoint-Virus-Version": "vendor=baseguard\n engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49\n definitions=2026-03-24_03,2026-03-23_02,2025-10-01_01", "X-Proofpoint-Spam-Details": "rule=outbound_notspam policy=outbound score=0\n suspectscore=0 impostorscore=0 malwarescore=0 adultscore=0 clxscore=1015\n priorityscore=1501 bulkscore=0 lowpriorityscore=0 phishscore=0 spamscore=0\n classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0\n reason=mlx scancount=1 engine=8.22.0-2603050001 definitions=main-2603240119", "Received-SPF": "pass client-ip=148.163.158.5;\n envelope-from=schlameuss@linux.ibm.com; helo=mx0b-001b2d01.pphosted.com", "X-Spam_score_int": "-26", "X-Spam_score": "-2.7", "X-Spam_bar": "--", "X-Spam_report": "(-2.7 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1,\n DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7,\n RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001,\n RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001,\n RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001,\n SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no", "X-Spam_action": "no action", "X-BeenThere": "qemu-devel@nongnu.org", "X-Mailman-Version": "2.1.29", "Precedence": "list", "List-Id": "qemu development <qemu-devel.nongnu.org>", "List-Unsubscribe": "<https://lists.nongnu.org/mailman/options/qemu-devel>,\n <mailto:qemu-devel-request@nongnu.org?subject=unsubscribe>", "List-Archive": "<https://lists.nongnu.org/archive/html/qemu-devel>", "List-Post": "<mailto:qemu-devel@nongnu.org>", "List-Help": "<mailto:qemu-devel-request@nongnu.org?subject=help>", "List-Subscribe": "<https://lists.nongnu.org/mailman/listinfo/qemu-devel>,\n <mailto:qemu-devel-request@nongnu.org?subject=subscribe>", "Errors-To": "qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org", "Sender": "qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org" }, "content": "Allow propagation of the ASTFLEIE2 feature bit.\n\nIf the host does have the ASTFLE Interpretive Execution Facility 2 the\nguest can enable the ASTFLE format 2 for its guests.\n\nSigned-off-by: Christoph Schlameuss <schlameuss@linux.ibm.com>\nReviewed-by: Nina Schoetterl-Glausch <nsg@linux.ibm.com>\n---\n hw/s390x/sclp.c | 2 ++\n include/hw/s390x/sclp.h | 4 +++-\n target/s390x/cpu_features.c | 3 +++\n target/s390x/cpu_features.h | 1 +\n target/s390x/cpu_features_def.h.inc | 3 +++\n target/s390x/cpu_models.c | 2 ++\n target/s390x/gen-features.c | 1 +\n target/s390x/kvm/kvm.c | 1 +\n 8 files changed, 16 insertions(+), 1 deletion(-)", "diff": "diff --git a/hw/s390x/sclp.c b/hw/s390x/sclp.c\nindex b9c3983df195c4130ad91e06d05c43afc6f5d9d2..2d2cde7803ff45f531047944a15308d4077eda3a 100644\n--- a/hw/s390x/sclp.c\n+++ b/hw/s390x/sclp.c\n@@ -146,6 +146,8 @@ static void read_SCP_info(SCLPDevice *sclp, SCCB *sccb)\n if (s390_has_feat(S390_FEAT_EXTENDED_LENGTH_SCCB)) {\n s390_get_feat_block(S390_FEAT_TYPE_SCLP_FAC134,\n &read_info->fac134);\n+ s390_get_feat_block(S390_FEAT_TYPE_SCLP_FAC139,\n+ &read_info->fac139);\n }\n \n read_info->facilities = cpu_to_be64(SCLP_HAS_CPU_INFO |\ndiff --git a/include/hw/s390x/sclp.h b/include/hw/s390x/sclp.h\nindex ddc61f1c21480824971888207c4ffbfb381b464b..e1f9b0f6bc10d4b2157da2e5fc8f85f8f755efb3 100644\n--- a/include/hw/s390x/sclp.h\n+++ b/include/hw/s390x/sclp.h\n@@ -136,7 +136,9 @@ typedef struct ReadInfo {\n uint32_t hmfai;\n uint8_t _reserved7[134 - 128]; /* 128-133 */\n uint8_t fac134;\n- uint8_t _reserved8[144 - 135]; /* 135-143 */\n+ uint8_t _reserved8[139 - 135]; /* 135-138 */\n+ uint8_t fac139;\n+ uint8_t _reserved9[144 - 140]; /* 140-143 */\n struct CPUEntry entries[];\n /*\n * When the Extended-Length SCCB (ELS) feature is enabled the\ndiff --git a/target/s390x/cpu_features.c b/target/s390x/cpu_features.c\nindex 4b5be6798ef5460c71aa0f2567ebeb0aeb9551da..896914888aa98938f4e1984cec599c5f823b0d9a 100644\n--- a/target/s390x/cpu_features.c\n+++ b/target/s390x/cpu_features.c\n@@ -148,6 +148,9 @@ void s390_fill_feat_block(const S390FeatBitmap features, S390FeatType type,\n case S390_FEAT_TYPE_SCLP_FAC134:\n clear_be_bit(s390_feat_def(S390_FEAT_DIAG_318)->bit, data);\n break;\n+ case S390_FEAT_TYPE_SCLP_FAC139:\n+ clear_be_bit(s390_feat_def(S390_FEAT_SIE_ASTFLEIE2)->bit, data);\n+ break;\n default:\n return;\n }\ndiff --git a/target/s390x/cpu_features.h b/target/s390x/cpu_features.h\nindex 5635839d032900089515a440bedb0aca6139a41a..52a82da751ec5ac10fc738121ea28a095c08e8c4 100644\n--- a/target/s390x/cpu_features.h\n+++ b/target/s390x/cpu_features.h\n@@ -24,6 +24,7 @@ typedef enum {\n S390_FEAT_TYPE_SCLP_CONF_CHAR,\n S390_FEAT_TYPE_SCLP_CONF_CHAR_EXT,\n S390_FEAT_TYPE_SCLP_FAC134,\n+ S390_FEAT_TYPE_SCLP_FAC139,\n S390_FEAT_TYPE_SCLP_CPU,\n S390_FEAT_TYPE_MISC,\n S390_FEAT_TYPE_PLO,\ndiff --git a/target/s390x/cpu_features_def.h.inc b/target/s390x/cpu_features_def.h.inc\nindex c017bffcdc4d6fb14855ceaf1e47a2c58865befd..a822f0f2fe99239fe8051f54db49773d73d20996 100644\n--- a/target/s390x/cpu_features_def.h.inc\n+++ b/target/s390x/cpu_features_def.h.inc\n@@ -139,6 +139,9 @@ DEF_FEAT(SIE_IBS, \"ibs\", SCLP_CONF_CHAR_EXT, 10, \"SIE: Interlock-and-broadcast-s\n /* Features exposed via SCLP SCCB Facilities byte 134 (bit numbers relative to byte-134) */\n DEF_FEAT(DIAG_318, \"diag318\", SCLP_FAC134, 0, \"Control program name and version codes\")\n \n+/* Features exposed via SCLP SCCB Facilities byte 139 (bit numbers relative to byte-139) */\n+DEF_FEAT(SIE_ASTFLEIE2, \"astfleie2\", SCLP_FAC139, 1, \"SIE: ASTFLE interpretation execution facility 2\")\n+\n /* Features exposed via SCLP CPU info. */\n DEF_FEAT(SIE_F2, \"sief2\", SCLP_CPU, 4, \"SIE: interception format 2 (Virtual SIE)\")\n DEF_FEAT(SIE_SKEY, \"skey\", SCLP_CPU, 5, \"SIE: Storage-key facility\")\ndiff --git a/target/s390x/cpu_models.c b/target/s390x/cpu_models.c\nindex 954a7a99a9e9b79dfb48639993055a10f8f281d8..128f6643ea235a4ab43834b7044929de885a7fab 100644\n--- a/target/s390x/cpu_models.c\n+++ b/target/s390x/cpu_models.c\n@@ -263,6 +263,7 @@ bool s390_has_feat(S390Feat feat)\n case S390_FEAT_SIE_PFMFI:\n case S390_FEAT_SIE_IBS:\n case S390_FEAT_CONFIGURATION_TOPOLOGY:\n+ case S390_FEAT_SIE_ASTFLEIE2:\n return false;\n break;\n default:\n@@ -553,6 +554,7 @@ static void check_consistency(const S390CPUModel *model)\n { S390_FEAT_PLO_QSTG, S390_FEAT_PLO_EXT },\n { S390_FEAT_PLO_QSTX, S390_FEAT_PLO_EXT },\n { S390_FEAT_PLO_QSTO, S390_FEAT_PLO_EXT },\n+ { S390_FEAT_SIE_ASTFLEIE2, S390_FEAT_STFLE },\n };\n int i;\n \ndiff --git a/target/s390x/gen-features.c b/target/s390x/gen-features.c\nindex 8218e6470ec9c8c5eaa3eb7c56f04ee44e8b7ea0..a309dc2c09ab0abc7cbea32d207ce3e1c2fa195e 100644\n--- a/target/s390x/gen-features.c\n+++ b/target/s390x/gen-features.c\n@@ -720,6 +720,7 @@ static uint16_t full_GEN16_GA1[] = {\n S390_FEAT_PAIE,\n S390_FEAT_UV_FEAT_AP,\n S390_FEAT_UV_FEAT_AP_INTR,\n+ S390_FEAT_SIE_ASTFLEIE2,\n };\n \n static uint16_t full_GEN17_GA1[] = {\ndiff --git a/target/s390x/kvm/kvm.c b/target/s390x/kvm/kvm.c\nindex 54d28e37d4dda8e341675e6bbaf5cc74ca80f45f..a4733365db3702ea17719a68cefd6fd85d2c8633 100644\n--- a/target/s390x/kvm/kvm.c\n+++ b/target/s390x/kvm/kvm.c\n@@ -2305,6 +2305,7 @@ static int kvm_to_feat[][2] = {\n { KVM_S390_VM_CPU_FEAT_PFMFI, S390_FEAT_SIE_PFMFI},\n { KVM_S390_VM_CPU_FEAT_SIGPIF, S390_FEAT_SIE_SIGPIF},\n { KVM_S390_VM_CPU_FEAT_KSS, S390_FEAT_SIE_KSS},\n+ { KVM_S390_VM_CPU_FEAT_ASTFLEIE2, S390_FEAT_SIE_ASTFLEIE2 },\n };\n \n static int query_cpu_feat(S390FeatBitmap features)\n", "prefixes": [ "v2", "2/2" ] }