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Wed, 24 Apr 2024 21:57:12 +0000 Received: from smtpav04.dal12v.mail.ibm.com (smtpav04.dal12v.mail.ibm.com [10.241.53.103]) by smtprelay06.dal12v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 43OLv9pg34669272 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 24 Apr 2024 21:57:11 GMT Received: from smtpav04.dal12v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 85DD058063; Wed, 24 Apr 2024 21:57:09 +0000 (GMT) Received: from smtpav04.dal12v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 0237458052; Wed, 24 Apr 2024 21:57:09 +0000 (GMT) Received: from li-d664314c-3171-11b2-a85c-fa8047ef35bd.pok.ibm.com (unknown [9.12.68.85]) by smtpav04.dal12v.mail.ibm.com (Postfix) with ESMTP; Wed, 24 Apr 2024 21:57:08 +0000 (GMT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-transfer-encoding; s=pp1; bh=2XfM2XsAqIeQjsMBhA4cwH8vbilT8U7tjV8WGvYU0TU=; b=g/kvmi6pB3kBbS8LchQLAdMNSfStV+Y/gJCjNve0cXqP9wi9jigeGi5nOzNUSeX8hbK+ 32NA0QylIQMrbN6xy0XB2HDnArdUM6p1UulvKyee5YFWzqRbPYlwRwPAgk8JxYJiTfMm fvIMR1u+WAge9QRZvrM1rMZLRYr24DdDRuITPLHHMhosOSlxcjRhf53achj9zxtRqeCB 2zXgutzxtaJV+9J3NeTaC9XQI46dGn4i+FbLjDCq23j+wTF7HLGcz2uM70/kfrFYhe7v UTlfSOgv6S2Tl/qMqn4F+qc7/7Uij6cYrkxvuxtQ/AXtl4Bg2aU7xydt4oph2zK58XIx pw== From: Collin Walling To: qemu-s390x@nongnu.org, qemu-devel@nongnu.org Cc: thuth@redhat.com, david@redhat.com, wangyanan55@huawei.com, philmd@linaro.org, marcel.apfelbaum@gmail.com, eduardo@habkost.net, armbru@redhat.com, Collin Walling Subject: [PATCH v3 1/2] target/s390x: report deprecated-props in cpu-model-expansion reply Date: Wed, 24 Apr 2024 17:56:32 -0400 Message-ID: <20240424215633.48906-2-walling@linux.ibm.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240424215633.48906-1-walling@linux.ibm.com> References: <20240424215633.48906-1-walling@linux.ibm.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-TM-AS-GCONF: 00 X-Proofpoint-GUID: BlSuWXB5aTmnabh589I_BODB2l0nzgdh X-Proofpoint-ORIG-GUID: OUkLzrt85j16EiuXcx8Jb9fsGN6QQMoI X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1011,Hydra:6.0.650,FMLib:17.11.176.26 definitions=2024-04-24_19,2024-04-24_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 impostorscore=0 mlxscore=0 spamscore=0 priorityscore=1501 malwarescore=0 mlxlogscore=999 suspectscore=0 lowpriorityscore=0 phishscore=0 bulkscore=0 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2404010000 definitions=main-2404240114 Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=148.163.158.5; envelope-from=walling@linux.ibm.com; helo=mx0b-001b2d01.pphosted.com X-Spam_score_int: -19 X-Spam_score: -2.0 X-Spam_bar: -- X-Spam_report: (-2.0 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, 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: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @ibm.com) X-ZM-MESSAGEID: 1713997134977100001 Content-Type: text/plain; charset="utf-8" Retain a list of deprecated features disjoint from any particular CPU model. A query-cpu-model-expansion reply will now provide a list of properties (i.e. features) that are flagged as deprecated. Example: { "return": { "model": { "name": "z14.2-base", "deprecated-props": [ "bpb", "csske" ], "props": { "pfmfi": false, "exrl": true, ...a lot more props... "skey": false, "vxpdeh2": false } } } } It is recommended that s390 guests operate with these features explicitly disabled to ensure compatability with future hardware. Signed-off-by: Collin Walling --- qapi/machine-target.json | 5 ++++- target/s390x/cpu_features.c | 14 ++++++++++++++ target/s390x/cpu_features.h | 1 + target/s390x/cpu_models_sysemu.c | 6 ++++++ 4 files changed, 25 insertions(+), 1 deletion(-) diff --git a/qapi/machine-target.json b/qapi/machine-target.json index 29e695aa06..3799a60e3d 100644 --- a/qapi/machine-target.json +++ b/qapi/machine-target.json @@ -20,11 +20,14 @@ # # @props: a dictionary of QOM properties to be applied # +# @deprecated-props: a list of QOM properties that are flagged as deprecat= ed +# # Since: 2.8 ## { 'struct': 'CpuModelInfo', 'data': { 'name': 'str', - '*props': 'any' } } + '*props': 'any', + '*deprecated-props': ['str'] } } =20 ## # @CpuModelExpansionType: diff --git a/target/s390x/cpu_features.c b/target/s390x/cpu_features.c index d28eb65845..efafc9711c 100644 --- a/target/s390x/cpu_features.c +++ b/target/s390x/cpu_features.c @@ -212,6 +212,20 @@ void s390_feat_bitmap_to_ascii(const S390FeatBitmap fe= atures, void *opaque, }; } =20 +void s390_get_deprecated_features(S390FeatBitmap features) +{ + static const int feats[] =3D { + /* CSSKE is deprecated on newer generations */ + S390_FEAT_CONDITIONAL_SSKE, + S390_FEAT_BPB, + }; + int i; + + for (i =3D 0; i < ARRAY_SIZE(feats); i++) { + set_bit(feats[i], features); + } +} + #define FEAT_GROUP_INIT(_name, _group, _desc) \ { \ .name =3D _name, \ diff --git a/target/s390x/cpu_features.h b/target/s390x/cpu_features.h index a9bd68a2e1..661a8cd6db 100644 --- a/target/s390x/cpu_features.h +++ b/target/s390x/cpu_features.h @@ -69,6 +69,7 @@ void s390_add_from_feat_block(S390FeatBitmap features, S3= 90FeatType type, uint8_t *data); void s390_feat_bitmap_to_ascii(const S390FeatBitmap features, void *opaque, void (*fn)(const char *name, void *opaque)); +void s390_get_deprecated_features(S390FeatBitmap features); =20 /* Definition of a CPU feature group */ typedef struct { diff --git a/target/s390x/cpu_models_sysemu.c b/target/s390x/cpu_models_sys= emu.c index 2d99218069..307e3885f4 100644 --- a/target/s390x/cpu_models_sysemu.c +++ b/target/s390x/cpu_models_sysemu.c @@ -206,6 +206,12 @@ static void cpu_info_from_model(CpuModelInfo *info, co= nst S390CPUModel *model, } else { info->props =3D QOBJECT(qdict); } + + bitmap_zero(bitmap, S390_FEAT_MAX); + s390_get_deprecated_features(bitmap); + s390_feat_bitmap_to_ascii(bitmap, &info->deprecated_props, + list_add_feat); + info->has_deprecated_props =3D !!info->deprecated_props; } =20 CpuModelExpansionInfo *qmp_query_cpu_model_expansion(CpuModelExpansionType= type, --=20 2.43.0 From nobody Sat May 18 08:14:16 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=reject dis=none) header.from=linux.ibm.com ARC-Seal: i=1; a=rsa-sha256; t=1713997146; cv=none; d=zohomail.com; s=zohoarc; b=i94TnjNRzEwCNDGSZCcuSAfdJ0mCQ0bIs8jswE+V1bjl5K1sgndjClJy28cV8QNwBdzhoMS3i/r+n3vtlGHCsLYuQHzPSYVpc3gI8IO35MZbF3kLxXsvQ89qWyGuTvE4nCqJL+mIH//hM3QUWJ5drxjWfgtMd/pK/kHCix0h94E= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1713997146; 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Wed, 24 Apr 2024 21:57:09 +0000 (GMT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-transfer-encoding; s=pp1; bh=3l7a+LtlfYLSSeP8pV1bFtJy9PTMyZYRKayWoEi4qOA=; b=B6Fpb5Stf1APYT6VR2jc3I/3jDI55ZaV744/tGWgl9r0PBj5Rr2JIp+EG0a77ofv7fQA 1vPQ5OjylHrqb+F/x24sCbz4cTOiLIMSmlaNcowswY0GX/1mK9N3h5H26RnGo5Xy7hVQ 0faR7I1Q+qm88I6EWLVXRBMWYSJSE5dyyQaGixTi9Bx1Yq96RM0Qzxumc4fTQvF9nxx3 kH+i/v+8pFXEZ372ytt1LQQipRw2lMVqSB11mFE+LR9ICuur1l0V9HwL2uMt2cDtYuDh GM1NWp1oxgEH/84PwYcn9eqnZ3Tru547kxMAhldozd5WV8yHr6SANGnqTBK/SbWOF1tn Cg== From: Collin Walling To: qemu-s390x@nongnu.org, qemu-devel@nongnu.org Cc: thuth@redhat.com, david@redhat.com, wangyanan55@huawei.com, philmd@linaro.org, marcel.apfelbaum@gmail.com, eduardo@habkost.net, armbru@redhat.com, Collin Walling Subject: [PATCH v3 2/2] target/s390x: flag te and cte as deprecated Date: Wed, 24 Apr 2024 17:56:33 -0400 Message-ID: <20240424215633.48906-3-walling@linux.ibm.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240424215633.48906-1-walling@linux.ibm.com> References: <20240424215633.48906-1-walling@linux.ibm.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-TM-AS-GCONF: 00 X-Proofpoint-GUID: 1uUrZ6p6nSysA2-63l-HxXKY20dsxfc5 X-Proofpoint-ORIG-GUID: 5iA9nptpUpFhUin1megX4bkpFZdOX0Fy X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1011,Hydra:6.0.650,FMLib:17.11.176.26 definitions=2024-04-24_19,2024-04-24_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 adultscore=0 suspectscore=0 malwarescore=0 priorityscore=1501 impostorscore=0 bulkscore=0 spamscore=0 mlxscore=0 phishscore=0 clxscore=1015 mlxlogscore=986 lowpriorityscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2404010000 definitions=main-2404240114 Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=148.163.158.5; envelope-from=walling@linux.ibm.com; helo=mx0b-001b2d01.pphosted.com X-Spam_score_int: -19 X-Spam_score: -2.0 X-Spam_bar: -- X-Spam_report: (-2.0 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, 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: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @ibm.com) X-ZM-MESSAGEID: 1713997146933100001 Content-Type: text/plain; charset="utf-8" Add the CONSTRAINT_TRANSACTIONAL_EXE (cte) and TRANSACTIONAL_EXE (te) to the list of deprecated features. Signed-off-by: Collin Walling --- target/s390x/cpu_features.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/target/s390x/cpu_features.c b/target/s390x/cpu_features.c index efafc9711c..cb4e2b8920 100644 --- a/target/s390x/cpu_features.c +++ b/target/s390x/cpu_features.c @@ -218,6 +218,9 @@ void s390_get_deprecated_features(S390FeatBitmap featur= es) /* CSSKE is deprecated on newer generations */ S390_FEAT_CONDITIONAL_SSKE, S390_FEAT_BPB, + /* Deprecated on z16 */ + S390_FEAT_CONSTRAINT_TRANSACTIONAL_EXE, + S390_FEAT_TRANSACTIONAL_EXE }; int i; =20 --=20 2.43.0