From nobody Mon Mar 2 10:46:40 2026 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=unpredictable.fr ARC-Seal: i=1; a=rsa-sha256; t=1772315296; cv=none; d=zohomail.com; s=zohoarc; b=EZMhxayZS5Y1nXEN47+X0D74x+Pdfi4ClDgkqnA58fo99N40qfjh1yfPwtjl+SAk6QneOMugwSl5z6m+cV7rTPW0veoU6XfJIzZp0/G+YdkemYWkGzPLRXzqhHoWGCxq8xcHVt130RluLDB5HpZIM4DgQOTQpV2Czs+nO5Wheok= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1772315296; h=Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To; bh=x5vmcSdYHKQ1byZOmRZeGIdImPo+Cp8DSOTH0Tm5/x8=; b=muOAejcYN4VzBi0Rpe6+J2cLFrWUnWc/FZpZHENYr4bIhd06pFnnTf+rxajLjqdJgvp3/vZR3o86GLpJhb9AhFgLrD6cT9HGpW1wPaOTX4VXG7dbVMvh1V68WqGiw/7SWUWHnP06vRD5lqHgRogHQ/rvZAxa+PnH93Hn+2sltWo= ARC-Authentication-Results: i=1; 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 header.from= (p=reject dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1772315296325743.8472665805803; Sat, 28 Feb 2026 13:48:16 -0800 (PST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1vwS9j-0004CU-1K; Sat, 28 Feb 2026 16:47:23 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1vwS9d-0004Ai-GU for qemu-devel@nongnu.org; Sat, 28 Feb 2026 16:47:17 -0500 Received: from qs-2005b-snip4-7.eps.apple.com ([57.103.86.148] helo=outbound.qs.icloud.com) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1vwS9a-0002To-OC for qemu-devel@nongnu.org; Sat, 28 Feb 2026 16:47:17 -0500 Received: from outbound.qs.icloud.com (unknown [127.0.0.2]) by p00-icloudmta-asmtp-us-east-2d-20-percent-1 (Postfix) with ESMTPS id 61D5518000BB; Sat, 28 Feb 2026 21:47:11 +0000 (UTC) Received: from localhost.localdomain (unknown [17.57.155.37]) by p00-icloudmta-asmtp-us-east-2d-20-percent-1 (Postfix) with ESMTPSA id 871731800194; Sat, 28 Feb 2026 21:47:09 +0000 (UTC) Dkim-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=unpredictable.fr; s=sig1; t=1772315234; x=1774907234; bh=x5vmcSdYHKQ1byZOmRZeGIdImPo+Cp8DSOTH0Tm5/x8=; h=From:To:Subject:Date:Message-ID:MIME-Version:x-icloud-hme; b=U09EEvdooAeDDUH+0xUiw58D3P0YOSUqw8gdeWPaCBnftX8xSBCiidRDQC2Ahx7lXmd56qy2yZPbcRRbLB5K4rslPRaxftov9WeK9j+bE5I1FhYkFDHp3B6ugLG9TARG7OFU2PTOzrujHLgraOK1m4mf1whwWALa6y9WrhFZQ8U2h2P7rshwgixTtVZ04CD14POBGUxz3tloJ7uYtG0c71bMXgyp70xako1ApYfGLQRiCayL7LRiTkG1IjKVdCipUCZNNQh8lomYy/z+y95gFNhSfMpHazGUWOMWaIW240inPak+aydAVDbfEPigySbhgGIk1lS+4U940BzTNs03gQ== mail-alias-created-date: 1752046281608 From: Mohamed Mediouni To: qemu-devel@nongnu.org Cc: Cameron Esfahani , Wei Liu , Pedro Barbuda , Phil Dennis-Jordan , Roman Bolshakov , Mohamed Mediouni Subject: [PATCH v2 2/8] whpx: i386: enable all supported host features Date: Sat, 28 Feb 2026 22:46:58 +0100 Message-ID: <20260228214704.19048-3-mohamed@unpredictable.fr> X-Mailer: git-send-email 2.50.1 In-Reply-To: <20260228214704.19048-1-mohamed@unpredictable.fr> References: <20260228214704.19048-1-mohamed@unpredictable.fr> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Authority-Info-Out: v=2.4 cv=J9GnLQnS c=1 sm=1 tr=0 ts=69a36260 cx=c_apl:c_apl_out:c_pps a=bsP7O+dXZ5uKcj+dsLqiMw==:117 a=bsP7O+dXZ5uKcj+dsLqiMw==:17 a=HzLeVaNsDn8A:10 a=VkNPw1HP01LnGYTKEx00:22 a=Mpw57Om8IfrbqaoTuvik:22 a=GgsMoib0sEa3-_RKJdDe:22 a=268zvHjo1I8v1SDp_XwA:9 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMjI4MDIwMyBTYWx0ZWRfXxw/xQmOOt2pF fOoaSQb4F/CUljlJMwACTBBs0QA+CCfvB1DFoVOtXkQUO1fM2JCCimCfChGSRqA3c4JQak2zgxt Wz++xa2ol5iLYKDK762xT+sc1qQpOJpyKF68bbl5YPreLKK9cPj0fq0JdybcMI/AxPdq0ZKh2Jb i8yHtj3v40zLeSpmRlhtq2PMQ4DuttU9iLuFGnsX9GTc3t5pSTEszMIFzB9X58Rgr21yXoeTZf8 CMYPYrcprrsZ8ApTwhHFDPp45ntc3POK3r6lIEoBwv86v3Sru4LmlPENJfL2AFV7A0j7r8GcVMc BTspBAjC8kdK66c4q/vArTzWOAiwvKVLGXR+uaEeLLnnG1+VJTI6oMxuFBSVLk= X-Proofpoint-GUID: BtXkmyHs4GLoq2dBFJ4MR-Twp9Yh8Gfw X-Proofpoint-ORIG-GUID: BtXkmyHs4GLoq2dBFJ4MR-Twp9Yh8Gfw X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-02-28_07,2026-02-27_03,2025-10-01_01 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 clxscore=1030 spamscore=0 lowpriorityscore=0 suspectscore=0 mlxscore=0 phishscore=0 malwarescore=0 bulkscore=0 adultscore=0 mlxlogscore=760 classifier=spam authscore=0 adjust=0 reason=mlx scancount=1 engine=8.22.0-2601150000 definitions=main-2602280203 X-JNJ: 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 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=57.103.86.148; envelope-from=mohamed@unpredictable.fr; helo=outbound.qs.icloud.com X-Spam_score_int: -3 X-Spam_score: -0.4 X-Spam_bar: / X-Spam_report: (-0.4 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.966, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.722, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=no 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 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 @unpredictable.fr) X-ZM-MESSAGEID: 1772315298601158500 Content-Type: text/plain; charset="utf-8" Signed-off-by: Mohamed Mediouni --- target/i386/whpx/whpx-all.c | 40 +++++++++++++++++++++++++++++++++++++ 1 file changed, 40 insertions(+) diff --git a/target/i386/whpx/whpx-all.c b/target/i386/whpx/whpx-all.c index 90f51fc4dd..ccc52d1f96 100644 --- a/target/i386/whpx/whpx-all.c +++ b/target/i386/whpx/whpx-all.c @@ -2007,6 +2007,7 @@ int whpx_accel_init(AccelState *as, MachineState *ms) UINT32 whpx_cap_size; WHV_PARTITION_PROPERTY prop; WHV_CAPABILITY_FEATURES features =3D {0}; + WHV_PROCESSOR_FEATURES_BANKS processor_features; =20 whpx =3D &whpx_global; =20 @@ -2112,6 +2113,45 @@ int whpx_accel_init(AccelState *as, MachineState *ms) } } =20 + /* Set all the supported features, to follow the MSHV example */ + memset(&processor_features, 0, sizeof(WHV_PROCESSOR_FEATURES_BANKS)); + processor_features.BanksCount =3D 2; + + hr =3D whp_dispatch.WHvGetCapability( + WHvCapabilityCodeProcessorFeaturesBanks, &processor_features, + sizeof(WHV_PROCESSOR_FEATURES_BANKS), &whpx_cap_size); + if (FAILED(hr)) { + error_report("WHPX: Failed to get processor features, hr=3D%08lx",= hr); + ret =3D -ENOSPC; + goto error; + } + + if (processor_features.Bank1.NestedVirtSupport) { + memset(&prop, 0, sizeof(WHV_PARTITION_PROPERTY)); + prop.NestedVirtualization =3D 1; + hr =3D whp_dispatch.WHvSetPartitionProperty( + whpx->partition, + WHvPartitionPropertyCodeNestedVirtualization, + &prop, + sizeof(WHV_PARTITION_PROPERTY)); + if (FAILED(hr)) { + error_report("WHPX: Failed to enable nested virtualization= , hr=3D%08lx", hr); + ret =3D -EINVAL; + goto error; + } + } + + hr =3D whp_dispatch.WHvSetPartitionProperty( + whpx->partition, + WHvPartitionPropertyCodeProcessorFeaturesBanks, + &processor_features, + sizeof(WHV_PROCESSOR_FEATURES_BANKS)); + if (FAILED(hr)) { + error_report("WHPX: Failed to set processor features, hr=3D%08lx",= hr); + ret =3D -EINVAL; + goto error; + } + /* Register for MSR and CPUID exits */ memset(&prop, 0, sizeof(WHV_PARTITION_PROPERTY)); prop.ExtendedVmExits.X64MsrExit =3D 1; --=20 2.50.1 (Apple Git-155)