From nobody Wed Apr 2 14:13:57 2025 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass header.i=@intel.com; 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=none dis=none) header.from=linux.intel.com ARC-Seal: i=1; a=rsa-sha256; t=1742800183; cv=none; d=zohomail.com; s=zohoarc; b=PhxbDAvOqfjb/NVLYYwouRWVHf8CyH0m8SjO6lDqARahnBJ/zgSgCHr4MqkReutYZf+hKxUHYkFJkTHzJyHtajcHN1beznlxAWcRJjf10EymJNnRidKRAFHTDl0ypHS1FHLc90K89LSNJaKpiFiTLOSfyRMNuuBCrfAf/AC4CfQ= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1742800183; 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=wVJKY5892pTjuH8MK+7nrsmEp9rt8KAbaNgS7baA42c=; b=XQGztKxIFdDBkvuXVbOisEo4zf++L8/NRIO9B/1agctuzJKdMSaNxafw2znf8Pb7trMhtJ2NRafaoqbFue4zyk7etTgtMGhjPBMs+CRUe5K6iLSRSbbXiVXDs239I4GyfvdZ/0Nzq2Jzilb515kcocETFONBaLSQ51mN/8gtuGo= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass header.i=@intel.com; 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=none dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 174280018373123.731906832935465; Mon, 24 Mar 2025 00:09:43 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1twbvY-0008GG-0W; Mon, 24 Mar 2025 03:08:52 -0400 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 1twbvT-0008Fk-54 for qemu-devel@nongnu.org; Mon, 24 Mar 2025 03:08:47 -0400 Received: from mgamail.intel.com ([192.198.163.16]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1twbvR-0008Ii-3v for qemu-devel@nongnu.org; Mon, 24 Mar 2025 03:08:46 -0400 Received: from fmviesa007.fm.intel.com ([10.60.135.147]) by fmvoesa110.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 24 Mar 2025 00:08:44 -0700 Received: from emr.sh.intel.com ([10.112.229.56]) by fmviesa007.fm.intel.com with ESMTP; 24 Mar 2025 00:08:40 -0700 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1742800125; x=1774336125; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=GkePnjIVwJy2gtvDqRPqWnH+ClNauDcNXM7UqV0aetc=; b=LBgsq+rTHnlTD0vviTTkmqMKy0lqGqwKUsaEEjuQt9AnMaJ/2UtVJz+/ xtv22SctisTF6IgSDGnyDsh0lKbptsoCUYCR4ElT2YBuav5lexSyOWd+2 ft7mSyRuASGfONXR12UJta/q0VNxL6qzSX6S4E73IVhTH3LaDsL8Nh/gl CtPbFjveY2zEFLpxe+go4wBOHGw3AQKdYEGxMBJhAvd9JhFUVIZGnKrOa 30t7/2FvKg9c+K2rrJgqYFTCrJhsWVJDAU7XxWsLvRMcSw6glifuN+0j7 Hf3BCiqRZCcGHz9KCfO9sheNzt01/LmzfLYrsC+m3TaIc6ONX/UYs0Ckm A==; X-CSE-ConnectionGUID: 85qNR3FOSKOyYT8CiaXl4g== X-CSE-MsgGUID: dhHv/Z4hRvGyoTRfBE1iHA== X-IronPort-AV: E=McAfee;i="6700,10204,11382"; a="31588458" X-IronPort-AV: E=Sophos;i="6.14,271,1736841600"; d="scan'208";a="31588458" X-CSE-ConnectionGUID: C9tRJ6dtTjuTepXb6kbW3Q== X-CSE-MsgGUID: uqJ5HATGRKK6tTeN6Y6cww== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.14,271,1736841600"; d="scan'208";a="123944365" From: Dapeng Mi To: Paolo Bonzini , Sean Christopherson Cc: qemu-devel@nongnu.org, kvm@vger.kernel.org, Zhao Liu , Zide Chen , Xiaoyao Li , Dongli Zhang , Mingwei Zhang , Das Sandipan , Shukla Manali , Dapeng Mi , Gerd Hoffmann Subject: [PATCH 1/3] kvm: Introduce kvm_arch_pre_create_vcpu() Date: Mon, 24 Mar 2025 12:37:10 +0000 Message-Id: <20250324123712.34096-2-dapeng1.mi@linux.intel.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20250324123712.34096-1-dapeng1.mi@linux.intel.com> References: <20250324123712.34096-1-dapeng1.mi@linux.intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable 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: none client-ip=192.198.163.16; envelope-from=dapeng1.mi@linux.intel.com; helo=mgamail.intel.com X-Spam_score_int: -12 X-Spam_score: -1.3 X-Spam_bar: - X-Spam_report: (-1.3 / 5.0 requ) BAYES_00=-1.9, DATE_IN_FUTURE_03_06=3.027, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_NONE=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 @intel.com) X-ZM-MESSAGEID: 1742800185078116600 Content-Type: text/plain; charset="utf-8" From: Xiaoyao Li Introduce kvm_arch_pre_create_vcpu(), to perform arch-dependent work prior to create any vcpu. This is for i386 TDX because it needs call TDX_INIT_VM before creating any vcpu. The specific implemnet of i386 will be added in the future patch. Signed-off-by: Xiaoyao Li Acked-by: Gerd Hoffmann --- accel/kvm/kvm-all.c | 5 +++++ include/system/kvm.h | 1 + target/arm/kvm.c | 5 +++++ target/i386/kvm/kvm.c | 5 +++++ target/loongarch/kvm/kvm.c | 5 +++++ target/mips/kvm.c | 5 +++++ target/ppc/kvm.c | 5 +++++ target/riscv/kvm/kvm-cpu.c | 5 +++++ target/s390x/kvm/kvm.c | 5 +++++ 9 files changed, 41 insertions(+) diff --git a/accel/kvm/kvm-all.c b/accel/kvm/kvm-all.c index f89568bfa3..df9840e53a 100644 --- a/accel/kvm/kvm-all.c +++ b/accel/kvm/kvm-all.c @@ -540,6 +540,11 @@ int kvm_init_vcpu(CPUState *cpu, Error **errp) =20 trace_kvm_init_vcpu(cpu->cpu_index, kvm_arch_vcpu_id(cpu)); =20 + ret =3D kvm_arch_pre_create_vcpu(cpu, errp); + if (ret < 0) { + goto err; + } + ret =3D kvm_create_vcpu(cpu); if (ret < 0) { error_setg_errno(errp, -ret, diff --git a/include/system/kvm.h b/include/system/kvm.h index ab17c09a55..d7dfa25493 100644 --- a/include/system/kvm.h +++ b/include/system/kvm.h @@ -374,6 +374,7 @@ int kvm_arch_get_default_type(MachineState *ms); =20 int kvm_arch_init(MachineState *ms, KVMState *s); =20 +int kvm_arch_pre_create_vcpu(CPUState *cpu, Error **errp); int kvm_arch_init_vcpu(CPUState *cpu); int kvm_arch_destroy_vcpu(CPUState *cpu); =20 diff --git a/target/arm/kvm.c b/target/arm/kvm.c index da30bdbb23..93f1a7245b 100644 --- a/target/arm/kvm.c +++ b/target/arm/kvm.c @@ -1874,6 +1874,11 @@ static int kvm_arm_sve_set_vls(ARMCPU *cpu) =20 #define ARM_CPU_ID_MPIDR 3, 0, 0, 0, 5 =20 +int kvm_arch_pre_create_vcpu(CPUState *cpu, Error **errp) +{ + return 0; +} + int kvm_arch_init_vcpu(CPUState *cs) { int ret; diff --git a/target/i386/kvm/kvm.c b/target/i386/kvm/kvm.c index 6c749d4ee8..f41e190fb8 100644 --- a/target/i386/kvm/kvm.c +++ b/target/i386/kvm/kvm.c @@ -2051,6 +2051,11 @@ full: abort(); } =20 +int kvm_arch_pre_create_vcpu(CPUState *cpu, Error **errp) +{ + return 0; +} + int kvm_arch_init_vcpu(CPUState *cs) { struct { diff --git a/target/loongarch/kvm/kvm.c b/target/loongarch/kvm/kvm.c index 7f63e7c8fe..ed0ddf1cbf 100644 --- a/target/loongarch/kvm/kvm.c +++ b/target/loongarch/kvm/kvm.c @@ -1075,6 +1075,11 @@ static int kvm_cpu_check_pv_features(CPUState *cs, E= rror **errp) return 0; } =20 +int kvm_arch_pre_create_vcpu(CPUState *cpu, Error **errp) +{ + return 0; +} + int kvm_arch_init_vcpu(CPUState *cs) { uint64_t val; diff --git a/target/mips/kvm.c b/target/mips/kvm.c index d67b7c1a8e..ec53acb51a 100644 --- a/target/mips/kvm.c +++ b/target/mips/kvm.c @@ -61,6 +61,11 @@ int kvm_arch_irqchip_create(KVMState *s) return 0; } =20 +int kvm_arch_pre_create_vcpu(CPUState *cpu, Error **errp) +{ + return 0; +} + int kvm_arch_init_vcpu(CPUState *cs) { CPUMIPSState *env =3D cpu_env(cs); diff --git a/target/ppc/kvm.c b/target/ppc/kvm.c index 992356cb75..20fabccecd 100644 --- a/target/ppc/kvm.c +++ b/target/ppc/kvm.c @@ -479,6 +479,11 @@ static void kvmppc_hw_debug_points_init(CPUPPCState *c= env) } } =20 +int kvm_arch_pre_create_vcpu(CPUState *cpu, Error **errp) +{ + return 0; +} + int kvm_arch_init_vcpu(CPUState *cs) { PowerPCCPU *cpu =3D POWERPC_CPU(cs); diff --git a/target/riscv/kvm/kvm-cpu.c b/target/riscv/kvm/kvm-cpu.c index 4ffeeaa1c9..451c00f17c 100644 --- a/target/riscv/kvm/kvm-cpu.c +++ b/target/riscv/kvm/kvm-cpu.c @@ -1389,6 +1389,11 @@ static int kvm_vcpu_enable_sbi_dbcn(RISCVCPU *cpu, C= PUState *cs) return kvm_set_one_reg(cs, kvm_sbi_dbcn.kvm_reg_id, ®); } =20 +int kvm_arch_pre_create_vcpu(CPUState *cpu, Error **errp) +{ + return 0; +} + int kvm_arch_init_vcpu(CPUState *cs) { int ret =3D 0; diff --git a/target/s390x/kvm/kvm.c b/target/s390x/kvm/kvm.c index 4d56e653dd..1f592733f4 100644 --- a/target/s390x/kvm/kvm.c +++ b/target/s390x/kvm/kvm.c @@ -404,6 +404,11 @@ unsigned long kvm_arch_vcpu_id(CPUState *cpu) return cpu->cpu_index; } =20 +int kvm_arch_pre_create_vcpu(CPUState *cpu, Error **errp) +{ + return 0; +} + int kvm_arch_init_vcpu(CPUState *cs) { unsigned int max_cpus =3D MACHINE(qdev_get_machine())->smp.max_cpus; --=20 2.40.1