From nobody Fri Apr 4 04:36:38 2025 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.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 Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1740484966326169.79639073641943; Tue, 25 Feb 2025 04:02:46 -0800 (PST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1tmtcx-0003tj-PP; Tue, 25 Feb 2025 07:01:31 -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 1tmtcO-0003jc-LP for qemu-devel@nongnu.org; Tue, 25 Feb 2025 07:01:02 -0500 Received: from mail.loongson.cn ([114.242.206.163]) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1tmtcJ-0006Vh-6V for qemu-devel@nongnu.org; Tue, 25 Feb 2025 07:00:55 -0500 Received: from loongson.cn (unknown [10.2.5.213]) by gateway (Coremail) with SMTP id _____8CxvnLusL1nMBaCAA--.27006S3; Tue, 25 Feb 2025 20:00:46 +0800 (CST) Received: from localhost.localdomain (unknown [10.2.5.213]) by front1 (Coremail) with SMTP id qMiowMBxLsfpsL1n2uMnAA--.19507S6; Tue, 25 Feb 2025 20:00:45 +0800 (CST) From: Bibo Mao To: Stefan Hajnoczi Cc: qemu-devel@nongnu.org, Song Gao Subject: [PULL 04/11] target/loongarch: Add post init function for kvm mode Date: Tue, 25 Feb 2025 20:00:34 +0800 Message-Id: <20250225120041.1652869-5-maobibo@loongson.cn> X-Mailer: git-send-email 2.39.3 In-Reply-To: <20250225120041.1652869-1-maobibo@loongson.cn> References: <20250225120041.1652869-1-maobibo@loongson.cn> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-CM-TRANSID: qMiowMBxLsfpsL1n2uMnAA--.19507S6 X-CM-SenderInfo: xpdruxter6z05rqj20fqof0/ X-Coremail-Antispam: 1Uk129KBjDUn29KB7ZKAUJUUUUU529EdanIXcx71UUUUU7KY7 ZEXasCq-sGcSsGvfJ3UbIjqfuFe4nvWSU5nxnvy29KBjDU0xBIdaVrnUUvcSsGvfC2Kfnx nUUI43ZEXa7xR_UUUUUUUUU== 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=114.242.206.163; envelope-from=maobibo@loongson.cn; helo=mail.loongson.cn X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=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-ZM-MESSAGEID: 1740484968813019100 Content-Type: text/plain; charset="utf-8" Some features such as LBT and PMU are implemented in kvm mode, With paravirt features in future, post init function is added for kvm mode, so that property for these features will be created in kvm post init function. Signed-off-by: Bibo Mao Reviewed-by: Bibo Mao --- target/loongarch/cpu.c | 2 +- target/loongarch/cpu.h | 8 ++++++++ target/loongarch/kvm/kvm.c | 4 ++++ 3 files changed, 13 insertions(+), 1 deletion(-) diff --git a/target/loongarch/cpu.c b/target/loongarch/cpu.c index f203fcc7d7..012fcfbfda 100644 --- a/target/loongarch/cpu.c +++ b/target/loongarch/cpu.c @@ -765,7 +765,7 @@ void loongarch_cpu_post_init(Object *obj) loongarch_set_pmu); object_property_set_description(obj, "pmu", "Set off to performance monitor unit."); - + kvm_loongarch_cpu_post_init(cpu); } else { cpu->lbt =3D ON_OFF_AUTO_OFF; cpu->pmu =3D ON_OFF_AUTO_OFF; diff --git a/target/loongarch/cpu.h b/target/loongarch/cpu.h index f2a23b7a43..74dffcb552 100644 --- a/target/loongarch/cpu.h +++ b/target/loongarch/cpu.h @@ -491,4 +491,12 @@ static inline void cpu_get_tb_cpu_state(CPULoongArchSt= ate *env, vaddr *pc, =20 void loongarch_cpu_post_init(Object *obj); =20 +#ifdef CONFIG_KVM +void kvm_loongarch_cpu_post_init(LoongArchCPU *cpu); +#else +static inline void kvm_loongarch_cpu_post_init(LoongArchCPU *cpu) +{ +} +#endif + #endif /* LOONGARCH_CPU_H */ diff --git a/target/loongarch/kvm/kvm.c b/target/loongarch/kvm/kvm.c index 27df02fa3a..2d2fb1e261 100644 --- a/target/loongarch/kvm/kvm.c +++ b/target/loongarch/kvm/kvm.c @@ -1016,6 +1016,10 @@ int kvm_arch_init_vcpu(CPUState *cs) return ret; } =20 +void kvm_loongarch_cpu_post_init(LoongArchCPU *cpu) +{ +} + int kvm_arch_destroy_vcpu(CPUState *cs) { return 0; --=20 2.43.5