From nobody Mon Feb 9 16:02:42 2026 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; dmarc=fail(p=none dis=none) header.from=huawei.com ARC-Seal: i=1; a=rsa-sha256; t=1618210492; cv=none; d=zohomail.com; s=zohoarc; b=WYXYLcC3CPE9exn7ic//KEGpzqhpNqp2YJ86e7I3Jm2MMTSSO+RFhKaapNHkHMsnG7sk0xHLIHxx3+WDzqlDKpVcZmxMSaX7jG7Wtdk5DgofZNw0dnr79UHBpMJH/ty9Hl5QQ36Lnq5tpFSdgGkT1hZ5YyqQ6kSwWypSBT3Kce4= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1618210492; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=03+Hillnxl5JuB5gYxeYlUtGwopiDyn/ZEH8jefcxaE=; b=XuVz75r2YtMPyksM8mRZVzWS2tF2LyWnsAIKZFXFEU9YfcPPdMkpVLc4s+50kwTZxtc35eNv66oPe1wNlbD264Sp2hoVvCwBV6uEHCrEXLN5PaKOCLFJbVVLOX1ojftWSssv8b7UUP31SwJtW7NOR5N5mcHFf9cbR0U3Dj6jS7k= ARC-Authentication-Results: i=1; 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; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 161821049288434.27048452494432; Sun, 11 Apr 2021 23:54:52 -0700 (PDT) Received: from localhost ([::1]:49118 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lVqTD-0000y1-S9 for importer@patchew.org; Mon, 12 Apr 2021 02:54:51 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:40650) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lVqS6-0007fP-1b; Mon, 12 Apr 2021 02:53:42 -0400 Received: from szxga05-in.huawei.com ([45.249.212.191]:4455) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lVqS1-0004TG-JA; Mon, 12 Apr 2021 02:53:41 -0400 Received: from DGGEMS412-HUB.china.huawei.com (unknown [172.30.72.59]) by szxga05-in.huawei.com (SkyGuard) with ESMTP id 4FJfWg67wZzPqVt; Mon, 12 Apr 2021 14:50:39 +0800 (CST) Received: from huawei.com (10.174.186.236) by DGGEMS412-HUB.china.huawei.com (10.3.19.212) with Microsoft SMTP Server id 14.3.498.0; Mon, 12 Apr 2021 14:53:21 +0800 From: Yifei Jiang To: , Subject: [PATCH RFC v5 02/12] target/riscv: Add target/riscv/kvm.c to place the public kvm interface Date: Mon, 12 Apr 2021 14:52:36 +0800 Message-ID: <20210412065246.1853-3-jiangyifei@huawei.com> X-Mailer: git-send-email 2.26.2.windows.1 In-Reply-To: <20210412065246.1853-1-jiangyifei@huawei.com> References: <20210412065246.1853-1-jiangyifei@huawei.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Originating-IP: [10.174.186.236] X-CFilter-Loop: Reflected 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=45.249.212.191; envelope-from=jiangyifei@huawei.com; helo=szxga05-in.huawei.com X-Spam_score_int: -41 X-Spam_score: -4.2 X-Spam_bar: ---- X-Spam_report: (-4.2 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, 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: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: bin.meng@windriver.com, sagark@eecs.berkeley.edu, kvm@vger.kernel.org, libvir-list@redhat.com, kbastian@mail.uni-paderborn.de, anup.patel@wdc.com, yinyipeng1@huawei.com, Alistair Francis , Yifei Jiang , kvm-riscv@lists.infradead.org, palmer@dabbelt.com, fanliang@huawei.com, wu.wubin@huawei.com, zhang.zhanghailiang@huawei.com Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Content-Type: text/plain; charset="utf-8" Add target/riscv/kvm.c to place kvm_arch_* function needed by kvm/kvm-all.c. Meanwhile, add kvm support in meson.build file. Signed-off-by: Yifei Jiang Signed-off-by: Yipeng Yin Reviewed-by: Alistair Francis --- meson.build | 2 + target/riscv/kvm.c | 133 +++++++++++++++++++++++++++++++++++++++ target/riscv/meson.build | 1 + 3 files changed, 136 insertions(+) create mode 100644 target/riscv/kvm.c diff --git a/meson.build b/meson.build index c6f4b0cf5e..1eab53f03e 100644 --- a/meson.build +++ b/meson.build @@ -72,6 +72,8 @@ elif cpu in ['ppc', 'ppc64'] kvm_targets =3D ['ppc-softmmu', 'ppc64-softmmu'] elif cpu in ['mips', 'mips64'] kvm_targets =3D ['mips-softmmu', 'mipsel-softmmu', 'mips64-softmmu', 'mi= ps64el-softmmu'] +elif cpu in ['riscv32', 'riscv64'] + kvm_targets =3D ['riscv32-softmmu', 'riscv64-softmmu'] else kvm_targets =3D [] endif diff --git a/target/riscv/kvm.c b/target/riscv/kvm.c new file mode 100644 index 0000000000..687dd4b621 --- /dev/null +++ b/target/riscv/kvm.c @@ -0,0 +1,133 @@ +/* + * RISC-V implementation of KVM hooks + * + * Copyright (c) 2020 Huawei Technologies Co., Ltd + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2 or later, as published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License f= or + * more details. + * + * You should have received a copy of the GNU General Public License along= with + * this program. If not, see . + */ + +#include "qemu/osdep.h" +#include + +#include + +#include "qemu-common.h" +#include "qemu/timer.h" +#include "qemu/error-report.h" +#include "qemu/main-loop.h" +#include "sysemu/sysemu.h" +#include "sysemu/kvm.h" +#include "sysemu/kvm_int.h" +#include "cpu.h" +#include "trace.h" +#include "hw/pci/pci.h" +#include "exec/memattrs.h" +#include "exec/address-spaces.h" +#include "hw/boards.h" +#include "hw/irq.h" +#include "qemu/log.h" +#include "hw/loader.h" + +const KVMCapabilityInfo kvm_arch_required_capabilities[] =3D { + KVM_CAP_LAST_INFO +}; + +int kvm_arch_get_registers(CPUState *cs) +{ + return 0; +} + +int kvm_arch_put_registers(CPUState *cs, int level) +{ + return 0; +} + +int kvm_arch_release_virq_post(int virq) +{ + return 0; +} + +int kvm_arch_fixup_msi_route(struct kvm_irq_routing_entry *route, + uint64_t address, uint32_t data, PCIDevice *d= ev) +{ + return 0; +} + +int kvm_arch_destroy_vcpu(CPUState *cs) +{ + return 0; +} + +unsigned long kvm_arch_vcpu_id(CPUState *cpu) +{ + return cpu->cpu_index; +} + +void kvm_arch_init_irq_routing(KVMState *s) +{ +} + +int kvm_arch_init_vcpu(CPUState *cs) +{ + return 0; +} + +int kvm_arch_msi_data_to_gsi(uint32_t data) +{ + abort(); +} + +int kvm_arch_add_msi_route_post(struct kvm_irq_routing_entry *route, + int vector, PCIDevice *dev) +{ + return 0; +} + +int kvm_arch_init(MachineState *ms, KVMState *s) +{ + return 0; +} + +int kvm_arch_irqchip_create(KVMState *s) +{ + return 0; +} + +int kvm_arch_process_async_events(CPUState *cs) +{ + return 0; +} + +void kvm_arch_pre_run(CPUState *cs, struct kvm_run *run) +{ +} + +MemTxAttrs kvm_arch_post_run(CPUState *cs, struct kvm_run *run) +{ + return MEMTXATTRS_UNSPECIFIED; +} + +bool kvm_arch_stop_on_emulation_error(CPUState *cs) +{ + return true; +} + +int kvm_arch_handle_exit(CPUState *cs, struct kvm_run *run) +{ + return 0; +} + +bool kvm_arch_cpu_check_are_resettable(void) +{ + return true; +} diff --git a/target/riscv/meson.build b/target/riscv/meson.build index 88ab850682..32afd6e882 100644 --- a/target/riscv/meson.build +++ b/target/riscv/meson.build @@ -23,6 +23,7 @@ riscv_ss.add(files( 'vector_helper.c', 'translate.c', )) +riscv_ss.add(when: 'CONFIG_KVM', if_true: files('kvm.c')) =20 riscv_softmmu_ss =3D ss.source_set() riscv_softmmu_ss.add(files( --=20 2.19.1