From patchwork Tue Nov 24 16:22:06 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Claudio Fontana X-Patchwork-Id: 11929359 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6426EC63777 for ; Tue, 24 Nov 2020 16:31:15 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id A881C206F9 for ; Tue, 24 Nov 2020 16:31:14 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A881C206F9 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=suse.de Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:59982 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1khbDl-0006w5-6W for qemu-devel@archiver.kernel.org; Tue, 24 Nov 2020 11:31:13 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:46764) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1khb5H-0006au-65 for qemu-devel@nongnu.org; Tue, 24 Nov 2020 11:22:27 -0500 Received: from mx2.suse.de ([195.135.220.15]:38250) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1khb5C-0001iO-8N for qemu-devel@nongnu.org; Tue, 24 Nov 2020 11:22:26 -0500 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.221.27]) by mx2.suse.de (Postfix) with ESMTP id 4BBC0AC55; Tue, 24 Nov 2020 16:22:19 +0000 (UTC) From: Claudio Fontana To: Paolo Bonzini , Thomas Huth , Richard Henderson , Stefano Stabellini , Wenchao Wang , Roman Bolshakov , Sunil Muthuswamy , =?utf-8?q?Philippe_Mathieu-Daud?= =?utf-8?q?=C3=A9?= , "Emilio G . Cota" Subject: [RFC v5 08/12] accel: extend AccelState and AccelClass to user-mode Date: Tue, 24 Nov 2020 17:22:06 +0100 Message-Id: <20201124162210.8796-9-cfontana@suse.de> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20201124162210.8796-1-cfontana@suse.de> References: <20201124162210.8796-1-cfontana@suse.de> MIME-Version: 1.0 Received-SPF: pass client-ip=195.135.220.15; envelope-from=cfontana@suse.de; helo=mx2.suse.de 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=0.001, 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: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Laurent Vivier , Eduardo Habkost , Paul Durrant , Jason Wang , Marcelo Tosatti , qemu-devel@nongnu.org, Peter Xu , Dario Faggioli , Cameron Esfahani , haxm-team@intel.com, Claudio Fontana , Anthony Perard , Bruce Rogers , Olaf Hering , Colin Xu Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Signed-off-by: Claudio Fontana --- MAINTAINERS | 2 +- accel/accel-common.c | 54 ++++++++++++++++++++++++++++++ accel/{accel.c => accel-softmmu.c} | 27 ++------------- accel/accel-user.c | 28 ++++++++++++++++ accel/meson.build | 4 ++- accel/qtest/qtest.c | 2 +- accel/tcg/meson.build | 3 +- accel/tcg/tcg-all.c | 3 +- accel/xen/xen-all.c | 2 +- bsd-user/main.c | 8 +++-- include/hw/boards.h | 2 +- include/{sysemu => qemu}/accel.h | 15 +++++---- include/sysemu/hvf.h | 2 +- include/sysemu/kvm.h | 2 +- include/sysemu/kvm_int.h | 2 +- linux-user/main.c | 8 +++-- softmmu/memory.c | 2 +- softmmu/qtest.c | 2 +- softmmu/vl.c | 2 +- target/i386/hax/hax-all.c | 2 +- target/i386/hvf/hvf-i386.h | 2 +- target/i386/hvf/hvf.c | 2 +- target/i386/hvf/x86_task.c | 2 +- target/i386/whpx/whpx-all.c | 2 +- 24 files changed, 124 insertions(+), 56 deletions(-) create mode 100644 accel/accel-common.c rename accel/{accel.c => accel-softmmu.c} (75%) create mode 100644 accel/accel-user.c rename include/{sysemu => qemu}/accel.h (95%) diff --git a/MAINTAINERS b/MAINTAINERS index e892dd2220..d7c212843c 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -433,7 +433,7 @@ Overall M: Richard Henderson R: Paolo Bonzini S: Maintained -F: include/sysemu/accel.h +F: include/qemu/accel.h F: accel/accel.c F: accel/Makefile.objs F: accel/stubs/Makefile.objs diff --git a/accel/accel-common.c b/accel/accel-common.c new file mode 100644 index 0000000000..d9115b7072 --- /dev/null +++ b/accel/accel-common.c @@ -0,0 +1,54 @@ +/* + * QEMU accel class, components common to system emulation and user mode + * + * Copyright (c) 2003-2008 Fabrice Bellard + * Copyright (c) 2014 Red Hat Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ + +#include "qemu/osdep.h" +#include "qemu/accel.h" +#include "hw/boards.h" +#include "sysemu/arch_init.h" +#include "sysemu/sysemu.h" +#include "qom/object.h" + +static const TypeInfo accel_type = { + .name = TYPE_ACCEL, + .parent = TYPE_OBJECT, + .class_size = sizeof(AccelClass), + .instance_size = sizeof(AccelState), +}; + +/* Lookup AccelClass from opt_name. Returns NULL if not found */ +AccelClass *accel_find(const char *opt_name) +{ + char *class_name = g_strdup_printf(ACCEL_CLASS_NAME("%s"), opt_name); + AccelClass *ac = ACCEL_CLASS(object_class_by_name(class_name)); + g_free(class_name); + return ac; +} + +static void register_accel_types(void) +{ + type_register_static(&accel_type); +} + +type_init(register_accel_types); diff --git a/accel/accel.c b/accel/accel-softmmu.c similarity index 75% rename from accel/accel.c rename to accel/accel-softmmu.c index cb555e3b06..f89da8f9d1 100644 --- a/accel/accel.c +++ b/accel/accel-softmmu.c @@ -1,5 +1,5 @@ /* - * QEMU System Emulator, accelerator interfaces + * QEMU accel class, system emulation components * * Copyright (c) 2003-2008 Fabrice Bellard * Copyright (c) 2014 Red Hat Inc. @@ -24,28 +24,12 @@ */ #include "qemu/osdep.h" -#include "sysemu/accel.h" +#include "qemu/accel.h" #include "hw/boards.h" #include "sysemu/arch_init.h" #include "sysemu/sysemu.h" #include "qom/object.h" -static const TypeInfo accel_type = { - .name = TYPE_ACCEL, - .parent = TYPE_OBJECT, - .class_size = sizeof(AccelClass), - .instance_size = sizeof(AccelState), -}; - -/* Lookup AccelClass from opt_name. Returns NULL if not found */ -AccelClass *accel_find(const char *opt_name) -{ - char *class_name = g_strdup_printf(ACCEL_CLASS_NAME("%s"), opt_name); - AccelClass *ac = ACCEL_CLASS(object_class_by_name(class_name)); - g_free(class_name); - return ac; -} - int accel_init_machine(AccelState *accel, MachineState *ms) { AccelClass *acc = ACCEL_GET_CLASS(accel); @@ -76,10 +60,3 @@ void accel_setup_post(MachineState *ms) acc->setup_post(ms, accel); } } - -static void register_accel_types(void) -{ - type_register_static(&accel_type); -} - -type_init(register_accel_types); diff --git a/accel/accel-user.c b/accel/accel-user.c new file mode 100644 index 0000000000..52369ce2ca --- /dev/null +++ b/accel/accel-user.c @@ -0,0 +1,28 @@ +/* + * QEMU accel class, user-mode components + * + * Copyright 2020 SUSE LLC + * + * This work is licensed under the terms of the GNU GPL, version 2 or later. + * See the COPYING file in the top-level directory. + */ + +#include "qemu/osdep.h" +#include "qemu/accel.h" +#include "hw/boards.h" +#include "sysemu/arch_init.h" +#include "sysemu/sysemu.h" +#include "qom/object.h" + +AccelState *current_accel(void) +{ + static AccelState *accel; + + if (!accel) { + AccelClass *ac = accel_find("tcg"); + + g_assert(ac != NULL); + accel = ACCEL(object_new_with_class(OBJECT_CLASS(ac))); + } + return accel; +} diff --git a/accel/meson.build b/accel/meson.build index b26cca227a..0208b48d3b 100644 --- a/accel/meson.build +++ b/accel/meson.build @@ -1,4 +1,6 @@ -softmmu_ss.add(files('accel.c')) +common_ss.add(files('accel-common.c')) +softmmu_ss.add(files('accel-softmmu.c')) +user_ss.add(files('accel-user.c')) subdir('qtest') subdir('kvm') diff --git a/accel/qtest/qtest.c b/accel/qtest/qtest.c index b282cea5cf..b4e731cb2b 100644 --- a/accel/qtest/qtest.c +++ b/accel/qtest/qtest.c @@ -17,7 +17,7 @@ #include "qemu/module.h" #include "qemu/option.h" #include "qemu/config-file.h" -#include "sysemu/accel.h" +#include "qemu/accel.h" #include "sysemu/qtest.h" #include "sysemu/cpus.h" #include "sysemu/cpu-timers.h" diff --git a/accel/tcg/meson.build b/accel/tcg/meson.build index f39aab0a0c..bcc54e1466 100644 --- a/accel/tcg/meson.build +++ b/accel/tcg/meson.build @@ -1,5 +1,6 @@ tcg_ss = ss.source_set() tcg_ss.add(files( + 'tcg-all.c', 'cpu-exec-common.c', 'cpu-exec.c', 'tcg-runtime-gvec.c', @@ -11,9 +12,7 @@ tcg_ss.add(when: 'CONFIG_USER_ONLY', if_true: files('user-exec.c')) tcg_ss.add(when: 'CONFIG_SOFTMMU', if_false: files('user-exec-stub.c')) tcg_ss.add(when: 'CONFIG_PLUGIN', if_true: [files('plugin-gen.c'), libdl]) specific_ss.add_all(when: 'CONFIG_TCG', if_true: tcg_ss) - specific_ss.add(when: ['CONFIG_SOFTMMU', 'CONFIG_TCG'], if_true: files( - 'tcg-all.c', 'cputlb.c', 'tcg-cpus.c', 'tcg-cpus-mttcg.c', diff --git a/accel/tcg/tcg-all.c b/accel/tcg/tcg-all.c index 1ac0b76515..ef91d13669 100644 --- a/accel/tcg/tcg-all.c +++ b/accel/tcg/tcg-all.c @@ -30,9 +30,8 @@ #include "tcg/tcg.h" #include "qapi/error.h" #include "qemu/error-report.h" -#include "hw/boards.h" +#include "qemu/accel.h" #include "qapi/qapi-builtin-visit.h" -#include "tcg-cpus.h" struct TCGState { AccelState parent_obj; diff --git a/accel/xen/xen-all.c b/accel/xen/xen-all.c index 878a4089d9..594aaf6b49 100644 --- a/accel/xen/xen-all.c +++ b/accel/xen/xen-all.c @@ -15,7 +15,7 @@ #include "hw/xen/xen-legacy-backend.h" #include "hw/xen/xen_pt.h" #include "chardev/char.h" -#include "sysemu/accel.h" +#include "qemu/accel.h" #include "sysemu/cpus.h" #include "sysemu/xen.h" #include "sysemu/runstate.h" diff --git a/bsd-user/main.c b/bsd-user/main.c index 0a918e8f74..c6a6cd291b 100644 --- a/bsd-user/main.c +++ b/bsd-user/main.c @@ -20,6 +20,7 @@ #include "qemu/osdep.h" #include "qemu-common.h" #include "qemu/units.h" +#include "qemu/accel.h" #include "sysemu/tcg.h" #include "qemu-version.h" #include @@ -908,8 +909,12 @@ int main(int argc, char **argv) } /* init tcg before creating CPUs and to get qemu_host_page_size */ - tcg_exec_init(0); + { + AccelClass *ac = accel_find("tcg"); + g_assert(ac != NULL); + ac->init_machine(NULL); + } cpu_type = parse_cpu_option(cpu_model); cpu = cpu_create(cpu_type); env = cpu->env_ptr; @@ -988,7 +993,6 @@ int main(int argc, char **argv) generating the prologue until now so that the prologue can take the real value of GUEST_BASE into account. */ tcg_prologue_init(tcg_ctx); - tcg_region_init(); /* build Task State */ memset(ts, 0, sizeof(TaskState)); diff --git a/include/hw/boards.h b/include/hw/boards.h index a49e3a6b44..b754504afe 100644 --- a/include/hw/boards.h +++ b/include/hw/boards.h @@ -6,7 +6,7 @@ #include "exec/memory.h" #include "sysemu/hostmem.h" #include "sysemu/blockdev.h" -#include "sysemu/accel.h" +#include "qemu/accel.h" #include "qapi/qapi-types-machine.h" #include "qemu/module.h" #include "qom/object.h" diff --git a/include/sysemu/accel.h b/include/qemu/accel.h similarity index 95% rename from include/sysemu/accel.h rename to include/qemu/accel.h index e08b8ab8fa..f7abac98bb 100644 --- a/include/sysemu/accel.h +++ b/include/qemu/accel.h @@ -20,8 +20,8 @@ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. */ -#ifndef HW_ACCEL_H -#define HW_ACCEL_H +#ifndef QEMU_ACCEL_H +#define QEMU_ACCEL_H #include "qom/object.h" #include "exec/hwaddr.h" @@ -37,8 +37,8 @@ typedef struct AccelClass { /*< public >*/ const char *name; -#ifndef CONFIG_USER_ONLY int (*init_machine)(MachineState *ms); +#ifndef CONFIG_USER_ONLY void (*setup_post)(MachineState *ms, AccelState *accel); bool (*has_memory)(MachineState *ms, AddressSpace *as, hwaddr start_addr, hwaddr size); @@ -67,11 +67,12 @@ typedef struct AccelClass { OBJECT_GET_CLASS(AccelClass, (obj), TYPE_ACCEL) AccelClass *accel_find(const char *opt_name); +AccelState *current_accel(void); + +#ifndef CONFIG_USER_ONLY int accel_init_machine(AccelState *accel, MachineState *ms); - /* Called just before os_setup_post (ie just before drop OS privs) */ void accel_setup_post(MachineState *ms); +#endif /* !CONFIG_USER_ONLY */ -AccelState *current_accel(void); - -#endif +#endif /* QEMU_ACCEL_H */ diff --git a/include/sysemu/hvf.h b/include/sysemu/hvf.h index f893768df9..c98636bc81 100644 --- a/include/sysemu/hvf.h +++ b/include/sysemu/hvf.h @@ -13,7 +13,7 @@ #ifndef HVF_H #define HVF_H -#include "sysemu/accel.h" +#include "qemu/accel.h" #include "qom/object.h" #ifdef CONFIG_HVF diff --git a/include/sysemu/kvm.h b/include/sysemu/kvm.h index bb5d5cf497..739682f3c3 100644 --- a/include/sysemu/kvm.h +++ b/include/sysemu/kvm.h @@ -17,7 +17,7 @@ #include "qemu/queue.h" #include "hw/core/cpu.h" #include "exec/memattrs.h" -#include "sysemu/accel.h" +#include "qemu/accel.h" #include "qom/object.h" #ifdef NEED_CPU_H diff --git a/include/sysemu/kvm_int.h b/include/sysemu/kvm_int.h index 65740806da..ccb8869f01 100644 --- a/include/sysemu/kvm_int.h +++ b/include/sysemu/kvm_int.h @@ -10,7 +10,7 @@ #define QEMU_KVM_INT_H #include "exec/memory.h" -#include "sysemu/accel.h" +#include "qemu/accel.h" #include "sysemu/kvm.h" typedef struct KVMSlot diff --git a/linux-user/main.c b/linux-user/main.c index 24d1eb73ad..ae6be5e81f 100644 --- a/linux-user/main.c +++ b/linux-user/main.c @@ -20,6 +20,7 @@ #include "qemu/osdep.h" #include "qemu-common.h" #include "qemu/units.h" +#include "qemu/accel.h" #include "sysemu/tcg.h" #include "qemu-version.h" #include @@ -703,8 +704,12 @@ int main(int argc, char **argv, char **envp) cpu_type = parse_cpu_option(cpu_model); /* init tcg before creating CPUs and to get qemu_host_page_size */ - tcg_exec_init(0); + { + AccelClass *ac = accel_find("tcg"); + g_assert(ac != NULL); + ac->init_machine(NULL); + } cpu = cpu_create(cpu_type); env = cpu->env_ptr; cpu_reset(cpu); @@ -846,7 +851,6 @@ int main(int argc, char **argv, char **envp) generating the prologue until now so that the prologue can take the real value of GUEST_BASE into account. */ tcg_prologue_init(tcg_ctx); - tcg_region_init(); target_cpu_copy_regs(env, regs); diff --git a/softmmu/memory.c b/softmmu/memory.c index aa393f1bb0..92c8b4fc1f 100644 --- a/softmmu/memory.c +++ b/softmmu/memory.c @@ -32,7 +32,7 @@ #include "sysemu/kvm.h" #include "sysemu/runstate.h" #include "sysemu/tcg.h" -#include "sysemu/accel.h" +#include "qemu/accel.h" #include "hw/boards.h" #include "migration/vmstate.h" diff --git a/softmmu/qtest.c b/softmmu/qtest.c index 7965dc9a16..130c366615 100644 --- a/softmmu/qtest.c +++ b/softmmu/qtest.c @@ -20,7 +20,7 @@ #include "exec/ioport.h" #include "exec/memory.h" #include "hw/irq.h" -#include "sysemu/accel.h" +#include "qemu/accel.h" #include "sysemu/cpu-timers.h" #include "qemu/config-file.h" #include "qemu/option.h" diff --git a/softmmu/vl.c b/softmmu/vl.c index e6e0ad5a92..bc20c526d2 100644 --- a/softmmu/vl.c +++ b/softmmu/vl.c @@ -40,7 +40,7 @@ #include "qemu/error-report.h" #include "qemu/sockets.h" -#include "sysemu/accel.h" +#include "qemu/accel.h" #include "hw/usb.h" #include "hw/isa/isa.h" #include "hw/scsi/scsi.h" diff --git a/target/i386/hax/hax-all.c b/target/i386/hax/hax-all.c index fecfe8cd6e..d7f4bb44a7 100644 --- a/target/i386/hax/hax-all.c +++ b/target/i386/hax/hax-all.c @@ -28,7 +28,7 @@ #include "exec/address-spaces.h" #include "qemu-common.h" -#include "sysemu/accel.h" +#include "qemu/accel.h" #include "sysemu/reset.h" #include "sysemu/runstate.h" #include "hw/boards.h" diff --git a/target/i386/hvf/hvf-i386.h b/target/i386/hvf/hvf-i386.h index e0edffd077..50b914fd67 100644 --- a/target/i386/hvf/hvf-i386.h +++ b/target/i386/hvf/hvf-i386.h @@ -16,7 +16,7 @@ #ifndef HVF_I386_H #define HVF_I386_H -#include "sysemu/accel.h" +#include "qemu/accel.h" #include "sysemu/hvf.h" #include "cpu.h" #include "x86.h" diff --git a/target/i386/hvf/hvf.c b/target/i386/hvf/hvf.c index ed9356565c..ffc9efa40f 100644 --- a/target/i386/hvf/hvf.c +++ b/target/i386/hvf/hvf.c @@ -69,7 +69,7 @@ #include "exec/address-spaces.h" #include "hw/i386/apic_internal.h" #include "qemu/main-loop.h" -#include "sysemu/accel.h" +#include "qemu/accel.h" #include "target/i386/cpu.h" #include "hvf-cpus.h" diff --git a/target/i386/hvf/x86_task.c b/target/i386/hvf/x86_task.c index 6f04478b3a..d66dfd7669 100644 --- a/target/i386/hvf/x86_task.c +++ b/target/i386/hvf/x86_task.c @@ -28,7 +28,7 @@ #include "hw/i386/apic_internal.h" #include "qemu/main-loop.h" -#include "sysemu/accel.h" +#include "qemu/accel.h" #include "target/i386/cpu.h" // TODO: taskswitch handling diff --git a/target/i386/whpx/whpx-all.c b/target/i386/whpx/whpx-all.c index f4f3e33eac..ee6b606194 100644 --- a/target/i386/whpx/whpx-all.c +++ b/target/i386/whpx/whpx-all.c @@ -13,7 +13,7 @@ #include "exec/address-spaces.h" #include "exec/ioport.h" #include "qemu-common.h" -#include "sysemu/accel.h" +#include "qemu/accel.h" #include "sysemu/whpx.h" #include "sysemu/cpus.h" #include "sysemu/runstate.h"