From patchwork Thu Mar 21 15:48:19 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= X-Patchwork-Id: 13599010 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org 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 smtp.lore.kernel.org (Postfix) with ESMTPS id E013FCD11C2 for ; Thu, 21 Mar 2024 15:50:04 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1rnKfU-0004sm-JY; Thu, 21 Mar 2024 11:49:24 -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 1rnKfQ-0004ds-64 for qemu-devel@nongnu.org; Thu, 21 Mar 2024 11:49:20 -0400 Received: from mail-wm1-x32e.google.com ([2a00:1450:4864:20::32e]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1rnKfH-0001Fv-GA for qemu-devel@nongnu.org; Thu, 21 Mar 2024 11:49:16 -0400 Received: by mail-wm1-x32e.google.com with SMTP id 5b1f17b1804b1-4146feb33e1so8759355e9.2 for ; Thu, 21 Mar 2024 08:49:07 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1711036146; x=1711640946; darn=nongnu.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=3Uml8evcLi9xkWgCFD8gP1/OkUGdeyARM6PHY5ELWBs=; b=dTeYg3U/cwhEnshK10ojj7HgizCwdzRaO+SjS/8d4AHMV3Gtg7H+hwp+TiM90wlYkN N87nFIjtmoj9i9u67lWZjOjcKW992T9kuu2q01UebM1RMpc/1ECcFip9tLk+NodTiTi7 QpH/nfdl+2Bv6j6d8YgKPbS6xre3d2K2j/QYlqQwe4mhuyxbWEZSSbT/C22ZLRxXdS51 zIXx5x6BgqDN7zNuig46DeWiWHVhh0mRn9cvKMdQDYIRKad3x3OtxuutvsJ69lmIJxVm BODuy1ALwcsIX6RUGHO3QXpDUHnDaTPvJ9lc8ALGk+QO33/TsuDtAS0w2DSTF4i5WU4J x0QA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1711036146; x=1711640946; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=3Uml8evcLi9xkWgCFD8gP1/OkUGdeyARM6PHY5ELWBs=; b=hPOL1bx49Ij/+y4Rk5VdRsrp4qwwZQ2s2MIIlGfpuNCqHvQwBSUzhgJnKafZW0iZ3T lySVn+VFg/IqOYFb3lkgBlIoLqOb/0T9M7YMFiS7JMK/w1zczSf7imC9/JgTUd3Ft854 OIN9jzr0QkCeBaR5R/LqGMBNmk3d6LQnbniROu+OvE9MFip0hctFNng8Bs3JaYJpyac7 ymjNmAEEf2BLsiCoGgObI5S0ffK98C+brjBEHO5i18jedglTN0E86Mt0UywHZaq6ZO1I gpE0CMm3/onHmhwIcIvq4sckTM/VBzT+9LtDr3in7WDDsyxC3nLFEhOjyfpMOqOQ4Juu vXNQ== X-Gm-Message-State: AOJu0YyTHM9i2ha5IqtiKr41MONfRzC7d5f0TXwdhG6+5fZLIb3Tyxv+ aITxQuetXHxPLIxQZo25Fre/Td40vYBNAfsIcRhtY4niGHKzU17rPaT7N5ucssKZsPIBOyDqgc+ w2D0= X-Google-Smtp-Source: AGHT+IFAw5OqL09R7bmcyeZ9YyOFejxWkGzyRzgg8/RdS1yUB7jjDdFHJRAFWdetwbNp/D/m0mJFLQ== X-Received: by 2002:a05:600c:4ecf:b0:413:ee4c:57e4 with SMTP id g15-20020a05600c4ecf00b00413ee4c57e4mr7568498wmq.8.1711036145816; Thu, 21 Mar 2024 08:49:05 -0700 (PDT) Received: from m1x-phil.lan ([176.187.206.222]) by smtp.gmail.com with ESMTPSA id fc12-20020a05600c524c00b0041477d83499sm136619wmb.16.2024.03.21.08.49.03 (version=TLS1_3 cipher=TLS_CHACHA20_POLY1305_SHA256 bits=256/256); Thu, 21 Mar 2024 08:49:05 -0700 (PDT) From: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Cc: Artyom Tarasenko , Chris Wulff , "Edgar E. Iglesias" , Marek Vasut , Max Filippov , "Dr . David Alan Gilbert" , Jiaxun Yang , Nicholas Piggin , Paolo Bonzini , Daniel Henrique Barboza , Yoshinori Sato , Markus Armbruster , Richard Henderson , qemu-ppc@nongnu.org, Laurent Vivier , Mark Cave-Ayland , =?utf-8?q?Philippe_Mathie?= =?utf-8?q?u-Daud=C3=A9?= Subject: [PATCH-for-9.1 03/21] target/i386: Move APIC related code to cpu-apic.c Date: Thu, 21 Mar 2024 16:48:19 +0100 Message-ID: <20240321154838.95771-4-philmd@linaro.org> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20240321154838.95771-1-philmd@linaro.org> References: <20240321154838.95771-1-philmd@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2a00:1450:4864:20::32e; envelope-from=philmd@linaro.org; helo=mail-wm1-x32e.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 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_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=unavailable 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+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Move APIC related code split in cpu-sysemu.c and monitor.c to cpu-apic.c. Signed-off-by: Philippe Mathieu-Daudé Reviewed-by: Richard Henderson Reviewed-by: Zhao Liu --- target/i386/cpu-apic.c | 112 +++++++++++++++++++++++++++++++++++++++ target/i386/cpu-sysemu.c | 77 --------------------------- target/i386/monitor.c | 25 --------- target/i386/meson.build | 1 + 4 files changed, 113 insertions(+), 102 deletions(-) create mode 100644 target/i386/cpu-apic.c diff --git a/target/i386/cpu-apic.c b/target/i386/cpu-apic.c new file mode 100644 index 0000000000..d397ec94dc --- /dev/null +++ b/target/i386/cpu-apic.c @@ -0,0 +1,112 @@ +/* + * QEMU x86 CPU <-> APIC + * + * Copyright (c) 2003-2004 Fabrice Bellard + * + * SPDX-License-Identifier: MIT + */ + +#include "qemu/osdep.h" +#include "qapi/qmp/qdict.h" +#include "qapi/error.h" +#include "monitor/monitor.h" +#include "monitor/hmp-target.h" +#include "sysemu/hw_accel.h" +#include "sysemu/kvm.h" +#include "sysemu/xen.h" +#include "exec/address-spaces.h" +#include "hw/qdev-properties.h" +#include "hw/i386/apic_internal.h" +#include "cpu-internal.h" + +APICCommonClass *apic_get_class(Error **errp) +{ + const char *apic_type = "apic"; + + /* TODO: in-kernel irqchip for hvf */ + if (kvm_enabled()) { + if (!kvm_irqchip_in_kernel()) { + error_setg(errp, "KVM does not support userspace APIC"); + return NULL; + } + apic_type = "kvm-apic"; + } else if (xen_enabled()) { + apic_type = "xen-apic"; + } else if (whpx_apic_in_platform()) { + apic_type = "whpx-apic"; + } + + return APIC_COMMON_CLASS(object_class_by_name(apic_type)); +} + +void x86_cpu_apic_create(X86CPU *cpu, Error **errp) +{ + APICCommonState *apic; + APICCommonClass *apic_class = apic_get_class(errp); + + if (!apic_class) { + return; + } + + cpu->apic_state = DEVICE(object_new_with_class(OBJECT_CLASS(apic_class))); + object_property_add_child(OBJECT(cpu), "lapic", + OBJECT(cpu->apic_state)); + object_unref(OBJECT(cpu->apic_state)); + + /* TODO: convert to link<> */ + apic = APIC_COMMON(cpu->apic_state); + apic->cpu = cpu; + apic->apicbase = APIC_DEFAULT_ADDRESS | MSR_IA32_APICBASE_ENABLE; + + /* + * apic_common_set_id needs to check if the CPU has x2APIC + * feature in case APIC ID >= 255, so we need to set apic->cpu + * before setting APIC ID + */ + qdev_prop_set_uint32(cpu->apic_state, "id", cpu->apic_id); +} + +void x86_cpu_apic_realize(X86CPU *cpu, Error **errp) +{ + APICCommonState *apic; + static bool apic_mmio_map_once; + + if (cpu->apic_state == NULL) { + return; + } + qdev_realize(DEVICE(cpu->apic_state), NULL, errp); + + /* Map APIC MMIO area */ + apic = APIC_COMMON(cpu->apic_state); + if (!apic_mmio_map_once) { + memory_region_add_subregion_overlap(get_system_memory(), + apic->apicbase & + MSR_IA32_APICBASE_BASE, + &apic->io_memory, + 0x1000); + apic_mmio_map_once = true; + } +} + +void hmp_info_local_apic(Monitor *mon, const QDict *qdict) +{ + CPUState *cs; + + if (qdict_haskey(qdict, "apic-id")) { + int id = qdict_get_try_int(qdict, "apic-id", 0); + + cs = cpu_by_arch_id(id); + if (cs) { + cpu_synchronize_state(cs); + } + } else { + cs = mon_get_cpu(mon); + } + + + if (!cs) { + monitor_printf(mon, "No CPU available\n"); + return; + } + x86_cpu_dump_local_apic_state(cs, CPU_DUMP_FPU); +} diff --git a/target/i386/cpu-sysemu.c b/target/i386/cpu-sysemu.c index 3f9093d285..227ac021f6 100644 --- a/target/i386/cpu-sysemu.c +++ b/target/i386/cpu-sysemu.c @@ -19,19 +19,12 @@ #include "qemu/osdep.h" #include "cpu.h" -#include "sysemu/kvm.h" -#include "sysemu/xen.h" -#include "sysemu/whpx.h" #include "qapi/error.h" #include "qapi/qapi-visit-run-state.h" #include "qapi/qmp/qdict.h" #include "qapi/qobject-input-visitor.h" #include "qom/qom-qobject.h" #include "qapi/qapi-commands-machine-target.h" -#include "hw/qdev-properties.h" - -#include "exec/address-spaces.h" -#include "hw/i386/apic_internal.h" #include "cpu-internal.h" @@ -273,75 +266,6 @@ void x86_cpu_machine_reset_cb(void *opaque) cpu_reset(CPU(cpu)); } -APICCommonClass *apic_get_class(Error **errp) -{ - const char *apic_type = "apic"; - - /* TODO: in-kernel irqchip for hvf */ - if (kvm_enabled()) { - if (!kvm_irqchip_in_kernel()) { - error_setg(errp, "KVM does not support userspace APIC"); - return NULL; - } - apic_type = "kvm-apic"; - } else if (xen_enabled()) { - apic_type = "xen-apic"; - } else if (whpx_apic_in_platform()) { - apic_type = "whpx-apic"; - } - - return APIC_COMMON_CLASS(object_class_by_name(apic_type)); -} - -void x86_cpu_apic_create(X86CPU *cpu, Error **errp) -{ - APICCommonState *apic; - APICCommonClass *apic_class = apic_get_class(errp); - - if (!apic_class) { - return; - } - - cpu->apic_state = DEVICE(object_new_with_class(OBJECT_CLASS(apic_class))); - object_property_add_child(OBJECT(cpu), "lapic", - OBJECT(cpu->apic_state)); - object_unref(OBJECT(cpu->apic_state)); - - /* TODO: convert to link<> */ - apic = APIC_COMMON(cpu->apic_state); - apic->cpu = cpu; - apic->apicbase = APIC_DEFAULT_ADDRESS | MSR_IA32_APICBASE_ENABLE; - - /* - * apic_common_set_id needs to check if the CPU has x2APIC - * feature in case APIC ID >= 255, so we need to set apic->cpu - * before setting APIC ID - */ - qdev_prop_set_uint32(cpu->apic_state, "id", cpu->apic_id); -} - -void x86_cpu_apic_realize(X86CPU *cpu, Error **errp) -{ - APICCommonState *apic; - static bool apic_mmio_map_once; - - if (cpu->apic_state == NULL) { - return; - } - qdev_realize(DEVICE(cpu->apic_state), NULL, errp); - - /* Map APIC MMIO area */ - apic = APIC_COMMON(cpu->apic_state); - if (!apic_mmio_map_once) { - memory_region_add_subregion_overlap(get_system_memory(), - apic->apicbase & - MSR_IA32_APICBASE_BASE, - &apic->io_memory, - 0x1000); - apic_mmio_map_once = true; - } -} - GuestPanicInformation *x86_cpu_get_crash_info(CPUState *cs) { X86CPU *cpu = X86_CPU(cs); @@ -385,4 +309,3 @@ void x86_cpu_get_crash_info_qom(Object *obj, Visitor *v, errp); qapi_free_GuestPanicInformation(panic_info); } - diff --git a/target/i386/monitor.c b/target/i386/monitor.c index 3a281dab02..2d766b2637 100644 --- a/target/i386/monitor.c +++ b/target/i386/monitor.c @@ -28,8 +28,6 @@ #include "monitor/hmp-target.h" #include "monitor/hmp.h" #include "qapi/qmp/qdict.h" -#include "sysemu/hw_accel.h" -#include "sysemu/kvm.h" #include "qapi/error.h" #include "qapi/qapi-commands-misc-target.h" #include "qapi/qapi-commands-misc.h" @@ -647,26 +645,3 @@ const MonitorDef *target_monitor_defs(void) { return monitor_defs; } - -void hmp_info_local_apic(Monitor *mon, const QDict *qdict) -{ - CPUState *cs; - - if (qdict_haskey(qdict, "apic-id")) { - int id = qdict_get_try_int(qdict, "apic-id", 0); - - cs = cpu_by_arch_id(id); - if (cs) { - cpu_synchronize_state(cs); - } - } else { - cs = mon_get_cpu(mon); - } - - - if (!cs) { - monitor_printf(mon, "No CPU available\n"); - return; - } - x86_cpu_dump_local_apic_state(cs, CPU_DUMP_FPU); -} diff --git a/target/i386/meson.build b/target/i386/meson.build index 7c74bfa859..ba8dc68a34 100644 --- a/target/i386/meson.build +++ b/target/i386/meson.build @@ -18,6 +18,7 @@ i386_system_ss.add(files( 'arch_memory_mapping.c', 'machine.c', 'monitor.c', + 'cpu-apic.c', 'cpu-sysemu.c', )) i386_system_ss.add(when: 'CONFIG_SEV', if_true: files('sev.c'), if_false: files('sev-sysemu-stub.c'))