From nobody Tue Feb 10 03:17:55 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 Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1694484791259619.6006979347216; Mon, 11 Sep 2023 19:13:11 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qfstN-0001K1-Sh; Mon, 11 Sep 2023 22:12:41 -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 1qfstE-0001GY-UY for qemu-devel@nongnu.org; Mon, 11 Sep 2023 22:12:34 -0400 Received: from mail.loongson.cn ([114.242.206.163]) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qfstC-0005VD-7W for qemu-devel@nongnu.org; Mon, 11 Sep 2023 22:12:32 -0400 Received: from loongson.cn (unknown [10.2.5.185]) by gateway (Coremail) with SMTP id _____8BxXev0yP9kIDIlAA--.1744S3; Tue, 12 Sep 2023 10:12:04 +0800 (CST) Received: from localhost.localdomain (unknown [10.2.5.185]) by localhost.localdomain (Coremail) with SMTP id AQAAf8DxfSPqyP9kCnh4AA--.42014S12; Tue, 12 Sep 2023 10:12:04 +0800 (CST) From: xianglai li To: qemu-devel@nongnu.org Cc: "Salil Mehta" , Xiaojuan Yang , Song Gao , "Michael S. Tsirkin" , Igor Mammedov , Ani Sinha , Paolo Bonzini , Richard Henderson , Eduardo Habkost , Marcel Apfelbaum , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Yanan Wang , =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= , Peter Xu , David Hildenbrand , Bibo Mao Subject: [PATCH v2 10/10] Update the ACPI table for the Loongarch CPU Date: Tue, 12 Sep 2023 10:11:47 +0800 Message-Id: <6d2e11b559f544c98f4ef1fed99dfb8c1aad4b83.1694433326.git.lixianglai@loongson.cn> X-Mailer: git-send-email 2.39.1 In-Reply-To: References: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-CM-TRANSID: AQAAf8DxfSPqyP9kCnh4AA--.42014S12 X-CM-SenderInfo: 5ol0xt5qjotxo6or00hjvr0hdfq/ 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=lixianglai@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, 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: 1694484793334100010 Add new types of GED devices for Loongarch machines, add CPU hot-(un)plug event response and address spaces, and update the ACPI table. Cc: "Salil Mehta" Cc: Xiaojuan Yang Cc: Song Gao Cc: "Michael S. Tsirkin" Cc: Igor Mammedov Cc: Ani Sinha Cc: Paolo Bonzini Cc: Richard Henderson Cc: Eduardo Habkost Cc: Marcel Apfelbaum Cc: "Philippe Mathieu-Daud=C3=A9" Cc: Yanan Wang Cc: "Daniel P. Berrang=C3=A9" Cc: Peter Xu Cc: David Hildenbrand Cc: Bibo Mao Signed-off-by: xianglai li --- hw/acpi/acpi-cpu-hotplug-stub.c | 9 +++++++++ hw/loongarch/acpi-build.c | 16 +++++++++++++++- hw/loongarch/virt.c | 5 +++-- include/hw/loongarch/virt.h | 1 + 4 files changed, 28 insertions(+), 3 deletions(-) diff --git a/hw/acpi/acpi-cpu-hotplug-stub.c b/hw/acpi/acpi-cpu-hotplug-stu= b.c index 2aec90d968..af9fda2cf4 100644 --- a/hw/acpi/acpi-cpu-hotplug-stub.c +++ b/hw/acpi/acpi-cpu-hotplug-stub.c @@ -19,6 +19,15 @@ void legacy_acpi_cpu_hotplug_init(MemoryRegion *parent, = Object *owner, return; } =20 +void build_cpus_aml(Aml *table, MachineState *machine, CPUHotplugFeatures = opts, + hwaddr mmap_io_base, + const char *res_root, + const char *event_handler_method, + AmlRegionSpace rs) +{ + return; +} + void acpi_cpu_ospm_status(CPUHotplugState *cpu_st, ACPIOSTInfoList ***list) { return; diff --git a/hw/loongarch/acpi-build.c b/hw/loongarch/acpi-build.c index 66fad295cc..312908fb2f 100644 --- a/hw/loongarch/acpi-build.c +++ b/hw/loongarch/acpi-build.c @@ -138,15 +138,18 @@ build_madt(GArray *table_data, BIOSLinker *linker, Lo= ongArchMachineState *lams) build_append_int_noprefix(table_data, 1 /* PCAT_COMPAT */, 4); /* Flag= s */ =20 for (i =3D 0; i < arch_ids->len; i++) { + uint32_t flags; + /* Processor Core Interrupt Controller Structure */ arch_id =3D arch_ids->cpus[i].arch_id; + flags =3D arch_ids->cpus[i].cpu ? 1 : 0; =20 build_append_int_noprefix(table_data, 17, 1); /* Type */ build_append_int_noprefix(table_data, 15, 1); /* Length */ build_append_int_noprefix(table_data, 1, 1); /* Version */ build_append_int_noprefix(table_data, i, 4); /* ACPI Processor= ID */ build_append_int_noprefix(table_data, arch_id, 4); /* Core ID */ - build_append_int_noprefix(table_data, 1, 4); /* Flags */ + build_append_int_noprefix(table_data, flags, 4); /* Flags */ } =20 /* Extend I/O Interrupt Controller Structure */ @@ -309,6 +312,17 @@ build_la_ged_aml(Aml *dsdt, MachineState *machine) AML_SYSTEM_MEMORY, VIRT_GED_MEM_ADDR); } + + if (event & ACPI_GED_CPU_HOTPLUG_EVT) { + CPUHotplugFeatures opts =3D { + .acpi_1_compatible =3D false, + .has_legacy_cphp =3D false + }; + + build_cpus_aml(dsdt, machine, opts, VIRT_GED_CPUHP_ADDR, + "\\_SB", "\\_GPE._E01", AML_SYSTEM_MEMORY); + + } acpi_dsdt_add_power_button(dsdt); } =20 diff --git a/hw/loongarch/virt.c b/hw/loongarch/virt.c index aabe8aa814..c4ec9dd6a7 100644 --- a/hw/loongarch/virt.c +++ b/hw/loongarch/virt.c @@ -449,12 +449,12 @@ static DeviceState *create_acpi_ged(DeviceState *pch_= pic, LoongArchMachineState { DeviceState *dev; MachineState *ms =3D MACHINE(lams); - uint32_t event =3D ACPI_GED_PWR_DOWN_EVT; + uint32_t event =3D ACPI_GED_PWR_DOWN_EVT | ACPI_GED_CPU_HOTPLUG_EVT; =20 if (ms->ram_slots) { event |=3D ACPI_GED_MEM_HOTPLUG_EVT; } - dev =3D qdev_new(TYPE_ACPI_GED); + dev =3D qdev_new(TYPE_ACPI_GED_LOONGARCH); qdev_prop_set_uint32(dev, "ged-event", event); =20 /* ged event */ @@ -463,6 +463,7 @@ static DeviceState *create_acpi_ged(DeviceState *pch_pi= c, LoongArchMachineState sysbus_mmio_map(SYS_BUS_DEVICE(dev), 1, VIRT_GED_MEM_ADDR); /* ged regs used for reset and power down */ sysbus_mmio_map(SYS_BUS_DEVICE(dev), 2, VIRT_GED_REG_ADDR); + sysbus_mmio_map(SYS_BUS_DEVICE(dev), 3, VIRT_GED_CPUHP_ADDR); =20 sysbus_connect_irq(SYS_BUS_DEVICE(dev), 0, qdev_get_gpio_in(pch_pic, VIRT_SCI_IRQ - VIRT_GSI_B= ASE)); diff --git a/include/hw/loongarch/virt.h b/include/hw/loongarch/virt.h index f6c9495af2..82ac238f4f 100644 --- a/include/hw/loongarch/virt.h +++ b/include/hw/loongarch/virt.h @@ -31,6 +31,7 @@ #define VIRT_GED_EVT_ADDR 0x100e0000 #define VIRT_GED_MEM_ADDR (VIRT_GED_EVT_ADDR + ACPI_GED_EVT_SEL_LEN) #define VIRT_GED_REG_ADDR (VIRT_GED_MEM_ADDR + MEMORY_HOTPLUG_IO_LEN) +#define VIRT_GED_CPUHP_ADDR (VIRT_GED_REG_ADDR + ACPI_CPU_HOTPLUG_REG_= LEN) =20 struct LoongArchMachineState { /*< private >*/ --=20 2.39.1