From nobody Mon Feb 9 19:07:46 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass header.i=@intel.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=pass(p=none dis=none) header.from=intel.com ARC-Seal: i=1; a=rsa-sha256; t=1652327232; cv=none; d=zohomail.com; s=zohoarc; b=EPTCgkKaL6GhSPhXywcg4lmWbD1xVJZ6H/AqyC83ZqKZ55iq4X1a/SnkzZlf6H3SCdUXYsKHQ5cdJWleeFnRV19ODWX+yJVvAYE5oi/mFOvKGUD+hZSd+nHfdew6hiSVdaVBBXWdcLiFKbsvQvWsorKpnbz1UM+l6VMzQEGZWbQ= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1652327232; h=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=fvfcbUXeTEOL4NURFXWwrB5Gufqfa5OYlcWve/wbwuQ=; b=msJBXNs/qlqafU+dOLpM7UrzAWcL12UfMnWKaANjIQTv6MKFPCG6h9RmB3bRp1ScuvdYu6Tw6L/hqu4HOGpHgFZP6Dn7vsiWNnNXINDJJ5IJNbrYzhxFoYPMO34GH1AqoSpmRSxrcaN1Cdg/PYxkqiXgliAWiDvCbPT8dxe4Rwg= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass header.i=@intel.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=pass header.from= (p=none dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1652327232543111.43203049008127; Wed, 11 May 2022 20:47:12 -0700 (PDT) Received: from localhost ([::1]:56856 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1noznD-0007bT-Dp for importer@patchew.org; Wed, 11 May 2022 23:47:11 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:39724) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nozNg-0005Wg-66 for qemu-devel@nongnu.org; Wed, 11 May 2022 23:20:48 -0400 Received: from mga11.intel.com ([192.55.52.93]:31264) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nozNd-0003Hf-DQ for qemu-devel@nongnu.org; Wed, 11 May 2022 23:20:47 -0400 Received: from orsmga008.jf.intel.com ([10.7.209.65]) by fmsmga102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 11 May 2022 20:20:40 -0700 Received: from lxy-dell.sh.intel.com ([10.239.159.55]) by orsmga008.jf.intel.com with ESMTP; 11 May 2022 20:20:35 -0700 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1652325645; x=1683861645; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=A/MCTJvUaU/7hdvozdroefx7URW8o+RGW5MBhjHY+0Q=; b=jy6tZaUxhX5NEOSEb6EuiU+cGwMq2YdeML2jhgdlKGqz2I494IieVGYo OmX9UA8CieVJc32oOtaSD478FjvS18wDvYzEpVDCXhvinTR7JRRVxE7oC ZiW+zEDQ+fiWi1R9Jk6op0+8s/RB6aG6rPlYoGme8+d+ONpP6xmwuc5o+ 24zrhoutamqKeoDfW6vM1h9eEiv8EYXv+2ZtnPRmjLtk9TPoy5JWyFi1e jDrBsJaAH4zSt/NAU9uXLp5zPa0Cq3m4689KhK/9a/e4Z79AHzpP+ukJw o3EcveF0o2CqchYDtRaoINFbP530X47fIWFXFZavdvS65M7CWB8dUO+T9 g==; X-IronPort-AV: E=McAfee;i="6400,9594,10344"; a="267461379" X-IronPort-AV: E=Sophos;i="5.91,218,1647327600"; d="scan'208";a="267461379" X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.91,218,1647327600"; d="scan'208";a="594456670" From: Xiaoyao Li To: Paolo Bonzini , Isaku Yamahata , isaku.yamahata@intel.com, Gerd Hoffmann , =?UTF-8?q?Daniel=20P=20=2E=20Berrang=C3=A9?= , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Richard Henderson , "Michael S . Tsirkin" , Marcel Apfelbaum , Cornelia Huck , Marcelo Tosatti , Laszlo Ersek , Eric Blake Cc: Connor Kuehl , erdemaktas@google.com, kvm@vger.kernel.org, qemu-devel@nongnu.org, seanjc@google.com, xiaoyao.li@intel.com Subject: [RFC PATCH v4 31/36] hw/i386: add option to forcibly report edge trigger in acpi tables Date: Thu, 12 May 2022 11:17:58 +0800 Message-Id: <20220512031803.3315890-32-xiaoyao.li@intel.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20220512031803.3315890-1-xiaoyao.li@intel.com> References: <20220512031803.3315890-1-xiaoyao.li@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable 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=192.55.52.93; envelope-from=xiaoyao.li@intel.com; helo=mga11.intel.com X-Spam_score_int: -51 X-Spam_score: -5.2 X-Spam_bar: ----- X-Spam_report: (-5.2 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.082, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, HK_RANDOM_ENVFROM=0.998, HK_RANDOM_FROM=0.998, RCVD_IN_DNSWL_HI=-5, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 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" X-ZohoMail-DKIM: pass (identity @intel.com) X-ZM-MESSAGEID: 1652327234427100001 Content-Type: text/plain; charset="utf-8" From: Isaku Yamahata When level trigger isn't supported on x86 platform, forcibly report edge trigger in acpi tables. Signed-off-by: Isaku Yamahata Signed-off-by: Xiaoyao Li --- hw/i386/acpi-build.c | 99 ++++++++++++++++++++++++++++--------------- hw/i386/acpi-common.c | 50 ++++++++++++++++------ 2 files changed, 104 insertions(+), 45 deletions(-) diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c index dcf6ece3d043..bd068bba534b 100644 --- a/hw/i386/acpi-build.c +++ b/hw/i386/acpi-build.c @@ -912,7 +912,8 @@ static void build_dbg_aml(Aml *table) aml_append(table, scope); } =20 -static Aml *build_link_dev(const char *name, uint8_t uid, Aml *reg) +static Aml *build_link_dev(const char *name, uint8_t uid, Aml *reg, + bool level_trigger_unsupported) { Aml *dev; Aml *crs; @@ -924,7 +925,10 @@ static Aml *build_link_dev(const char *name, uint8_t u= id, Aml *reg) aml_append(dev, aml_name_decl("_UID", aml_int(uid))); =20 crs =3D aml_resource_template(); - aml_append(crs, aml_interrupt(AML_CONSUMER, AML_LEVEL, AML_ACTIVE_HIGH, + aml_append(crs, aml_interrupt(AML_CONSUMER, + level_trigger_unsupported ? + AML_EDGE : AML_LEVEL, + AML_ACTIVE_HIGH, AML_SHARED, irqs, ARRAY_SIZE(irqs))); aml_append(dev, aml_name_decl("_PRS", crs)); =20 @@ -948,7 +952,8 @@ static Aml *build_link_dev(const char *name, uint8_t ui= d, Aml *reg) return dev; } =20 -static Aml *build_gsi_link_dev(const char *name, uint8_t uid, uint8_t gsi) +static Aml *build_gsi_link_dev(const char *name, uint8_t uid, + uint8_t gsi, bool level_trigger_unsupported) { Aml *dev; Aml *crs; @@ -961,7 +966,10 @@ static Aml *build_gsi_link_dev(const char *name, uint8= _t uid, uint8_t gsi) =20 crs =3D aml_resource_template(); irqs =3D gsi; - aml_append(crs, aml_interrupt(AML_CONSUMER, AML_LEVEL, AML_ACTIVE_HIGH, + aml_append(crs, aml_interrupt(AML_CONSUMER, + level_trigger_unsupported ? + AML_EDGE : AML_LEVEL, + AML_ACTIVE_HIGH, AML_SHARED, &irqs, 1)); aml_append(dev, aml_name_decl("_PRS", crs)); =20 @@ -980,7 +988,7 @@ static Aml *build_gsi_link_dev(const char *name, uint8_= t uid, uint8_t gsi) } =20 /* _CRS method - get current settings */ -static Aml *build_iqcr_method(bool is_piix4) +static Aml *build_iqcr_method(bool is_piix4, bool level_trigger_unsupporte= d) { Aml *if_ctx; uint32_t irqs; @@ -988,7 +996,9 @@ static Aml *build_iqcr_method(bool is_piix4) Aml *crs =3D aml_resource_template(); =20 irqs =3D 0; - aml_append(crs, aml_interrupt(AML_CONSUMER, AML_LEVEL, + aml_append(crs, aml_interrupt(AML_CONSUMER, + level_trigger_unsupported ? + AML_EDGE : AML_LEVEL, AML_ACTIVE_HIGH, AML_SHARED, &irqs, 1)); aml_append(method, aml_name_decl("PRR0", crs)); =20 @@ -1022,7 +1032,7 @@ static Aml *build_irq_status_method(void) return method; } =20 -static void build_piix4_pci0_int(Aml *table) +static void build_piix4_pci0_int(Aml *table, bool level_trigger_unsupporte= d) { Aml *dev; Aml *crs; @@ -1043,12 +1053,16 @@ static void build_piix4_pci0_int(Aml *table) aml_append(sb_scope, field); =20 aml_append(sb_scope, build_irq_status_method()); - aml_append(sb_scope, build_iqcr_method(true)); + aml_append(sb_scope, build_iqcr_method(true, level_trigger_unsupported= )); =20 - aml_append(sb_scope, build_link_dev("LNKA", 0, aml_name("PRQ0"))); - aml_append(sb_scope, build_link_dev("LNKB", 1, aml_name("PRQ1"))); - aml_append(sb_scope, build_link_dev("LNKC", 2, aml_name("PRQ2"))); - aml_append(sb_scope, build_link_dev("LNKD", 3, aml_name("PRQ3"))); + aml_append(sb_scope, build_link_dev("LNKA", 0, aml_name("PRQ0"), + level_trigger_unsupported)); + aml_append(sb_scope, build_link_dev("LNKB", 1, aml_name("PRQ1"), + level_trigger_unsupported)); + aml_append(sb_scope, build_link_dev("LNKC", 2, aml_name("PRQ2"), + level_trigger_unsupported)); + aml_append(sb_scope, build_link_dev("LNKD", 3, aml_name("PRQ3"), + level_trigger_unsupported)); =20 dev =3D aml_device("LNKS"); { @@ -1057,7 +1071,9 @@ static void build_piix4_pci0_int(Aml *table) =20 crs =3D aml_resource_template(); irqs =3D 9; - aml_append(crs, aml_interrupt(AML_CONSUMER, AML_LEVEL, + aml_append(crs, aml_interrupt(AML_CONSUMER, + level_trigger_unsupported ? + AML_EDGE : AML_LEVEL, AML_ACTIVE_HIGH, AML_SHARED, &irqs, 1)); aml_append(dev, aml_name_decl("_PRS", crs)); @@ -1143,7 +1159,7 @@ static Aml *build_q35_routing_table(const char *str) return pkg; } =20 -static void build_q35_pci0_int(Aml *table) +static void build_q35_pci0_int(Aml *table, bool level_trigger_unsupported) { Aml *field; Aml *method; @@ -1195,25 +1211,41 @@ static void build_q35_pci0_int(Aml *table) aml_append(sb_scope, field); =20 aml_append(sb_scope, build_irq_status_method()); - aml_append(sb_scope, build_iqcr_method(false)); + aml_append(sb_scope, build_iqcr_method(false, level_trigger_unsupporte= d)); =20 - aml_append(sb_scope, build_link_dev("LNKA", 0, aml_name("PRQA"))); - aml_append(sb_scope, build_link_dev("LNKB", 1, aml_name("PRQB"))); - aml_append(sb_scope, build_link_dev("LNKC", 2, aml_name("PRQC"))); - aml_append(sb_scope, build_link_dev("LNKD", 3, aml_name("PRQD"))); - aml_append(sb_scope, build_link_dev("LNKE", 4, aml_name("PRQE"))); - aml_append(sb_scope, build_link_dev("LNKF", 5, aml_name("PRQF"))); - aml_append(sb_scope, build_link_dev("LNKG", 6, aml_name("PRQG"))); - aml_append(sb_scope, build_link_dev("LNKH", 7, aml_name("PRQH"))); + aml_append(sb_scope, build_link_dev("LNKA", 0, aml_name("PRQA"), + level_trigger_unsupported)); + aml_append(sb_scope, build_link_dev("LNKB", 1, aml_name("PRQB"), + level_trigger_unsupported)); + aml_append(sb_scope, build_link_dev("LNKC", 2, aml_name("PRQC"), + level_trigger_unsupported)); + aml_append(sb_scope, build_link_dev("LNKD", 3, aml_name("PRQD"), + level_trigger_unsupported)); + aml_append(sb_scope, build_link_dev("LNKE", 4, aml_name("PRQE"), + level_trigger_unsupported)); + aml_append(sb_scope, build_link_dev("LNKF", 5, aml_name("PRQF"), + level_trigger_unsupported)); + aml_append(sb_scope, build_link_dev("LNKG", 6, aml_name("PRQG"), + level_trigger_unsupported)); + aml_append(sb_scope, build_link_dev("LNKH", 7, aml_name("PRQH"), + level_trigger_unsupported)); =20 - aml_append(sb_scope, build_gsi_link_dev("GSIA", 0x10, 0x10)); - aml_append(sb_scope, build_gsi_link_dev("GSIB", 0x11, 0x11)); - aml_append(sb_scope, build_gsi_link_dev("GSIC", 0x12, 0x12)); - aml_append(sb_scope, build_gsi_link_dev("GSID", 0x13, 0x13)); - aml_append(sb_scope, build_gsi_link_dev("GSIE", 0x14, 0x14)); - aml_append(sb_scope, build_gsi_link_dev("GSIF", 0x15, 0x15)); - aml_append(sb_scope, build_gsi_link_dev("GSIG", 0x16, 0x16)); - aml_append(sb_scope, build_gsi_link_dev("GSIH", 0x17, 0x17)); + aml_append(sb_scope, build_gsi_link_dev("GSIA", 0x10, 0x10, + level_trigger_unsupported)); + aml_append(sb_scope, build_gsi_link_dev("GSIB", 0x11, 0x11, + level_trigger_unsupported)); + aml_append(sb_scope, build_gsi_link_dev("GSIC", 0x12, 0x12, + level_trigger_unsupported)); + aml_append(sb_scope, build_gsi_link_dev("GSID", 0x13, 0x13, + level_trigger_unsupported)); + aml_append(sb_scope, build_gsi_link_dev("GSIE", 0x14, 0x14, + level_trigger_unsupported)); + aml_append(sb_scope, build_gsi_link_dev("GSIF", 0x15, 0x15, + level_trigger_unsupported)); + aml_append(sb_scope, build_gsi_link_dev("GSIG", 0x16, 0x16, + level_trigger_unsupported)); + aml_append(sb_scope, build_gsi_link_dev("GSIH", 0x17, 0x17, + level_trigger_unsupported)); =20 aml_append(table, sb_scope); } @@ -1420,6 +1452,7 @@ build_dsdt(GArray *table_data, BIOSLinker *linker, PCMachineState *pcms =3D PC_MACHINE(machine); PCMachineClass *pcmc =3D PC_MACHINE_GET_CLASS(machine); X86MachineState *x86ms =3D X86_MACHINE(machine); + bool level_trigger_unsupported =3D x86ms->eoi_intercept_unsupported; AcpiMcfgInfo mcfg; bool mcfg_valid =3D !!acpi_get_mcfg(&mcfg); uint32_t nr_mem =3D machine->ram_slots; @@ -1454,7 +1487,7 @@ build_dsdt(GArray *table_data, BIOSLinker *linker, if (pm->pcihp_bridge_en || pm->pcihp_root_en) { build_x86_acpi_pci_hotplug(dsdt, pm->pcihp_io_base); } - build_piix4_pci0_int(dsdt); + build_piix4_pci0_int(dsdt, level_trigger_unsupported); } else { sb_scope =3D aml_scope("_SB"); dev =3D aml_device("PCI0"); @@ -1503,7 +1536,7 @@ build_dsdt(GArray *table_data, BIOSLinker *linker, if (pm->pcihp_bridge_en) { build_x86_acpi_pci_hotplug(dsdt, pm->pcihp_io_base); } - build_q35_pci0_int(dsdt); + build_q35_pci0_int(dsdt, level_trigger_unsupported); if (pcms->smbus && !pcmc->do_not_add_smb_acpi) { build_smb0(dsdt, pcms->smbus, ICH9_SMB_DEV, ICH9_SMB_FUNC); } diff --git a/hw/i386/acpi-common.c b/hw/i386/acpi-common.c index 4aaafbdd7b5d..485fc17816be 100644 --- a/hw/i386/acpi-common.c +++ b/hw/i386/acpi-common.c @@ -105,6 +105,7 @@ void acpi_build_madt(GArray *table_data, BIOSLinker *li= nker, AcpiDeviceIfClass *adevc =3D ACPI_DEVICE_IF_GET_CLASS(adev); AcpiTable table =3D { .sig =3D "APIC", .rev =3D 1, .oem_id =3D oem_id, .oem_table_id =3D oem_table_id }; + bool level_trigger_unsupported =3D x86ms->eoi_intercept_unsupported; =20 acpi_table_begin(&table, table_data); /* Local APIC Address */ @@ -124,18 +125,43 @@ void acpi_build_madt(GArray *table_data, BIOSLinker *= linker, IO_APIC_SECONDARY_ADDRESS, IO_APIC_SECONDARY_IRQBASE); } =20 - if (x86ms->apic_xrupt_override) { - build_xrupt_override(table_data, 0, 2, - 0 /* Flags: Conforms to the specifications of the bus */); - } - - for (i =3D 1; i < 16; i++) { - if (!(x86ms->pci_irq_mask & (1 << i))) { - /* No need for a INT source override structure. */ - continue; - } - build_xrupt_override(table_data, i, i, - 0xd /* Flags: Active high, Level Triggered */); + if (level_trigger_unsupported) { + /* Force edge trigger */ + if (x86ms->apic_xrupt_override) { + build_xrupt_override(table_data, 0, 2, + /* Flags: active high, edge triggered */ + 1 | (1 << 2)); + } + + for (i =3D x86ms->apic_xrupt_override ? 1 : 0; i < 16; i++) { + build_xrupt_override(table_data, i, i, + /* Flags: active high, edge triggered */ + 1 | (1 << 2)); + } + + if (x86ms->ioapic2) { + for (i =3D 0; i < 16; i++) { + build_xrupt_override(table_data, IO_APIC_SECONDARY_IRQBASE= + i, + IO_APIC_SECONDARY_IRQBASE + i, + /* Flags: active high, edge triggered= */ + 1 | (1 << 2)); + } + } + } else { + if (x86ms->apic_xrupt_override) { + build_xrupt_override(table_data, 0, 2, + 0 /* Flags: Conforms to the specification= s of the bus */); + } + + for (i =3D 1; i < 16; i++) { + if (!(x86ms->pci_irq_mask & (1 << i))) { + /* No need for a INT source override structure. */ + continue; + } + build_xrupt_override(table_data, i, i, + 0xd /* Flags: Active high, Level Triggere= d */); + + } } =20 if (x2apic_mode) { --=20 2.27.0