From mboxrd@z Thu Jan 1 00:00:00 1970 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=-9.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS 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 38533C433E1 for ; Fri, 21 Aug 2020 12:09:51 +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 DF1C02078D for ; Fri, 21 Aug 2020 12:09:50 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="W34g0Ufv" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org DF1C02078D Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:48026 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1k95rh-0005gS-UA for qemu-devel@archiver.kernel.org; Fri, 21 Aug 2020 08:09:49 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:54458) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1k95qS-0004Xg-UK for qemu-devel@nongnu.org; Fri, 21 Aug 2020 08:08:32 -0400 Received: from us-smtp-2.mimecast.com ([207.211.31.81]:40083 helo=us-smtp-delivery-1.mimecast.com) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1k95qR-0006O1-32 for qemu-devel@nongnu.org; Fri, 21 Aug 2020 08:08:32 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1598011710; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=511vb+bSSU4Y8b19YhsL8ZoU/Szz/eNR60yHK0LqGv8=; b=W34g0Ufvlr+NX6Ih6pGkVDgThYcr98jaSp0g0VFcB6Ehr3K/uLOhcuBC3YcZUSupY9Ds8S tgm7/3zc7B0RRPFc/5VC3NoV3RUL9wWcjmzTlDHkHe88psF0Sbjq0A/LLt/wA6jVrSNPbY 8Mskl4TB6EhfsZw6NZd4r7mjNahRLFo= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-241-fWSUrqYZP2S_LTEgsyws2Q-1; Fri, 21 Aug 2020 08:08:28 -0400 X-MC-Unique: fWSUrqYZP2S_LTEgsyws2Q-1 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.phx2.redhat.com [10.5.11.15]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 36E7A1885D89; Fri, 21 Aug 2020 12:08:27 +0000 (UTC) Received: from localhost (unknown [10.43.2.114]) by smtp.corp.redhat.com (Postfix) with ESMTP id 5C2787E30E; Fri, 21 Aug 2020 12:08:17 +0000 (UTC) Date: Fri, 21 Aug 2020 14:08:15 +0200 From: Igor Mammedov To: Julia Suvorova Subject: Re: [RFC PATCH v2 2/4] hw/i386/acpi-build: Add ACPI PCI hot-plug methods to q35 Message-ID: <20200821140815.288f14db@redhat.com> In-Reply-To: <20200818215227.181654-3-jusual@redhat.com> References: <20200818215227.181654-1-jusual@redhat.com> <20200818215227.181654-3-jusual@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=imammedo@redhat.com X-Mimecast-Spam-Score: 0.002 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Received-SPF: pass client-ip=207.211.31.81; envelope-from=imammedo@redhat.com; helo=us-smtp-delivery-1.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/08/21 05:15:56 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -40 X-Spam_score: -4.1 X-Spam_bar: ---- X-Spam_report: (-4.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-1, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-1, 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: Gerd Hoffmann , qemu-devel@nongnu.org, "Michael S. Tsirkin" Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On Tue, 18 Aug 2020 23:52:25 +0200 Julia Suvorova wrote: > Implement notifications and gpe to support q35 ACPI PCI hot-plug. > Use 0xcc4 - 0xcd7 range for 'acpi-pci-hotplug' io ports. in addition to comment from Philippe > > Signed-off-by: Julia Suvorova > --- > include/hw/acpi/pcihp.h | 3 ++- > hw/acpi/pcihp.c | 10 ++++++---- > hw/acpi/piix4.c | 2 +- > hw/i386/acpi-build.c | 25 ++++++++++++++----------- > 4 files changed, 23 insertions(+), 17 deletions(-) > > diff --git a/include/hw/acpi/pcihp.h b/include/hw/acpi/pcihp.h > index 8bc4a4c01d..1e9d246f57 100644 > --- a/include/hw/acpi/pcihp.h > +++ b/include/hw/acpi/pcihp.h > @@ -54,7 +54,8 @@ typedef struct AcpiPciHpState { > } AcpiPciHpState; > > void acpi_pcihp_init(Object *owner, AcpiPciHpState *, PCIBus *root, > - MemoryRegion *address_space_io, bool bridges_enabled); > + MemoryRegion *address_space_io, bool bridges_enabled, > + bool is_piix4); > > void acpi_pcihp_device_pre_plug_cb(HotplugHandler *hotplug_dev, > DeviceState *dev, Error **errp); > diff --git a/hw/acpi/pcihp.c b/hw/acpi/pcihp.c > index 9e31ab2da4..9a35ed6c83 100644 > --- a/hw/acpi/pcihp.c > +++ b/hw/acpi/pcihp.c > @@ -38,7 +38,8 @@ > #include "qom/qom-qobject.h" > #include "trace.h" > > -#define ACPI_PCIHP_ADDR 0xae00 > +#define ACPI_PCIHP_ADDR_PIIX4 0xae00 > +#define ACPI_PCIHP_ADDR_Q35 0x0cc4 > #define ACPI_PCIHP_SIZE 0x0014 > #define PCI_UP_BASE 0x0000 > #define PCI_DOWN_BASE 0x0004 > @@ -359,12 +360,13 @@ static const MemoryRegionOps acpi_pcihp_io_ops = { > }; > > void acpi_pcihp_init(Object *owner, AcpiPciHpState *s, PCIBus *root_bus, > - MemoryRegion *address_space_io, bool bridges_enabled) > + MemoryRegion *address_space_io, bool bridges_enabled, > + bool is_piix4) > { > s->io_len = ACPI_PCIHP_SIZE; > - s->io_base = ACPI_PCIHP_ADDR; > + s->io_base = is_piix4 ? ACPI_PCIHP_ADDR_PIIX4 : ACPI_PCIHP_ADDR_Q35; > > - s->root= root_bus; > + s->root = root_bus; > s->legacy_piix = !bridges_enabled; > > memory_region_init_io(&s->io, owner, &acpi_pcihp_io_ops, s, > diff --git a/hw/acpi/piix4.c b/hw/acpi/piix4.c > index cdfa0e2998..1f27bfbd06 100644 > --- a/hw/acpi/piix4.c > +++ b/hw/acpi/piix4.c > @@ -596,7 +596,7 @@ static void piix4_acpi_system_hot_add_init(MemoryRegion *parent, > memory_region_add_subregion(parent, GPE_BASE, &s->io_gpe); > > acpi_pcihp_init(OBJECT(s), &s->acpi_pci_hotplug, bus, parent, > - s->use_acpi_hotplug_bridge); > + s->use_acpi_hotplug_bridge, true); > > s->cpu_hotplug_legacy = true; > object_property_add_bool(OBJECT(s), "cpu-hotplug-legacy", > diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c > index b7bcbbbb2a..f3cd52bd06 100644 > --- a/hw/i386/acpi-build.c > +++ b/hw/i386/acpi-build.c > @@ -201,10 +201,6 @@ static void acpi_get_pm_info(MachineState *machine, AcpiPmInfo *pm) > /* w2k requires FADT(rev1) or it won't boot, keep PC compatible */ > pm->fadt.rev = 1; > pm->cpu_hp_io_base = PIIX4_CPU_HOTPLUG_IO_BASE; > - pm->pcihp_io_base = > - object_property_get_uint(obj, ACPI_PCIHP_IO_BASE_PROP, NULL); > - pm->pcihp_io_len = > - object_property_get_uint(obj, ACPI_PCIHP_IO_LEN_PROP, NULL); > } > if (lpc) { > struct AcpiGenericAddress r = { .space_id = AML_AS_SYSTEM_IO, > @@ -214,6 +210,10 @@ static void acpi_get_pm_info(MachineState *machine, AcpiPmInfo *pm) > pm->fadt.flags |= 1 << ACPI_FADT_F_RESET_REG_SUP; > pm->cpu_hp_io_base = ICH9_CPU_HOTPLUG_IO_BASE; > } > + pm->pcihp_io_base = > + object_property_get_uint(obj, ACPI_PCIHP_IO_BASE_PROP, NULL); > + pm->pcihp_io_len = > + object_property_get_uint(obj, ACPI_PCIHP_IO_LEN_PROP, NULL); > > /* The above need not be conditional on machine type because the reset port > * happens to be the same on PIIX (pc) and ICH9 (q35). */ > @@ -472,7 +472,7 @@ static void build_append_pci_bus_devices(Aml *parent_scope, PCIBus *bus, > QLIST_FOREACH(sec, &bus->child, sibling) { > int32_t devfn = sec->parent_dev->devfn; > > - if (pci_bus_is_root(sec) || pci_bus_is_express(sec)) { > + if (pci_bus_is_root(sec)) { Does pcie bus on hostbridge fall into pci_bus_is_express() categiry or not? > continue; > } > > @@ -1368,7 +1368,7 @@ static void build_piix4_isa_bridge(Aml *table) > aml_append(table, scope); > } > > -static void build_piix4_pci_hotplug(Aml *table) > +static void build_i386_pci_hotplug(Aml *table, uint64_t pcihp_addr) > { > Aml *scope; > Aml *field; > @@ -1377,20 +1377,22 @@ static void build_piix4_pci_hotplug(Aml *table) > scope = aml_scope("_SB.PCI0"); > > aml_append(scope, > - aml_operation_region("PCST", AML_SYSTEM_IO, aml_int(0xae00), 0x08)); > + aml_operation_region("PCST", AML_SYSTEM_IO, aml_int(pcihp_addr), 0x08)); > field = aml_field("PCST", AML_DWORD_ACC, AML_NOLOCK, AML_WRITE_AS_ZEROS); > aml_append(field, aml_named_field("PCIU", 32)); > aml_append(field, aml_named_field("PCID", 32)); > aml_append(scope, field); > > aml_append(scope, > - aml_operation_region("SEJ", AML_SYSTEM_IO, aml_int(0xae08), 0x04)); > + aml_operation_region("SEJ", AML_SYSTEM_IO, > + aml_int(pcihp_addr + 0x08), 0x04)); ^^^^ how about turning this offset into macro? > field = aml_field("SEJ", AML_DWORD_ACC, AML_NOLOCK, AML_WRITE_AS_ZEROS); > aml_append(field, aml_named_field("B0EJ", 32)); > aml_append(scope, field); > > aml_append(scope, > - aml_operation_region("BNMR", AML_SYSTEM_IO, aml_int(0xae10), 0x04)); > + aml_operation_region("BNMR", AML_SYSTEM_IO, > + aml_int(pcihp_addr + 0x10), 0x04)); ditto > field = aml_field("BNMR", AML_DWORD_ACC, AML_NOLOCK, AML_WRITE_AS_ZEROS); > aml_append(field, aml_named_field("BNUM", 32)); > aml_append(scope, field); > @@ -1504,7 +1506,6 @@ build_dsdt(GArray *table_data, BIOSLinker *linker, > build_hpet_aml(dsdt); > build_piix4_isa_bridge(dsdt); > build_isa_devices_aml(dsdt); > - build_piix4_pci_hotplug(dsdt); > build_piix4_pci0_int(dsdt); > } else { > sb_scope = aml_scope("_SB"); > @@ -1526,6 +1527,8 @@ build_dsdt(GArray *table_data, BIOSLinker *linker, > } > } > > + build_i386_pci_hotplug(dsdt, pm->pcihp_io_base); > + > if (pcmc->legacy_cpu_hotplug) { > build_legacy_cpu_hotplug_aml(dsdt, machine, pm->cpu_hp_io_base); > } else { > @@ -1546,7 +1549,7 @@ build_dsdt(GArray *table_data, BIOSLinker *linker, > { > aml_append(scope, aml_name_decl("_HID", aml_string("ACPI0006"))); > > - if (misc->is_piix4) { > + if (misc->is_piix4 || pm->pcihp_bridge_en) { > method = aml_method("_E01", 0, AML_NOTSERIALIZED); > aml_append(method, > aml_acquire(aml_name("\\_SB.PCI0.BLCK"), 0xFFFF));