From patchwork Tue Aug 18 21:52:25 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Julia Suvorova X-Patchwork-Id: 11722229 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 7BB05618 for ; Tue, 18 Aug 2020 21:55:58 +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 52A2D2075E for ; Tue, 18 Aug 2020 21:55:58 +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="M0jnadWl" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 52A2D2075E 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+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Received: from localhost ([::1]:50310 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1k89aH-0002hY-Eb for patchwork-qemu-devel@patchwork.kernel.org; Tue, 18 Aug 2020 17:55:57 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:48638) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1k89ZV-00018h-5T for qemu-devel@nongnu.org; Tue, 18 Aug 2020 17:55:09 -0400 Received: from us-smtp-1.mimecast.com ([205.139.110.61]:51181 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 1k89ZT-0007fd-C1 for qemu-devel@nongnu.org; Tue, 18 Aug 2020 17:55:08 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1597787706; 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=zRkoBhPPk1tgK/aHWbcM7m+I8n/pyxfQdRuXyWBtaOA=; b=M0jnadWlq0gAXSWVKhBrauWAtGIvjDIHbPX24KWjMkQTKXN4E97yzcVDFycDZlOy6bBtAW PiK+aeLAJAVVCdYuZt/biDEFK68Fa1um+DPIm7ifpP2uzwtws6ahBHdMKDFg47JWpeSjUj jClbbnzB2UmoAZa3lNqFBiYOmIBNCYs= 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-280-ZrNY5CDePYquKKL-QovE3Q-1; Tue, 18 Aug 2020 17:55:05 -0400 X-MC-Unique: ZrNY5CDePYquKKL-QovE3Q-1 Received: from smtp.corp.redhat.com (int-mx07.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 52BF9425D2; Tue, 18 Aug 2020 21:55:04 +0000 (UTC) Received: from localhost.localdomain.com (unknown [10.43.2.201]) by smtp.corp.redhat.com (Postfix) with ESMTPS id ED99A1014182; Tue, 18 Aug 2020 21:55:02 +0000 (UTC) From: Julia Suvorova To: qemu-devel@nongnu.org Subject: [RFC PATCH v2 2/4] hw/i386/acpi-build: Add ACPI PCI hot-plug methods to q35 Date: Tue, 18 Aug 2020 23:52:25 +0200 Message-Id: <20200818215227.181654-3-jusual@redhat.com> In-Reply-To: <20200818215227.181654-1-jusual@redhat.com> References: <20200818215227.181654-1-jusual@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.22 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=jusual@redhat.com X-Mimecast-Spam-Score: 0.001 X-Mimecast-Originator: redhat.com Received-SPF: pass client-ip=205.139.110.61; envelope-from=jusual@redhat.com; helo=us-smtp-delivery-1.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/08/18 17:55:04 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: Igor Mammedov , Julia Suvorova , Gerd Hoffmann , "Michael S. Tsirkin" Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" Implement notifications and gpe to support q35 ACPI PCI hot-plug. Use 0xcc4 - 0xcd7 range for 'acpi-pci-hotplug' io ports. 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)) { 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)); 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)); 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));