From patchwork Wed Jul 8 22:46:13 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Julia Suvorova X-Patchwork-Id: 278198 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=-4.2 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, RCVD_FAKE_HELO_DOTCOM, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS autolearn=no 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 1C9A7C433E0 for ; Wed, 8 Jul 2020 23:06:44 +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 D5F2C20708 for ; Wed, 8 Jul 2020 23:06:43 +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="XHGMwQhl" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D5F2C20708 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]:35242 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jtJ9H-0005Dn-3n for qemu-devel@archiver.kernel.org; Wed, 08 Jul 2020 19:06:43 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:54708) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jtIq8-0002L2-Ch for qemu-devel@nongnu.org; Wed, 08 Jul 2020 18:46:56 -0400 Received: from us-smtp-delivery-1.mimecast.com ([207.211.31.120]:39196 helo=us-smtp-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 1jtIq6-0004U9-M7 for qemu-devel@nongnu.org; Wed, 08 Jul 2020 18:46:56 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1594248414; 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=Hhu+zH8X4HUA+JMrot/iszoZ9L+zfO2C5fzjCaCqXKw=; b=XHGMwQhlUFSr3xBjvv1Pup1y73hCpJYcei6FO7kaZqRiH5y4lDq4z2zwA+88QEA9sULZyD VJUZBGBO37fYhGqWNPm9rIbdv1Z6z54eaZGjQf+rplBjT6kMR260fEMMlPKUf9sfKv+fd1 aPRVQqZKUWcIfSuiuSIkdDg+spbhSYc= 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-335-5WgR941zMV656tZbu5xCIA-1; Wed, 08 Jul 2020 18:46:49 -0400 X-MC-Unique: 5WgR941zMV656tZbu5xCIA-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 7105D1940926; Wed, 8 Jul 2020 22:46:48 +0000 (UTC) Received: from localhost.com (unknown [10.40.192.44]) by smtp.corp.redhat.com (Postfix) with ESMTPS id A8FC410016E8; Wed, 8 Jul 2020 22:46:46 +0000 (UTC) From: Julia Suvorova To: qemu-devel@nongnu.org Subject: [RFC PATCH 3/5] hw/i386/acpi-build: Add ACPI PCI hot-plug methods to q35 Date: Thu, 9 Jul 2020 00:46:13 +0200 Message-Id: <20200708224615.114077-4-jusual@redhat.com> In-Reply-To: <20200708224615.114077-1-jusual@redhat.com> References: <20200708224615.114077-1-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 X-Mimecast-Originator: redhat.com Received-SPF: pass client-ip=207.211.31.120; envelope-from=jusual@redhat.com; helo=us-smtp-1.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/07/07 17:25:10 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -28 X-Spam_score: -2.9 X-Spam_bar: -- X-Spam_report: (-2.9 / 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_FAKE_HELO_DOTCOM=1.189, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-1, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no 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 , "Michael S. Tsirkin" Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Implement notifications and gpe to support q35 ACPI PCI hot-plug. The addresses specified in [1] remain the same to make fewer changes. [1] docs/spec/acpi_pci_hotplug.txt Signed-off-by: Julia Suvorova --- hw/i386/acpi-build.c | 20 +++++++++++++------- 1 file changed, 13 insertions(+), 7 deletions(-) diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c index 11c598f955..5c5ad88ad6 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; } @@ -1586,7 +1586,12 @@ static void build_piix4_pci_hotplug(Aml *table) aml_append(table, scope); } -static Aml *build_q35_osc_method(void) +static void build_q35_pci_hotplug(Aml *table) +{ + build_piix4_pci_hotplug(table); +} + +static Aml *build_q35_osc_method(AcpiPmInfo *pm) { Aml *if_ctx; Aml *if_ctx2; @@ -1698,6 +1703,7 @@ build_dsdt(GArray *table_data, BIOSLinker *linker, build_hpet_aml(dsdt); build_q35_isa_bridge(dsdt); build_isa_devices_aml(dsdt); + build_q35_pci_hotplug(dsdt); build_q35_pci0_int(dsdt); if (pcms->smbus && !pcmc->do_not_add_smb_acpi) { build_smb0(dsdt, pcms->smbus, ICH9_SMB_DEV, ICH9_SMB_FUNC); @@ -1724,7 +1730,7 @@ 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)); From patchwork Wed Jul 8 22:46:15 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Julia Suvorova X-Patchwork-Id: 278197 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=-4.2 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, RCVD_FAKE_HELO_DOTCOM, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS autolearn=no 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 7FB43C433DF for ; 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Wed, 08 Jul 2020 18:47:00 -0400 X-MC-Unique: kDiYoGJfNuqfqXY1awePRQ-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 E522261249; Wed, 8 Jul 2020 22:46:59 +0000 (UTC) Received: from localhost.com (unknown [10.40.192.44]) by smtp.corp.redhat.com (Postfix) with ESMTPS id D21621002382; Wed, 8 Jul 2020 22:46:57 +0000 (UTC) From: Julia Suvorova To: qemu-devel@nongnu.org Subject: [RFC PATCH 5/5] hw/acpi/ich9: Enable ACPI PCI hot-plug Date: Thu, 9 Jul 2020 00:46:15 +0200 Message-Id: <20200708224615.114077-6-jusual@redhat.com> In-Reply-To: <20200708224615.114077-1-jusual@redhat.com> References: <20200708224615.114077-1-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 X-Mimecast-Originator: redhat.com Received-SPF: pass client-ip=205.139.110.120; envelope-from=jusual@redhat.com; helo=us-smtp-1.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/07/07 17:25:11 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -28 X-Spam_score: -2.9 X-Spam_bar: -- X-Spam_report: (-2.9 / 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_FAKE_HELO_DOTCOM=1.189, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-1, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no 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 , "Michael S. Tsirkin" Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Add acpi_pcihp to ich9_pm and use ACPI PCI hot-plug by default. Signed-off-by: Julia Suvorova --- include/hw/acpi/ich9.h | 3 +++ hw/acpi/ich9.c | 45 ++++++++++++++++++++++++++++++++++++++++++ hw/acpi/pcihp.c | 3 ++- hw/i386/pc.c | 4 +++- 4 files changed, 53 insertions(+), 2 deletions(-) diff --git a/include/hw/acpi/ich9.h b/include/hw/acpi/ich9.h index 28a53181cb..d345da6b74 100644 --- a/include/hw/acpi/ich9.h +++ b/include/hw/acpi/ich9.h @@ -24,6 +24,7 @@ #include "hw/acpi/acpi.h" #include "hw/acpi/cpu_hotplug.h" #include "hw/acpi/cpu.h" +#include "hw/acpi/pcihp.h" #include "hw/acpi/memory_hotplug.h" #include "hw/acpi/acpi_dev_interface.h" #include "hw/acpi/tco.h" @@ -53,6 +54,8 @@ typedef struct ICH9LPCPMRegs { AcpiCpuHotplug gpe_cpu; CPUHotplugState cpuhp_state; + bool use_acpi_pci_hotplug; + AcpiPciHpState acpi_pci_hotplug; MemHotplugState acpi_memory_hotplug; uint8_t disable_s3; diff --git a/hw/acpi/ich9.c b/hw/acpi/ich9.c index 0fdd736da4..e0291373f2 100644 --- a/hw/acpi/ich9.c +++ b/hw/acpi/ich9.c @@ -265,6 +265,7 @@ static void pm_reset(void *opaque) } pm->smi_en_wmask = ~0; + acpi_pcihp_reset(&pm->acpi_pci_hotplug); acpi_update_sci(&pm->acpi_regs, pm->irq); } @@ -303,6 +304,17 @@ void ich9_pm_init(PCIDevice *lpc_pci, ICH9LPCPMRegs *pm, pm->enable_tco = true; acpi_pm_tco_init(&pm->tco_regs, &pm->io); + if (pm->use_acpi_pci_hotplug) { + acpi_pcihp_init(OBJECT(lpc_pci), + &pm->acpi_pci_hotplug, + pci_get_bus(lpc_pci), + pci_address_space_io(lpc_pci), + true); + qbus_set_hotplug_handler(BUS(pci_get_bus(lpc_pci)), + OBJECT(lpc_pci), + &error_abort); + } + pm->irq = sci_irq; qemu_register_reset(pm_reset, pm); pm->powerdown_notifier.notify = pm_powerdown_req; @@ -374,6 +386,20 @@ static void ich9_pm_set_enable_tco(Object *obj, bool value, Error **errp) s->pm.enable_tco = value; } +static bool ich9_pm_get_acpi_pci_hotplug(Object *obj, Error **errp) +{ + ICH9LPCState *s = ICH9_LPC_DEVICE(obj); + + return s->pm.use_acpi_pci_hotplug; +} + +static void ich9_pm_set_acpi_pci_hotplug(Object *obj, bool value, + Error **errp) +{ + ICH9LPCState *s = ICH9_LPC_DEVICE(obj); + + s->pm.use_acpi_pci_hotplug = value; +} void ich9_pm_add_properties(Object *obj, ICH9LPCPMRegs *pm) { static const uint32_t gpe0_len = ICH9_PMIO_GPE0_LEN; @@ -382,6 +408,7 @@ void ich9_pm_add_properties(Object *obj, ICH9LPCPMRegs *pm) pm->disable_s3 = 0; pm->disable_s4 = 0; pm->s4_val = 2; + pm->use_acpi_pci_hotplug = true; object_property_add_uint32_ptr(obj, ACPI_PM_PROP_PM_IO_BASE, &pm->pm_io_base, OBJ_PROP_FLAG_READ); @@ -405,6 +432,9 @@ void ich9_pm_add_properties(Object *obj, ICH9LPCPMRegs *pm) object_property_add_bool(obj, ACPI_PM_PROP_TCO_ENABLED, ich9_pm_get_enable_tco, ich9_pm_set_enable_tco); + object_property_add_bool(obj, "acpi-pci-hotplug-with-bridge-support", + ich9_pm_get_acpi_pci_hotplug, + ich9_pm_set_acpi_pci_hotplug); } void ich9_pm_device_pre_plug_cb(HotplugHandler *hotplug_dev, DeviceState *dev, @@ -412,6 +442,11 @@ void ich9_pm_device_pre_plug_cb(HotplugHandler *hotplug_dev, DeviceState *dev, { ICH9LPCState *lpc = ICH9_LPC_DEVICE(hotplug_dev); + if (object_dynamic_cast(OBJECT(dev), TYPE_PCI_DEVICE)) { + acpi_pcihp_device_pre_plug_cb(hotplug_dev, dev, errp); + return; + } + if (object_dynamic_cast(OBJECT(dev), TYPE_PC_DIMM) && !lpc->pm.acpi_memory_hotplug.is_enabled) error_setg(errp, @@ -437,6 +472,9 @@ void ich9_pm_device_plug_cb(HotplugHandler *hotplug_dev, DeviceState *dev, } else { acpi_cpu_plug_cb(hotplug_dev, &lpc->pm.cpuhp_state, dev, errp); } + } else if (object_dynamic_cast(OBJECT(dev), TYPE_PCI_DEVICE)) { + acpi_pcihp_device_plug_cb(hotplug_dev, &lpc->pm.acpi_pci_hotplug, + dev, errp); } else { error_setg(errp, "acpi: device plug request for not supported device" " type: %s", object_get_typename(OBJECT(dev))); @@ -457,6 +495,10 @@ void ich9_pm_device_unplug_request_cb(HotplugHandler *hotplug_dev, !lpc->pm.cpu_hotplug_legacy) { acpi_cpu_unplug_request_cb(hotplug_dev, &lpc->pm.cpuhp_state, dev, errp); + } else if (object_dynamic_cast(OBJECT(dev), TYPE_PCI_DEVICE)) { + acpi_pcihp_device_unplug_request_cb(hotplug_dev, + &lpc->pm.acpi_pci_hotplug, + dev, errp); } else { error_setg(errp, "acpi: device unplug request for not supported device" " type: %s", object_get_typename(OBJECT(dev))); @@ -474,6 +516,9 @@ void ich9_pm_device_unplug_cb(HotplugHandler *hotplug_dev, DeviceState *dev, } else if (object_dynamic_cast(OBJECT(dev), TYPE_CPU) && !lpc->pm.cpu_hotplug_legacy) { acpi_cpu_unplug_cb(&lpc->pm.cpuhp_state, dev, errp); + } else if (object_dynamic_cast(OBJECT(dev), TYPE_PCI_DEVICE)) { + acpi_pcihp_device_unplug_cb(hotplug_dev, &lpc->pm.acpi_pci_hotplug, + dev, errp); } else { error_setg(errp, "acpi: device unplug for not supported device" " type: %s", object_get_typename(OBJECT(dev))); diff --git a/hw/acpi/pcihp.c b/hw/acpi/pcihp.c index 3d4ee3af72..d905d1b8f2 100644 --- a/hw/acpi/pcihp.c +++ b/hw/acpi/pcihp.c @@ -110,7 +110,8 @@ static void acpi_set_pci_info(void) } bsel_is_set = true; - bus = find_i440fx(); /* TODO: Q35 support */ + bus = find_host(); + if (bus) { /* Scan all PCI buses. Set property to enable acpi based hotplug. */ pci_for_each_bus_depth_first(bus, acpi_set_bsel, NULL, &bsel_alloc); diff --git a/hw/i386/pc.c b/hw/i386/pc.c index 143ac1c354..21c6eb779e 100644 --- a/hw/i386/pc.c +++ b/hw/i386/pc.c @@ -96,7 +96,9 @@ #include "fw_cfg.h" #include "trace.h" -GlobalProperty pc_compat_5_0[] = {}; +GlobalProperty pc_compat_5_0[] = { + { "ICH9-LPC", "acpi-pci-hotplug-with-bridge-support", "off" }, +}; const size_t pc_compat_5_0_len = G_N_ELEMENTS(pc_compat_5_0); GlobalProperty pc_compat_4_2[] = {