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=-13.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,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 A94B4C433B4 for ; Thu, 20 May 2021 13:48:40 +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 228ED611AE for ; Thu, 20 May 2021 13:48:40 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 228ED611AE 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]:56434 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1ljj2V-0001Db-3z for qemu-devel@archiver.kernel.org; Thu, 20 May 2021 09:48:39 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:51538) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1ljj0y-000865-3k for qemu-devel@nongnu.org; Thu, 20 May 2021 09:47:04 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]:60504) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1ljj0t-0008OL-KI for qemu-devel@nongnu.org; Thu, 20 May 2021 09:47:02 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1621518417; 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=cyxSXl91/SzMxo33wThCaG05YRwvG6uJMiQRChA+LY8=; b=QCup3nBP+SPMuEjkNZzuodpt0z6G1pQ76ROYHdSraY8fjq4X1WvbXNNwt2CeQerjjTsfm4 qf+DPlqVqd6DQWXr88xTOns4cU2wQn0gRHpzBhk8nLy1eY2P41Ip9dQrgPpPpqTUlS2DA0 Brx0k5qa3B1DE83YfntSzrrodBfYhKk= 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-62-akn9-w6MNW-AOl8anZnw8w-1; Thu, 20 May 2021 09:46:54 -0400 X-MC-Unique: akn9-w6MNW-AOl8anZnw8w-1 Received: from smtp.corp.redhat.com (int-mx08.intmail.prod.int.phx2.redhat.com [10.5.11.23]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 353D18042A3; Thu, 20 May 2021 13:46:53 +0000 (UTC) Received: from localhost (unknown [10.40.208.32]) by smtp.corp.redhat.com (Postfix) with ESMTP id DE412617E; Thu, 20 May 2021 13:46:44 +0000 (UTC) Date: Thu, 20 May 2021 15:46:42 +0200 From: Igor Mammedov To: Julia Suvorova Subject: Re: [RFC PATCH v4 3/7] hw/acpi/ich9: Enable ACPI PCI hot-plug Message-ID: <20210520154642.7474caaf@redhat.com> In-Reply-To: <20210513062642.3027987-4-jusual@redhat.com> References: <20210513062642.3027987-1-jusual@redhat.com> <20210513062642.3027987-4-jusual@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.23 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=imammedo@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Received-SPF: pass client-ip=170.10.133.124; envelope-from=imammedo@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -31 X-Spam_score: -3.2 X-Spam_bar: --- X-Spam_report: (-3.2 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.39, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, 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: Eduardo Habkost , qemu-devel@nongnu.org, "Michael S. Tsirkin" Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On Thu, 13 May 2021 08:26:38 +0200 Julia Suvorova wrote: > Add acpi_pcihp to ich9_pm as part of > 'acpi-pci-hotplug-with-bridge-support' option. Set default to false. > > Signed-off-by: Julia Suvorova Modulo code style nit below, looks fine to me: With that fixed, Reviewed-by: Igor Mammedov > --- > hw/i386/acpi-build.h | 1 + > include/hw/acpi/ich9.h | 3 ++ > hw/acpi/ich9.c | 68 ++++++++++++++++++++++++++++++++++++++++++ > hw/acpi/pcihp.c | 5 +++- > hw/i386/acpi-build.c | 2 +- > 5 files changed, 77 insertions(+), 2 deletions(-) > > diff --git a/hw/i386/acpi-build.h b/hw/i386/acpi-build.h > index 487ec7710f..0dce155c8c 100644 > --- a/hw/i386/acpi-build.h > +++ b/hw/i386/acpi-build.h > @@ -10,5 +10,6 @@ extern const struct AcpiGenericAddress x86_nvdimm_acpi_dsmio; > #define ACPI_PCIHP_BNMR_BASE 0x10 > > void acpi_setup(void); > +Object *acpi_get_i386_pci_host(void); > > #endif > diff --git a/include/hw/acpi/ich9.h b/include/hw/acpi/ich9.h > index 596120d97f..a329ce43ab 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" > @@ -55,6 +56,8 @@ typedef struct ICH9LPCPMRegs { > AcpiCpuHotplug gpe_cpu; > CPUHotplugState cpuhp_state; > > + bool use_acpi_hotplug_bridge; > + 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 4daa79ec8d..f6819c4f2a 100644 > --- a/hw/acpi/ich9.c > +++ b/hw/acpi/ich9.c > @@ -217,6 +217,26 @@ static const VMStateDescription vmstate_cpuhp_state = { > } > }; > > +static bool vmstate_test_use_pcihp(void *opaque) > +{ > + ICH9LPCPMRegs *s = opaque; > + > + return s->use_acpi_hotplug_bridge; > +} > + > +static const VMStateDescription vmstate_pcihp_state = { > + .name = "ich9_pm/pcihp", > + .version_id = 1, > + .minimum_version_id = 1, > + .needed = vmstate_test_use_pcihp, > + .fields = (VMStateField[]) { > + VMSTATE_PCI_HOTPLUG(acpi_pci_hotplug, > + ICH9LPCPMRegs, > + NULL, NULL), > + VMSTATE_END_OF_LIST() > + } > +}; > + > const VMStateDescription vmstate_ich9_pm = { > .name = "ich9_pm", > .version_id = 1, > @@ -238,6 +258,7 @@ const VMStateDescription vmstate_ich9_pm = { > &vmstate_memhp_state, > &vmstate_tco_io_state, > &vmstate_cpuhp_state, > + &vmstate_pcihp_state, > NULL > } > }; > @@ -259,6 +280,7 @@ static void pm_reset(void *opaque) > } > pm->smi_en_wmask = ~0; > > + acpi_pcihp_reset(&pm->acpi_pci_hotplug, true); > acpi_update_sci(&pm->acpi_regs, pm->irq); > } > > @@ -297,6 +319,18 @@ 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_hotplug_bridge) { > + acpi_pcihp_init(OBJECT(lpc_pci), > + &pm->acpi_pci_hotplug, > + pci_get_bus(lpc_pci), > + pci_address_space_io(lpc_pci), > + true, > + ACPI_PCIHP_ADDR_ICH9); > + > + qbus_set_hotplug_handler(BUS(pci_get_bus(lpc_pci)), > + OBJECT(lpc_pci)); > + } > + > pm->irq = sci_irq; > qemu_register_reset(pm_reset, pm); > pm->powerdown_notifier.notify = pm_powerdown_req; > @@ -368,6 +402,21 @@ 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_hotplug_bridge; > +} > + > +static void ich9_pm_set_acpi_pci_hotplug(Object *obj, bool value, > + Error **errp) misaligned line > +{ > + ICH9LPCState *s = ICH9_LPC_DEVICE(obj); > + > + s->pm.use_acpi_hotplug_bridge = value; > +} > + > void ich9_pm_add_properties(Object *obj, ICH9LPCPMRegs *pm) > { > static const uint32_t gpe0_len = ICH9_PMIO_GPE0_LEN; > @@ -376,6 +425,7 @@ void ich9_pm_add_properties(Object *obj, ICH9LPCPMRegs *pm) > pm->disable_s3 = 0; > pm->disable_s4 = 0; > pm->s4_val = 2; > + pm->use_acpi_hotplug_bridge = false; > > object_property_add_uint32_ptr(obj, ACPI_PM_PROP_PM_IO_BASE, > &pm->pm_io_base, OBJ_PROP_FLAG_READ); > @@ -399,6 +449,9 @@ 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, > @@ -406,6 +459,11 @@ 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, > @@ -441,6 +499,9 @@ 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))); > @@ -473,6 +534,10 @@ void ich9_pm_device_unplug_request_cb(HotplugHandler *hotplug_dev, > > 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))); > @@ -490,6 +555,9 @@ 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 a55992ed9f..5355618608 100644 > --- a/hw/acpi/pcihp.c > +++ b/hw/acpi/pcihp.c > @@ -30,6 +30,8 @@ > #include "hw/pci-host/i440fx.h" > #include "hw/pci/pci.h" > #include "hw/pci/pci_bridge.h" > +#include "hw/pci/pci_host.h" > +#include "hw/i386/acpi-build.h" > #include "hw/acpi/acpi.h" > #include "hw/pci/pci_bus.h" > #include "migration/vmstate.h" > @@ -103,6 +105,7 @@ static void *acpi_set_bsel(PCIBus *bus, void *opaque) > static void acpi_set_pci_info(void) > { > static bool bsel_is_set; > + Object *host = acpi_get_i386_pci_host(); > PCIBus *bus; > unsigned bsel_alloc = ACPI_PCIHP_BSEL_DEFAULT; > > @@ -111,7 +114,7 @@ static void acpi_set_pci_info(void) > } > bsel_is_set = true; > > - bus = find_i440fx(); /* TODO: Q35 support */ > + bus = PCI_HOST_BRIDGE(host)->bus; > 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/acpi-build.c b/hw/i386/acpi-build.c > index 1cc5c3b791..a2e883f75c 100644 > --- a/hw/i386/acpi-build.c > +++ b/hw/i386/acpi-build.c > @@ -295,7 +295,7 @@ static void acpi_get_misc_info(AcpiMiscInfo *info) > * Because of the PXB hosts we cannot simply query TYPE_PCI_HOST_BRIDGE. > * On i386 arch we only have two pci hosts, so we can look only for them. > */ > -static Object *acpi_get_i386_pci_host(void) > +Object *acpi_get_i386_pci_host(void) > { > PCIHostState *host; >