From patchwork Wed Sep 18 13:06:30 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shameerali Kolothum Thodi X-Patchwork-Id: 11150377 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 9AE3514ED for ; Wed, 18 Sep 2019 13:23:19 +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 7BEB520856 for ; Wed, 18 Sep 2019 13:23:19 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 7BEB520856 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=huawei.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]:59024 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iAZvR-0001og-UG for patchwork-qemu-devel@patchwork.kernel.org; Wed, 18 Sep 2019 09:23:17 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:58776) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iAZhD-0004XC-8V for qemu-devel@nongnu.org; Wed, 18 Sep 2019 09:08:36 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1iAZhB-0003U9-OR for qemu-devel@nongnu.org; Wed, 18 Sep 2019 09:08:35 -0400 Received: from szxga04-in.huawei.com ([45.249.212.190]:2175 helo=huawei.com) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1iAZh8-0003Qr-1C; Wed, 18 Sep 2019 09:08:30 -0400 Received: from DGGEMS409-HUB.china.huawei.com (unknown [172.30.72.58]) by Forcepoint Email with ESMTP id 17D7492726D440B01D4D; Wed, 18 Sep 2019 21:08:28 +0800 (CST) Received: from S00345302A-PC.china.huawei.com (10.202.227.237) by DGGEMS409-HUB.china.huawei.com (10.3.19.209) with Microsoft SMTP Server id 14.3.439.0; Wed, 18 Sep 2019 21:08:20 +0800 From: Shameer Kolothum To: , , , Date: Wed, 18 Sep 2019 14:06:30 +0100 Message-ID: <20190918130633.4872-9-shameerali.kolothum.thodi@huawei.com> X-Mailer: git-send-email 2.12.0.windows.1 In-Reply-To: <20190918130633.4872-1-shameerali.kolothum.thodi@huawei.com> References: <20190918130633.4872-1-shameerali.kolothum.thodi@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.202.227.237] X-CFilter-Loop: Reflected X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 45.249.212.190 Subject: [Qemu-devel] [PATCH-for-4.2 v11 08/11] hw/arm: Use GED for system_powerdown event 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: peter.maydell@linaro.org, sameo@linux.intel.com, ard.biesheuvel@linaro.org, mst@redhat.com, linuxarm@huawei.com, xuwei5@hisilicon.com, shannon.zhaosl@gmail.com, sebastien.boeuf@intel.com, lersek@redhat.com Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" For machines 4.2 or higher with ACPI boot use GED for system_powerdown event instead of GPIO. Guest boot with DT still uses GPIO. Signed-off-by: Shameer Kolothum Reviewed-by: Eric Auger Reviewed-by: Igor Mammedov --- hw/acpi/generic_event_device.c | 8 ++++++++ hw/arm/virt-acpi-build.c | 6 +++--- hw/arm/virt.c | 18 ++++++++++++------ include/hw/acpi/acpi_dev_interface.h | 1 + include/hw/acpi/generic_event_device.h | 3 +++ 5 files changed, 27 insertions(+), 9 deletions(-) diff --git a/hw/acpi/generic_event_device.c b/hw/acpi/generic_event_device.c index b94500b08d..9cee90cc70 100644 --- a/hw/acpi/generic_event_device.c +++ b/hw/acpi/generic_event_device.c @@ -22,6 +22,7 @@ static const uint32_t ged_supported_events[] = { ACPI_GED_MEM_HOTPLUG_EVT, + ACPI_GED_PWR_DOWN_EVT, }; /* @@ -104,6 +105,11 @@ void build_ged_aml(Aml *table, const char *name, HotplugHandler *hotplug_dev, aml_append(if_ctx, aml_call0(MEMORY_DEVICES_CONTAINER "." MEMORY_SLOT_SCAN_METHOD)); break; + case ACPI_GED_PWR_DOWN_EVT: + aml_append(if_ctx, + aml_notify(aml_name(ACPI_POWER_BUTTON_DEVICE), + aml_int(0x80))); + break; default: /* * Please make sure all the events in ged_supported_events[] @@ -184,6 +190,8 @@ static void acpi_ged_send_event(AcpiDeviceIf *adev, AcpiEventStatusBits ev) if (ev & ACPI_MEMORY_HOTPLUG_STATUS) { sel = ACPI_GED_MEM_HOTPLUG_EVT; + } else if (ev & ACPI_POWER_DOWN_STATUS) { + sel = ACPI_GED_PWR_DOWN_EVT; } else { /* Unknown event. Return without generating interrupt. */ warn_report("GED: Unsupported event %d. No irq injected", ev); diff --git a/hw/arm/virt-acpi-build.c b/hw/arm/virt-acpi-build.c index c97661ad68..4cd50175e0 100644 --- a/hw/arm/virt-acpi-build.c +++ b/hw/arm/virt-acpi-build.c @@ -50,7 +50,6 @@ #include "migration/vmstate.h" #define ARM_SPI_BASE 32 -#define ACPI_POWER_BUTTON_DEVICE "PWRB" static void acpi_dsdt_add_cpus(Aml *scope, int smp_cpus) { @@ -741,13 +740,14 @@ build_dsdt(GArray *table_data, BIOSLinker *linker, VirtMachineState *vms) (irqmap[VIRT_MMIO] + ARM_SPI_BASE), NUM_VIRTIO_TRANSPORTS); acpi_dsdt_add_pci(scope, memmap, (irqmap[VIRT_PCIE] + ARM_SPI_BASE), vms->highmem, vms->highmem_ecam); - acpi_dsdt_add_gpio(scope, &memmap[VIRT_GPIO], - (irqmap[VIRT_GPIO] + ARM_SPI_BASE)); if (vms->acpi_dev) { build_ged_aml(scope, "\\_SB."GED_DEVICE, HOTPLUG_HANDLER(vms->acpi_dev), irqmap[VIRT_ACPI_GED] + ARM_SPI_BASE, AML_SYSTEM_MEMORY, memmap[VIRT_ACPI_GED].base); + } else { + acpi_dsdt_add_gpio(scope, &memmap[VIRT_GPIO], + (irqmap[VIRT_GPIO] + ARM_SPI_BASE)); } if (vms->acpi_dev) { diff --git a/hw/arm/virt.c b/hw/arm/virt.c index dbd8c18f36..d4bedc2607 100644 --- a/hw/arm/virt.c +++ b/hw/arm/virt.c @@ -536,10 +536,10 @@ static inline DeviceState *create_acpi_ged(VirtMachineState *vms, qemu_irq *pic) DeviceState *dev; MachineState *ms = MACHINE(vms); int irq = vms->irqmap[VIRT_ACPI_GED]; - uint32_t event = 0; + uint32_t event = ACPI_GED_PWR_DOWN_EVT; if (ms->ram_slots) { - event = ACPI_GED_MEM_HOTPLUG_EVT; + event |= ACPI_GED_MEM_HOTPLUG_EVT; } dev = qdev_create(NULL, TYPE_ACPI_GED); @@ -793,8 +793,14 @@ static void create_rtc(const VirtMachineState *vms, qemu_irq *pic) static DeviceState *gpio_key_dev; static void virt_powerdown_req(Notifier *n, void *opaque) { - /* use gpio Pin 3 for power button event */ - qemu_set_irq(qdev_get_gpio_in(gpio_key_dev, 0), 1); + VirtMachineState *s = container_of(n, VirtMachineState, powerdown_notifier); + + if (s->acpi_dev) { + acpi_send_event(s->acpi_dev, ACPI_POWER_DOWN_STATUS); + } else { + /* use gpio Pin 3 for power button event */ + qemu_set_irq(qdev_get_gpio_in(gpio_key_dev, 0), 1); + } } static void create_gpio(const VirtMachineState *vms, qemu_irq *pic) @@ -1723,10 +1729,10 @@ static void machvirt_init(MachineState *machine) create_pcie(vms, pic); - create_gpio(vms, pic); - if (has_ged && aarch64 && firmware_loaded && acpi_enabled) { vms->acpi_dev = create_acpi_ged(vms, pic); + } else { + create_gpio(vms, pic); } /* connect powerdown request */ diff --git a/include/hw/acpi/acpi_dev_interface.h b/include/hw/acpi/acpi_dev_interface.h index 0ba90effd2..a2a12af9b9 100644 --- a/include/hw/acpi/acpi_dev_interface.h +++ b/include/hw/acpi/acpi_dev_interface.h @@ -13,6 +13,7 @@ typedef enum { ACPI_MEMORY_HOTPLUG_STATUS = 8, ACPI_NVDIMM_HOTPLUG_STATUS = 16, ACPI_VMGENID_CHANGE_STATUS = 32, + ACPI_POWER_DOWN_STATUS = 64, } AcpiEventStatusBits; #define TYPE_ACPI_DEVICE_IF "acpi-device-interface" diff --git a/include/hw/acpi/generic_event_device.h b/include/hw/acpi/generic_event_device.h index 2049e8d873..d157eac088 100644 --- a/include/hw/acpi/generic_event_device.h +++ b/include/hw/acpi/generic_event_device.h @@ -62,6 +62,8 @@ #include "hw/sysbus.h" #include "hw/acpi/memory_hotplug.h" +#define ACPI_POWER_BUTTON_DEVICE "PWRB" + #define TYPE_ACPI_GED "acpi-ged" #define ACPI_GED(obj) \ OBJECT_CHECK(AcpiGedState, (obj), TYPE_ACPI_GED) @@ -79,6 +81,7 @@ * through GED. */ #define ACPI_GED_MEM_HOTPLUG_EVT 0x1 +#define ACPI_GED_PWR_DOWN_EVT 0x2 typedef struct GEDState { MemoryRegion io;