From: Auger Eric <eric.auger@redhat.com>
To: Shameer Kolothum <shameerali.kolothum.thodi@huawei.com>,
qemu-devel@nongnu.org, qemu-arm@nongnu.org, imammedo@redhat.com
Cc: peter.maydell@linaro.org, sameo@linux.intel.com,
ard.biesheuvel@linaro.org, linuxarm@huawei.com,
xuwei5@hisilicon.com, shannon.zhaosl@gmail.com,
sebastien.boeuf@intel.com, lersek@redhat.com
Subject: Re: [Qemu-devel] [PATCH v5 7/8] hw/acpi: Add system power down support to GED
Date: Tue, 18 Jun 2019 14:43:41 +0200 [thread overview]
Message-ID: <6bbdbb6a-1b93-7dd6-b73a-74df7321f281@redhat.com> (raw)
In-Reply-To: <20190522162252.28568-8-shameerali.kolothum.thodi@huawei.com>
Hi Shameer,
On 5/22/19 6:22 PM, Shameer Kolothum wrote:
> This adds support to use GED for system power down event.
>
> Signed-off-by: Shameer Kolothum <shameerali.kolothum.thodi@huawei.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Thanks
Eric
> ---
> hw/acpi/generic_event_device.c | 16 ++++++++++++++++
> include/hw/acpi/generic_event_device.h | 4 ++++
> 2 files changed, 20 insertions(+)
>
> diff --git a/hw/acpi/generic_event_device.c b/hw/acpi/generic_event_device.c
> index 914fe64716..27c1bb40d4 100644
> --- a/hw/acpi/generic_event_device.c
> +++ b/hw/acpi/generic_event_device.c
> @@ -20,6 +20,7 @@
>
> 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[]
> @@ -228,6 +234,13 @@ static void acpi_ged_send_event(AcpiDeviceIf *adev, AcpiEventStatusBits ev)
> acpi_ged_event(s, sel);
> }
>
> +static void acpi_ged_pm_powerdown_req(Notifier *n, void *opaque)
> +{
> + AcpiGedState *s = container_of(n, AcpiGedState, powerdown_notifier);
> +
> + acpi_ged_event(s, ACPI_GED_PWR_DOWN_EVT);
> +}
> +
> static void acpi_ged_device_realize(DeviceState *dev, Error **errp)
> {
> AcpiGedState *s = ACPI_GED(dev);
> @@ -239,6 +252,9 @@ static void acpi_ged_device_realize(DeviceState *dev, Error **errp)
> }
>
> acpi_ged_init(get_system_memory(), dev, &s->ged_state);
> +
> + s->powerdown_notifier.notify = acpi_ged_pm_powerdown_req;
> + qemu_register_powerdown_notifier(&s->powerdown_notifier);
> }
>
> static Property acpi_ged_properties[] = {
> diff --git a/include/hw/acpi/generic_event_device.h b/include/hw/acpi/generic_event_device.h
> index f69d084c89..9e63b72cb9 100644
> --- a/include/hw/acpi/generic_event_device.h
> +++ b/include/hw/acpi/generic_event_device.h
> @@ -61,6 +61,8 @@
>
> #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;
> @@ -88,6 +91,7 @@ typedef struct GEDState {
>
> typedef struct AcpiGedState {
> DeviceClass parent_obj;
> + Notifier powerdown_notifier;
> MemHotplugState memhp_state;
> hwaddr memhp_base;
> hwaddr ged_base;
>
next prev parent reply other threads:[~2019-06-18 12:48 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-05-22 16:22 [Qemu-devel] [PATCH v5 0/8] ARM virt: ACPI memory hotplug support Shameer Kolothum
2019-05-22 16:22 ` [Qemu-devel] [PATCH v5 1/8] hw/acpi: Make ACPI IO address space configurable Shameer Kolothum
2019-05-22 16:22 ` [Qemu-devel] [PATCH v5 2/8] hw/acpi: Do not create memory hotplug method when handler is not defined Shameer Kolothum
2019-06-20 12:45 ` Igor Mammedov
2019-05-22 16:22 ` [Qemu-devel] [PATCH v5 3/8] hw/acpi: Add ACPI Generic Event Device Support Shameer Kolothum
2019-06-18 12:40 ` Auger Eric
2019-06-19 8:14 ` Shameerali Kolothum Thodi
2019-05-22 16:22 ` [Qemu-devel] [PATCH v5 4/8] hw/arm/virt: Add memory hotplug framework Shameer Kolothum
2019-06-18 12:42 ` Auger Eric
2019-06-19 8:16 ` Shameerali Kolothum Thodi
2019-05-22 16:22 ` [Qemu-devel] [PATCH v5 5/8] hw/arm/virt: Enable device memory cold/hot plug with ACPI boot Shameer Kolothum
2019-06-18 12:43 ` Auger Eric
2019-05-22 16:22 ` [Qemu-devel] [PATCH v5 6/8] hw/arm/virt-acpi-build: Add PC-DIMM in SRAT Shameer Kolothum
2019-05-22 16:22 ` [Qemu-devel] [PATCH v5 7/8] hw/acpi: Add system power down support to GED Shameer Kolothum
2019-06-18 12:43 ` Auger Eric [this message]
2019-05-22 16:22 ` [Qemu-devel] [PATCH v5 8/8] hw/arm: Use GED for system_powerdown event Shameer Kolothum
2019-06-18 12:49 ` Auger Eric
2019-06-18 12:52 ` [Qemu-devel] [PATCH v5 0/8] ARM virt: ACPI memory hotplug support Auger Eric
2019-06-18 12:57 ` Peter Maydell
2019-06-18 13:44 ` Auger Eric
2019-06-19 8:18 ` Shameerali Kolothum Thodi
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