From: Pavel Fedin <p.fedin@samsung.com>
To: 'Wei Huang' <wei@redhat.com>,
'Peter Maydell' <peter.maydell@linaro.org>,
'Igor Mammedov' <imammedo@redhat.com>
Cc: 'G Gregory' <graeme.gregory@linaro.org>,
"'Michael S. Tsirkin'" <mst@redhat.com>,
'QEMU Developers' <qemu-devel@nongnu.org>,
"'Huangpeng \(Peter\)'" <peter.huangpeng@huawei.com>,
'qemu-arm' <qemu-arm@nongnu.org>,
'Shannon Zhao' <shannon.zhao@linaro.org>,
'Shannon Zhao' <zhaoshenglong@huawei.com>
Subject: Re: [Qemu-arm] [Qemu-devel] [PATCH v3 1/8] hw/arm/virt: Add a GPIO controller
Date: Wed, 02 Dec 2015 12:39:32 +0300 [thread overview]
Message-ID: <00d201d12ce5$59ace110$0d06a330$@samsung.com> (raw)
In-Reply-To: <565DBCCF.7050404@redhat.com>
Hello!
> PSCI handles the actions initiated from the inside of OS. Examples
> include system shutdown and hotplug (still inside OS). From this
> perspective PSCI works well. However this communication is
> one-direction: there isn't a way to communicate from the outside (e.g.
> libvirt) to the guest OS. For instance, "system_powerdown" qmp command
> won't work because guest OS can't receive the notification.
Ah, so it is necessary for e.g. commanding a graceful shutdown using virt-manager's "shutdown" command? Good then, i've missed that.
Kind regards,
Pavel Fedin
Expert Engineer
Samsung Electronics Research center Russia
WARNING: multiple messages have this Message-ID (diff)
From: Pavel Fedin <p.fedin@samsung.com>
To: 'Wei Huang' <wei@redhat.com>,
'Peter Maydell' <peter.maydell@linaro.org>,
'Igor Mammedov' <imammedo@redhat.com>
Cc: 'G Gregory' <graeme.gregory@linaro.org>,
"'Michael S. Tsirkin'" <mst@redhat.com>,
'QEMU Developers' <qemu-devel@nongnu.org>,
"'Huangpeng (Peter)'" <peter.huangpeng@huawei.com>,
'qemu-arm' <qemu-arm@nongnu.org>,
'Shannon Zhao' <shannon.zhao@linaro.org>,
'Shannon Zhao' <zhaoshenglong@huawei.com>
Subject: Re: [Qemu-devel] [Qemu-arm] [PATCH v3 1/8] hw/arm/virt: Add a GPIO controller
Date: Wed, 02 Dec 2015 12:39:32 +0300 [thread overview]
Message-ID: <00d201d12ce5$59ace110$0d06a330$@samsung.com> (raw)
In-Reply-To: <565DBCCF.7050404@redhat.com>
Hello!
> PSCI handles the actions initiated from the inside of OS. Examples
> include system shutdown and hotplug (still inside OS). From this
> perspective PSCI works well. However this communication is
> one-direction: there isn't a way to communicate from the outside (e.g.
> libvirt) to the guest OS. For instance, "system_powerdown" qmp command
> won't work because guest OS can't receive the notification.
Ah, so it is necessary for e.g. commanding a graceful shutdown using virt-manager's "shutdown" command? Good then, i've missed that.
Kind regards,
Pavel Fedin
Expert Engineer
Samsung Electronics Research center Russia
next prev parent reply other threads:[~2015-12-02 9:39 UTC|newest]
Thread overview: 43+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-11-16 13:23 [Qemu-devel] [PATCH v3 0/8] Add system_powerdown support on ARM for ACPI and DT shannon.zhao
2015-11-16 13:23 ` [Qemu-devel] [PATCH v3 1/8] hw/arm/virt: Add a GPIO controller shannon.zhao
2015-12-01 13:21 ` Igor Mammedov
2015-12-01 13:49 ` [Qemu-arm] " Peter Maydell
2015-12-01 13:49 ` Peter Maydell
2015-12-01 14:48 ` Pavel Fedin
2015-12-01 14:48 ` Pavel Fedin
2015-12-01 15:25 ` [Qemu-arm] " Shannon Zhao
2015-12-01 15:25 ` Shannon Zhao
2015-12-01 15:29 ` [Qemu-arm] " Wei Huang
2015-12-01 15:29 ` Wei Huang
2015-12-02 9:39 ` Pavel Fedin [this message]
2015-12-02 9:39 ` [Qemu-devel] [Qemu-arm] " Pavel Fedin
2015-11-16 13:23 ` [Qemu-devel] [PATCH v3 2/8] hw/arm/virt-acpi-build: Add GPIO controller in ACPI DSDT table shannon.zhao
2015-11-16 13:23 ` [Qemu-devel] [PATCH v3 3/8] hw/arm/virt-acpi-build: Add power button device " shannon.zhao
2015-12-01 11:41 ` Igor Mammedov
2015-12-01 12:43 ` [Qemu-arm] " Shannon Zhao
2015-12-01 12:43 ` Shannon Zhao
2015-12-01 13:05 ` Igor Mammedov
2015-12-01 13:12 ` [Qemu-arm] " Shannon Zhao
2015-12-01 13:12 ` Shannon Zhao
2015-11-16 13:23 ` [Qemu-devel] [PATCH v3 4/8] hw/acpi/aml-build: Add GPIO Connection Descriptor shannon.zhao
2015-12-03 15:15 ` [Qemu-arm] " Igor Mammedov
2015-12-03 15:15 ` [Qemu-devel] " Igor Mammedov
2015-11-16 13:23 ` [Qemu-devel] [PATCH v3 5/8] hw/acpi/aml-build: Add a wrapper for GPIO Interrupt Connection shannon.zhao
2015-12-03 15:34 ` [Qemu-arm] " Igor Mammedov
2015-12-03 15:34 ` [Qemu-devel] " Igor Mammedov
2015-12-03 15:37 ` [Qemu-arm] " Igor Mammedov
2015-12-03 15:37 ` [Qemu-devel] " Igor Mammedov
2015-11-16 13:23 ` [Qemu-devel] [PATCH v3 6/8] hw/arm/virt-acpi-build: Add _E03 for Power Button shannon.zhao
2015-12-04 14:10 ` [Qemu-arm] " Igor Mammedov
2015-12-04 14:10 ` Igor Mammedov
2015-12-07 7:10 ` [Qemu-arm] " Shannon Zhao
2015-12-07 7:10 ` Shannon Zhao
2015-11-16 13:23 ` [Qemu-devel] [PATCH v3 7/8] hw/arm/virt: Add QEMU powerdown notifier and hook it to GPIO Pin 3 shannon.zhao
2015-11-16 13:23 ` [Qemu-devel] [PATCH v3 8/8] hw/arm/virt: Add gpio-keys node for Poweroff using DT shannon.zhao
2015-11-27 17:16 ` [Qemu-arm] " Peter Maydell
2015-11-27 17:16 ` [Qemu-devel] " Peter Maydell
2015-11-28 3:06 ` [Qemu-arm] " Shannon Zhao
2015-11-28 3:06 ` [Qemu-devel] " Shannon Zhao
2015-11-17 1:37 ` [Qemu-arm] [PATCH v3 0/8] Add system_powerdown support on ARM for ACPI and DT Shannon Zhao
2015-11-17 1:37 ` [Qemu-devel] " Shannon Zhao
2015-12-01 13:43 ` Igor Mammedov
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