From: Shuo A Liu <shuo.a.liu@intel.com>
To: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: linux-kernel@vger.kernel.org, x86@kernel.org,
"H . Peter Anvin" <hpa@zytor.com>,
Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
Yu Wang <yu1.wang@intel.com>,
Reinette Chatre <reinette.chatre@intel.com>
Subject: Re: [PATCH v9 00/18] HSM driver for ACRN hypervisor
Date: Tue, 9 Feb 2021 18:18:48 +0800 [thread overview]
Message-ID: <20210209101848.GD15601@shuo-intel.sh.intel.com> (raw)
In-Reply-To: <YCJdVy+e5Sy2IcnS@kroah.com>
On Tue 9.Feb'21 at 11:00:55 +0100, Greg Kroah-Hartman wrote:
>On Sun, Feb 07, 2021 at 11:10:22AM +0800, shuo.a.liu@intel.com wrote:
>> From: Shuo Liu <shuo.a.liu@intel.com>
>>
>> ACRN is a Type 1 reference hypervisor stack, running directly on the bare-metal
>> hardware, and is suitable for a variety of IoT and embedded device solutions.
>>
>> ACRN implements a hybrid VMM architecture, using a privileged Service VM. The
>> Service VM manages the system resources (CPU, memory, etc.) and I/O devices of
>> User VMs. Multiple User VMs are supported, with each of them running Linux,
>> Android OS or Windows. Both Service VM and User VMs are guest VM.
>>
>> Below figure shows the architecture.
>>
>> Service VM User VM
>> +----------------------------+ | +------------------+
>> | +--------------+ | | | |
>> | |ACRN userspace| | | | |
>> | +--------------+ | | | |
>> |-----------------ioctl------| | | | ...
>> |kernel space +----------+ | | | |
>> | | HSM | | | | Drivers |
>> | +----------+ | | | |
>> +--------------------|-------+ | +------------------+
>> +---------------------hypercall----------------------------------------+
>> | ACRN Hypervisor |
>> +----------------------------------------------------------------------+
>> | Hardware |
>> +----------------------------------------------------------------------+
>>
>> There is only one Service VM which could run Linux as OS.
>>
>> In a typical case, the Service VM will be auto started when ACRN Hypervisor is
>> booted. Then the ACRN userspace (an application running in Service VM) could be
>> used to start/stop User VMs by communicating with ACRN Hypervisor Service
>> Module (HSM).
>>
>> ACRN Hypervisor Service Module (HSM) is a middle layer that allows the ACRN
>> userspace and Service VM OS kernel to communicate with ACRN Hypervisor
>> and manage different User VMs. This middle layer provides the following
>> functionalities,
>> - Issues hypercalls to the hypervisor to manage User VMs:
>> * VM/vCPU management
>> * Memory management
>> * Device passthrough
>> * Interrupts injection
>> - I/O requests handling from User VMs.
>> - Exports ioctl through HSM char device.
>> - Exports function calls for other kernel modules
>>
>> ACRN is focused on embedded system. So it doesn't support some features.
>> E.g.,
>> - ACRN doesn't support VM migration.
>> - ACRN doesn't support vCPU migration.
>>
>> This patch set adds the HSM to the Linux kernel.
>> I also added a simple example to launch a small guest (with several instructions
>> as payload) on ACRN with demonstration ioctl usage.
>>
>> The basic ARCN support was merged to upstream already.
>> https://lore.kernel.org/lkml/1559108037-18813-3-git-send-email-yakui.zhao@intel.com/
>
>Thanks for sticking with this, now merged to my tree.
Thanks Greg and all for reviewing this series.
A really good Spring Festival gift for ACRN. :)
Thanks
shuo
prev parent reply other threads:[~2021-02-09 10:28 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-02-07 3:10 [PATCH v9 00/18] HSM driver for ACRN hypervisor shuo.a.liu
2021-02-07 3:10 ` [PATCH v9 01/18] docs: acrn: Introduce ACRN shuo.a.liu
2021-02-08 19:48 ` Randy Dunlap
2021-02-09 1:24 ` Shuo A Liu
2021-02-07 3:10 ` [PATCH v9 02/18] x86/acrn: Introduce acrn_{setup, remove}_intr_handler() shuo.a.liu
2021-02-07 3:10 ` [PATCH v9 03/18] x86/acrn: Introduce acrn_cpuid_base() and hypervisor feature bits shuo.a.liu
2021-02-07 3:10 ` [PATCH v9 04/18] x86/acrn: Introduce hypercall interfaces shuo.a.liu
2021-02-07 3:10 ` [PATCH v9 05/18] virt: acrn: Introduce ACRN HSM basic driver shuo.a.liu
2021-02-07 3:10 ` [PATCH v9 06/18] virt: acrn: Introduce VM management interfaces shuo.a.liu
2021-02-07 3:10 ` [PATCH v9 07/18] virt: acrn: Introduce an ioctl to set vCPU registers state shuo.a.liu
2021-02-07 3:10 ` [PATCH v9 08/18] virt: acrn: Introduce EPT mapping management shuo.a.liu
2021-02-07 3:10 ` [PATCH v9 09/18] virt: acrn: Introduce I/O request management shuo.a.liu
2021-02-07 3:10 ` [PATCH v9 10/18] virt: acrn: Introduce PCI configuration space PIO accesses combiner shuo.a.liu
2021-02-07 3:10 ` [PATCH v9 11/18] virt: acrn: Introduce interfaces for PCI device passthrough shuo.a.liu
2021-02-07 3:10 ` [PATCH v9 12/18] virt: acrn: Introduce interrupt injection interfaces shuo.a.liu
2021-02-07 3:10 ` [PATCH v9 13/18] virt: acrn: Introduce interfaces to query C-states and P-states allowed by hypervisor shuo.a.liu
2021-02-07 3:10 ` [PATCH v9 14/18] virt: acrn: Introduce I/O ranges operation interfaces shuo.a.liu
2021-02-07 3:10 ` [PATCH v9 15/18] virt: acrn: Introduce ioeventfd shuo.a.liu
2021-02-07 3:10 ` [PATCH v9 16/18] virt: acrn: Introduce irqfd shuo.a.liu
2021-02-07 3:10 ` [PATCH v9 17/18] virt: acrn: Introduce an interface for Service VM to control vCPU shuo.a.liu
2021-03-03 17:37 ` Borislav Petkov
2021-03-04 1:36 ` Shuo A Liu
2021-03-04 10:50 ` Borislav Petkov
2021-02-07 3:10 ` [PATCH v9 18/18] sample/acrn: Introduce a sample of HSM ioctl interface usage shuo.a.liu
2021-02-09 10:00 ` [PATCH v9 00/18] HSM driver for ACRN hypervisor Greg Kroah-Hartman
2021-02-09 10:18 ` Shuo A Liu [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20210209101848.GD15601@shuo-intel.sh.intel.com \
--to=shuo.a.liu@intel.com \
--cc=bp@alien8.de \
--cc=gregkh@linuxfoundation.org \
--cc=hpa@zytor.com \
--cc=linux-kernel@vger.kernel.org \
--cc=mingo@redhat.com \
--cc=reinette.chatre@intel.com \
--cc=tglx@linutronix.de \
--cc=x86@kernel.org \
--cc=yu1.wang@intel.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox