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Message-ID: <20230512080405.12043-2-yi-de.wu@mediatek.com>
Date:   Fri, 12 May 2023 16:03:59 +0800
From:   Yi-De Wu <yi-de.wu@...iatek.com>
To:     Yingshiuan Pan <yingshiuan.pan@...iatek.com>,
        Ze-Yu Wang <ze-yu.wang@...iatek.com>,
        Yi-De Wu <yi-de.wu@...iatek.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Jonathan Corbet <corbet@....net>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will@...nel.org>, Arnd Bergmann <arnd@...db.de>,
        Matthias Brugger <matthias.bgg@...il.com>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>
CC:     <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-doc@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-arch@...r.kernel.org>, <linux-mediatek@...ts.infradead.org>,
        Trilok Soni <quic_tsoni@...cinc.com>,
        David Bradil <dbrazdil@...gle.com>,
        Jade Shih <jades.shih@...iatek.com>,
        Miles Chen <miles.chen@...iatek.com>,
        Ivan Tseng <ivan.tseng@...iatek.com>,
        My Chuang <my.chuang@...iatek.com>,
        Shawn Hsiao <shawn.hsiao@...iatek.com>,
        PeiLun Suei <peilun.suei@...iatek.com>,
        Liju Chen <liju-clr.chen@...iatek.com>
Subject: [PATCH v3 1/7] docs: geniezone: Introduce GenieZone hypervisor

From: "Yingshiuan Pan" <yingshiuan.pan@...iatek.com>

GenieZone is MediaTek proprietary hypervisor solution, and it is running
in EL2 stand alone as a type-I hypervisor. It is a pure EL2
implementation which implies it does not rely any specific host VM, and
this behavior improves GenieZone's security as it limits its interface.

Signed-off-by: Yingshiuan Pan <yingshiuan.pan@...iatek.com>
Signed-off-by: Yi-De Wu <yi-de.wu@...iatek.com>
---
 Documentation/virt/geniezone/introduction.rst | 34 +++++++++++++++++++
 MAINTAINERS                                   |  6 ++++
 2 files changed, 40 insertions(+)
 create mode 100644 Documentation/virt/geniezone/introduction.rst

diff --git a/Documentation/virt/geniezone/introduction.rst b/Documentation/virt/geniezone/introduction.rst
new file mode 100644
index 000000000000..1fffd6cbb4db
--- /dev/null
+++ b/Documentation/virt/geniezone/introduction.rst
@@ -0,0 +1,34 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+======================
+GenieZone Introduction
+======================
+
+
+Overview
+========
+GenieZone is MediaTek proprietary hypervisor solution, and it is running in EL2
+stand alone as a type-I hypervisor. It is a pure EL2 implementation which
+implies it does not rely any specific host VM, and this behavior improves
+GenieZone's security as it limits its interface.
+
+To enable guest VMs running, a driver (gzvm) is provided for VMM (virtual
+machine monitor) to operate. Currently, the gzvm driver supports only crosvm.
+
+
+Supported Architecture
+======================
+GenieZone now only supports MediaTek arm64 SoC.
+
+
+Platform Virtualization
+=======================
+We leverages arm64's timer virtualization and gic virtualization for timer and
+interrupts controller.
+
+
+Device Virtualizaton
+====================
+We adopts VMM's virtio devices emulations by passing io trap to VMM, and virtio
+is a well-known and widely used virtual device implementation.
+
diff --git a/MAINTAINERS b/MAINTAINERS
index 7a91f14cad2e..523246ff3d15 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -8705,6 +8705,12 @@ F:	include/vdso/
 F:	kernel/time/vsyscall.c
 F:	lib/vdso/
 
+GENIEZONE HYPERVISOR DRIVER
+M:	Yingshiuan Pan <yingshiuan.pan@...iatek.com>
+M:	Ze-Yu Wang <ze-yu.wang@...iatek.com>
+M:	Yi-De Wu <yi-de.wu@...iatek.com>
+F:	Documentation/virt/geniezone/
+
 GENWQE (IBM Generic Workqueue Card)
 M:	Frank Haverkamp <haver@...ux.ibm.com>
 S:	Supported
-- 
2.18.0

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