linux-kernel - Re: [PATCH v12 03/24] dt-bindings: hypervisor: Add MediaTek GenieZone hypervisor

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Message-Id: <20240801103647.2480-1-hdanton@sina.com>
Date: Thu,  1 Aug 2024 18:36:47 +0800
From: Hillf Danton <hdanton@...a.com>
To: Liju-clr Chen <liju-clr.chen@...iatek.com>
Cc: Will Deacon <will@...nel.org>,
	Yingshiuan Pan <Yingshiuan.Pan@...iatek.com>,
	linux-kernel@...r.kernel.org,
	Ze-yu Wang <Ze-yu.Wang@...iatek.com>
Subject: Re: [PATCH v12 03/24] dt-bindings: hypervisor: Add MediaTek GenieZone hypervisor

On Tue, 30 Jul 2024 16:24:15 +0800 Liju-clr Chen <liju-clr.chen@...iatek.com>
> +description:
> +  GenieZone is a proprietary type-II hypervisor firmware developed by MediaTek,

Given type-I [1], confused by type-II. Which one is correct?

> +  providing an isolated execution environment for mTEE (MediaTek Trusted
> +  Execution Environment) and AVF (Android Virtualization Framework) virtual
> +  machines. This binding facilitates the integration of GenieZone into the
> +  Android Virtualization Framework (AVF) with Crosvm as the VMM. The driver
> +  exposes hypervisor control interfaces to the VMM for managing virtual
> +  machine lifecycles and assisting virtual device emulation.

[1] https://lore.kernel.org/lkml/20240730082436.9151-3-liju-clr.chen@mediatek.com/
+++ b/Documentation/virt/geniezone/introduction.rst
@@ -0,0 +1,87 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+======================
+GenieZone Introduction
+======================
+
+Overview
+========
+GenieZone hypervisor (gzvm) is a type-1 hypervisor that supports various virtual
+machine types and provides security features such as TEE-like scenarios and
+secure boot.