From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 30F36C77B61 for ; Fri, 28 Apr 2023 10:37:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Type:MIME-Version: References:In-Reply-To:Message-ID:Date:Subject:CC:To:From:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=adkXrrnEZGPRbZSglcGKLdD759QITaY+HgrVCM5K9Y8=; b=bTnI5aCyHsx5DXDYgp1ojawwtj G/BeW2gwqRG/3fEE3Bgl4mVdu3fnuA07B95nu87vdui4Evwm6XQJvfPsPse79jAZ72pFr62wLGW8M jIO4ycn2oF8ZKwMcdvNX0QzD+rlxw+IoMUhWx+w3zx8NuFlYEJ3ejGts2t3UY79se2Uc6+m808Nak DWUmGHdP5FKz7x/QybQSHaRMm/nFbEOh0tki5YPNGwuUa99m65PfWosGQkY7ds+mFVI2loEUyPoMG FkI0+PV0iBP1rKvNdy+6SD+wARcxBqBb8/5U16jkEpLxEmD5MFBBJleITLrgv9kp4/6WXNjVe0aaf b3+OMoVQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1psLTY-008okR-1j; Fri, 28 Apr 2023 10:37:16 +0000 Received: from mailgw01.mediatek.com ([216.200.240.184]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1psLTR-008odt-1L; Fri, 28 Apr 2023 10:37:12 +0000 X-UUID: 9b167058e5b011ed912e1518a6540028-20230428 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:CC:To:From; bh=adkXrrnEZGPRbZSglcGKLdD759QITaY+HgrVCM5K9Y8=; b=HRhYoyYlFHM9xvD/rKT/KsTnGG9L1GrgxexeeCviVNkjD9rngkDausF4/Sz9+vEX4lUtSI64pAoDVszB5ajZz/5rlx6+R7JaIUoDsYiw69Y+kMFloc5m86B2FElGrbsISEg4z3wHfs7+ZwfquxEId7XYllAPvYToqo8W6sLrmRk=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.22,REQID:5b16ed2b-d46d-4a28-8cbb-420dca0cd7f1,IP:0,U RL:0,TC:0,Content:100,EDM:0,RT:0,SF:0,FILE:0,BULK:0,RULE:Release_Ham,ACTIO N:release,TS:100 X-CID-META: VersionHash:120426c,CLOUDID:f532386a-2f20-4998-991c-3b78627e4938,B ulkID:nil,BulkQuantity:0,Recheck:0,SF:801|102,TC:nil,Content:3,EDM:-3,IP:n il,URL:11|1,File:nil,Bulk:nil,QS:nil,BEC:nil,COL:0,OSI:0,OSA:0,AV:0 X-CID-BVR: 0 X-CID-BAS: 0,_,0,_ X-UUID: 9b167058e5b011ed912e1518a6540028-20230428 Received: from mtkmbs11n1.mediatek.inc [(172.21.101.185)] by mailgw01.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 1502601098; Fri, 28 Apr 2023 03:36:59 -0700 Received: from mtkmbs13n1.mediatek.inc (172.21.101.193) by mtkmbs11n2.mediatek.inc (172.21.101.187) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.26; Fri, 28 Apr 2023 18:36:25 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkmbs13n1.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.1118.25 via Frontend Transport; Fri, 28 Apr 2023 18:36:25 +0800 From: Yi-De Wu To: Yingshiuan Pan , Ze-Yu Wang , Yi-De Wu , Rob Herring , Krzysztof Kozlowski , Jonathan Corbet , Catalin Marinas , Will Deacon , Arnd Bergmann , Matthias Brugger , AngeloGioacchino Del Regno CC: , , , , , , David Bradil , Trilok Soni , Jade Shih , Miles Chen , Ivan Tseng , My Chuang , Shawn Hsiao , PeiLun Suei , Liju Chen Subject: [PATCH v2 1/7] docs: geniezone: Introduce GenieZone hypervisor Date: Fri, 28 Apr 2023 18:36:16 +0800 Message-ID: <20230428103622.18291-2-yi-de.wu@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20230428103622.18291-1-yi-de.wu@mediatek.com> References: <20230428103622.18291-1-yi-de.wu@mediatek.com> MIME-Version: 1.0 Content-Type: text/plain X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230428_033709_453496_7D182C06 X-CRM114-Status: GOOD ( 13.76 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org From: "Yingshiuan Pan" 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 Signed-off-by: Yi-De Wu --- 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 4b8971cba764..db8915114b86 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -8694,6 +8694,12 @@ F: include/vdso/ F: kernel/time/vsyscall.c F: lib/vdso/ +GENIEZONE HYPERVISOR DRIVER +M: Yingshiuan Pan +M: Ze-Yu Wang +M: Yi-De Wu +F: Documentation/virt/geniezone/ + GENWQE (IBM Generic Workqueue Card) M: Frank Haverkamp S: Supported -- 2.18.0