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 D5BC7C77B75 for ; Fri, 12 May 2023 08:04:38 +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=nAUmtovh2BSgF+M7TxMbWY5EpQy5nM1PKExUhM4zzcI=; b=LPCvAgVudxK2XjoiuXpOgIHv/7 CHKH0GlILFcqppKRhCdnH1QtCu7mv9y5tyfoGtaD8xTVcjtPL8US6D5l2ha16T9ma1dIuAWZr0fSf R3eJmb1XEyQePQ8XWvdtswaelKrrheN0ebXuoGSQkYkYrNkyIRkW7wDjk+p0uh/Dkc3dbJMzKqqNG OjkbdOZHWLMWc+zMpGYvEaU3oUqDFoDAVm3gmBsAynVFfm5V+/m+kPlo9wZWPidn5MhSWno3aNqJ9 Qmv6LAlKloa8gX6HaERSqEnGdCaFft0VIGC26tMgy9o2faKu7q/r19OTq/XKelxD4aMbklKfLg9Cz AXMMM1/A==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1pxNlQ-00BH0j-0s; Fri, 12 May 2023 08:04:32 +0000 Received: from mailgw02.mediatek.com ([216.200.240.185]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1pxNlB-00BGrF-2u; Fri, 12 May 2023 08:04:20 +0000 X-UUID: 937a21c8f09b11ed83ed1395ce914268-20230512 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=nAUmtovh2BSgF+M7TxMbWY5EpQy5nM1PKExUhM4zzcI=; b=WGyb10Qxzps3F8ljlrsj47rkATsuMPV56TNIH0KxTACPv7+58i5GOjoLw37/OcfiOPrVE/Wo4zdd5hOclFX26x10ePeYzPHtwouSw14UDdUJYj7eUFHD7UB8p6u/cffDAb7nW3O78OhRCLirFUmiPYGdSyrCyXp3BJthHKoffXQ=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.24,REQID:f434bebe-30d9-444d-a93e-26bb27ff68d9,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:178d4d4,CLOUDID:09bda1c0-e32c-4c97-918d-fbb3fc224d4e,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: 937a21c8f09b11ed83ed1395ce914268-20230512 Received: from mtkmbs11n1.mediatek.inc [(172.21.101.185)] by mailgw02.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 408116070; Fri, 12 May 2023 01:04:10 -0700 Received: from mtkmbs13n1.mediatek.inc (172.21.101.194) by mtkmbs11n1.mediatek.inc (172.21.101.185) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.26; Fri, 12 May 2023 16:04:07 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkmbs13n1.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.1118.26 via Frontend Transport; Fri, 12 May 2023 16:04:07 +0800 From: Yi-De Wu To: Yingshiuan Pan , Ze-Yu Wang , Yi-De Wu , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Jonathan Corbet , Catalin Marinas , Will Deacon , Arnd Bergmann , Matthias Brugger , AngeloGioacchino Del Regno CC: , , , , , , Trilok Soni , David Bradil , Jade Shih , Miles Chen , Ivan Tseng , My Chuang , Shawn Hsiao , PeiLun Suei , Liju Chen Subject: [PATCH v3 1/7] docs: geniezone: Introduce GenieZone hypervisor Date: Fri, 12 May 2023 16:03:59 +0800 Message-ID: <20230512080405.12043-2-yi-de.wu@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20230512080405.12043-1-yi-de.wu@mediatek.com> References: <20230512080405.12043-1-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-20230512_010417_944872_D9F3B862 X-CRM114-Status: GOOD ( 14.42 ) 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 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 +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