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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 92833C25B0E for ; Fri, 12 Aug 2022 08:25:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237337AbiHLIZY (ORCPT ); Fri, 12 Aug 2022 04:25:24 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36186 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230033AbiHLIZY (ORCPT ); Fri, 12 Aug 2022 04:25:24 -0400 Received: from mail-pj1-x1035.google.com (mail-pj1-x1035.google.com [IPv6:2607:f8b0:4864:20::1035]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E0A1AFD1E; Fri, 12 Aug 2022 01:25:22 -0700 (PDT) Received: by mail-pj1-x1035.google.com with SMTP id h21-20020a17090aa89500b001f31a61b91dso7696167pjq.4; Fri, 12 Aug 2022 01:25:22 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:from:to:cc; bh=K5e31EfZ0bAJpIVl6ZgewRG0lk3GwGASk2Ee4EmX+pk=; b=PYK73lqvR1AkLT10nQIUykyVaiWlBLBn7bpLtxJHDzuKauvirrTaO1ZFyKOGLVI43f IXy1D5JFE99EJPTxugjnEY1ytdV9Fd9Fhorm5zoWgwk8pDjUC98q02V4EeI75i7+lY3Z 0zi9IOQmUXRaQYiYOIAeszoHDARzi2yaMaPxrzpiEdtU38x6v0TU13wA1x5N1vb87Bm5 JrO50MfBgeD+tz8hqYbCQ+sev7siy4zm1d6Ox4X2b9MKN7PelON0ezKAIiYUF98wUiMp bCjYeLwDIifZFFnuqsyr+rAj+hVBCdYJJpvXiAyPWDuVp+MotiIthMsGHM3QJQmoS0mM Qt/w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-message-state:from:to:cc; bh=K5e31EfZ0bAJpIVl6ZgewRG0lk3GwGASk2Ee4EmX+pk=; b=EnrYiO/EANJFirNC2YEr1E4CgGCGKuvCvYjKKaI5TtQLiCa+UdPxAz08Rwmux69ml+ ED3y9SGZJBzJsL8CaPfyM+6ceyKuKBe50YM3a5xUqVwRZ7jIpOK39nBWGmvCzNQzFK7z ouVTZK1c6mrBgsFXSy1Z3mmTqXI247VbacK7fa2WmKFsOyMLc4y1rzJVjzqFN7NoHAuk zipTG/7JYvq86aCjdHIZXfO4Sz75odWuulKra3nE5LLgqOHOvTvW6tTVG3HF9tt8z2o7 L+eLyQIipHpYnKCw5mnMo1HZKXcew36DJ93mfXU/o/2FnIhkFYDPQwS9v4gSzqDQ/6gj YdOQ== X-Gm-Message-State: ACgBeo1qD9YGqE8vtzbSVEGdbQ0aV59nop1LMCrCvJN/GOSLuKhiLO0/ bhIA7+/U7fo1RmANBrDCro4OYqTMENvqBw== X-Google-Smtp-Source: AA6agR6efLj2VyPg6cDCWFw49gG9JTd8iUbSs1/i0QYJYchWchpdEP8EXSW0zcOu/oif7ygrLKYR3Q== X-Received: by 2002:a17:902:ec8f:b0:16e:d8d8:c2ef with SMTP id x15-20020a170902ec8f00b0016ed8d8c2efmr3147211plg.62.1660292722259; Fri, 12 Aug 2022 01:25:22 -0700 (PDT) Received: from debian.me (subs09b-223-255-225-237.three.co.id. [223.255.225.237]) by smtp.gmail.com with ESMTPSA id l6-20020a170903244600b0016db441edd7sm1098566pls.40.2022.08.12.01.25.21 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 12 Aug 2022 01:25:21 -0700 (PDT) Received: by debian.me (Postfix, from userid 1000) id AB966103BBF; Fri, 12 Aug 2022 15:25:17 +0700 (WIB) Date: Fri, 12 Aug 2022 15:25:17 +0700 From: Bagas Sanjaya To: Elliot Berman Cc: Bjorn Andersson , linux-doc@vger.kernel.org, Jonathan Corbet , Murali Nalajala , Trilok Soni , Srivatsa Vaddagiri , Carl van Schaik , Andy Gross , Dmitry Baryshkov , linux-arm-kernel@lists.infradead.org, Mark Rutland , Lorenzo Pieralisi , Sudeep Holla , Marc Zyngier , Rob Herring , Krzysztof Kozlowski , Will Deacon , Catalin Marinas , devicetree@vger.kernel.org, linux-arm-msm@vger.kernel.org Subject: Re: [PATCH v3 02/12] docs: gunyah: Introduce Gunyah Hypervisor Message-ID: References: <20220811214107.1074343-1-quic_eberman@quicinc.com> <20220811214107.1074343-3-quic_eberman@quicinc.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="J0DeUdYoLvLWrWZu" Content-Disposition: inline In-Reply-To: <20220811214107.1074343-3-quic_eberman@quicinc.com> Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org --J0DeUdYoLvLWrWZu Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Thu, Aug 11, 2022 at 02:40:57PM -0700, Elliot Berman wrote: > +Gunyah provides these following features. > + > +- Scheduling: > + A scheduler for virtual CPUs (vCPUs) on physical CPUs and enables time= -sharing > + of the CPUs. Gunyah supports two models of scheduling: > + 1. "Behind the back" scheduling in which Gunyah hypervisor schedules= vCPUS on its own > + 2. "Proxy" scheduling in which a delegated VM can donate part of one= of its vCPU slice > + to another VM's vCPU via a hypercall. > +- Memory Management: > + APIs handling memory, abstracted as objects, limiting direct use of ph= ysical > + addresses. Memory ownership and usage tracking of all memory under its= control. > + Memory partitioning between VMs is a fundamental security feature. > +- Interrupt Virtualization: > + Uses CPU hardware interrupt virtualization capabilities. Interrupts ar= e handled > + in the hypervisor and routed to the assigned VM. > +- Inter-VM Communication: > + There are several different mechanisms provided for communicating betw= een VMs. > +- Virtual platform: > + Architectural devices such as interrupt controllers and CPU timers are= directly provided > + by the hypervisor as well as core virtual platform devices and system = APIs such as ARM PSCI. > +- Device Virtualization: > + Para-virtualization of devices is supported using inter-VM communicati= on. htmldocs build produces a new warning: Documentation/virt/gunyah/index.rst:25: WARNING: Unexpected indentation. I have applied the fixup for lists above: ---- >8 ---- diff --git a/Documentation/virt/gunyah/index.rst b/Documentation/virt/gunya= h/index.rst index 780ff958a83b8c..c55e02f17ca318 100644 --- a/Documentation/virt/gunyah/index.rst +++ b/Documentation/virt/gunyah/index.rst @@ -20,24 +20,36 @@ https://github.com/quic/gunyah-hypervisor. Gunyah provides these following features. =20 - Scheduling: + A scheduler for virtual CPUs (vCPUs) on physical CPUs and enables time-s= haring of the CPUs. Gunyah supports two models of scheduling: + 1. "Behind the back" scheduling in which Gunyah hypervisor schedules v= CPUS on its own 2. "Proxy" scheduling in which a delegated VM can donate part of one o= f its vCPU slice to another VM's vCPU via a hypercall. + - Memory Management: + APIs handling memory, abstracted as objects, limiting direct use of phys= ical addresses. Memory ownership and usage tracking of all memory under its c= ontrol. Memory partitioning between VMs is a fundamental security feature. + - Interrupt Virtualization: + Uses CPU hardware interrupt virtualization capabilities. Interrupts are = handled in the hypervisor and routed to the assigned VM. + - Inter-VM Communication: + There are several different mechanisms provided for communicating betwee= n VMs. + - Virtual platform: + Architectural devices such as interrupt controllers and CPU timers are d= irectly provided by the hypervisor as well as core virtual platform devices and system AP= Is such as ARM PSCI. + - Device Virtualization: + Para-virtualization of devices is supported using inter-VM communication. =20 Architectures supported Thanks. --=20 An old man doll... just what I always wanted! - Clara --J0DeUdYoLvLWrWZu Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iHUEABYIAB0WIQSSYQ6Cy7oyFNCHrUH2uYlJVVFOowUCYvYOZgAKCRD2uYlJVVFO o9M1AP9qGMXeysAQQdpRja+bHC5MnwCoQfI19sffZXmLAIeTDgEArdMnYX6idzkJ Z5H5X80sKhQ98VuWt7B7HXRY3JM4YgQ= =AycK -----END PGP SIGNATURE----- --J0DeUdYoLvLWrWZu-- 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 844ABC00140 for ; Fri, 12 Aug 2022 08:26:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:Content-Type: List-Subscribe:List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id: In-Reply-To:MIME-Version:References:Message-ID:Subject:Cc:To:From:Date: 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=IuS9ENWYyYyg+2SiCi20siKNnTzWMVUnP8K6N8k16OQ=; b=Th72PgYPdwPS6N5nQbZ/jORp0Z 9MjAdjNmVVXEdq5zTdJyWXR4VM0itAUlg9Ivdt++4W/M7Er45zYEnuu42/l1odgp7LaguScEOLkqJ e8tLhkLdK81Gz9hNMvUOyc8E9M7kWOU7KO6XEHr1TvOEHffoUsE95dlEKLM1dU4sGxHVphS6cqoty 6pi6vYl5qYWNO9uGWZmeZzQsB16dhJ08+FpebjMzaHktc9VUB9kAXHgnqxNgyV32NhXHbb1Vrqv7u hmH7LNf5UWA8QMavIq10tYNLSQ+CjEtdphyp4u7BiWE9mJVhV9S4FKCQJgfmkMATWV6TzPAZgXRyE y3Ch3KMA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1oMPyx-0032M5-Bh; Fri, 12 Aug 2022 08:25:27 +0000 Received: from mail-pl1-x62f.google.com ([2607:f8b0:4864:20::62f]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1oMPyu-0032GL-K9 for linux-arm-kernel@lists.infradead.org; Fri, 12 Aug 2022 08:25:26 +0000 Received: by mail-pl1-x62f.google.com with SMTP id 17so208207pli.0 for ; Fri, 12 Aug 2022 01:25:22 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:from:to:cc; bh=K5e31EfZ0bAJpIVl6ZgewRG0lk3GwGASk2Ee4EmX+pk=; b=PYK73lqvR1AkLT10nQIUykyVaiWlBLBn7bpLtxJHDzuKauvirrTaO1ZFyKOGLVI43f IXy1D5JFE99EJPTxugjnEY1ytdV9Fd9Fhorm5zoWgwk8pDjUC98q02V4EeI75i7+lY3Z 0zi9IOQmUXRaQYiYOIAeszoHDARzi2yaMaPxrzpiEdtU38x6v0TU13wA1x5N1vb87Bm5 JrO50MfBgeD+tz8hqYbCQ+sev7siy4zm1d6Ox4X2b9MKN7PelON0ezKAIiYUF98wUiMp bCjYeLwDIifZFFnuqsyr+rAj+hVBCdYJJpvXiAyPWDuVp+MotiIthMsGHM3QJQmoS0mM Qt/w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-message-state:from:to:cc; bh=K5e31EfZ0bAJpIVl6ZgewRG0lk3GwGASk2Ee4EmX+pk=; b=2lmqnEu6AuFVSomZgnJeyt/huYSNhuQAszdINoDSSEDVMwsforLRUmYHlyJzme0Nnk +emkkhr09am0JVtjqb6GrgzZbMSDytImn/CH6MUS6+QamQR2VDO8GcI1a84NQIwSVWiB isAFdxtXib/Z0m+FdZpGM5CPdst3ax3JTzmE4O/s+GBWHCLCvNitacG+zJs2KISFZOuO uc9gDGdmgTSeJDmi1ccL+cEA8Z4fnnry3lD9u6YZODL69DS+Nd6htQf99Qo7qQ2aRzBN 58v3vInDUi4IgACbhy62hDvgs+5NvnzYlkW44zF0O/87gh+1KqwsRBjZPmtrjo37wsqk Jodw== X-Gm-Message-State: ACgBeo1PA0+z2xPKfHvO0ZN8Tq1P56GVnPp65RX/hwaUCouvxPOATmqT FiXyaVLjQCVZRSiP8ztenig= X-Google-Smtp-Source: AA6agR6efLj2VyPg6cDCWFw49gG9JTd8iUbSs1/i0QYJYchWchpdEP8EXSW0zcOu/oif7ygrLKYR3Q== X-Received: by 2002:a17:902:ec8f:b0:16e:d8d8:c2ef with SMTP id x15-20020a170902ec8f00b0016ed8d8c2efmr3147211plg.62.1660292722259; Fri, 12 Aug 2022 01:25:22 -0700 (PDT) Received: from debian.me (subs09b-223-255-225-237.three.co.id. [223.255.225.237]) by smtp.gmail.com with ESMTPSA id l6-20020a170903244600b0016db441edd7sm1098566pls.40.2022.08.12.01.25.21 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 12 Aug 2022 01:25:21 -0700 (PDT) Received: by debian.me (Postfix, from userid 1000) id AB966103BBF; Fri, 12 Aug 2022 15:25:17 +0700 (WIB) Date: Fri, 12 Aug 2022 15:25:17 +0700 From: Bagas Sanjaya To: Elliot Berman Cc: Bjorn Andersson , linux-doc@vger.kernel.org, Jonathan Corbet , Murali Nalajala , Trilok Soni , Srivatsa Vaddagiri , Carl van Schaik , Andy Gross , Dmitry Baryshkov , linux-arm-kernel@lists.infradead.org, Mark Rutland , Lorenzo Pieralisi , Sudeep Holla , Marc Zyngier , Rob Herring , Krzysztof Kozlowski , Will Deacon , Catalin Marinas , devicetree@vger.kernel.org, linux-arm-msm@vger.kernel.org Subject: Re: [PATCH v3 02/12] docs: gunyah: Introduce Gunyah Hypervisor Message-ID: References: <20220811214107.1074343-1-quic_eberman@quicinc.com> <20220811214107.1074343-3-quic_eberman@quicinc.com> MIME-Version: 1.0 In-Reply-To: <20220811214107.1074343-3-quic_eberman@quicinc.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220812_012524_705645_67CBB489 X-CRM114-Status: GOOD ( 17.67 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============6145883905299777835==" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org --===============6145883905299777835== Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="J0DeUdYoLvLWrWZu" Content-Disposition: inline --J0DeUdYoLvLWrWZu Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Thu, Aug 11, 2022 at 02:40:57PM -0700, Elliot Berman wrote: > +Gunyah provides these following features. > + > +- Scheduling: > + A scheduler for virtual CPUs (vCPUs) on physical CPUs and enables time= -sharing > + of the CPUs. Gunyah supports two models of scheduling: > + 1. "Behind the back" scheduling in which Gunyah hypervisor schedules= vCPUS on its own > + 2. "Proxy" scheduling in which a delegated VM can donate part of one= of its vCPU slice > + to another VM's vCPU via a hypercall. > +- Memory Management: > + APIs handling memory, abstracted as objects, limiting direct use of ph= ysical > + addresses. Memory ownership and usage tracking of all memory under its= control. > + Memory partitioning between VMs is a fundamental security feature. > +- Interrupt Virtualization: > + Uses CPU hardware interrupt virtualization capabilities. Interrupts ar= e handled > + in the hypervisor and routed to the assigned VM. > +- Inter-VM Communication: > + There are several different mechanisms provided for communicating betw= een VMs. > +- Virtual platform: > + Architectural devices such as interrupt controllers and CPU timers are= directly provided > + by the hypervisor as well as core virtual platform devices and system = APIs such as ARM PSCI. > +- Device Virtualization: > + Para-virtualization of devices is supported using inter-VM communicati= on. htmldocs build produces a new warning: Documentation/virt/gunyah/index.rst:25: WARNING: Unexpected indentation. I have applied the fixup for lists above: ---- >8 ---- diff --git a/Documentation/virt/gunyah/index.rst b/Documentation/virt/gunya= h/index.rst index 780ff958a83b8c..c55e02f17ca318 100644 --- a/Documentation/virt/gunyah/index.rst +++ b/Documentation/virt/gunyah/index.rst @@ -20,24 +20,36 @@ https://github.com/quic/gunyah-hypervisor. Gunyah provides these following features. =20 - Scheduling: + A scheduler for virtual CPUs (vCPUs) on physical CPUs and enables time-s= haring of the CPUs. Gunyah supports two models of scheduling: + 1. "Behind the back" scheduling in which Gunyah hypervisor schedules v= CPUS on its own 2. "Proxy" scheduling in which a delegated VM can donate part of one o= f its vCPU slice to another VM's vCPU via a hypercall. + - Memory Management: + APIs handling memory, abstracted as objects, limiting direct use of phys= ical addresses. Memory ownership and usage tracking of all memory under its c= ontrol. Memory partitioning between VMs is a fundamental security feature. + - Interrupt Virtualization: + Uses CPU hardware interrupt virtualization capabilities. Interrupts are = handled in the hypervisor and routed to the assigned VM. + - Inter-VM Communication: + There are several different mechanisms provided for communicating betwee= n VMs. + - Virtual platform: + Architectural devices such as interrupt controllers and CPU timers are d= irectly provided by the hypervisor as well as core virtual platform devices and system AP= Is such as ARM PSCI. + - Device Virtualization: + Para-virtualization of devices is supported using inter-VM communication. =20 Architectures supported Thanks. --=20 An old man doll... just what I always wanted! - Clara --J0DeUdYoLvLWrWZu Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iHUEABYIAB0WIQSSYQ6Cy7oyFNCHrUH2uYlJVVFOowUCYvYOZgAKCRD2uYlJVVFO o9M1AP9qGMXeysAQQdpRja+bHC5MnwCoQfI19sffZXmLAIeTDgEArdMnYX6idzkJ Z5H5X80sKhQ98VuWt7B7HXRY3JM4YgQ= =AycK -----END PGP SIGNATURE----- --J0DeUdYoLvLWrWZu-- --===============6145883905299777835== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel --===============6145883905299777835==--