From owner-freebsd-virtualization@freebsd.org Sun Feb 21 10:50:16 2021 Return-Path: Delivered-To: freebsd-virtualization@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 404B8552C6C for ; Sun, 21 Feb 2021 10:50:16 +0000 (UTC) (envelope-from alphachi@mediaspirit.org) Received: from mail-ej1-x631.google.com (mail-ej1-x631.google.com [IPv6:2a00:1450:4864:20::631]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (2048 bits) client-digest SHA256) (Client CN "smtp.gmail.com", Issuer "GTS CA 1O1" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4Dk2CC0bmFz4W9C for ; Sun, 21 Feb 2021 10:50:14 +0000 (UTC) (envelope-from alphachi@mediaspirit.org) Received: by mail-ej1-x631.google.com with SMTP id gg8so12906805ejb.13 for ; Sun, 21 Feb 2021 02:50:14 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=mediaspirit-org.20150623.gappssmtp.com; s=20150623; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=zWkubLxqU7D0spFsMWyTQRS4w7RD9CC0FZaUcTQ+rig=; b=JqIZf4wQHjAr4eU4WPFwNau+GyC7ZjQA5EKVj4z9VyVuTDnZhNbY1XFfBzEXgp3TZi u9Z+02Yo5hZ3nApPfX82LZnCHvH2rEWsZZO7A0rgjgccniV0tvIPTrLRnaXRaL5qKk9o Vxd2Mp9bmRYo8CwXSgckHGeWub0kJ11Vt1MdPr588UwCEnFbRsVep+xvEDMWy3FP7pFH WHuupHR8Qqu4S5NrpXYEuwy/i/f5xUGZn678k7Dq1Hh2uWkUX6oWH2eVBSBGJFC/UBvz ihEGKqk0nQwjO3D2CbKmP8YffxVPpHdr1FE/amLqI+v+KI2IBJeTaXXdbstSex0A+RNd X/JA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=zWkubLxqU7D0spFsMWyTQRS4w7RD9CC0FZaUcTQ+rig=; b=MsCjB+ENKO9O+JyPE/iXT46el4AI1d8U2C8xvyC9+DY02zsWNHOOPSrMlZTquC8zzU 7SxMb5NPg6Lz0kPclQ9Vt6aXgLjO0BicVBy1eiSMcTILR9dxxowGFBv4Ar4u5DiPuADW RScP6fOL2oo8D2ggYMebn0wvrnrKUGzMdCqgH0T7iat8o9fd1a+Ct3whoo1gjBBRle4p AYLSR6a2eCy2uUSUdXoRYAe7imYGwfIuaj+I8yY7jZiSuVw5KNan+HsVbFsyR0cT2dSB g3nMY12pIsG0l3DqZ652oq5JnNmfojKEO7NcMypP7y56MQWXMJuFK3TcdcgBrS1uJJxk 0Z1g== X-Gm-Message-State: AOAM530f04PR/PtvCdotYc4neuzpEuDcMcKZr7U7S1MpuNQfGUDzL6eM M75a03PaWl06M1E5/OhAh/dJ6PY0hC5QirC7OfADfQ== X-Google-Smtp-Source: ABdhPJzrF2j/hTk77XAFGdMfu+N5aZCIpIvwrPWlxbFK7JfiyaPQkuXtppbzESSPfEXcox/289i71ZXoO2FUEMmd6C4= X-Received: by 2002:a17:906:3fc3:: with SMTP id k3mr6004344ejj.522.1613904613356; Sun, 21 Feb 2021 02:50:13 -0800 (PST) MIME-Version: 1.0 References: <5db40d16-67c7-757c-8afb-b2a29c3be003@freebsd.org> In-Reply-To: <5db40d16-67c7-757c-8afb-b2a29c3be003@freebsd.org> From: alphachi Date: Sun, 21 Feb 2021 18:50:00 +0800 Message-ID: Subject: Re: About nested virtualization for bhyve To: Peter Grehan Cc: freebsd-virtualization@freebsd.org X-Rspamd-Queue-Id: 4Dk2CC0bmFz4W9C X-Spamd-Bar: --- Authentication-Results: mx1.freebsd.org; dkim=pass header.d=mediaspirit-org.20150623.gappssmtp.com header.s=20150623 header.b=JqIZf4wQ; dmarc=none; spf=none (mx1.freebsd.org: domain of alphachi@mediaspirit.org has no SPF policy when checking 2a00:1450:4864:20::631) smtp.mailfrom=alphachi@mediaspirit.org X-Spamd-Result: default: False [-3.30 / 15.00]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; R_DKIM_ALLOW(-0.20)[mediaspirit-org.20150623.gappssmtp.com:s=20150623]; FROM_HAS_DN(0.00)[]; TO_DN_SOME(0.00)[]; NEURAL_HAM_LONG(-1.00)[-1.000]; MIME_GOOD(-0.10)[multipart/alternative,text/plain]; PREVIOUSLY_DELIVERED(0.00)[freebsd-virtualization@freebsd.org]; DMARC_NA(0.00)[mediaspirit.org]; SPAMHAUS_ZRD(0.00)[2a00:1450:4864:20::631:from:127.0.2.255]; TO_MATCH_ENVRCPT_SOME(0.00)[]; DKIM_TRACE(0.00)[mediaspirit-org.20150623.gappssmtp.com:+]; RCPT_COUNT_TWO(0.00)[2]; RCVD_IN_DNSWL_NONE(0.00)[2a00:1450:4864:20::631:from]; NEURAL_HAM_SHORT(-1.00)[-0.999]; R_SPF_NA(0.00)[no SPF record]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+,1:+,2:~]; RBL_DBL_DONT_QUERY_IPS(0.00)[2a00:1450:4864:20::631:from]; ASN(0.00)[asn:15169, ipnet:2a00:1450::/32, country:US]; RCVD_TLS_ALL(0.00)[]; MAILMAN_DEST(0.00)[freebsd-virtualization]; RCVD_COUNT_TWO(0.00)[2] Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Content-Filtered-By: Mailman/MimeDel 2.1.34 X-BeenThere: freebsd-virtualization@freebsd.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: "Discussion of various virtualization techniques FreeBSD supports." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 21 Feb 2021 10:50:16 -0000 Thanks for your confirmation, Peter. Any plan for this on branch 13.x? Peter Grehan =E4=BA=8E 2021=E5=B9=B42=E6=9C=8821=E6=97= =A5=E5=91=A8=E6=97=A5 18:12=E5=86=99=E9=81=93=EF=BC=9A > Hi, > > > Does bhyve support the following schemes? > > > > Scheme A: > > Layer 0 - bhyve on FreeBSD Host > > Layer 1 - FreeBSD guest > > Layer 2 - bhyve guest > > > > Scheme B: > > Layer 0 - bhyve on FreeBSD Host > > Layer 1 - Windows guest > > Layer 2 - Hyper-V guest > ... > > What about on a bhyve host? For example, any configruation in > > /boot/loader.conf or /etc/sysctl.conf to enable it? > > Those configurations aren't yet supported: bhyve will have to emulate > VT-x/SVM functionality. > > later, > > Peter. >