From owner-freebsd-virtualization@freebsd.org Sun Feb 21 09:46:44 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 CDFF95518C6 for ; Sun, 21 Feb 2021 09:46:44 +0000 (UTC) (envelope-from alphachi@mediaspirit.org) Received: from mail-ej1-x635.google.com (mail-ej1-x635.google.com [IPv6:2a00:1450:4864:20::635]) (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 4Dk0nv4363z4Sp1 for ; Sun, 21 Feb 2021 09:46:42 +0000 (UTC) (envelope-from alphachi@mediaspirit.org) Received: by mail-ej1-x635.google.com with SMTP id gg8so12750437ejb.13 for ; Sun, 21 Feb 2021 01:46:42 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=mediaspirit-org.20150623.gappssmtp.com; s=20150623; h=mime-version:from:date:message-id:subject:to; bh=Iewf7AqtePMGHHpAnevawhdryk671ASNLtJABxZ7KAQ=; b=KJ9XDmXsYOUNu/KJ5NQwjr+OpC4fe96/0N/2shjsI0L2LBykwtQxxEWRGcL4poaUrk aU3zow3EOq8ucV/pjUX1QL7zC4yAFr3HtWCO0XNaPvGw4YJFiosKyPieAW9pWyk55iKX ljAG1w9y+Ah2g3pLht/GWD30oDsIq3YFfoDUEMIbRgURw4rpE+ZissrMwGK0r/Cd2H5X uhOsqLqHU9JZCFXn4vwC+ShIx95E5yoD48IvhVLaHkgybED2GRmRVEuu94CWNuAR0BoG Jk69ENHXCJrAy3gsCBgYbMPJfSzZ0DtC7NCPTlyUufTybVBDekcY6DdojZKdsuATWTtY SjUA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:from:date:message-id:subject:to; bh=Iewf7AqtePMGHHpAnevawhdryk671ASNLtJABxZ7KAQ=; b=pp8jgd8INSNQ3nVFy2sRv+Xj5gOsxKBpGat+YJPyBkKocffpGgAqCEdvOXP1K6jy2B Q2PQ6WwSiT3TOExr8sMWSPbSiHdKGctlI/NTvUcZqIG6Up0AeW6xdyrx4FT6e1Ed+NOz 32mvhBMegIa+bct70LTiDSvsKGRtrx9fBh63nf8M9Ddq9W0ARML8525DrC3BS8vuhla0 yZu3Lwj3idDr1k7NpoR+c8Xe/8SfPSN6svJ8PjuFypms++VjB2Yfe7CpVLOm0bIwriXS niUltDvp/WlSGQbXoHjaHdCkLPaNiQ4t/2SvjVML37kFw97c7QcWZd41iA4Zbxs9ZLoS QAMw== X-Gm-Message-State: AOAM532zZ3MnQXiolTjWgkr8cvZDdZI2T19HXJabq+cRzrSg2apI+wEC a7ZRNAqXAviDOnYoq31yKd0mp5fo8nkX+UcGRb3G8QpJW77oWw== X-Google-Smtp-Source: ABdhPJwtFMQeOETlclgLRFwkPGkGq34bpGW/ZQXdw54wlB2Mrg4cFf17CR/B03QbtcCBx3xQ5rx8eSSGgGzwmVZL2I0= X-Received: by 2002:a17:906:ca04:: with SMTP id jt4mr16657674ejb.548.1613900801256; Sun, 21 Feb 2021 01:46:41 -0800 (PST) MIME-Version: 1.0 From: alphachi Date: Sun, 21 Feb 2021 17:46:28 +0800 Message-ID: Subject: About nested virtualization for bhyve To: freebsd-virtualization@freebsd.org X-Rspamd-Queue-Id: 4Dk0nv4363z4Sp1 X-Spamd-Bar: --- Authentication-Results: mx1.freebsd.org; dkim=pass header.d=mediaspirit-org.20150623.gappssmtp.com header.s=20150623 header.b=KJ9XDmXs; dmarc=none; spf=none (mx1.freebsd.org: domain of alphachi@mediaspirit.org has no SPF policy when checking 2a00:1450:4864:20::635) 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_MATCH_ENVRCPT_ALL(0.00)[]; NEURAL_HAM_LONG(-1.00)[-1.000]; MIME_GOOD(-0.10)[multipart/alternative,text/plain]; TO_DN_NONE(0.00)[]; PREVIOUSLY_DELIVERED(0.00)[freebsd-virtualization@freebsd.org]; RCPT_COUNT_ONE(0.00)[1]; SPAMHAUS_ZRD(0.00)[2a00:1450:4864:20::635:from:127.0.2.255]; DMARC_NA(0.00)[mediaspirit.org]; DKIM_TRACE(0.00)[mediaspirit-org.20150623.gappssmtp.com:+]; NEURAL_HAM_SHORT(-1.00)[-1.000]; RCVD_IN_DNSWL_NONE(0.00)[2a00:1450:4864:20::635:from]; 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::635: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" 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 09:46:44 -0000 I know the scheme like this can be implemented: Layer 0 - KVM on Linux Host Layer 1 - FreeBSD guest Layer 2 - bhyve guest 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 https://wiki.freebsd.org/bhyve just refers how to enable nested virtualization on non-bhyve hosts like I knew. What about on a bhyve host? For example, any configruation in /boot/loader.conf or /etc/sysctl.conf to enable it? Thanks!