From owner-freebsd-hackers@freebsd.org Tue Mar 17 15:41:09 2020 Return-Path: Delivered-To: freebsd-hackers@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 0460D269D66; Tue, 17 Mar 2020 15:41:09 +0000 (UTC) (envelope-from daniel.nicolescu10@gmail.com) Received: from mail-vs1-xe36.google.com (mail-vs1-xe36.google.com [IPv6:2607:f8b0:4864:20::e36]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) server-signature RSA-PSS (4096 bits) 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 48hcpD0C93z45Hf; Tue, 17 Mar 2020 15:41:07 +0000 (UTC) (envelope-from daniel.nicolescu10@gmail.com) Received: by mail-vs1-xe36.google.com with SMTP id t10so14194513vsp.1; Tue, 17 Mar 2020 08:41:07 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=3vDtOR5lpMHvIxTa8hRILn5gtY9Q8tCMlNUXVSHVxKg=; b=p3LgGn8kAzEn+O79pvynf7uqfrG/n3IiikkVw6JfpgijYuvLiaYBgpPg7TwWWwRsha I4Oi4+292ew6p2d59jvnn7hZhKcsfZ4J/x+WnY96ucB+8a15knHa9uz6zp9DUGT2GYgB 2Cjd89UYYLvHVKvyKG2QUHZ9+YR0vCk5jkBn+49AE10WM18rAuy5twYpPFu1/T0tWaTg /z4aoJRtKyGaAT9GUrYKzxNYpDqfzHh20tsP6V73LaD2h5rpXvEwKlVkIDjQ8eh5xJ6B Ql5Lc5fYcfAr3R8Dk/XyMFYy0tTbqupYZHwv7eeBs2QmgYXtCEv/pAGZRjt5jADHAOxL kCag== 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=3vDtOR5lpMHvIxTa8hRILn5gtY9Q8tCMlNUXVSHVxKg=; b=THbe12t3p6dh4O0NZ5VUYyzhinsVbRWjLgNXeTS96di3B2Y9oX0QDcrao8KI7L11xv A7bsZ+Ixbj0xEpJe78GvW+Fu4dWtwpE/kceVKXTn1LTZg8wmQELaSd7i6FMtaHc8LaDJ NNroW75DWrfCyk3/4v5AgT/gtjU+JBnnl0cQgRDGFISXRxRS69zO++obOlMsIYYtFUzJ 2qMcsVI84N1xLauCCF5a1wz1EVGFeOpMga3Wg9OuyWQMepClxko87eUtLikbMOJ+k++W 5xV5EkbssmHgeVTGQlNi7uB4ykQIeEbA4k6v6QEUM2dVUMyfXN9zHr7f+rD+8WYapBgo lkUg== X-Gm-Message-State: ANhLgQ2BcOS4sy8dwueRz3/xKhUqTyfZGGM6pUrLnvJjLkqWTbN9CVTv nIOZ7AP2tjgPMSAeTUXATtrSEClM+AxgT9X8o0k= X-Google-Smtp-Source: ADFU+vuP+T7cPgl/cyX11eZooU97msw3IgK7/CySiKwXQUiSD9A87Bq69dGrVPWzgH+tLQk3kUzy8TernyLEITHLV9Y= X-Received: by 2002:a67:2f83:: with SMTP id v125mr3751240vsv.100.1584459666913; Tue, 17 Mar 2020 08:41:06 -0700 (PDT) MIME-Version: 1.0 References: In-Reply-To: From: Daniel Nicolescu Date: Tue, 17 Mar 2020 17:40:55 +0200 Message-ID: Subject: Re: USB device passthrough implementation To: Wojciech Puchar Cc: freebsd-virtualization@freebsd.org, freebsd-hackers@freebsd.org, patrascu.naina14@gmail.com, Mihai Carabas X-Rspamd-Queue-Id: 48hcpD0C93z45Hf X-Spamd-Bar: - Authentication-Results: mx1.freebsd.org; dkim=pass header.d=gmail.com header.s=20161025 header.b=p3LgGn8k; dmarc=pass (policy=none) header.from=gmail.com; spf=pass (mx1.freebsd.org: domain of danielnicolescu10@gmail.com designates 2607:f8b0:4864:20::e36 as permitted sender) smtp.mailfrom=danielnicolescu10@gmail.com X-Spamd-Result: default: False [-1.50 / 15.00]; TO_DN_SOME(0.00)[]; R_SPF_ALLOW(-0.20)[+ip6:2607:f8b0:4000::/36:c]; FREEMAIL_FROM(0.00)[gmail.com]; RCPT_COUNT_FIVE(0.00)[5]; DKIM_TRACE(0.00)[gmail.com:+]; DMARC_POLICY_ALLOW(-0.50)[gmail.com,none]; FROM_EQ_ENVFROM(0.00)[]; IP_SCORE(0.00)[ip: (-9.59), ipnet: 2607:f8b0::/32(-1.85), asn: 15169(-1.65), country: US(-0.05)]; MIME_TRACE(0.00)[0:+,1:+,2:~]; FREEMAIL_ENVFROM(0.00)[gmail.com]; ASN(0.00)[asn:15169, ipnet:2607:f8b0::/32, country:US]; TAGGED_FROM(0.00)[]; DWL_DNSWL_NONE(0.00)[gmail.com.dwl.dnswl.org : 127.0.5.0]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-1.00)[-1.000,0]; R_DKIM_ALLOW(-0.20)[gmail.com:s=20161025]; FROM_HAS_DN(0.00)[]; NEURAL_HAM_LONG(-1.00)[-1.000,0]; TAGGED_RCPT(0.00)[]; MIME_GOOD(-0.10)[multipart/alternative,text/plain]; IP_SCORE_FREEMAIL(0.00)[]; TO_MATCH_ENVRCPT_SOME(0.00)[]; RCVD_IN_DNSWL_NONE(0.00)[6.3.e.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.0.4.6.8.4.0.b.8.f.7.0.6.2.list.dnswl.org : 127.0.5.0]; RCVD_COUNT_TWO(0.00)[2]; RCVD_TLS_ALL(0.00)[]; SUSPICIOUS_RECIPS(1.50)[] Content-Type: text/plain; charset="UTF-8" X-Content-Filtered-By: Mailman/MimeDel 2.1.29 X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 17 Mar 2020 15:41:09 -0000 Sure, when we will get there. Thank you On Tue, Mar 17, 2020 at 4:09 PM Wojciech Puchar wrote: > > We want to implement the USB pass through feature for bhyve so that users > > will be able to pass through individual USB devices like in QEMU. We are > > i want to be your beta tester. > > > trying to emulate the USB controller and pass to the virtual machine only > > one port. > > > > * We need to disconnect the USB device from host: we are currently not > very > > familiar with the kernel API to perform this > > in most cases you actually don't have to. > just use /dev/ugen/* devices > simply make it as a parameter for bhyve > > usbpassthrough=a/device > > where a is virtual USB device number (i don't think you want to emulate > more than one bus - one xhci is already done in bhyve), and device would > be like /dev/ugenX.Y > >