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 smtp2.osuosl.org (smtp2.osuosl.org [140.211.166.133]) (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 73764C433F5 for ; Sat, 11 Dec 2021 13:05:01 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp2.osuosl.org (Postfix) with ESMTP id 08D45400C6; Sat, 11 Dec 2021 13:05:01 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from smtp2.osuosl.org ([127.0.0.1]) by localhost (smtp2.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id NhOIrGhbPyqx; Sat, 11 Dec 2021 13:04:59 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [IPv6:2605:bc80:3010:104::8cd3:938]) by smtp2.osuosl.org (Postfix) with ESMTPS id 5DB7A40017; Sat, 11 Dec 2021 13:04:59 +0000 (UTC) Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id 254ABC0012; Sat, 11 Dec 2021 13:04:59 +0000 (UTC) Received: from smtp3.osuosl.org (smtp3.osuosl.org [IPv6:2605:bc80:3010::136]) by lists.linuxfoundation.org (Postfix) with ESMTP id 81827C0012 for ; Sat, 11 Dec 2021 13:04:57 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp3.osuosl.org (Postfix) with ESMTP id 5FF9861CA0 for ; Sat, 11 Dec 2021 13:04:57 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Authentication-Results: smtp3.osuosl.org (amavisd-new); dkim=pass (2048-bit key) header.d=linutronix.de header.b="w841xfDq"; dkim=neutral reason="invalid (unsupported algorithm ed25519-sha256)" header.d=linutronix.de header.b="F0rZXep5" Received: from smtp3.osuosl.org ([127.0.0.1]) by localhost (smtp3.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id qcIizRSFL_Im for ; Sat, 11 Dec 2021 13:04:56 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.8.0 Received: from galois.linutronix.de (Galois.linutronix.de [IPv6:2a0a:51c0:0:12e:550::1]) by smtp3.osuosl.org (Postfix) with ESMTPS id B372560597 for ; Sat, 11 Dec 2021 13:04:56 +0000 (UTC) From: Thomas Gleixner DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1639227892; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=38/Db3j/tuzM5sMDcn0hVrQ9Hr7pHpt39b3WTf8tlcA=; b=w841xfDqQZN7kBkSecqzjfET5cCxoIWD7sohONld+A4/fywu7mxU8knTNNpYTU3LyTeN5W hRtH4deK3c+Nl6TRFf1ldQT0ovJkupvJfeiLMq5eEpHFYVIlxHcmxXieqT4Q7V9M6AJtpp jtACmPkh4As7iKGiv/EBYxFsPKsv6DfltP4wu30n2Qs63WKtqIIyJ9Y+cuOqwUm8276eg4 DHcUAFEiCyFxPO1tRV8LSK84iuPIt1TVLHTvA5g3sgHalhsTOehFHHumjihCQ31gZhZ/+b j/id5XPT9RY+Ol5wMfbOBjmT+T07o6Vcog6FXDxt9dob/IYPDHFTpWDou4an2w== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1639227892; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=38/Db3j/tuzM5sMDcn0hVrQ9Hr7pHpt39b3WTf8tlcA=; b=F0rZXep58tnqWpssbFXotjfPeO0xx74comw8vNO4zW0sw2COD634KbX4OYtb7JqA/Is+XK Lek77MbqCrvMUzAA== To: "Tian, Kevin" , Jason Gunthorpe Subject: RE: [patch 21/32] NTB/msi: Convert to msi_on_each_desc() In-Reply-To: References: <878rx480fk.ffs@tglx> <87sfv2yy19.ffs@tglx> <20211209162129.GS6385@nvidia.com> <878rwtzfh1.ffs@tglx> <20211209205835.GZ6385@nvidia.com> <8735n1zaz3.ffs@tglx> <87sfv1xq3b.ffs@tglx> <20211210123938.GF6385@nvidia.com> <87fsr0xp31.ffs@tglx> Date: Sat, 11 Dec 2021 14:04:52 +0100 Message-ID: <875yrvwavf.ffs@tglx> MIME-Version: 1.0 Cc: Allen Hubbe , "linux-s390@vger.kernel.org" , "x86@kernel.org" , "Jiang, Dave" , "Raj, Ashok" , Greg Kroah-Hartman , Marc Zygnier , Heiko Carstens , LKML , "iommu@lists.linux-foundation.org" , Christian Borntraeger , Alex Williamson , Joerg Roedel , Bjorn Helgaas , "linux-pci@vger.kernel.org" , "linux-ntb@googlegroups.com" , Logan Gunthorpe , "Dey, Megha" X-BeenThere: iommu@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Development issues for Linux IOMMU support List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: iommu-bounces@lists.linux-foundation.org Sender: "iommu" Kevin, On Sat, Dec 11 2021 at 07:44, Kevin Tian wrote: >> From: Thomas Gleixner >> On Fri, Dec 10 2021 at 08:39, Jason Gunthorpe wrote: >> > It is clever, we don't have an vIOMMU that supplies vIR today, so by >> > definition all guests are excluded and only bare metal works. >> >> Dammit. Now you spilled the beans. :) > > Unfortunately we do have that today. Qemu supports IR for > both AMD and Intel vIOMMU. can you point me to the code? All I can find is drivers/iommu/virtio-iommu.c but I can't find anything vIR related there. Thanks, tglx _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu