From mboxrd@z Thu Jan 1 00:00:00 1970 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.subspace.kernel.org (Postfix) with ESMTPS id D5A101CD30; Mon, 26 Feb 2024 11:08:21 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.137.202.133 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1708945703; cv=none; b=j/lzty9WfUbB6DriATsJ0GrZ2m/KvQqlNKcqRt4IKuxoOxtL6d/EKIRJYRcA6+a30VgCtmXKWPubj9AVhKvET10l6PowuaoXLEDFr5dNSAyzkLcJVjMBcGFad2cCBtU+cINymb4dhfc4XbpSGZ1Zw/tVfVOlA2ebw6hcM6oC2cI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1708945703; c=relaxed/simple; bh=MH3NkRJlLsr92n8XmE7uUhNlrOYcMau2VISmVPiEn7I=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=mdmhzCuFQrCkKScpd73xNSeoirHp33RO7QUUJZPwZyUlGiNKzegvXhqHWIp6zjlX62EDRXaS+ukKtI3/oKVp34+a/BwrLpoYxaXiFaTlkeSPCUkEAxgCkj4vwdNB/i64lxLpesjfE+l0syLHTFdGnvpdgLfPKo9/cuARZWfkGGw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org; spf=none smtp.mailfrom=bombadil.srs.infradead.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b=UlTvyCKR; arc=none smtp.client-ip=198.137.202.133 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=bombadil.srs.infradead.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="UlTvyCKR" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; h=In-Reply-To:Content-Type:MIME-Version :References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=oj61w1EtZvU5zXErbswMW0jEIMEss4/Kn4pcmzNb168=; b=UlTvyCKRizAl9mcUNVH9wzWNh+ admk3vNpmvpsGmhf5Ff9vy2+atxJhnGlMY1w7eweWoSfbMInJK32TAw6YIEI54cIHOPk7jX3m0EJM FCKDpecaX8Hd05q3enPumxLA5vAPJ4Py/nS+sh81DhcFA2arUv0Zo46xSp07wFVkLNN4CTBUQaWr8 ifro4rtJ+6gB0lSL+/K0RzIuRXcSpEgAL9pbsN8CjfoMqdUibIrF/F9pZFPEWDVuEAsYp5WfK76BX B7pruLi30yTDCZpZp1MsrS1r2kxzzCraJGzi8sma7qaxMV/CxIg5xjzB7E1pUEBgCOihYKj9gbcVx 8Wrh1Nvg==; Received: from hch by bombadil.infradead.org with local (Exim 4.97.1 #2 (Red Hat Linux)) id 1reYqJ-00000000HTi-0SxK; Mon, 26 Feb 2024 11:08:19 +0000 Date: Mon, 26 Feb 2024 03:08:19 -0800 From: Christoph Hellwig To: Wadim Mueller Cc: Bjorn Helgaas , Jonathan Corbet , Manivannan Sadhasivam , Krzysztof =?utf-8?Q?Wilczy=C5=84ski?= , Kishon Vijay Abraham I , Jens Axboe , Lorenzo Pieralisi , Damien Le Moal , Shunsuke Mie , linux-pci@vger.kernel.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-block@vger.kernel.org Subject: Re: [PATCH 0/3] Add support for Block Passthrough Endpoint function driver Message-ID: References: <20240224210409.112333-1-wafgo01@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20240224210409.112333-1-wafgo01@gmail.com> X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html Please don't just create a new (and as far as I can tell underspecified) new "hardware" interface for this. If the nvme endpoint work is too much for your use case maybe just implement a minimal virtio_blk interface.