From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 1921427B35F; Fri, 9 Oct 2026 05:05:40 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1791522342; cv=none; b=gcD+3p7zvv3fNmer2b8a7RsJKEtpYj03Da9TAEt3svGpteXSlg9zcnCaDCjtuT+zrX/LWQ9mK7KuZZzdBn/s8Qaj1X21+lm+Wf4P3PRA3qmm2I2a/j5teGeQe2XJdZteSXc3TfELqKBk2OqJGA9d0m1NvGsEDEDGqOHTSU48Ac0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1791522342; c=relaxed/simple; bh=iLlQF4x41y9gcIkdwom947TnNWhRUwMJaDprQf3tGPE=; h=Message-ID:From:Subject:To:Cc:In-Reply-To:References:Content-Type: Date; b=rh3hzHBj6EWbSV11+vTMKyTEFUkiN6yTEAxO2HJow7atJJszlw5Xljhb8vZagug6ygvb6BZthsTwjxneNzfbUgeWAaW7IwMLgzEIJxr9ahfGQcEVdMmF6CxIoQaN2A4c4iPaVfdfkFvpktMo4+tLFzJFJteNBmgCTgjy5uZURRE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Ujl63wzd; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="Ujl63wzd" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 911931F000FF; Fri, 9 Oct 2026 05:05:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1791522340; bh=iLlQF4x41y9gcIkdwom947TnNWhRUwMJaDprQf3tGPE=; h=From:Subject:Reply-To:To:Cc:In-Reply-To:References:Date; b=Ujl63wzdRI27Tg7UQFgEzcl9ZAnuv40NT9POlvIS6A/5fQSTEPYeIHiG7VCGmDmHu 2RJN8bQ3tq9S6gVPmOWH4srRCvrsrCKw1l6EnT6mYvBH6qeNdFOmILDiDfOLd9erCs u6FEnXVLegEw1ddpmOF8/pwUSjW0RkNcx+OJsOguPcvzVFq+RbkBrFqgHgaVRHB0GH IMaqjkKXh4LRJquSRIMFcgLZZ1E/h1E+8KtX1oIfORYA8KHd5IB54D1hGMSf641JYp GfPH7cDvsDgioyoba4IejyVlDn8VjwgIlwW1jrAe8PhUH6ynFP9VfHvRF7IVHAjay1 qqO3DQzXXbR9w== Message-ID: From: sashiko-bot@kernel.org Subject: Re: [PATCH v5 2/7] PCI: dwc: Expose endpoint DMA resources Reply-To: sashiko-reviews@lists.linux.dev To: "Koichiro Den" Cc: ntb@lists.linux.dev, linux-pci@vger.kernel.org In-Reply-To: <20261009045949.1109871-3-den@valinux.co.jp> References: <20261009045949.1109871-1-den@valinux.co.jp> <20261009045949.1109871-3-den@valinux.co.jp> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Date: Fri, 09 Oct 2026 05:05:40 +0000 Precedence: bulk X-Mailing-List: linux-pci@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: > Expose the endpoint-integrated eDMA register window and linked-list memory > through the EPC auxiliary resource API. Endpoint functions can then choose > which channels to export and map the required windows. >=20 > Associate each linked-list region with the direction-flattened static > channel ID used by the local dw-edma device. Report these resources only > after that device is registered and only for channels with linked-list > memory. >=20 > When the register window is already part of a reserved BAR, report its BAR > and offset. Otherwise report its CPU physical address. >=20 > While at it, harden the existing doorbell resource query. Report it > only after the local dw-edma device is registered, and reject VF > queries because DWC cannot assign DMA/HDMA registers to VFs. >=20 > Reviewed-by: Frank Li > Signed-off-by: Koichiro Den Sashiko has reviewed this patch and found no issues. It looks great! --=20 Sashiko AI review =C2=B7 https://sashiko.dev/#/patchset/20261009045949.1109= 871-1-den@valinux.co.jp?part=3D2