From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=100.103.45.18 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1794579529; b=SN6/w/a9XqOw+TG3MTXyICNCFYbbZZFYL54QQkMzmzclhZOm8FilJu1C9phnlRLnJSti 3qBVMU5NlBp0dR3ItgNxKYlVOYBYh5nqD+oQydgLRue1jU7US0GqpqrAnwuv8q5j0vieE tmbV/UjC/UpY2ORYPrVhDFhjD+Ttn0yVug70DhXWCxgoK95YnhD+0QrVehCQj1Bx7W85J FwGXpiNF9np4w7EX20JHVeP5MZ3ecNYMMOnPId9rxrZAjV49WGdB24ojzyiG2nrXXSbdb LFu4HDgCVzbL8ZuuCTacF6dSnRU0X82cSQ9kcRRFoQLGodwZTmU5JBS1iQrfRT5lGbg== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1794579529; h=Received:DKIM-Signature:Message-ID:From:Subject:Reply-To:To:Cc: In-Reply-To:References:Content-Type:Content-Transfer-Encoding:Date; bh=wDda4CZ4StYgPnBlyTFS46bq9AAPe2nWp5cDpPBb3GQ=; b=Bbv5+SFoxPKceXChPfSg61CHIe9rGEJRSkmCtGMiWoZC1WccCGjcpiOAMzmyHx7EwRWh rP7RsSLMkr1z2q9ZnFGFah/zdXuLG32C9D05JgWyK7mRpMLWS+/bfiUU4hRvec7DmVHM7 Kiw7Qpy4ppRi/wmgqzh1VXlIQfxQ2owYveGfywGSXfi33/yhmCBJvcD7gwrmxRKrTjNoT 47F93yhQhrypmL6R6zRYnjCakxa504pfWmrrVjLVzNqwkWeF5ERZPImec86yVRpqVXXRg RaIE4VhOwK0pBkP69pLcoulE5JBEb9pD9mgioGjztPMZ6VAReis3JZLkgBk9FCY4+Zg== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=A8apqUdv; arc=none smtp.remote-ip=100.103.45.18 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id CC7B7606A323 for ; Fri, 13 Nov 2026 14:18:49 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=A8apqUdv Received: by smtp.kernel.org (Postfix) with ESMTPSA id 44E571F000C5; Fri, 13 Nov 2026 14:18:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1794579529; bh=wDda4CZ4StYgPnBlyTFS46bq9AAPe2nWp5cDpPBb3GQ=; h=From:Subject:Reply-To:To:Cc:In-Reply-To:References:Date; b=A8apqUdvH1DJpVFXLBWkFA7jAqV2R9rUAW6tip1Rc0NSU5jlrbqERH4PjnW2DpSpc bUK5s5bLt3fASueCNHcZqbKbqNmMYJkbiJT7Y/Ki77+4puoZAaarpIjakNo93yFgPh GOpuL7CIAihE/az7FO/OYUgnCoqabPLMi0yyWRnJDB3vduqOnTADWld2zVIsK8niO5 TAjnpfOplItVbE2twuIngoOBYlehmByqlAK93KP0LXnOmympt6fi9/I85dlCqJRZQ6 zqguCCsFZhD0hgBim+ud/d6U1P+25TEb9xjjMGv9qtwgxCg1cB880W45UINay+haqY NOf4jwzew8RjQ== Message-ID: From: sashiko-bot@kernel.org Subject: Re: [PATCH v10 09/10] NTB: ntb_hw_epf: Discover vNTB-embedded DMA Reply-To: sashiko-reviews@lists.linux.dev To: "Koichiro Den" Cc: linux-pci@vger.kernel.org In-Reply-To: <20261113132935.4152566-10-den@valinux.co.jp> References: <20261113132935.4152566-1-den@valinux.co.jp> <20261113132935.4152566-10-den@valinux.co.jp> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Date: Fri, 13 Nov 2026 14:18:48 +0000 X-Mailing-List: linux-pci@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list > A vNTB PCI function can now expose endpoint-local DMA channels to its > host. Decode the extension and register the advertised channels before > the NTB device, so clients of that NTB device can use the DMA > functionality in the same PCI function. Endpoints without the extension, > or hosts without support for its DMA type, continue without DMA. >=20 > All DMA channels share IRQ slot 1, historically unused by link events > and doorbells. This keeps the doorbell count unchanged and needs no > extra vector. >=20 > Only DW eDMA is supported for now. Dispatch on the advertised DMA type > and keep type-specific setup in local helpers. Support for another > implementation can add a new case and its own helpers. >=20 > Signed-off-by: Koichiro Den Sashiko has reviewed this patch and found no issues. --=20 Sashiko AI review =C2=B7 https://sashiko.dev/#/patchset/20261113132935.4152= 566-1-den@valinux.co.jp?part=3D9