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[2620:137:e000::1:20]) by mx.google.com with ESMTP id m14-20020a056402050e00b0052a3c55ce1esi829813edv.369.2023.08.25.02.10.25; Fri, 25 Aug 2023 02:10:54 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=YjUNLrJP; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239345AbjHYIfL (ORCPT + 99 others); Fri, 25 Aug 2023 04:35:11 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57594 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233535AbjHYIeh (ORCPT ); Fri, 25 Aug 2023 04:34:37 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0B2B619AC; Fri, 25 Aug 2023 01:34:36 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 9822A64BF7; Fri, 25 Aug 2023 08:34:35 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 78E9DC433C8; Fri, 25 Aug 2023 08:34:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1692952475; bh=FCtRh2nslorTFJV46o2tCNp1DvRCnNrBaxwZsCG8tak=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=YjUNLrJPPiUJlG4lIcryD4r6V7wD8BPdtN0Ru12DQxleU4yaYHjuDkNDBDT/NXTYM foQVACKGxnBJNgqBD/Ws8daYb96WqoJeu+rQzFCM8cvktNR5z2N++6A+E3jjn+YTAk /ohehroDPeQdRm3mrlNgtQcwknIF7kyqIjYcOUr7lMgoGGxKSzTTPFWneav12hT9IU WqRprG4dHsJr+lkGpeZsLMMhIPlg+Nz8tV1LqqtAbqdnMFIsqCcX/tfh33E5TUCo2s hqXsqYxB2vEcU5tvL5c/JAWCneZdAKxec1eKgxrMUnLZGQ3TZeMpuEsuEMk6YWDGr0 kP+8Ix7YnG26w== Date: Fri, 25 Aug 2023 14:04:22 +0530 From: Manivannan Sadhasivam To: Frank Li Cc: "tglx@linutronix.de" , "lorenzo.pieralisi@arm.com" , "manivannan.sadhasivam@linaro.org" , "bhelgaas@google.com" , Aisheng Dong , "devicetree@vger.kernel.org" , "festevam@gmail.com" , "imx@lists.linux.dev" , "jdmason@kudzu.us" , "kernel@pengutronix.de" , "kishon@ti.com" , "krzysztof.kozlowski+dt@linaro.org" , "kw@linux.com" , "linux-arm-kernel@lists.infradead.org" , dl-linux-imx , "linux-kernel@vger.kernel.org" , "linux-pci@vger.kernel.org" , "lpieralisi@kernel.org" , "maz@kernel.org" , "ntb@lists.linux.dev" , Peng Fan , "robh+dt@kernel.org" , "s.hauer@pengutronix.de" , "shawnguo@kernel.org" Subject: Re: [PATCH 0/3] Add RC-to-EP doorbell with platform MSI controller Message-ID: <20230825083422.GB6005@thinkpad> References: <20230426203436.1277307-1-Frank.Li@nxp.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF, RCVD_IN_DNSWL_BLOCKED,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Aug 24, 2023 at 03:01:30PM -0400, Frank Li wrote: > On Mon, Jul 17, 2023 at 10:06:39AM -0400, Frank Li wrote: > > On Mon, Jun 12, 2023 at 12:17:25PM -0400, Frank Li wrote: > > > On Fri, May 12, 2023 at 02:45:12PM +0000, Frank Li wrote: > > > > > > > > > > This patches add new API to pci-epf-core, so any EP driver can use it. > > > > > > > > > > The key point is comments from Thomas Gleixner, who suggest use new > > > > > PCI/IMS. But arm platform change still not be merged yet. > > > > > > > > > > git://git.kernel.org/pub/scm/linux/kernel/git/tglx/devel.git devmsi-v2-arm > > > > > > > > > > So I still use existed method implement RC to EP doorbell. > > > > > > > > > > If Thomas Gleixner want to continue work on devmsi-v2-arm, I can help test > > > > > and update this patch. > > > > > > > > > > > > > Ping? > > > > > > Ping? > > > > ping? > > @Mani > Do you have chance to review these patches? It provide a common > method with GIC ITS to implement notification from RC to EP. > Sorry for the delay. I was wating for a review from Thomas. But since this series hasn't caught his attention, I'll provide my review next week. - Mani > Frank > > > > > > > > > > > > > > > Frank Li (3): > > > > > PCI: endpoint: Add RC-to-EP doorbell support using platform MSI > > > > > controller > > > > > misc: pci_endpoint_test: Add doorbell test case > > > > > tools: PCI: Add 'B' option for test doorbell > > > > > > > > > > drivers/misc/pci_endpoint_test.c | 41 +++++++++++ > > > > > drivers/pci/endpoint/pci-epf-core.c | 109 > > > > > ++++++++++++++++++++++++++++ > > > > > include/linux/pci-epf.h | 16 ++++ > > > > > include/uapi/linux/pcitest.h | 1 + > > > > > tools/pci/pcitest.c | 16 +++- > > > > > 5 files changed, 182 insertions(+), 1 deletion(-) > > > > > > > > > > -- > > > > > 2.34.1 > > > > -- மணிவண்ணன் சதாசிவம்