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 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.lore.kernel.org (Postfix) with ESMTPS id 9F357C83F1A for ; Mon, 21 Jul 2025 16:50:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: Content-Type:MIME-Version:Date:Message-Id:Subject:References:In-Reply-To:Cc: To:From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=1BdmigYJpjrB18BbkMDFazSUEuKPPs8PoGZmiojEMqI=; b=kPUAYCGYvfQDSltlebI87f45dW gBgbGarq+ri8b43oDg1qTgmdS1pOWowclLGJ35dKjnhmfCo09StW3idPKa1MtjEiDtZ8j/olfDUff BIQ48iUVjuYJsdsHSqEtZEuyOUBxsI24w4iqdvY9J7Bebfmxn7TceFohUVKNykWNIYJra0l2+SnqX ZE3x5fc/rTp8vcalbCSq6rO1T5wk0fCHiv0+f8ZjqjzTT83ZL9ROXlEWFf4gj6+6x9UqqIRUypfv9 gDymnhYONuT0odH+uWnfrIfDPeNFxECbqrWGCRwo0yU9wpg2KMfuanWhkwvlkNZy1nzq6bbLT2EfD 6LQttpdA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1udtiM-00000000EYa-1BW6; Mon, 21 Jul 2025 16:50:10 +0000 Received: from mx0b-0031df01.pphosted.com ([205.220.180.131]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1udsHX-000000003Va-07Xq for linux-arm-kernel@lists.infradead.org; Mon, 21 Jul 2025 15:18:24 +0000 Received: from pps.filterd (m0279871.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.18.1.2/8.18.1.2) with ESMTP id 56LAMnTR015997 for ; Mon, 21 Jul 2025 15:18:22 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=qualcomm.com; h= cc:content-transfer-encoding:content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to; s=qcppdkim1; bh= 1BdmigYJpjrB18BbkMDFazSUEuKPPs8PoGZmiojEMqI=; b=DAiCgRJw2OwUoLBo xejOmvcpDQLO32S7cxefoMsenyKV6lyVx3Mgr+0bXGlUDkurKUXh3a9TpZ0bTpVQ k+2hMswXU+uio/dDzKepfL0Ae3Lwyvvn2lTcW+vVpGmTH20vO7vrrZQ2Wq6rSU8H tO4kqDkizXuo87O8miuGQZab/fegso4cuYYGnqWnSh3ub6GjRdIbShDSR8YVWGgo Tfys32Rqf0/dnLVlpzxsOyorWJv2xB3duHLxsGLwglfbp7llmCbBLPZLP2ljmbeD XaFY/I8bu4ksT8QxSAIOnPA1awLGBEmoiWzSt5OOqskUPLy2A0yC01BZO7IEPrIh SrKZlA== Received: from mail-pl1-f198.google.com (mail-pl1-f198.google.com [209.85.214.198]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 480451drpw-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NOT) for ; Mon, 21 Jul 2025 15:18:21 +0000 (GMT) Received: by mail-pl1-f198.google.com with SMTP id d9443c01a7336-235e1d70d67so40863185ad.0 for ; Mon, 21 Jul 2025 08:18:21 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1753111100; x=1753715900; h=content-transfer-encoding:mime-version:date:message-id:subject :references:in-reply-to:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=1BdmigYJpjrB18BbkMDFazSUEuKPPs8PoGZmiojEMqI=; b=kzdJC/8ogacuOXY9cV2QjU7uyv0FmyxAxlkBdxpNq1gCXbo+cqOwDOF5Ar6yi47hDX x6G8tmEbyXEUz5HtdP29X08kk/ZQdWg3QPMIPMAhtlEjq1zRraSVCqViK63Cmhmzhxm5 Yu8KsjrdA6Ndtmt1fidq9Mi7gPBFYMRg64E2fbFoSmIFaT160r9NGQVu7yLBzNZgEacb j6kHoSA759OPCz2AuoQtyD8z7eix41H2mJcDMx4tqKhE56HCf1umWpE0OdBXvhtfI92q 2p7Q2TAAt+WZsURvcwhMvFrpc1kLAds6idfdo/KcmJvp9h/9JIuzw4IRL9uLU+SHjPsM L7vA== X-Forwarded-Encrypted: i=1; AJvYcCVjxjhMSwyMGrf7uYj/ZFhWWRQl3OQd4xkNIarOgCOaxkjXvisyGZNt+TPnvACo+k92PEKTiy9Zu6ZiEKhyva7h@lists.infradead.org X-Gm-Message-State: AOJu0Yyzq1lCm7l0k3ctmwCeaa56D5KNiF2feQye6Uyg0XxF0ApbVZvd BMK67UVrR80r0CvJyikLzBDQhP/2yNcx3w1qR6y+pjNZUZ5f++QY8GZ4akniNPgC6VtpTrnTN77 PIPSMFMp3gjnHzz48SEpTzx52vwIzRAko0sGkHzG9gvwtN62mmUGRAN9VQWY+EBDVcaM7aJhQDb vChw== X-Gm-Gg: ASbGnct89RBJvoCg0lPH2obWVbAKeyMRc5NBGn1Vf3rly4dD5rfqsNY0HuOy9zzQgqR d1duHdkP1bDsXHCfuGHh4dAWjYyMEREH6AMie+f2C51SO90NqNzXaZFbA30lSOe0C89NRkgmbqs axHf1eeAidbDDkyj6XYtyHPCqoSQ+ywJ8OrRpVar2MArPpfaOfJlZQA1bYnlwkFji+HMf2MORrJ JW/aRPJED0mxannUI885YE1Pixn8iuPYgexxlL80zhUtWOZ4iEgkgcldMv0cNuFGfixg6wGzzOP yEP0bR4IGztESHi9fqXH6UyObZD09yNDWA== X-Received: by 2002:a17:902:ccce:b0:235:f143:9b07 with SMTP id d9443c01a7336-23e25684c62mr307165845ad.5.1753111100259; Mon, 21 Jul 2025 08:18:20 -0700 (PDT) X-Google-Smtp-Source: AGHT+IG8ugeT+tg1rObYeMWRAE4o7TCFabu2wYnT3Pq2XvXvsVUV+/A6SbpWkAPzmNqqOT48gw/5Cw== X-Received: by 2002:a17:902:ccce:b0:235:f143:9b07 with SMTP id d9443c01a7336-23e25684c62mr307165455ad.5.1753111099767; Mon, 21 Jul 2025 08:18:19 -0700 (PDT) Received: from [192.168.1.17] ([120.60.76.1]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-23e3b6d22e4sm60329335ad.153.2025.07.21.08.18.11 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 21 Jul 2025 08:18:19 -0700 (PDT) From: Manivannan Sadhasivam X-Google-Original-From: Manivannan Sadhasivam To: Kishon Vijay Abraham I , "Rafael J. Wysocki" , Thomas Gleixner , Anup Patel , Kishon Vijay Abraham I , Marc Zyngier , Greg Kroah-Hartman , "Rafael J. Wysocki" , Danilo Krummrich , Kishon Vijay Abraham I , Bjorn Helgaas , Arnd Bergmann , Shuah Khan , Richard Zhu , Lucas Stach , Lorenzo Pieralisi , Rob Herring , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , Krzysztof Kozlowski , Conor Dooley , =?utf-8?q?Krzysztof_Wilczy=C5=84ski?= , Frank Li Cc: Niklas Cassel , dlemoal@kernel.org, jdmason@kudzu.us, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-pci@vger.kernel.org, linux-kselftest@vger.kernel.org, imx@lists.linux.dev, devicetree@vger.kernel.org, Niklas Cassel In-Reply-To: <20250710-ep-msi-v21-0-57683fc7fb25@nxp.com> References: <20250710-ep-msi-v21-0-57683fc7fb25@nxp.com> Subject: Re: (subset) [PATCH v21 0/9] PCI: EP: Add RC-to-EP doorbell with platform MSI controller Message-Id: <175311109182.25848.8880954995049551501.b4-ty@kernel.org> Date: Mon, 21 Jul 2025 20:48:11 +0530 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit X-Mailer: b4 0.14.2 X-Authority-Analysis: v=2.4 cv=EIMG00ZC c=1 sm=1 tr=0 ts=687e5a3d cx=c_pps a=MTSHoo12Qbhz2p7MsH1ifg==:117 a=5oemJFBbzWj47VPNxq3P8A==:17 a=IkcTkHD0fZMA:10 a=Wb1JkmetP80A:10 a=VwQbUJbxAAAA:8 a=FZZ2ILZgcEXfV6c6dVwA:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=GvdueXVYPmCkWapjIL-Q:22 X-Proofpoint-ORIG-GUID: Swl45HNoeyAE1_MQQfG0otXTeNwHim1F X-Proofpoint-GUID: Swl45HNoeyAE1_MQQfG0otXTeNwHim1F X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwNzIxMDEzNiBTYWx0ZWRfX1qB+gd1ZQ7Zw M8Fv1kzYsokfrAK2gFkJiDvKjI/rgK+aT/4Zo8OdDKu15aos6sciAEgFRUfMK2BK2yxT9ltsBik TKWrmD5EfTuhFm01x5FH4kFIXDDj7UCd7AUdvzKAnDit92L22Ftr3PUBpsdTmag4euanazERsGz SVYHBhHB94ba7BSFpXUuGy27WMN+D02tRr+ojgL6WDBjYxWumZFBYgxkYi0KCGTkt/Kmg/+uSDS XRqmStBIz4F+q7XrETAwUNc1stAcSQPZHBcMswonazAFo0yEI2xsuS9WDfxePxuZrLhbgNOSFvu Xk6+RPBm89uLiix9kQFxzjBNnoyhV3sF9N1ej9l0SSlucedwj4X7yF4755uaZyK1ib+lMPwvN1e 5qc6aTxfqezVbHPT/4MM/ULZxf1UGsqq30KbgTKC1bMEH0EGIGkS5aMwJtNBmbIXen5v4Qt2 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1099,Hydra:6.1.9,FMLib:17.12.80.40 definitions=2025-07-21_04,2025-07-21_02,2025-03-28_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 impostorscore=0 lowpriorityscore=0 bulkscore=0 adultscore=0 priorityscore=1501 mlxlogscore=890 phishscore=0 mlxscore=0 clxscore=1015 suspectscore=0 malwarescore=0 classifier=spam authscore=0 authtc=n/a authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2505280000 definitions=main-2507210136 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250721_081823_189879_C3E21D48 X-CRM114-Status: GOOD ( 11.22 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Thu, 10 Jul 2025 15:13:46 -0400, Frank Li wrote: > ┌────────────┐ ┌───────────────────────────────────┐ ┌────────────────┐ > │ │ │ │ │ │ > │ │ │ PCI Endpoint │ │ PCI Host │ > │ │ │ │ │ │ > │ │◄──┤ 1.platform_msi_domain_alloc_irqs()│ │ │ > │ │ │ │ │ │ > │ MSI ├──►│ 2.write_msi_msg() ├──►├─BAR │ > │ Controller │ │ update doorbell register address│ │ │ > │ │ │ for BAR │ │ │ > │ │ │ │ │ 3. Write BAR│ > │ │◄──┼───────────────────────────────────┼───┤ │ > │ │ │ │ │ │ > │ ├──►│ 4.Irq Handle │ │ │ > │ │ │ │ │ │ > │ │ │ │ │ │ > └────────────┘ └───────────────────────────────────┘ └────────────────┘ > > [...] Applied, thanks! [3/9] PCI: endpoint: Add RC-to-EP doorbell support using platform MSI controller commit: b537ffe0eb2ab458f20ec135cc2b565c63a2ea00 [4/9] PCI: endpoint: pci-ep-msi: Add MSI address/data pair mutable check commit: 1f2ed78e43abb9ac0856a82867f64d472368a832 [5/9] PCI: endpoint: Add pci_epf_align_inbound_addr() helper for address alignment commit: 1c2c5f9855a5cf4617bcda721c22dbd3345f06a1 [6/9] PCI: endpoint: pci-epf-test: Add doorbell test support commit: 5d4da5f8092e5a77ae371ae1112283b59790ac22 [7/9] misc: pci_endpoint_test: Add doorbell test case commit: a1a293e709a4ec0fa2e4253993a4b75f581c6cf2 [8/9] selftests: pci_endpoint: Add doorbell test case commit: b964b4894fcfc72e7496cf52a33cbba39d094c5b Best regards, -- Manivannan Sadhasivam