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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 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: 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=CZ4I5Krl c=1 sm=1 tr=0 ts=687e5a3d cx=c_pps a=cmESyDAEBpBGqyK7t0alAg==:117 a=5oemJFBbzWj47VPNxq3P8A==:17 a=IkcTkHD0fZMA:10 a=Wb1JkmetP80A:10 a=VwQbUJbxAAAA:8 a=FZZ2ILZgcEXfV6c6dVwA:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=1OuFwYUASf3TG4hYMiVC:22 X-Proofpoint-ORIG-GUID: 2ljcSZt6vf7FoHiAbSMaBcevAMGxEVYG X-Proofpoint-GUID: 2ljcSZt6vf7FoHiAbSMaBcevAMGxEVYG X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwNzIxMDEzNiBTYWx0ZWRfX6KLrPOOQxVv8 6rzwc1a9fJx34xSngPHNHOhKA8aLptfNQjxcfejmdrZ3yjF8cYmBTk26QJkDmWvyc00Zsp14/rt 2zluxQrN28HCUnrnYCa+VZWrBQXvPm53bt8sUtqCQSrEYxTVNjBEzICj6cPAco+Of7P7chGw+VI qHokxVuwEoQBQ8S8kwQ3JMxhxkWF894INI1b4FBWG8f9D1oJZ+Kf/ncP830UVRsfN0LxLzy/EKk KaUX+a7K3k/94ijlk+UwHh0xptZ8NsqQUKdwoWFGPi4lb/HMbJrRBwT499yOa/s6C0bDqKLp83Y SyI/CznKTFbjCYpwwYXpg9q7ylpqV6qdJxr+PY32zOzrycQtRp95yoZd3/1/lcafvuZDLEEw09R g6Isqcu7x4lW7pxML46NuaDdc4ZWhbJ8FNupjr8XbyyAsMsqIxbdxz2BEyzsJx/U9ssMQ3vh 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 priorityscore=1501 suspectscore=0 mlxlogscore=813 impostorscore=0 clxscore=1015 mlxscore=0 lowpriorityscore=0 phishscore=0 adultscore=0 bulkscore=0 spamscore=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 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