linux-kernel - Re: (subset) [PATCH v21 0/9] PCI: EP: Add RC-to-EP doorbell with platform MSI controller

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Message-Id: <175311109182.25848.8880954995049551501.b4-ty@kernel.org>
Date: Mon, 21 Jul 2025 20:48:11 +0530
From: Manivannan Sadhasivam <manivannan.sadhasivam@....qualcomm.com>
To: Kishon Vijay Abraham I <kishon@...nel.org>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Anup Patel <apatel@...tanamicro.com>,
        Kishon Vijay Abraham I <kishon@...nel.org>,
        Marc Zyngier <maz@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        Danilo Krummrich <dakr@...nel.org>,
        Kishon Vijay Abraham I <kishon@...nel.org>,
        Bjorn Helgaas <bhelgaas@...gle.com>, Arnd Bergmann <arnd@...db.de>,
        Shuah Khan <shuah@...nel.org>, Richard Zhu <hongxing.zhu@....com>,
        Lucas Stach <l.stach@...gutronix.de>,
        Lorenzo Pieralisi <lpieralisi@...nel.org>,
        Rob Herring <robh@...nel.org>, Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        Fabio Estevam <festevam@...il.com>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Krzysztof Wilczyński <kwilczynski@...nel.org>,
        Frank Li <Frank.Li@....com>
Cc: Niklas Cassel <cassel@...nel.org>, dlemoal@...nel.org, jdmason@...zu.us,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-pci@...r.kernel.org, linux-kselftest@...r.kernel.org,
        imx@...ts.linux.dev, devicetree@...r.kernel.org,
        Niklas Cassel <cassel@...nel.org>
Subject: Re: (subset) [PATCH v21 0/9] PCI: EP: Add RC-to-EP doorbell with
 platform MSI controller


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<n>         │
> │ Controller │   │   update doorbell register address│   │                │
> │            │   │   for BAR                         │   │                │
> │            │   │                                   │   │ 3. Write BAR<n>│
> │            │◄──┼───────────────────────────────────┼───┤                │
> │            │   │                                   │   │                │
> │            ├──►│ 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 <mani@...nel.org>