From: Rob Herring <robh@kernel.org>
To: Frank Li <Frank.li@nxp.com>
Cc: "Kishon Vijay Abraham I" <kishon@kernel.org>,
"Rafael J. Wysocki" <rafael@kernel.org>,
"Thomas Gleixner" <tglx@linutronix.de>,
"Anup Patel" <apatel@ventanamicro.com>,
"Marc Zyngier" <maz@kernel.org>,
"Greg Kroah-Hartman" <gregkh@linuxfoundation.org>,
"Danilo Krummrich" <dakr@kernel.org>,
"Manivannan Sadhasivam" <manivannan.sadhasivam@linaro.org>,
"Krzysztof Wilczyński" <kw@linux.com>,
"Bjorn Helgaas" <bhelgaas@google.com>,
"Arnd Bergmann" <arnd@arndb.de>, "Shuah Khan" <shuah@kernel.org>,
"Richard Zhu" <hongxing.zhu@nxp.com>,
"Lucas Stach" <l.stach@pengutronix.de>,
"Lorenzo Pieralisi" <lpieralisi@kernel.org>,
"Shawn Guo" <shawnguo@kernel.org>,
"Sascha Hauer" <s.hauer@pengutronix.de>,
"Pengutronix Kernel Team" <kernel@pengutronix.de>,
"Fabio Estevam" <festevam@gmail.com>,
"Krzysztof Kozlowski" <krzk+dt@kernel.org>,
"Conor Dooley" <conor+dt@kernel.org>,
"Niklas Cassel" <cassel@kernel.org>,
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
Subject: Re: [PATCH v16 04/15] dt-bindings: pci: pci-msi: Add support for PCI Endpoint msi-map
Date: Fri, 4 Apr 2025 16:52:43 -0500 [thread overview]
Message-ID: <20250404215243.GA412761-robh@kernel.org> (raw)
In-Reply-To: <Z/BB/Maq4253H7N2@lizhi-Precision-Tower-5810>
On Fri, Apr 04, 2025 at 04:33:00PM -0400, Frank Li wrote:
> On Fri, Apr 04, 2025 at 03:11:40PM -0500, Rob Herring wrote:
> > On Fri, Apr 04, 2025 at 03:01:05PM -0400, Frank Li wrote:
> > > Document the use of msi-map for PCI Endpoint (EP) controllers, which can
> > > use MSI as a doorbell mechanism. Each EP controller can support up to 8
> > > physical functions and 65,536 virtual functions.
> > >
> > > Define how to construct device IDs using function bits [2:0] and virtual
> > > function index bits [31:3], enabling msi-map to associate each child device
> > > with a specific msi-specifier.
> > >
> > > Include a device tree example illustrating this configuration.
> > >
> > > Signed-off-by: Frank Li <Frank.Li@nxp.com>
> > > ---
> > > change from v15 to v16
> > > - new patch
> > > ---
> > > Documentation/devicetree/bindings/pci/pci-msi.txt | 51 +++++++++++++++++++++++
> > > 1 file changed, 51 insertions(+)
> >
> > Please don't add to .txt files.
>
> where should put?
Where ever you are putting the schema for msi-map for endpoints... Looks
like that's nowhere currently. The endpoint side is documented in
pci-ep.yaml, so there I suppose.
What's in pci-msi.txt already has mostly moved to dtschema
dtschema/schemas/pci/pci-host-bridge.yaml.
Rob
next prev parent reply other threads:[~2025-04-04 21:52 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-04-04 19:01 [PATCH v16 00/15] PCI: EP: Add RC-to-EP doorbell with platform MSI controller Frank Li
2025-04-04 19:01 ` [PATCH v16 01/15] platform-msi: Add msi_remove_device_irq_domain() in platform_device_msi_free_irqs_all() Frank Li
2025-04-04 19:01 ` [PATCH v16 02/15] irqdomain: Add IRQ_DOMAIN_FLAG_MSI_IMMUTABLE and irq_domain_is_msi_immutable() Frank Li
2025-04-04 19:01 ` [PATCH v16 03/15] irqchip/gic-v3-its: Set IRQ_DOMAIN_FLAG_MSI_IMMUTABLE for ITS Frank Li
2025-04-04 19:01 ` [PATCH v16 04/15] dt-bindings: pci: pci-msi: Add support for PCI Endpoint msi-map Frank Li
2025-04-04 20:11 ` Rob Herring
2025-04-04 20:33 ` Frank Li
2025-04-04 21:52 ` Rob Herring [this message]
2025-04-04 19:01 ` [PATCH v16 05/15] irqchip/gic-v3-its: Add support for device tree msi-map and msi-mask Frank Li
2025-04-04 19:01 ` [PATCH v16 06/15] PCI: endpoint: Set ID and of_node for function driver Frank Li
2025-04-04 19:01 ` [PATCH v16 07/15] PCI: endpoint: Add RC-to-EP doorbell support using platform MSI controller Frank Li
2025-04-04 19:01 ` [PATCH v16 08/15] PCI: endpoint: pci-ep-msi: Add MSI address/data pair mutable check Frank Li
2025-04-04 19:01 ` [PATCH v16 09/15] PCI: endpoint: Add pci_epf_align_inbound_addr() helper for address alignment Frank Li
2025-04-04 19:01 ` [PATCH v16 10/15] PCI: endpoint: pci-epf-test: Add doorbell test support Frank Li
2025-04-04 19:01 ` [PATCH v16 11/15] misc: pci_endpoint_test: Add doorbell test case Frank Li
2025-04-04 19:01 ` [PATCH v16 12/15] selftests: pci_endpoint: " Frank Li
2025-04-04 19:01 ` [PATCH v16 13/15] pci: imx6: Add helper function imx_pcie_add_lut_by_rid() Frank Li
2025-04-04 19:01 ` [PATCH v16 14/15] pci: imx6: Add LUT setting for MSI/IOMMU in Endpoint mode Frank Li
2025-04-04 19:01 ` [PATCH v16 15/15] arm64: dts: imx95: Add msi-map for pci-ep device Frank Li
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