Re: [PATCH v15 00/15] PCI: EP: Add RC-to-EP doorbell with platform MSI controller

2025-03-10 Thread Frank Li
On Sat, Mar 01, 2025 at 07:09:35PM +0100, Thomas Gleixner wrote: > On Sat, Mar 01 2025 at 12:02, Marc Zyngier wrote: > > - This IMMUTABLE thing serves no purpose, because you don't randomly > > plug this end-point block on any MSI controller. They come as part > > of an SoC. > > Yes and no. The

Re: [PATCH v15 00/15] PCI: EP: Add RC-to-EP doorbell with platform MSI controller

2025-03-01 Thread Thomas Gleixner
On Sat, Mar 01 2025 at 12:02, Marc Zyngier wrote: > - This IMMUTABLE thing serves no purpose, because you don't randomly > plug this end-point block on any MSI controller. They come as part > of an SoC. Yes and no. The problem is that the EP implementation is meant to be a generic library and

Re: [PATCH v15 00/15] PCI: EP: Add RC-to-EP doorbell with platform MSI controller

2025-03-01 Thread Marc Zyngier
On Thu, 20 Feb 2025 20:01:10 +, Frank Li wrote: > > On Tue, Feb 11, 2025 at 02:21:53PM -0500, Frank Li wrote: > > Thomas Gleixner and Marc Zyngier: > > Do you have any comments about irq/msi part? It certainly looks better and less invasive than the previous incarnations. Things to f

Re: [PATCH v15 00/15] PCI: EP: Add RC-to-EP doorbell with platform MSI controller

2025-02-28 Thread Frank Li
On Thu, Feb 20, 2025 at 09:42:57PM +0100, Thomas Gleixner wrote: > On Thu, Feb 20 2025 at 15:01, Frank Li wrote: > > On Tue, Feb 11, 2025 at 02:21:53PM -0500, Frank Li wrote: > > > > Thomas Gleixner and Marc Zyngier: > > > > Do you have any comments about irq/msi part? > > I'm not having object

Re: [PATCH v15 00/15] PCI: EP: Add RC-to-EP doorbell with platform MSI controller

2025-02-20 Thread Thomas Gleixner
On Thu, Feb 20 2025 at 15:01, Frank Li wrote: > On Tue, Feb 11, 2025 at 02:21:53PM -0500, Frank Li wrote: > > Thomas Gleixner and Marc Zyngier: > > Do you have any comments about irq/msi part? I'm not having objections, but this needs to be acked by Marc as he had pretty strong opinions on t

Re: [PATCH v15 00/15] PCI: EP: Add RC-to-EP doorbell with platform MSI controller

2025-02-20 Thread Frank Li
On Tue, Feb 11, 2025 at 02:21:53PM -0500, Frank Li wrote: Thomas Gleixner and Marc Zyngier: Do you have any comments about irq/msi part? Frank > ┌┐ ┌───┐ ┌┐ > ││ │ │ │

[PATCH v15 00/15] PCI: EP: Add RC-to-EP doorbell with platform MSI controller

2025-02-11 Thread Frank Li
┌┐ ┌───┐ ┌┐ ││ │ │ ││ ││ │ PCI Endpoint │ │ PCI Host │ ││ │ │ │