[PATCH 0/3] Add RC-to-EP doorbell with platform MSI controller

Frank Li frank.li at nxp.com
Fri May 12 07:45:12 PDT 2023


> 
> This patches add new API to pci-epf-core, so any EP driver can use it.
> 
> The key point is comments from Thomas Gleixner, who suggest use new
> PCI/IMS. But arm platform change still not be merged yet.
> 
> git://git.kernel.org/pub/scm/linux/kernel/git/tglx/devel.git devmsi-v2-arm
> 
> So I still use existed method implement RC to EP doorbell.
> 
> If Thomas Gleixner want to continue work on devmsi-v2-arm, I can help test
> and update this patch.
> 

Ping?

> Frank Li (3):
>   PCI: endpoint: Add RC-to-EP doorbell support using platform MSI
>     controller
>   misc: pci_endpoint_test: Add doorbell test case
>   tools: PCI: Add 'B' option for test doorbell
> 
>  drivers/misc/pci_endpoint_test.c    |  41 +++++++++++
>  drivers/pci/endpoint/pci-epf-core.c | 109
> ++++++++++++++++++++++++++++
>  include/linux/pci-epf.h             |  16 ++++
>  include/uapi/linux/pcitest.h        |   1 +
>  tools/pci/pcitest.c                 |  16 +++-
>  5 files changed, 182 insertions(+), 1 deletion(-)
> 
> --
> 2.34.1



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