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

[Manivannan Sadhasivam]

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 at kernel.org>