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 │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ └────────────┘ └───────────────────────────────────┘ └────────────────┘
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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,