dw_pcie_ep_raise_msix_irq(9)

💅 dw_pcie_ep_raise_msix_irq(9) — Kernel API Manual 💅

okay bestie, welcome to the Kernel API Manual page for this little endpoint interrupt icon. it’s giving “Raise MSI-X to the host,” and we’re gonna walk it together, no cap. ✨

✨ NAME ✨

dw_pcie_ep_raise_msix_irq — Raise MSI-X to the host. that’s the whole job, and she’s serving it 💅

🌸 SYNOPSIS 🌸

int dw_pcie_ep_raise_msix_irq (struct dw_pcie_ep *ep , u8 func_no , u16
       interrupt_num );

three args, one int return, very main character energy 🫶

🎀 ARGUMENTS 🎀

• ep — DWC EP device. like, the endpoint device itself, the actual vibe.
• func_no — Function number of the endpoint device. which function we’re repping, iykyk.
• interrupt_num — Interrupt number to be raised. the interrupt number that’s getting raised, periodt.

🔥 RETURN 🔥

0 if success, errno otherwise. zero is the slay; anything else is the errno situation 😭

🌈 SEE ALSO 🌈

Kernel file: ./drivers/pci/controller/dwc/pcie-designware-ep.c — the source-file ref, bestie.

• dw_pcie_ep_get_func_from_ep(9)
• dw_pcie_ep_reset_bar(9)
• dw_pcie_ep_raise_intx_irq(9)
• dw_pcie_ep_raise_msi_irq(9)
• dw_pcie_ep_raise_msix_irq_doorbell(9)
• dw_pcie_ep_cleanup(9)
• dw_pcie_ep_deinit(9)
• dw_pcie_ep_init_registers(9)
• dw_pcie_ep_linkup(9)
• dw_pcie_ep_linkdown(9)
• dw_pcie_ep_init(9)

xoxo 💖 this iconic page is from the Kernel API Manual, source/version ./drivers/pci/controller/dwc, dated October 2026. bye bestie, go raise that MSI-X 🦋