Hi Kashyap, On Tue, Feb 18, 2025 at 11:53 PM Kashyap Chamarthy <kcham...@redhat.com> wrote: > > On Mon, Feb 17, 2025 at 04:17:20PM +0800, Yong-Xuan Wang wrote: > > This series introduces the user-space AIA MSI emulation when using KVM > > acceleration. > > > > After this series, RISC-V QEMU virt machine with KVM acceleration has > > 3 parameters to control the type of irqchip and its emulation method: > > - Machine prop "aia" controls the type of irqchip > > - none: use PLIC and emulated in user-space > > - aplic: use AIA wired and emulated in user-space > > - aplic-imsic: use AIA MSI, emulation mode is determined by > > "kernel-irqchip" and "riscv-imsic" > > - Accel prop "kernel-irqchip", effective with AIA MSI > > - on: in-kernel APLIC and in-kernel IMSIC > > - off: user-space APLIC and user-space IMSIC > > - split: user-space APLIC and in-kernel IMSIC > > - Accel prop "kernel-irqchip", effective with in-kernel IMSIC > > - emul: use MRIF as in-kernel IMSIC > > - hw: use hardware guest IMSIC file as in-kernel IMSIC > > - auto: use the hardware guest IMSICs whenever available otherwise > > fallback to MRIF > > Hi; as someone new to the RISC-V ecosystem, most of these acronyms feel > impenetrable :-) I see they're all RISC-V interrupt-handling related > terms. I hope you don't mind my spelling them out here: > > - AIA : Advanced Interrupt Architecture > - MSI : Message Signaled Interrupts > - PLIC : Platform-Level Interrupt Controller > - APLIC : Advanced Platform Level Interrupt Controller > - IMSIC : Incoming Message Signaled Interrupt Controller > - MRIF : Message Routed Interrupt Facility > > [...] > > -- > /kashyap >
Sure. I would add them into the next version. Thank you! Regards, Yong-Xuan
