[0/6] Add RISC-V KVM AIA Support

Message

Yong-Xuan Wang April 24, 2023, 9:07 a.m. UTC

This series introduces support for KVM AIA in the RISC-V architecture. The
implementation is refered to Anup's KVM AIA implementation in kvmtool
(https://github.com/avpatel/kvmtool.git). To test these patches, a Linux kernel
with KVM AIA support is required, which can be found in the qemu_kvm_aia branch
at https://github.com/yong-xuan/linux.git. This kernel branch is based on the
riscv_aia_v1 branch from https://github.com/avpatel/linux.git and includes two
additional patches.


Yong-Xuan Wang (6):
  update-linux-headers: sync-up header with Linux for KVM AIA support
  target/riscv: support the AIA device emulateion with KVM enabled
  target/riscv: check the in-kernel irqchip support
  target/riscv: Create an KVM AIA irqchip
  target/riscv: update APLIC and IMSIC to support KVM AIA
  target/riscv: select KVM AIA in riscv virt machine

 hw/intc/riscv_aplic.c     |  19 +++-
 hw/intc/riscv_imsic.c     |  16 ++-
 hw/riscv/virt.c           | 214 +++++++++++++++++++++-----------------
 linux-headers/linux/kvm.h |   2 +
 target/riscv/kvm.c        |  96 ++++++++++++++++-
 target/riscv/kvm_riscv.h  |  36 +++++++
 6 files changed, 277 insertions(+), 106 deletions(-)

Comments

Daniel Henrique Barboza April 27, 2023, 8:23 p.m. UTC | #1

Hi,

The patches seems to be based on an old QEMU code base. E.g. patch 2 does not
have the changes made by 568e0614d097 that was merged in January this year.

Can you please re-send the series based on top of Alistair's riscv-to-apply.next
(https://github.com/alistair23/qemu/tree/riscv-to-apply.next)?


Thanks,


Daniel




On 4/24/23 06:07, Yong-Xuan Wang wrote:
> This series introduces support for KVM AIA in the RISC-V architecture. The
> implementation is refered to Anup's KVM AIA implementation in kvmtool
> (https://github.com/avpatel/kvmtool.git). To test these patches, a Linux kernel
> with KVM AIA support is required, which can be found in the qemu_kvm_aia branch
> at https://github.com/yong-xuan/linux.git. This kernel branch is based on the
> riscv_aia_v1 branch from https://github.com/avpatel/linux.git and includes two
> additional patches.
> 
> 
> Yong-Xuan Wang (6):
>    update-linux-headers: sync-up header with Linux for KVM AIA support
>    target/riscv: support the AIA device emulateion with KVM enabled
>    target/riscv: check the in-kernel irqchip support
>    target/riscv: Create an KVM AIA irqchip
>    target/riscv: update APLIC and IMSIC to support KVM AIA
>    target/riscv: select KVM AIA in riscv virt machine
> 
>   hw/intc/riscv_aplic.c     |  19 +++-
>   hw/intc/riscv_imsic.c     |  16 ++-
>   hw/riscv/virt.c           | 214 +++++++++++++++++++++-----------------
>   linux-headers/linux/kvm.h |   2 +
>   target/riscv/kvm.c        |  96 ++++++++++++++++-
>   target/riscv/kvm_riscv.h  |  36 +++++++
>   6 files changed, 277 insertions(+), 106 deletions(-)
>