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[PATCH v4 0/6] Add RISC-V KVM AIA Support

From: Yong-Xuan Wang
Subject: [PATCH v4 0/6] Add RISC-V KVM AIA Support
Date: Wed, 21 Jun 2023 14:54:50 +0000

This series adds support for KVM AIA in RISC-V architecture.

In order to test these patches, we require Linux with KVM AIA support which can
be found in the riscv_kvm_aia_hwaccel_v1 branch at

- update the linux header by the scripts/update-linux-headers.sh in PATCH1
- remove the checking for "aplic_m" before creating S-mode APLIC device in 
- add more setting when we initialize the KVM AIA chip in PATCH4
- fix msi message delivery and the APLIC devices emulation in PATCH5
- fix the AIA devices mapping with NUMA enabled in PATCH6
- add "kvm-aia" parameter to sepecify the KVM AIA mode in PATCH6

- fix typo
- tag the linux-header patch as placeholder

- rebase to riscv-to-apply.next
- update the linux header by the scripts/update-linux-headers.sh

Yong-Xuan Wang (6):
  update-linux-headers: sync-up header with Linux for KVM AIA support
  target/riscv: support the AIA device emulation 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         |  58 +++++--
 hw/intc/riscv_imsic.c         |  26 ++-
 hw/riscv/virt.c               | 297 +++++++++++++++++++++-------------
 include/hw/riscv/virt.h       |   1 +
 linux-headers/asm-riscv/kvm.h | 123 +++++++++++++-
 linux-headers/linux/kvm.h     |   2 +
 target/riscv/kvm.c            | 176 +++++++++++++++++++-
 target/riscv/kvm_riscv.h      |   6 +
 8 files changed, 554 insertions(+), 135 deletions(-)


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