RISC-V: KVM: Expose IMSIC registers as attributes of AIA irqchip

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We expose IMSIC registers as KVM device attributes of the in-kernel
AIA irqchip device. This will allow KVM user-space to save/restore
IMISC state of each VCPU using KVM device ioctls().

Signed-off-by: Anup Patel <apatel@ventanamicro.com>
Reviewed-by: Atish Patra <atishp@rivosinc.com>
Signed-off-by: Anup Patel <anup@brainfault.org>

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Anup Patel 2023-06-15 13:03:53 +05:30 • committed by Anup Patel

parent db8b7e97d6

commit 5463091a51

4 changed files with 217 additions and 2 deletions

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3

arch/riscv/include/asm/kvm_aia.h

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17

arch/riscv/include/uapi/asm/kvm.h

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29

arch/riscv/kvm/aia_device.c

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170

arch/riscv/kvm/aia_imsic.c

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