RISC-V: KVM: Add in-kernel virtualization of AIA IMSIC

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We can have AIA IMSIC support for both HS-level and VS-level but
the VS-level IMSICs are optional. We use the VS-level IMSICs for
Guest/VM whenever available otherwise we fallback to software
emulation of AIA IMSIC.

This patch adds in-kernel virtualization of AIA IMSIC.

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 13:03:52 +05:30 • committed by Anup Patel

parent 289a007b98

commit db8b7e97d6

3 changed files with 925 additions and 36 deletions

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46

arch/riscv/include/asm/kvm_aia.h

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1

arch/riscv/kvm/Makefile

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914

arch/riscv/kvm/aia_imsic.c

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