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RISC-V: KVM: add support for FWFT SBI extension

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Add basic infrastructure to support the FWFT extension in KVM.

Signed-off-by: Clément Léger <cleger@rivosinc.com>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Reviewed-by: Atish Patra <atishp@rivosinc.com>
Link: https://lore.kernel.org/r/20250523101932.1594077-14-cleger@rivosinc.com
Signed-off-by: Anup Patel <anup@brainfault.org>
This commit is contained in:
Clément Léger
2025-05-23 12:19:30 +02:00
committed by Anup Patel
parent 76eeb9b8de
commit 6b72fd1705
7 changed files with 256 additions and 0 deletions
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arch/riscv/include/uapi/asm/kvm.h
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@@ -205,6 +205,7 @@ enum KVM_RISCV_SBI_EXT_ID {
KVM_RISCV_SBI_EXT_DBCN,
KVM_RISCV_SBI_EXT_STA,
KVM_RISCV_SBI_EXT_SUSP,
KVM_RISCV_SBI_EXT_FWFT,
KVM_RISCV_SBI_EXT_MAX,
};