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

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>
2026-11-08 18:57:22 +00:00 · 2025-05-23 12:19:30 +02:00 · 2025-05-23 12:19:30 +02:00 · 6b72fd1705
commit 6b72fd1705
parent 76eeb9b8de
7 changed files with 256 additions and 0 deletions
--- a/arch/riscv/include/asm/kvm_host.h
+++ b/arch/riscv/include/asm/kvm_host.h
--- a/arch/riscv/include/asm/kvm_vcpu_sbi.h
+++ b/arch/riscv/include/asm/kvm_vcpu_sbi.h
--- a/arch/riscv/include/asm/kvm_vcpu_sbi_fwft.h
+++ b/arch/riscv/include/asm/kvm_vcpu_sbi_fwft.h
--- a/arch/riscv/include/uapi/asm/kvm.h
+++ b/arch/riscv/include/uapi/asm/kvm.h
--- a/arch/riscv/kvm/Makefile
+++ b/arch/riscv/kvm/Makefile
--- a/arch/riscv/kvm/vcpu_sbi.c
+++ b/arch/riscv/kvm/vcpu_sbi.c
--- a/arch/riscv/kvm/vcpu_sbi_fwft.c
+++ b/arch/riscv/kvm/vcpu_sbi_fwft.c