When the Smstateen extension is available expose it to the guest
via device tree so that guest can use it.
Signed-off-by: Anup Patel <apatel@xxxxxxxxxxxxxxxx>
---
riscv/fdt.c | 1 +
riscv/include/kvm/kvm-config-arch.h | 3 +++
2 files changed, 4 insertions(+)
diff --git a/riscv/fdt.c b/riscv/fdt.c
index a4d54eb..0fe0f0b 100644
--- a/riscv/fdt.c
+++ b/riscv/fdt.c
@@ -16,6 +16,7 @@ struct isa_ext_info {
struct isa_ext_info isa_info_arr[] = {
/* sorted alphabetically */
+ {"smstateen", KVM_RISCV_ISA_EXT_SMSTATEEN},
{"ssaia", KVM_RISCV_ISA_EXT_SSAIA},
{"sstc", KVM_RISCV_ISA_EXT_SSTC},
{"svinval", KVM_RISCV_ISA_EXT_SVINVAL},
diff --git a/riscv/include/kvm/kvm-config-arch.h b/riscv/include/kvm/kvm-config-arch.h
index c524771..49eb3e6 100644
--- a/riscv/include/kvm/kvm-config-arch.h
+++ b/riscv/include/kvm/kvm-config-arch.h
@@ -25,6 +25,9 @@ struct kvm_config_arch {
OPT_U64('\0', "custom-mimpid", \
&(cfg)->custom_mimpid, \
"Show custom mimpid to Guest VCPU"), \
+ OPT_BOOLEAN('\0', "disable-smstateen", \
+ &(cfg)->ext_disabled[KVM_RISCV_ISA_EXT_SMSTATEEN], \
+ "Disable Smstateen Extension"), \
OPT_BOOLEAN('\0', "disable-ssaia", \
&(cfg)->ext_disabled[KVM_RISCV_ISA_EXT_SSAIA], \
"Disable Ssaia Extension"), \
--
2.34.1
