[PATCH kvmtool 7/8] riscv: Add Ssaia extension support

Anup Patel
2023-05-10T08:39:43Z

When the Ssaia extension is available expose it to the guest.

Signed-off-by: Anup Patel <apatel@ventanamicro.com>
---
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 a76dc37..df71ed4 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 */
+ {"ssaia", KVM_RISCV_ISA_EXT_SSAIA},
{"sstc", KVM_RISCV_ISA_EXT_SSTC},
{"svinval", KVM_RISCV_ISA_EXT_SVINVAL},
{"svpbmt", KVM_RISCV_ISA_EXT_SVPBMT},
diff --git a/riscv/include/kvm/kvm-config-arch.h b/riscv/include/kvm/kvm-config-arch.h
index b12605d..b0a7e25 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-ssaia", \
+ &(cfg)->ext_disabled[KVM_RISCV_ISA_EXT_SSAIA], \
+ "Disable Ssaia Extension"), \
OPT_BOOLEAN('\0', "disable-sstc", \
&(cfg)->ext_disabled[KVM_RISCV_ISA_EXT_SSTC], \
"Disable Sstc Extension"), \
--
2.34.1