riscv: Add Svnapot extension support
When the Svnapot extension is available expose it to the guest via
device tree so that guest can use it.
Signed-off-by: Anup Patel <apatel@ventanamicro.com>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Link: https://lore.kernel.org/r/20231118132847.758785-3-apatel@ventanamicro.com
Signed-off-by: Will Deacon <will@kernel.org>
diff --git a/riscv/fdt.c b/riscv/fdt.c
index df71ed4..2724c6e 100644
--- a/riscv/fdt.c
+++ b/riscv/fdt.c
@@ -19,6 +19,7 @@
{"ssaia", KVM_RISCV_ISA_EXT_SSAIA},
{"sstc", KVM_RISCV_ISA_EXT_SSTC},
{"svinval", KVM_RISCV_ISA_EXT_SVINVAL},
+ {"svnapot", KVM_RISCV_ISA_EXT_SVNAPOT},
{"svpbmt", KVM_RISCV_ISA_EXT_SVPBMT},
{"zbb", KVM_RISCV_ISA_EXT_ZBB},
{"zicbom", KVM_RISCV_ISA_EXT_ZICBOM},
diff --git a/riscv/include/kvm/kvm-config-arch.h b/riscv/include/kvm/kvm-config-arch.h
index b0a7e25..863baea 100644
--- a/riscv/include/kvm/kvm-config-arch.h
+++ b/riscv/include/kvm/kvm-config-arch.h
@@ -34,6 +34,9 @@
OPT_BOOLEAN('\0', "disable-svinval", \
&(cfg)->ext_disabled[KVM_RISCV_ISA_EXT_SVINVAL], \
"Disable Svinval Extension"), \
+ OPT_BOOLEAN('\0', "disable-svnapot", \
+ &(cfg)->ext_disabled[KVM_RISCV_ISA_EXT_SVNAPOT], \
+ "Disable Svnapot Extension"), \
OPT_BOOLEAN('\0', "disable-svpbmt", \
&(cfg)->ext_disabled[KVM_RISCV_ISA_EXT_SVPBMT], \
"Disable Svpbmt Extension"), \
