[kvmtool PATCH 6/6] riscv: Add Ssnpm extension support

Anup Patel apatel at ventanamicro.com
Mon Jan 27 05:24:24 PST 2025


When the Ssnpm extension is available expose it to the guest
via device tree so that guest can use it.

Signed-off-by: Anup Patel <apatel at 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 4c9dbc1..03113cc 100644
--- a/riscv/fdt.c
+++ b/riscv/fdt.c
@@ -20,6 +20,7 @@ struct isa_ext_info isa_info_arr[] = {
 	{"smstateen", KVM_RISCV_ISA_EXT_SMSTATEEN},
 	{"ssaia", KVM_RISCV_ISA_EXT_SSAIA},
 	{"sscofpmf", KVM_RISCV_ISA_EXT_SSCOFPMF},
+	{"ssnpm", KVM_RISCV_ISA_EXT_SSNPM},
 	{"sstc", KVM_RISCV_ISA_EXT_SSTC},
 	{"svade", KVM_RISCV_ISA_EXT_SVADE},
 	{"svadu", KVM_RISCV_ISA_EXT_SVADU},
diff --git a/riscv/include/kvm/kvm-config-arch.h b/riscv/include/kvm/kvm-config-arch.h
index 5eccdd0..e56610b 100644
--- a/riscv/include/kvm/kvm-config-arch.h
+++ b/riscv/include/kvm/kvm-config-arch.h
@@ -37,6 +37,9 @@ struct kvm_config_arch {
 	OPT_BOOLEAN('\0', "disable-sscofpmf",				\
 		    &(cfg)->ext_disabled[KVM_RISCV_ISA_EXT_SSCOFPMF],	\
 		    "Disable Sscofpmf Extension"),			\
+	OPT_BOOLEAN('\0', "disable-ssnpm",				\
+		    &(cfg)->ext_disabled[KVM_RISCV_ISA_EXT_SSNPM],	\
+		    "Disable Ssnpm Extension"),				\
 	OPT_BOOLEAN('\0', "disable-sstc",				\
 		    &(cfg)->ext_disabled[KVM_RISCV_ISA_EXT_SSTC],	\
 		    "Disable Sstc Extension"),				\
-- 
2.43.0




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