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Mon, 27 Jan 2025 05:25:02 -0800 (PST) From: Anup Patel To: Will Deacon , julien.thierry.kdev@gmail.com, maz@kernel.org Cc: Paolo Bonzini , Atish Patra , Andrew Jones , Anup Patel , kvm@vger.kernel.org, kvm-riscv@lists.infradead.org, Anup Patel Subject: [kvmtool PATCH 5/6] riscv: Add Smnpm extension support Date: Mon, 27 Jan 2025 18:54:23 +0530 Message-ID: <20250127132424.339957-6-apatel@ventanamicro.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250127132424.339957-1-apatel@ventanamicro.com> References: <20250127132424.339957-1-apatel@ventanamicro.com> Precedence: bulk X-Mailing-List: kvm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 When the Smnpm extension is available expose it to the guest via device tree so that guest can use it. Signed-off-by: Anup Patel --- 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 7f774f8..4c9dbc1 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 */ + {"smnpm", KVM_RISCV_ISA_EXT_SMNPM}, {"smstateen", KVM_RISCV_ISA_EXT_SMSTATEEN}, {"ssaia", KVM_RISCV_ISA_EXT_SSAIA}, {"sscofpmf", KVM_RISCV_ISA_EXT_SSCOFPMF}, diff --git a/riscv/include/kvm/kvm-config-arch.h b/riscv/include/kvm/kvm-config-arch.h index e3eeb84..5eccdd0 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-smnpm", \ + &(cfg)->ext_disabled[KVM_RISCV_ISA_EXT_SMNPM], \ + "Disable Smnpm Extension"), \ OPT_BOOLEAN('\0', "disable-smstateen", \ &(cfg)->ext_disabled[KVM_RISCV_ISA_EXT_SMSTATEEN], \ "Disable Smstateen Extension"), \