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Tue, 28 Nov 2023 06:57:07 -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 07/10] riscv: Add Smstateen extension support Date: Tue, 28 Nov 2023 20:26:25 +0530 Message-Id: <20231128145628.413414-8-apatel@ventanamicro.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20231128145628.413414-1-apatel@ventanamicro.com> References: <20231128145628.413414-1-apatel@ventanamicro.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20231128_065708_329846_6EB27D9F X-CRM114-Status: GOOD ( 10.40 ) X-Spam-Score: -0.2 (/) X-Spam-Report: Spam detection software, running on the system "bombadil.infradead.org", has NOT identified this incoming email as spam. The original message has been attached to this so you can view it or label similar future email. If you have any questions, see the administrator of that system for details. Content preview: 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 --- riscv/fdt.c | 1 + riscv/include/kvm/kvm-config-arch.h | 3 +++ 2 files changed, 4 insertions(+) Content analysis details: (-0.2 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at https://www.dnswl.org/, no trust [2607:f8b0:4864:20:0:0:0:634 listed in] [list.dnswl.org] -0.0 SPF_PASS SPF: sender matches SPF record 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain X-BeenThere: kvm-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "kvm-riscv" Errors-To: kvm-riscv-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org 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 --- 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"), \