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Wed, 19 Apr 2023 15:24:15 -0700 (PDT) Received: from atishp.ba.rivosinc.com ([66.220.2.162]) by smtp.gmail.com with ESMTPSA id e4-20020a170902744400b001a681fb3e77sm11867810plt.44.2023.04.19.15.24.14 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 19 Apr 2023 15:24:15 -0700 (PDT) From: Atish Patra To: linux-kernel@vger.kernel.org Cc: Atish Patra , Alexandre Ghiti , Andrew Jones , Andrew Morton , Anup Patel , Atish Patra , Suzuki K Poulose , Will Deacon , Marc Zyngier , Sean Christopherson , linux-coco@lists.linux.dev, Dylan Reid , abrestic@rivosinc.com, Samuel Ortiz , Jiri Slaby , kvm-riscv@lists.infradead.org, kvm@vger.kernel.org, linux-mm@kvack.org, linux-riscv@lists.infradead.org, Palmer Dabbelt , Paolo Bonzini , Rajnesh Kanwal , Uladzislau Rezki Subject: [RFC kvmtool 07/10] riscv: Define riscv specific vm_type function Date: Wed, 19 Apr 2023 15:23:47 -0700 Message-Id: <20230419222350.3604274-8-atishp@rivosinc.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230419222350.3604274-1-atishp@rivosinc.com> References: <20230419222350.3604274-1-atishp@rivosinc.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230419_152415_867424_F89D208A X-CRM114-Status: GOOD ( 10.84 ) X-BeenThere: linux-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: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org RISC-V supports CoVE VMs now. It needs to setup correct VM type if the user requests it. Signed-off-by: Atish Patra --- riscv/kvm.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/riscv/kvm.c b/riscv/kvm.c index 5f9b0d5..e728790 100644 --- a/riscv/kvm.c +++ b/riscv/kvm.c @@ -39,6 +39,18 @@ u64 kvm__arch_default_ram_address(void) return RISCV_RAM; } +int kvm__get_vm_type(struct kvm *kvm) +{ + if (kvm->cfg.arch.cove_vm) { + if (__riscv_xlen == 64) + return KVM_VM_TYPE_RISCV_COVE; + else + die("CoVE VM is not supported in RV32\n"); + } else { + return KVM_VM_TYPE; + } +} + void kvm__arch_validate_cfg(struct kvm *kvm) { }