Message ID | 20230419221716.3603068-12-atishp@rivosinc.com (mailing list archive) |
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State | New |
Headers | show
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Wed, 19 Apr 2023 15:17:54 -0700 (PDT) Received: from atishp.ba.rivosinc.com ([66.220.2.162]) by smtp.gmail.com with ESMTPSA id jn11-20020a170903050b00b00196807b5189sm11619190plb.292.2023.04.19.15.17.52 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 19 Apr 2023 15:17:53 -0700 (PDT) From: Atish Patra <atishp@rivosinc.com> To: linux-kernel@vger.kernel.org Cc: Atish Patra <atishp@rivosinc.com>, Alexandre Ghiti <alex@ghiti.fr>, Andrew Jones <ajones@ventanamicro.com>, Andrew Morton <akpm@linux-foundation.org>, Anup Patel <anup@brainfault.org>, Atish Patra <atishp@atishpatra.org>, =?utf-8?b?QmrDtnJuIFTDtnBlbA==?= <bjorn@rivosinc.com>, Suzuki K Poulose <suzuki.poulose@arm.com>, Will Deacon <will@kernel.org>, Marc Zyngier <maz@kernel.org>, Sean Christopherson <seanjc@google.com>, linux-coco@lists.linux.dev, Dylan Reid <dylan@rivosinc.com>, abrestic@rivosinc.com, Samuel Ortiz <sameo@rivosinc.com>, Christoph Hellwig <hch@infradead.org>, Conor Dooley <conor.dooley@microchip.com>, Greg Kroah-Hartman <gregkh@linuxfoundation.org>, Guo Ren <guoren@kernel.org>, Heiko Stuebner <heiko@sntech.de>, Jiri Slaby <jirislaby@kernel.org>, kvm-riscv@lists.infradead.org, kvm@vger.kernel.org, linux-mm@kvack.org, linux-riscv@lists.infradead.org, Mayuresh Chitale <mchitale@ventanamicro.com>, Palmer Dabbelt <palmer@dabbelt.com>, Paolo Bonzini <pbonzini@redhat.com>, Paul Walmsley <paul.walmsley@sifive.com>, Rajnesh Kanwal <rkanwal@rivosinc.com>, Uladzislau Rezki <urezki@gmail.com> Subject: [RFC 11/48] RISC-V: KVM: Use the new VM IOCTL for measuring pages Date: Wed, 19 Apr 2023 15:16:39 -0700 Message-Id: <20230419221716.3603068-12-atishp@rivosinc.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230419221716.3603068-1-atishp@rivosinc.com> References: <20230419221716.3603068-1-atishp@rivosinc.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Stat-Signature: 6upgmex9qga7gqi1fhaks8w83tix4jtf X-Rspam-User: X-Rspamd-Queue-Id: 08161C000E X-Rspamd-Server: rspam06 X-HE-Tag: 1681942674-960177 X-HE-Meta: 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 /B+LYJ/9 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: <linux-mm.kvack.org> |
Series |
RISC-V CoVE support
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expand
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diff --git a/arch/riscv/kvm/vm.c b/arch/riscv/kvm/vm.c index 29d3221..1b59a8f 100644 --- a/arch/riscv/kvm/vm.c +++ b/arch/riscv/kvm/vm.c @@ -11,6 +11,7 @@ #include <linux/module.h> #include <linux/uaccess.h> #include <linux/kvm_host.h> +#include <asm/kvm_cove.h> const struct _kvm_stats_desc kvm_vm_stats_desc[] = { KVM_GENERIC_VM_STATS() @@ -209,5 +210,20 @@ int kvm_vm_ioctl_check_extension(struct kvm *kvm, long ext) long kvm_arch_vm_ioctl(struct file *filp, unsigned int ioctl, unsigned long arg) { - return -EINVAL; + struct kvm *kvm = filp->private_data; + void __user *argp = (void __user *)arg; + struct kvm_riscv_cove_measure_region mr; + + switch (ioctl) { + case KVM_RISCV_COVE_MEASURE_REGION: + if (!is_cove_vm(kvm)) + return -EINVAL; + if (copy_from_user(&mr, argp, sizeof(mr))) + return -EFAULT; + + return kvm_riscv_cove_vm_measure_pages(kvm, &mr); + default: + return -EINVAL; + } + }
The newly introduced VM IOCTL allow the VMM to measure the pages used to load the blobs. Hookup the VM ioctl. Signed-off-by: Atish Patra <atishp@rivosinc.com> --- arch/riscv/kvm/vm.c | 18 +++++++++++++++++- 1 file changed, 17 insertions(+), 1 deletion(-)