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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>,
        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>,
        Jiri Slaby <jirislaby@kernel.org>,
        kvm-riscv@lists.infradead.org, kvm@vger.kernel.org,
        linux-mm@kvack.org, linux-riscv@lists.infradead.org,
        Palmer Dabbelt <palmer@dabbelt.com>,
        Paolo Bonzini <pbonzini@redhat.com>,
        Rajnesh Kanwal <rkanwal@rivosinc.com>,
        Uladzislau Rezki <urezki@gmail.com>
Subject: [RFC kvmtool 01/10] riscv: Add a CoVE VM type.
Date:   Wed, 19 Apr 2023 15:23:41 -0700
Message-Id: <20230419222350.3604274-2-atishp@rivosinc.com>
In-Reply-To: <20230419222350.3604274-1-atishp@rivosinc.com>
References: <20230419222350.3604274-1-atishp@rivosinc.com>
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The KVM needs to distinguish if an user wants to create a CoVE VM instead
of a traditional VM. Define a RISC-V specific CoVE VM type that can be
passed as a VM type.

Signed-off-by: Atish Patra <atishp@rivosinc.com>
---
 include/linux/kvm.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/include/linux/kvm.h b/include/linux/kvm.h
index ba4c4b0..000d2b9 100644
--- a/include/linux/kvm.h
+++ b/include/linux/kvm.h
@@ -911,6 +911,8 @@ struct kvm_ppc_resize_hpt {
 #define KVM_VM_TYPE_ARM_IPA_SIZE_MASK	0xffULL
 #define KVM_VM_TYPE_ARM_IPA_SIZE(x)		\
 	((x) & KVM_VM_TYPE_ARM_IPA_SIZE_MASK)
+
+#define KVM_VM_TYPE_RISCV_COVE  (1UL << 9)
 /*
  * ioctls for /dev/kvm fds:
  */
-- 
2.25.1