From: "Clément Léger" <cleger@rivosinc.com> To: Jonathan Corbet <corbet@lwn.net>, Paul Walmsley <paul.walmsley@sifive.com>, Palmer Dabbelt <palmer@dabbelt.com>, Albert Ou <aou@eecs.berkeley.edu>, Conor Dooley <conor@kernel.org>, Rob Herring <robh@kernel.org>, Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>, Anup Patel <anup@brainfault.org>, Shuah Khan <shuah@kernel.org> Cc: "Clément Léger" <cleger@rivosinc.com>, "Atish Patra" <atishp@atishpatra.org>, linux-doc@vger.kernel.org, linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, kvm@vger.kernel.org, kvm-riscv@lists.infradead.org, linux-kselftest@vger.kernel.org Subject: [PATCH 4/5] RISC-V: KVM: Allow Zimop extension for Guest/VM Date: Thu, 4 Apr 2024 12:32:50 +0200 [thread overview] Message-ID: <20240404103254.1752834-5-cleger@rivosinc.com> (raw) In-Reply-To: <20240404103254.1752834-1-cleger@rivosinc.com> Extend the KVM ISA extension ONE_REG interface to allow KVM user space to detect and enable Zimop extension for Guest/VM. Signed-off-by: Clément Léger <cleger@rivosinc.com> --- arch/riscv/include/uapi/asm/kvm.h | 1 + arch/riscv/kvm/vcpu_onereg.c | 2 ++ 2 files changed, 3 insertions(+) diff --git a/arch/riscv/include/uapi/asm/kvm.h b/arch/riscv/include/uapi/asm/kvm.h index b1c503c2959c..35a12aa1953e 100644 --- a/arch/riscv/include/uapi/asm/kvm.h +++ b/arch/riscv/include/uapi/asm/kvm.h @@ -167,6 +167,7 @@ enum KVM_RISCV_ISA_EXT_ID { KVM_RISCV_ISA_EXT_ZFA, KVM_RISCV_ISA_EXT_ZTSO, KVM_RISCV_ISA_EXT_ZACAS, + KVM_RISCV_ISA_EXT_ZIMOP, KVM_RISCV_ISA_EXT_MAX, }; diff --git a/arch/riscv/kvm/vcpu_onereg.c b/arch/riscv/kvm/vcpu_onereg.c index f4a6124d25c9..c6ee763422f2 100644 --- a/arch/riscv/kvm/vcpu_onereg.c +++ b/arch/riscv/kvm/vcpu_onereg.c @@ -60,6 +60,7 @@ static const unsigned long kvm_isa_ext_arr[] = { KVM_ISA_EXT_ARR(ZIHINTNTL), KVM_ISA_EXT_ARR(ZIHINTPAUSE), KVM_ISA_EXT_ARR(ZIHPM), + KVM_ISA_EXT_ARR(ZIMOP), KVM_ISA_EXT_ARR(ZKND), KVM_ISA_EXT_ARR(ZKNE), KVM_ISA_EXT_ARR(ZKNH), @@ -137,6 +138,7 @@ static bool kvm_riscv_vcpu_isa_disable_allowed(unsigned long ext) case KVM_RISCV_ISA_EXT_ZIHINTNTL: case KVM_RISCV_ISA_EXT_ZIHINTPAUSE: case KVM_RISCV_ISA_EXT_ZIHPM: + case KVM_RISCV_ISA_EXT_ZIMOP: case KVM_RISCV_ISA_EXT_ZKND: case KVM_RISCV_ISA_EXT_ZKNE: case KVM_RISCV_ISA_EXT_ZKNH: -- 2.43.0
WARNING: multiple messages have this Message-ID (diff)
From: "Clément Léger" <cleger@rivosinc.com> To: Jonathan Corbet <corbet@lwn.net>, Paul Walmsley <paul.walmsley@sifive.com>, Palmer Dabbelt <palmer@dabbelt.com>, Albert Ou <aou@eecs.berkeley.edu>, Conor Dooley <conor@kernel.org>, Rob Herring <robh@kernel.org>, Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>, Anup Patel <anup@brainfault.org>, Shuah Khan <shuah@kernel.org> Cc: "Clément Léger" <cleger@rivosinc.com>, "Atish Patra" <atishp@atishpatra.org>, linux-doc@vger.kernel.org, linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, kvm@vger.kernel.org, kvm-riscv@lists.infradead.org, linux-kselftest@vger.kernel.org Subject: [PATCH 4/5] RISC-V: KVM: Allow Zimop extension for Guest/VM Date: Thu, 4 Apr 2024 12:32:50 +0200 [thread overview] Message-ID: <20240404103254.1752834-5-cleger@rivosinc.com> (raw) In-Reply-To: <20240404103254.1752834-1-cleger@rivosinc.com> Extend the KVM ISA extension ONE_REG interface to allow KVM user space to detect and enable Zimop extension for Guest/VM. Signed-off-by: Clément Léger <cleger@rivosinc.com> --- arch/riscv/include/uapi/asm/kvm.h | 1 + arch/riscv/kvm/vcpu_onereg.c | 2 ++ 2 files changed, 3 insertions(+) diff --git a/arch/riscv/include/uapi/asm/kvm.h b/arch/riscv/include/uapi/asm/kvm.h index b1c503c2959c..35a12aa1953e 100644 --- a/arch/riscv/include/uapi/asm/kvm.h +++ b/arch/riscv/include/uapi/asm/kvm.h @@ -167,6 +167,7 @@ enum KVM_RISCV_ISA_EXT_ID { KVM_RISCV_ISA_EXT_ZFA, KVM_RISCV_ISA_EXT_ZTSO, KVM_RISCV_ISA_EXT_ZACAS, + KVM_RISCV_ISA_EXT_ZIMOP, KVM_RISCV_ISA_EXT_MAX, }; diff --git a/arch/riscv/kvm/vcpu_onereg.c b/arch/riscv/kvm/vcpu_onereg.c index f4a6124d25c9..c6ee763422f2 100644 --- a/arch/riscv/kvm/vcpu_onereg.c +++ b/arch/riscv/kvm/vcpu_onereg.c @@ -60,6 +60,7 @@ static const unsigned long kvm_isa_ext_arr[] = { KVM_ISA_EXT_ARR(ZIHINTNTL), KVM_ISA_EXT_ARR(ZIHINTPAUSE), KVM_ISA_EXT_ARR(ZIHPM), + KVM_ISA_EXT_ARR(ZIMOP), KVM_ISA_EXT_ARR(ZKND), KVM_ISA_EXT_ARR(ZKNE), KVM_ISA_EXT_ARR(ZKNH), @@ -137,6 +138,7 @@ static bool kvm_riscv_vcpu_isa_disable_allowed(unsigned long ext) case KVM_RISCV_ISA_EXT_ZIHINTNTL: case KVM_RISCV_ISA_EXT_ZIHINTPAUSE: case KVM_RISCV_ISA_EXT_ZIHPM: + case KVM_RISCV_ISA_EXT_ZIMOP: case KVM_RISCV_ISA_EXT_ZKND: case KVM_RISCV_ISA_EXT_ZKNE: case KVM_RISCV_ISA_EXT_ZKNH: -- 2.43.0 _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv
next prev parent reply other threads:[~2024-04-04 10:34 UTC|newest] Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top 2024-04-04 10:32 [PATCH 0/5] Add parsing for Zimop ISA extension Clément Léger 2024-04-04 10:32 ` Clément Léger 2024-04-04 10:32 ` [PATCH 1/5] dt-bindings: riscv: add Zimop ISA extension description Clément Léger 2024-04-04 10:32 ` Clément Léger 2024-04-09 14:15 ` Conor Dooley 2024-04-09 14:15 ` Conor Dooley 2024-04-04 10:32 ` [PATCH 2/5] riscv: add ISA extension parsing for Zimop Clément Léger 2024-04-04 10:32 ` Clément Léger 2024-04-23 16:48 ` Conor Dooley 2024-04-23 16:48 ` Conor Dooley 2024-04-04 10:32 ` [PATCH 3/5] riscv: hwprobe: export Zimop ISA extension Clément Léger 2024-04-04 10:32 ` Clément Léger 2024-04-04 10:32 ` Clément Léger [this message] 2024-04-04 10:32 ` [PATCH 4/5] RISC-V: KVM: Allow Zimop extension for Guest/VM Clément Léger 2024-04-04 10:32 ` [PATCH 5/5] KVM: riscv: selftests: Add Zimop extension to get-reg-list test Clément Léger 2024-04-04 10:32 ` Clément Léger 2024-04-05 15:26 ` [PATCH 0/5] Add parsing for Zimop ISA extension Andrew Jones 2024-04-05 15:26 ` Andrew Jones 2024-04-05 17:33 ` Deepak Gupta 2024-04-05 17:33 ` Deepak Gupta 2024-04-08 8:01 ` Clément Léger 2024-04-08 8:01 ` Clément Léger 2024-04-08 11:03 ` Andrew Jones 2024-04-08 11:03 ` Andrew Jones 2024-04-08 11:19 ` Clément Léger 2024-04-08 11:19 ` Clément Léger 2024-04-08 13:56 ` Andrew Jones 2024-04-08 13:56 ` Andrew Jones 2024-04-10 22:11 ` Deepak Gupta 2024-04-10 22:11 ` Deepak Gupta 2024-04-08 11:04 ` Andrew Jones 2024-04-08 11:04 ` Andrew Jones
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