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[59.124.168.89]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-211d0f474fcsm92502505ad.213.2024.11.20.06.09.50 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 20 Nov 2024 06:09:53 -0800 (PST) From: Max Hsu Date: Wed, 20 Nov 2024 22:09:34 +0800 Subject: [PATCH RFC v3 3/3] riscv: KVM: Add Svukte extension support for Guest/VM MIME-Version: 1.0 Message-Id: <20241120-dev-maxh-svukte-v3-v3-3-1e533d41ae15@sifive.com> References: <20241120-dev-maxh-svukte-v3-v3-0-1e533d41ae15@sifive.com> In-Reply-To: <20241120-dev-maxh-svukte-v3-v3-0-1e533d41ae15@sifive.com> To: Conor Dooley , Rob Herring , Krzysztof Kozlowski , Paul Walmsley , Palmer Dabbelt , Albert Ou , Anup Patel , Atish Patra Cc: Palmer Dabbelt , linux-riscv@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, kvm@vger.kernel.org, kvm-riscv@lists.infradead.org, Max Hsu , Samuel Holland X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=1321; i=max.hsu@sifive.com; h=from:subject:message-id; bh=CJT0iMPgfMMKY590TyF/jv0a/eQmMMiUwvdaVlMZsfs=; b=owEB7QES/pANAwAKAdID/Z0HeUC9AcsmYgBnPe2kadvH5t/olEh4nZ968ktrx/equF2lYqvX8 y0+ccmYkHyJAbMEAAEKAB0WIQTqXmcbOhS2KZE9X2jSA/2dB3lAvQUCZz3tpAAKCRDSA/2dB3lA vQSQDACIUsjg3BUBC94txWJFJnsW+HdGsZK9TdrvP+9cahCFdSbYefBFYDX+F6qrGFGZ4xd1dZI FgYxgtdj1e571lb++BZPkfR4WVNcV3JrX5/B0UmnEXolTaLvraICuVl5r1gPmRDUbTKGlPGka/a hHMAQocMymw6cUu6/MM2ZTscgvJSzCEYgcdwJ9YPXvEKKsmaepFSBoZjfsL5SuJG/Ja3pyTgvCF X1/njUvmXBN5+VLfqj91GeLNPV5tCcYxZe1oLWqljxohLeXrEdmTy+4+1i6g4AsQi7vIsQs3Wzk cOy+tDP1uTNQrUQ6HVD8QT12FAUuH27qlxxJoSVy1YNWvDknVuM94hkLv7Y6O/eSNGNJGnlV1Kj I2IDHywxZohyBH7rV5Ny2An8bjvPfJHS1wf2r3G/gt6vNXu4qNDclE+TGyuawb4KxLkLtFx6RON DwJgbyToqac448RyXhmMEWoDDOMcfwnlsB7aqqbAFcN3VfhT4WQG7OlCWDJmnpSKyFbhw= X-Developer-Key: i=max.hsu@sifive.com; a=openpgp; fpr=EA5E671B3A14B629913D5F68D203FD9D077940BD X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20241120_060955_076443_7B946DE1 X-CRM114-Status: UNSURE ( 8.51 ) X-CRM114-Notice: Please train this message. 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 Add KVM_RISCV_ISA_EXT_SVUKTE for VMM to detect the enablement or disablement the Svukte extension for Guest/VM Reviewed-by: Samuel Holland Signed-off-by: Max Hsu --- arch/riscv/include/uapi/asm/kvm.h | 1 + arch/riscv/kvm/vcpu_onereg.c | 1 + 2 files changed, 2 insertions(+) diff --git a/arch/riscv/include/uapi/asm/kvm.h b/arch/riscv/include/uapi/asm/kvm.h index 4f24201376b17215315cf1fb8888d0a562dc76ac..158f9253658c4c28a533b2bda179fb48bf41e1fc 100644 --- a/arch/riscv/include/uapi/asm/kvm.h +++ b/arch/riscv/include/uapi/asm/kvm.h @@ -177,6 +177,7 @@ enum KVM_RISCV_ISA_EXT_ID { KVM_RISCV_ISA_EXT_ZAWRS, KVM_RISCV_ISA_EXT_SMNPM, KVM_RISCV_ISA_EXT_SSNPM, + KVM_RISCV_ISA_EXT_SVUKTE, KVM_RISCV_ISA_EXT_MAX, }; diff --git a/arch/riscv/kvm/vcpu_onereg.c b/arch/riscv/kvm/vcpu_onereg.c index 5b68490ad9b75fef6a18289d8c5cf9291594e01e..4c3a77cdeed0956e21e53d1ab4e948a170ac5c5c 100644 --- a/arch/riscv/kvm/vcpu_onereg.c +++ b/arch/riscv/kvm/vcpu_onereg.c @@ -43,6 +43,7 @@ static const unsigned long kvm_isa_ext_arr[] = { KVM_ISA_EXT_ARR(SVINVAL), KVM_ISA_EXT_ARR(SVNAPOT), KVM_ISA_EXT_ARR(SVPBMT), + KVM_ISA_EXT_ARR(SVUKTE), KVM_ISA_EXT_ARR(ZACAS), KVM_ISA_EXT_ARR(ZAWRS), KVM_ISA_EXT_ARR(ZBA),