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[86.49.251.7]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-48440e4319bsm1480512f8f.4.2026.08.31.08.00.09 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 31 Aug 2026 08:00:09 -0700 (PDT) From: Andrew Jones To: linux-riscv@lists.infradead.org, iommu@lists.linux.dev Cc: linux-kernel@vger.kernel.org, tomasz.jeznach@linux.dev, tjeznach@rivosinc.com, jgg@ziepe.ca, jgg@nvidia.com, joro@8bytes.org, will@kernel.org, robin.murphy@arm.com, pjw@kernel.org, palmer@dabbelt.com, anup@brainfault.org, tglx@kernel.org, kevin.tian@intel.com, fangyu.yu@linux.alibaba.com, Nutty Liu Subject: [PATCH v5 15/17] RISC-V: KVM: Enable KVM_VFIO interfaces on RISC-V arch Date: Mon, 31 Aug 2026 16:59:41 +0200 Message-ID: <20260831145943.313726-16-andrew.jones@oss.qualcomm.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260831145943.313726-1-andrew.jones@oss.qualcomm.com> References: <20260831145943.313726-1-andrew.jones@oss.qualcomm.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Proofpoint-GUID: Q3lyaWyY5W9JJv898UVYxMSTEoMJwmZi X-Proofpoint-Spam-Info: AW1haW4tMjYwODMxMDEyOSBTYWx0ZWRfX84i1Lo6ynNWg veI+RMlqvOym0RRHGyBICHkzuFqJoylKP4lTug80oaR5HbvnYZkGl2u6uMrxuWbdp5D9q3O3maD 4X962IyXDmuBUrSto8w+S37ZVtS3pdo= X-Proofpoint-ORIG-GUID: Q3lyaWyY5W9JJv898UVYxMSTEoMJwmZi X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwODMxMDEyOSBTYWx0ZWRfX24IKbH3dfC0u qO2M1HBb3PGGIm7V4hTO8/AQ8Uk/kK5JQe+NZIV6vZgq9RMy3oV8/n3jBEwet2C1koZI8Ov6+n4 ZsXQJgBIk8J6elcU1qJ2pXRvKamfzf03CEvzh5oQnssvx3ep/u9GuAPMbRksyNJLnTMxE5sC5eC ryMJpeXguM8Ule3OCMMBcOHRHzGhlmws78JkZkUtpOrOZhZmDYllCmbjtqlBMtBvmY9wqFUX0Il ycAE8JlwisT8WvkdC24ODt+KEyCv6c3sKRZsVN1AQB91H3eHrsDqEKpPGJhlIdq4+C82FauJqyt uRfgSY6vwmtofV9te3wwYqZY65S1kvOBEh1z2tySw4NLbmrXohri0DJfNipYPJjaL2JBiMQFzN/ F85lxlCW9TOgsw8aI+PoxNbkfuCWESsWOdg6Y+vfb8sY0kBqtYFHF25JRbbzwExEm++tBp6qpPi 2B1hKmOf8asacByuXTA== X-Authority-Analysis: v=2.4 cv=YsY/gYYX c=1 sm=1 tr=0 ts=6a9596fd cx=c_pps a=50t2pK5VMbmlHzFWWp8p/g==:117 a=on9AXyaqQ0RhfYpiXjjEXA==:17 a=Sv0fKeRqtYgA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=_glEPmIy2e8OvE2BGh3C:22 a=h0uksLzaAAAA:8 a=EUspDBNiAAAA:8 a=69EAbJreAAAA:8 a=Hp3hLBw8nfLOXl02dSwA:9 a=IoWCM6iH3mJn3m4BftBB:22 a=MSi_79tMYmZZG2gvAgS0:22 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-08-31_05,2026-08-27_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 spamscore=0 clxscore=1015 suspectscore=0 phishscore=0 priorityscore=1501 adultscore=0 impostorscore=0 malwarescore=0 bulkscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2608310129 From: Tomasz Jeznach Enable KVM/VFIO support on RISC-V architecture, now that VFIO device assignment is available on RISC-V through VFIO_IOMMU_TYPE1, so a RISC-V KVM guest can be notified about VFIO-assigned devices. Signed-off-by: Tomasz Jeznach Signed-off-by: Andrew Jones Reviewed-by: Nutty Liu --- arch/riscv/kvm/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/riscv/kvm/Kconfig b/arch/riscv/kvm/Kconfig index ec2cee0a39e0..49179aae9504 100644 --- a/arch/riscv/kvm/Kconfig +++ b/arch/riscv/kvm/Kconfig @@ -29,6 +29,7 @@ config KVM select KVM_GENERIC_DIRTYLOG_READ_PROTECT select KVM_GENERIC_HARDWARE_ENABLING select KVM_MMIO + select KVM_VFIO select VIRT_XFER_TO_GUEST_WORK select SCHED_INFO select GUEST_PERF_EVENTS if PERF_EVENTS -- 2.43.0