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[86.49.241.13]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-c2080c90eb4sm80115466b.35.2026.08.07.11.17.48 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 07 Aug 2026 11:17:48 -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 v3 16/19] vfio: enable IOMMU_TYPE1 for RISC-V Date: Fri, 7 Aug 2026 20:17:10 +0200 Message-ID: <20260807181713.228535-17-andrew.jones@oss.qualcomm.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260807181713.228535-1-andrew.jones@oss.qualcomm.com> References: <20260807181713.228535-1-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-ORIG-GUID: o0ER4plw9uGstCuA0JZ6jT2Mmd5YqYEX X-Authority-Analysis: v=2.4 cv=SYbHsPRu c=1 sm=1 tr=0 ts=6a76214e cx=c_pps a=WeENfcodrlLV9YRTxbY/uA==:117 a=VPysOpcHbS0DNrM1Xqmyow==:17 a=Sv0fKeRqtYgA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=DJpcGTmdVt4CTyJn9g5Z:22 a=h0uksLzaAAAA:8 a=EUspDBNiAAAA:8 a=69EAbJreAAAA:8 a=e-vb6wPzIjHU0Swrx_MA:9 a=kacYvNCVWA4VmyqE58fU:22 a=MSi_79tMYmZZG2gvAgS0:22 X-Proofpoint-Spam-Info: AW1haW4tMjYwODA3MDE0MyBTYWx0ZWRfX39K324biRCdj pGc/rrBR+QrB6tFI6zwfC2UvqW59lkgvH6nzNMYI9+RCt2GG2FNw0zBTOGZL0wSgSLosZMGBIyB xMgeiVWGEQ2W+iOuUKsuh9OjV4OKY5w= X-Proofpoint-GUID: o0ER4plw9uGstCuA0JZ6jT2Mmd5YqYEX X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwODA3MDE0MyBTYWx0ZWRfXxrbvC/l+H6Gy rQpvesr0MJKM1yBDGUV6AhaoqK6/FbDgyeZLNMPD8tITb6Y2+6I+TuyvYvLVeAQHFfiHI4N6i9A 33uf9hIqC+ICmucaGQKwSdDH0ADytl8akBC/kYAWVCJ/B6xbSXF1ovkDE462nHQOKyfz98cJaqq 2ZntgyFWIRp2IX3UFyJfd4QTQ4w1Hfm0lS39SOFSWVGQRoQcWKpJ0252k2+TpsQm6AgThnBSYr3 hJIKWo1JxPjU9tlBO5RDc6Vk+PBBOnU/kK5h9PEODrAQStSvPrdpxs2/xvWzTNUnGowt2AMfqE3 h1Z8UE9O8lkfwJkUi4RtYKe9KspNCUh7RB7cmwwaP/md935JCN5tOV6253f8D2zDY5OwX/ZLvic BqxdkYqfcrZF+xIDswdf/L2E4APHIwbI+R+03BnGWU0squdxmGx9cpIEs0Imup5yrpGmva7FRxu QTS8g2uP0EeTgAHNUBQ== 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=2026-08-07_03,2026-08-07_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 adultscore=0 clxscore=1015 phishscore=0 lowpriorityscore=0 spamscore=0 impostorscore=0 suspectscore=0 priorityscore=1501 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-2608070143 From: Tomasz Jeznach Enable VFIO support on RISC-V architecture, now that the RISC-V IOMMU driver reports the IOMMU_CAP_CACHE_COHERENCY capability VFIO_TYPE1 and iommufd both require before allowing a device to be bound. Signed-off-by: Tomasz Jeznach Signed-off-by: Andrew Jones Reviewed-by: Nutty Liu --- drivers/vfio/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/vfio/Kconfig b/drivers/vfio/Kconfig index ceae52fd7586..ad62205b4e45 100644 --- a/drivers/vfio/Kconfig +++ b/drivers/vfio/Kconfig @@ -39,7 +39,7 @@ config VFIO_GROUP config VFIO_CONTAINER bool "Support for the VFIO container /dev/vfio/vfio" - select VFIO_IOMMU_TYPE1 if MMU && (X86 || S390 || ARM || ARM64) + select VFIO_IOMMU_TYPE1 if MMU && (X86 || S390 || ARM || ARM64 || RISCV) depends on VFIO_GROUP default y help -- 2.43.0