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[86.49.251.7]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-482fbb32d30sm24100210f8f.34.2026.08.31.08.00.06 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 31 Aug 2026 08:00:06 -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 Subject: [PATCH v5 13/17] iommu/dma: Enable IOMMU_DMA for 64-bit RISC-V Date: Mon, 31 Aug 2026 16:59:39 +0200 Message-ID: <20260831145943.313726-14-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-Authority-Analysis: v=2.4 cv=E9f9Y6dl c=1 sm=1 tr=0 ts=6a9596f8 cx=c_pps a=7E5Bxpl4vBhpaufnMqZlrw==:117 a=on9AXyaqQ0RhfYpiXjjEXA==:17 a=Sv0fKeRqtYgA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=rJkE3RaqiGZ5pbrm-msn:22 a=h0uksLzaAAAA:8 a=EUspDBNiAAAA:8 a=vvBRGx3AIC5YeKHJuXcA:9 a=pJ04lnu7RYOZP9TFuWaZ:22 a=MSi_79tMYmZZG2gvAgS0:22 X-Proofpoint-Spam-Info: AW1haW4tMjYwODMxMDEyOSBTYWx0ZWRfX0GpluQnpW00Z mh4kkDoefpAq0kDXRpKfnK365UDdbnRaUNVTRsEZjsjvRn2ne3OORjY3dfn/l7tl/PHip9qxzR8 CRzSnqzb/Bph23e9PaqF8sJrYVQd5Ts= X-Proofpoint-ORIG-GUID: QHDgQvVTLKjLUpDZnJ8bP21cj3JhFGCx X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwODMxMDEyOSBTYWx0ZWRfX3JLtWtF6W3pv zqbx6fj11AAi2LUYo7MreJxq3ed0ICa9n7B7W5DWBHP1Wm4ZVklUubSj5CEd3t9HbNlqfAgyWje mc6g+7KaY6xFnA+aFFTPpluZbanx8fb9UQGP2bvhZa/Jg39XA4ZpRjLrdq5oHvT/GNUROWusu2E OMrCObH3u1ntd4G4vE+P11YLi9dniPI/q3GwhDhE/axP3tJeXDOmwpltR2/ETbMV/b0i8EzbxgK krXovDVDlHqtf0GfMUodMZNGRyE746Vs1lLFnxHR8X9lPlUXtbpop1nfNdmqYlxaFscIg00hjqf SASJleQc2OCGVm7LWqiDo88ok6tZ7dIgbkfh1KrO5xmxOwWlND7VF58YO8bF1NNEG4UfsTHtsNb 7RHwBB/sLDHGkxIO5N0A3j0hV7cDKs/2tnVzKTHj3s8Pq1lLOa4vhzzpks9Yik2pHfdOxaNnP/7 LbLctaO/gjZ0XuvxvmA== X-Proofpoint-GUID: QHDgQvVTLKjLUpDZnJ8bP21cj3JhFGCx 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 suspectscore=0 malwarescore=0 bulkscore=0 spamscore=0 phishscore=0 lowpriorityscore=0 adultscore=0 impostorscore=0 priorityscore=1501 clxscore=1015 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 IOMMU_DMA for 64-bit RISC-V now that the RISC-V IOMMU driver supports MSI remapping. Signed-off-by: Tomasz Jeznach Signed-off-by: Andrew Jones --- drivers/iommu/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/iommu/Kconfig b/drivers/iommu/Kconfig index 6e07bd69467a..1c9f2ad10f36 100644 --- a/drivers/iommu/Kconfig +++ b/drivers/iommu/Kconfig @@ -151,7 +151,7 @@ config OF_IOMMU # IOMMU-agnostic DMA-mapping layer config IOMMU_DMA - def_bool ARM64 || X86 || S390 + def_bool ARM64 || X86 || S390 || (RISCV && 64BIT) select DMA_OPS_HELPERS select IOMMU_API select IOMMU_IOVA -- 2.43.0