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X-BeenThere: linux-arm-kernel@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-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Sat, Feb 22, 2025 at 07:54:10AM -0800, Nicolin Chen wrote: > Aside from the IOPF framework, iommufd provides an additional pathway to > report hardware events, via the vEVENTQ of vIOMMU infrastructure. > > Define an iommu_vevent_arm_smmuv3 uAPI structure, and report stage-1 events > in the threaded IRQ handler. Also, add another four event record types that > can be forwarded to a VM. > > Reviewed-by: Kevin Tian > Signed-off-by: Nicolin Chen > --- > drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.h | 7 +++ > include/uapi/linux/iommufd.h | 23 +++++++ > .../arm/arm-smmu-v3/arm-smmu-v3-iommufd.c | 17 ++++++ > drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c | 60 +++++++++++-------- > 4 files changed, 82 insertions(+), 25 deletions(-) Reviewed-by: Jason Gunthorpe Jason