iommu: Merge iommu_fault_event and iopf_fault
The iommu_fault_event and iopf_fault data structures store the same information about an iopf fault. They are also used in the same way. Merge these two data structures into a single one to make the code more concise and easier to maintain. Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com> Reviewed-by: Kevin Tian <kevin.tian@intel.com> Reviewed-by: Jason Gunthorpe <jgg@nvidia.com> Reviewed-by: Yi Liu <yi.l.liu@intel.com> Tested-by: Yan Zhao <yan.y.zhao@intel.com> Tested-by: Longfang Liu <liulongfang@huawei.com> Link: https://lore.kernel.org/r/20240212012227.119381-8-baolu.lu@linux.intel.comSigned-off-by: Joerg Roedel <jroedel@suse.de>
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