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Add core infrastructure for Completion Counters, a light-weight alternative to polling CQ for tracking operation completions. Define the UVERBS_OBJECT_COMP_CNTR ioctl object with create, destroy, modify and read methods for both success and error counters. Add a QP attach method on the QP object to associate a completion counter with a queue pair. Add ib_comp_cntr struct, ib_comp_cntr_attach_attr, device ops, and DECLARE_RDMA_OBJ_SIZE for driver object allocation. Only userspace Completion Counters are supported at this stage. Reviewed-by: Yonatan Nachum <ynachum@amazon.com> Signed-off-by: Michael Margolin <mrgolin@amazon.com> Link: https://patch.msgid.link/20260722083603.30334-2-mrgolin@amazon.com Signed-off-by: Leon Romanovsky <leon@kernel.org> |
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| asm-generic | ||
| cxl | ||
| drm | ||
| fwctl | ||
| linux | ||
| misc | ||
| mtd | ||
| rdma | ||
| regulator | ||
| scsi | ||
| sound | ||
| video | ||
| xen | ||
| Kbuild | ||