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RDMA/irdma: Ensure iWarp QP queue memory is OS paged aligned
The SQ is shared for between kernel and used by storing the kernel page
pointer and passing that to a kmap_atomic().
This then requires that the alignment is PAGE_SIZE aligned.
Fix by adding an iWarp specific alignment check.
Fixes: e965ef0e7b
("RDMA/irdma: Split QP handler into irdma_reg_user_mr_type_qp")
Link: https://lore.kernel.org/r/20231129202143.1434-3-shiraz.saleem@intel.com
Signed-off-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Signed-off-by: Shiraz Saleem <shiraz.saleem@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
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@ -2946,6 +2946,11 @@ static int irdma_reg_user_mr_type_qp(struct irdma_mem_reg_req req,
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int err;
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u8 lvl;
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/* iWarp: Catch page not starting on OS page boundary */
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if (!rdma_protocol_roce(&iwdev->ibdev, 1) &&
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ib_umem_offset(iwmr->region))
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return -EINVAL;
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total = req.sq_pages + req.rq_pages + 1;
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if (total > iwmr->page_cnt)
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return -EINVAL;
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