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[LE-3813] RDMA/mana_ib: use the correct page table index based on hardware page size #516

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Merged
merged 2 commits into from
Aug 20, 2025
Merged

[LE-3813] RDMA/mana_ib: use the correct page table index based on hardware page size #516

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e6594b7
RDMA/mana_ib: use the correct page size for mapping user-mode doorbel…
shreeya-patel98 Aug 19, 2025
512aa8d
RDMA/mana_ib: use the correct page table index based on hardware page…
shreeya-patel98 Aug 19, 2025
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8 changes: 4 additions & 4 deletions drivers/infiniband/hw/mana/main.c
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Original file line number Diff line number Diff line change
Expand Up @@ -383,7 +383,7 @@ static int mana_ib_gd_create_dma_region(struct mana_ib_dev *dev, struct ib_umem

create_req->length = umem->length;
create_req->offset_in_page = ib_umem_dma_offset(umem, page_sz);
create_req->gdma_page_type = order_base_2(page_sz) - PAGE_SHIFT;
create_req->gdma_page_type = order_base_2(page_sz) - MANA_PAGE_SHIFT;
create_req->page_count = num_pages_total;

ibdev_dbg(&dev->ib_dev, "size_dma_region %lu num_pages_total %lu\n",
Expand Down Expand Up @@ -511,13 +511,13 @@ int mana_ib_mmap(struct ib_ucontext *ibcontext, struct vm_area_struct *vma)
PAGE_SHIFT;
prot = pgprot_writecombine(vma->vm_page_prot);

ret = rdma_user_mmap_io(ibcontext, vma, pfn, gc->db_page_size, prot,
ret = rdma_user_mmap_io(ibcontext, vma, pfn, PAGE_SIZE, prot,
NULL);
if (ret)
ibdev_dbg(ibdev, "can't rdma_user_mmap_io ret %d\n", ret);
else
ibdev_dbg(ibdev, "mapped I/O pfn 0x%llx page_size %u, ret %d\n",
pfn, gc->db_page_size, ret);
ibdev_dbg(ibdev, "mapped I/O pfn 0x%llx page_size %lu, ret %d\n",
pfn, PAGE_SIZE, ret);

return ret;
}
Expand Down