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mlx5: Support communicating arbitrary host page size to firmware

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Connect-IB firmware requires 4K pages to be communicated with the
driver. This patch breaks larger pages to 4K units to enable support
for architectures utilizing larger page size, such as PowerPC.  This
patch also fixes several places that referred to PAGE_SHIFT instead of
explicit 12 which is the inherent page shift on Connect-IB.

Signed-off-by: Eli Cohen <eli@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
This commit is contained in:
Eli Cohen
2013-10-23 09:53:19 +03:00
committed by Roland Dreier
parent 952f5f6e80
commit bf0bf77f65
6 changed files with 127 additions and 60 deletions
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2
drivers/infiniband/hw/mlx5/cq.c
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@@ -620,7 +620,7 @@ static int create_cq_kernel(struct mlx5_ib_dev *dev, struct mlx5_ib_cq *cq,
}
mlx5_fill_page_array(&cq->buf.buf, (*cqb)->pas);
(*cqb)->ctx.log_pg_sz = cq->buf.buf.page_shift - PAGE_SHIFT;
(*cqb)->ctx.log_pg_sz = cq->buf.buf.page_shift - 12;
*index = dev->mdev.priv.uuari.uars[0].index;
return 0;