xiaomi-sm8450/android_kernel_xiaomi_sm8450
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IB/mlx5: Move to fully dynamic UAR mode once user space supports it

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Move to fully dynamic UAR mode once user space supports it.  In this case
we prevent any legacy mode of UARs on the allocated context and prevent
redundant allocation of the static ones.

Link: https://lore.kernel.org/r/20200324060143.1569116-6-leon@kernel.org
Signed-off-by: Yishai Hadas <yishaih@mellanox.com>
Reviewed-by: Michael Guralnik <michaelgur@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
This commit is contained in:
Yishai Hadas
2020-03-24 08:01:43 +02:00
committad av Jason Gunthorpe
förälder 2152862298
incheckning 0a2fd01c28
5 ändrade filer med 26 tillägg och 3 borttagningar
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8
drivers/infiniband/hw/mlx5/cq.c
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@@ -741,10 +741,14 @@ static int create_cq_user(struct mlx5_ib_dev *dev, struct ib_udata *udata,
MLX5_SET(cqc, cqc, log_page_size,
page_shift - MLX5_ADAPTER_PAGE_SHIFT);
if (ucmd.flags & MLX5_IB_CREATE_CQ_FLAGS_UAR_PAGE_INDEX)
if (ucmd.flags & MLX5_IB_CREATE_CQ_FLAGS_UAR_PAGE_INDEX) {
*index = ucmd.uar_page_index;
else
} else if (context->bfregi.lib_uar_dyn) {
err = -EINVAL;
goto err_cqb;
} else {
*index = context->bfregi.sys_pages[0];
}
if (ucmd.cqe_comp_en == 1) {
int mini_cqe_format;