diff options
| author |   Haggai Eran <haggaie@mellanox.com> | 2014-12-11 17:04:26 +0200 |
|---|---|---|
| committer |   Roland Dreier <roland@purestorage.com> | 2014-12-15 18:19:04 -0800 |
| commit | b4cfe447d47b5763f630412fd5dc5fbe66e991d1 (patch) | |
| tree | 6725a138e196bb2b41d98f03c78b53dcac5e7549 /drivers/infiniband/hw/mlx5/mlx5_ib.h | |
| parent | IB/mlx5: Add support for RDMA read/write responder page faults (diff) | |
| download | linux-dev-b4cfe447d47b5763f630412fd5dc5fbe66e991d1.tar.xz linux-dev-b4cfe447d47b5763f630412fd5dc5fbe66e991d1.zip | |
IB/mlx5: Implement on demand paging by adding support for MMU notifiers
* Implement the relevant invalidation functions (zap MTTs as needed)
* Implement interlocking (and rollback in the page fault handlers) for
cases of a racing notifier and fault.
* With this patch we can now enable the capability bits for supporting RC
send/receive/RDMA read/RDMA write, and UD send.
Signed-off-by: Sagi Grimberg <sagig@mellanox.com>
Signed-off-by: Shachar Raindel <raindel@mellanox.com>
Signed-off-by: Haggai Eran <haggaie@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
Diffstat (limited to 'drivers/infiniband/hw/mlx5/mlx5_ib.h')
| -rw-r--r-- | drivers/infiniband/hw/mlx5/mlx5_ib.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/mlx5/mlx5_ib.h b/drivers/infiniband/hw/mlx5/mlx5_ib.h index c6ceec3e3d6a..83f22fe297c8 100644 --- a/drivers/infiniband/hw/mlx5/mlx5_ib.h +++ b/drivers/infiniband/hw/mlx5/mlx5_ib.h @@ -325,6 +325,7 @@ struct mlx5_ib_mr { struct mlx5_ib_dev *dev; struct mlx5_create_mkey_mbox_out out; struct mlx5_core_sig_ctx *sig; + int live; }; struct mlx5_ib_fast_reg_page_list { @@ -629,6 +630,8 @@ int __init mlx5_ib_odp_init(void); void mlx5_ib_odp_cleanup(void); void mlx5_ib_qp_disable_pagefaults(struct mlx5_ib_qp *qp); void mlx5_ib_qp_enable_pagefaults(struct mlx5_ib_qp *qp); +void mlx5_ib_invalidate_range(struct ib_umem *umem, unsigned long start, + unsigned long end); #else /* CONFIG_INFINIBAND_ON_DEMAND_PAGING */ static inline int mlx5_ib_internal_query_odp_caps(struct mlx5_ib_dev *dev) |