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IB/mlx5: Page faults handling infrastructure

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* Refactor MR registration and cleanup, and fix reg_pages accounting.
* Create a work queue to handle page fault events in a kthread context.
* Register a fault handler to get events from the core for each QP.

The registered fault handler is empty in this patch, and only a later
patch implements it.

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>
This commit is contained in:
Haggai Eran
2014-12-11 17:04:23 +02:00
committed by Roland Dreier
parent 832a6b06ab
commit 6aec21f6a8
6 changed files with 295 additions and 23 deletions
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2
include/linux/mlx5/driver.h
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@@ -474,7 +474,7 @@ struct mlx5_priv {
struct workqueue_struct *pg_wq;
struct rb_root page_root;
int fw_pages;
int reg_pages;
atomic_t reg_pages;
struct list_head free_list;
struct mlx5_core_health health;