IB/hfi1: Add SDMA cache eviction algorithm

[deliverable/linux.git] / drivers / staging / rdma / hfi1 / user_sdma.h

diff --git a/drivers/staging/rdma/hfi1/user_sdma.h b/drivers/staging/rdma/hfi1/user_sdma.h
index 0afa28508a8a3335c0e040cdf46e89c221b90de0..b9240e351161c9dad40e253c9f045e99b912a858 100644 (file)
--- a/drivers/staging/rdma/hfi1/user_sdma.h
+++ b/drivers/staging/rdma/hfi1/user_sdma.h
@@ -1,12 +1,11 @@
 /*
+ * Copyright(c) 2015, 2016 Intel Corporation.
  *
  * This file is provided under a dual BSD/GPLv2 license.  When using or
  * redistributing this file, you may do so under either license.
  *
  * GPL LICENSE SUMMARY
  *
- * Copyright(c) 2015 Intel Corporation.
- *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of version 2 of the GNU General Public License as
  * published by the Free Software Foundation.
@@ -18,8 +17,6 @@
  *
  * BSD LICENSE
  *
- * Copyright(c) 2015 Intel Corporation.
- *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
@@ -69,7 +66,11 @@ struct hfi1_user_sdma_pkt_q {
        struct iowait busy;
        unsigned state;
        wait_queue_head_t wait;
-       struct mm_struct *user_mm;
+       unsigned long unpinned;
+       struct rb_root sdma_rb_root;
+       u32 n_locked;
+       struct list_head evict;
+       spinlock_t evict_lock; /* protect evict and n_locked */
 };
 
 struct hfi1_user_sdma_comp_q {