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path: root/drivers/infiniband/hw/cxgb4/mem.c
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Diffstat (limited to 'drivers/infiniband/hw/cxgb4/mem.c')
-rw-r--r--drivers/infiniband/hw/cxgb4/mem.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/cxgb4/mem.c b/drivers/infiniband/hw/cxgb4/mem.c
index 80e27749420a..410408f886c1 100644
--- a/drivers/infiniband/hw/cxgb4/mem.c
+++ b/drivers/infiniband/hw/cxgb4/mem.c
@@ -770,3 +770,15 @@ int c4iw_dereg_mr(struct ib_mr *ib_mr)
kfree(mhp);
return 0;
}
+
+void c4iw_invalidate_mr(struct c4iw_dev *rhp, u32 rkey)
+{
+ struct c4iw_mr *mhp;
+ unsigned long flags;
+
+ spin_lock_irqsave(&rhp->lock, flags);
+ mhp = get_mhp(rhp, rkey >> 8);
+ if (mhp)
+ mhp->attr.state = 0;
+ spin_unlock_irqrestore(&rhp->lock, flags);
+}