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path: root/drivers/infiniband/hw/cxgb4/iw_cxgb4.h
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Diffstat (limited to 'drivers/infiniband/hw/cxgb4/iw_cxgb4.h')
-rw-r--r--drivers/infiniband/hw/cxgb4/iw_cxgb4.h18
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/cxgb4/iw_cxgb4.h b/drivers/infiniband/hw/cxgb4/iw_cxgb4.h
index 7b1e465b2a5e..8cd4d054a87e 100644
--- a/drivers/infiniband/hw/cxgb4/iw_cxgb4.h
+++ b/drivers/infiniband/hw/cxgb4/iw_cxgb4.h
@@ -45,6 +45,7 @@
#include <linux/kref.h>
#include <linux/timer.h>
#include <linux/io.h>
+#include <linux/workqueue.h>
#include <asm/byteorder.h>
@@ -107,6 +108,7 @@ struct c4iw_dev_ucontext {
struct list_head qpids;
struct list_head cqids;
struct mutex lock;
+ struct kref kref;
};
enum c4iw_rdev_flags {
@@ -183,6 +185,7 @@ struct c4iw_rdev {
atomic_t wr_log_idx;
struct wr_log_entry *wr_log;
int wr_log_size;
+ struct workqueue_struct *free_workq;
};
static inline int c4iw_fatal_error(struct c4iw_rdev *rdev)
@@ -480,6 +483,8 @@ struct c4iw_qp {
wait_queue_head_t wait;
struct timer_list timer;
int sq_sig_all;
+ struct work_struct free_work;
+ struct c4iw_ucontext *ucontext;
};
static inline struct c4iw_qp *to_c4iw_qp(struct ib_qp *ibqp)
@@ -493,6 +498,7 @@ struct c4iw_ucontext {
u32 key;
spinlock_t mmap_lock;
struct list_head mmaps;
+ struct kref kref;
};
static inline struct c4iw_ucontext *to_c4iw_ucontext(struct ib_ucontext *c)
@@ -500,6 +506,18 @@ static inline struct c4iw_ucontext *to_c4iw_ucontext(struct ib_ucontext *c)
return container_of(c, struct c4iw_ucontext, ibucontext);
}
+void _c4iw_free_ucontext(struct kref *kref);
+
+static inline void c4iw_put_ucontext(struct c4iw_ucontext *ucontext)
+{
+ kref_put(&ucontext->kref, _c4iw_free_ucontext);
+}
+
+static inline void c4iw_get_ucontext(struct c4iw_ucontext *ucontext)
+{
+ kref_get(&ucontext->kref);
+}
+
struct c4iw_mm_entry {
struct list_head entry;
u64 addr;