Upgrade to 4.4.50-rt62

[kvmfornfv.git] / kernel / drivers / misc / cxl / cxl.h

diff --git a/kernel/drivers/misc/cxl/cxl.h b/kernel/drivers/misc/cxl/cxl.h
index 0cfb9c1..a521bc7 100644 (file)
--- a/kernel/drivers/misc/cxl/cxl.h
+++ b/kernel/drivers/misc/cxl/cxl.h
@@ -403,6 +403,18 @@ struct cxl_afu {
        bool enabled;
 };
 
+/* AFU refcount management */
+static inline struct cxl_afu *cxl_afu_get(struct cxl_afu *afu)
+{
+
+       return (get_device(&afu->dev) == NULL) ? NULL : afu;
+}
+
+static inline void  cxl_afu_put(struct cxl_afu *afu)
+{
+       put_device(&afu->dev);
+}
+
 
 struct cxl_irq_name {
        struct list_head list;
@@ -433,6 +445,9 @@ struct cxl_context {
        unsigned int sst_size, sst_lru;
 
        wait_queue_head_t wq;
+       /* pid of the group leader associated with the pid */
+       struct pid *glpid;
+       /* use mm context associated with this pid for ds faults */
        struct pid *pid;
        spinlock_t lock; /* Protects pending_irq_mask, pending_fault and fault_addr */
        /* Only used in PR mode */