hw/hfi1/pio.h

98 struct send_context {  struct
100 	struct hfi1_devdata *dd;		/* device */
101 	union pio_shadow_ring *sr;	/* shadow ring */
102 	void __iomem *base_addr;	/* start of PIO memory */
103 	u32 __percpu *buffers_allocated;/* count of buffers allocated */
104 	u32 size;			/* context size, in bytes */
106 	int node;			/* context home node */
107 	u32 sr_size;			/* size of the shadow ring */
108 	u16 flags;			/* flags */
109 	u8  type;			/* context type */
110 	u8  sw_index;			/* software index number */
111 	u8  hw_context;			/* hardware context number */
112 	u8  group;			/* credit return group */
115 	spinlock_t alloc_lock ____cacheline_aligned_in_smp;
116 	u32 sr_head;			/* shadow ring head */
117 	unsigned long fill;		/* official alloc count */
118 	unsigned long alloc_free;	/* copy of free (less cache thrash) */
119 	u32 fill_wrap;			/* tracks fill within ring */
120 	u32 credits;			/* number of blocks in context */
147 	struct send_context *sc;	/* allocated working context */  argument