dma/ioat/dma.h

95 struct ioatdma_chan {  struct
96 	struct dma_chan dma_chan;
97 	void __iomem *reg_base;
98 	dma_addr_t last_completion;
99 	spinlock_t cleanup_lock;
100 	unsigned long state;
107 	struct timer_list timer;
109 	struct ioatdma_device *ioat_dma;
110 	dma_addr_t completion_dma;
111 	u64 *completion;
112 	struct tasklet_struct cleanup_task;
113 	struct kobject kobj;
126 	size_t xfercap_log;
127 	u16 head;
128 	u16 issued;
129 	u16 tail;
130 	u16 dmacount;
131 	u16 alloc_order;
132 	u16 produce;
133 	struct ioat_ring_ent **ring;
134 	spinlock_t prep_lock;
135 	struct ioat_descs descs[IOAT_MAX_DESCS / IOAT_DESCS_PER_CHUNK];
136 	int desc_chunks;
137 	int intr_coalesce;
138 	int prev_intr_coalesce;