#ifndef __LIBSRP_H__#define __LIBSRP_H__ #include <linux/list.h>#include <linux/kfifo.h>#include <scsi/scsi_cmnd.h>#include <scsi/scsi_host.h>#include <scsi/srp.h> enum iue_flags {	V_DIOVER,	V_WRITE,	V_LINKED,	V_FLYING,}; struct srp_buf {	dma_addr_t dma;	void *buf;}; struct srp_queue {	void *pool;	void *items;	struct kfifo queue;	spinlock_t lock;}; struct srp_target {	struct Scsi_Host *shost;	struct device *dev; 	spinlock_t lock;	struct list_head cmd_queue; 	size_t srp_iu_size;	struct srp_queue iu_queue;	size_t rx_ring_size;	struct srp_buf **rx_ring; 	void *ldata;}; struct iu_entry {	struct srp_target *target; 	struct list_head ilist;	dma_addr_t remote_token;	unsigned long flags; 	struct srp_buf *sbuf;}; typedef int (srp_rdma_t)(struct scsi_cmnd *, struct scatterlist *, int,			 struct srp_direct_buf *, int,			 enum dma_data_direction, unsigned int);extern int srp_target_alloc(struct srp_target *, struct device *, size_t, size_t);extern void srp_target_free(struct srp_target *); extern struct iu_entry *srp_iu_get(struct srp_target *);extern void srp_iu_put(struct iu_entry *); extern int srp_cmd_queue(struct Scsi_Host *, struct srp_cmd *, void *, u64, u64);extern int srp_transfer_data(struct scsi_cmnd *, struct srp_cmd *,			     srp_rdma_t, int, int);  static inline struct srp_target *host_to_srp_target(struct Scsi_Host *host){	return (struct srp_target *) host->hostdata;} static inline int srp_cmd_direction(struct srp_cmd *cmd){	return (cmd->buf_fmt >> 4) ? DMA_TO_DEVICE : DMA_FROM_DEVICE;} #endif