]>
git.proxmox.com Git - mirror_ubuntu-bionic-kernel.git/blob - include/scsi/libsrp.h
4 #include <linux/list.h>
5 #include <linux/kfifo.h>
6 #include <scsi/scsi_cmnd.h>
7 #include <scsi/scsi_host.h>
30 struct Scsi_Host
*shost
;
34 struct list_head cmd_queue
;
37 struct srp_queue iu_queue
;
39 struct srp_buf
**rx_ring
;
45 struct srp_target
*target
;
47 struct list_head ilist
;
48 dma_addr_t remote_token
;
54 typedef int (srp_rdma_t
)(struct scsi_cmnd
*, struct scatterlist
*, int,
55 struct srp_direct_buf
*, int,
56 enum dma_data_direction
, unsigned int);
57 extern int srp_target_alloc(struct srp_target
*, struct device
*, size_t, size_t);
58 extern void srp_target_free(struct srp_target
*);
60 extern struct iu_entry
*srp_iu_get(struct srp_target
*);
61 extern void srp_iu_put(struct iu_entry
*);
63 extern int srp_cmd_queue(struct Scsi_Host
*, struct srp_cmd
*, void *, u64
, u64
);
64 extern int srp_transfer_data(struct scsi_cmnd
*, struct srp_cmd
*,
65 srp_rdma_t
, int, int);
68 static inline struct srp_target
*host_to_srp_target(struct Scsi_Host
*host
)
70 return (struct srp_target
*) host
->hostdata
;
73 static inline int srp_cmd_direction(struct srp_cmd
*cmd
)
75 return (cmd
->buf_fmt
>> 4) ? DMA_TO_DEVICE
: DMA_FROM_DEVICE
;