struct scsi_transport_template;
struct iscsi_transport;
+struct iscsi_endpoint;
struct Scsi_Host;
struct iscsi_cls_conn;
struct iscsi_conn;
-struct iscsi_cmd_task;
+struct iscsi_task;
struct sockaddr;
/**
/* LLD sets this to indicate what values it can export to sysfs */
uint64_t param_mask;
uint64_t host_param_mask;
- struct iscsi_cls_session *(*create_session) (struct Scsi_Host *shost,
+ struct iscsi_cls_session *(*create_session) (struct iscsi_endpoint *ep,
uint16_t cmds_max, uint16_t qdepth,
- uint32_t sn, uint32_t *hn);
+ uint32_t sn);
void (*destroy_session) (struct iscsi_cls_session *session);
struct iscsi_cls_conn *(*create_conn) (struct iscsi_cls_session *sess,
uint32_t cid);
char *data, uint32_t data_size);
void (*get_stats) (struct iscsi_cls_conn *conn,
struct iscsi_stats *stats);
- int (*init_task) (struct iscsi_cmd_task *task);
- int (*xmit_task) (struct iscsi_cmd_task *task);
- void (*cleanup_task) (struct iscsi_conn *conn,
- struct iscsi_cmd_task *task);
+
+ int (*init_task) (struct iscsi_task *task);
+ int (*xmit_task) (struct iscsi_task *task);
+ void (*cleanup_task) (struct iscsi_task *task);
+
+ int (*alloc_pdu) (struct iscsi_task *task, uint8_t opcode);
+ int (*xmit_pdu) (struct iscsi_task *task);
+ int (*init_pdu) (struct iscsi_task *task, unsigned int offset,
+ unsigned int count);
+ void (*parse_pdu_itt) (struct iscsi_conn *conn, itt_t itt,
+ int *index, int *age);
+
void (*session_recovery_timedout) (struct iscsi_cls_session *session);
- int (*ep_connect) (struct sockaddr *dst_addr, int non_blocking,
- uint64_t *ep_handle);
- int (*ep_poll) (uint64_t ep_handle, int timeout_ms);
- void (*ep_disconnect) (uint64_t ep_handle);
+ struct iscsi_endpoint *(*ep_connect) (struct Scsi_Host *shost,
+ struct sockaddr *dst_addr,
+ int non_blocking);
+ int (*ep_poll) (struct iscsi_endpoint *ep, int timeout_ms);
+ void (*ep_disconnect) (struct iscsi_endpoint *ep);
int (*tgt_dscvr) (struct Scsi_Host *shost, enum iscsi_tgt_dscvr type,
uint32_t enable, struct sockaddr *dst_addr);
+ int (*set_path) (struct Scsi_Host *shost, struct iscsi_path *params);
};
/*
/*
* control plane upcalls
*/
-extern void iscsi_conn_error(struct iscsi_cls_conn *conn, enum iscsi_err error);
+extern void iscsi_conn_error_event(struct iscsi_cls_conn *conn,
+ enum iscsi_err error);
extern int iscsi_recv_pdu(struct iscsi_cls_conn *conn, struct iscsi_hdr *hdr,
char *data, uint32_t data_size);
+extern int iscsi_offload_mesg(struct Scsi_Host *shost,
+ struct iscsi_transport *transport, uint32_t type,
+ char *data, uint16_t data_size);
+
struct iscsi_cls_conn {
struct list_head conn_list; /* item in connlist */
void *dd_data; /* LLD private data */
ISCSI_SESSION_FREE,
};
+#define ISCSI_MAX_TARGET -1
+
struct iscsi_cls_session {
struct list_head sess_list; /* item in session_list */
- struct list_head host_list;
struct iscsi_transport *transport;
spinlock_t lock;
struct work_struct block_work;
int recovery_tmo;
struct delayed_work recovery_work;
- int target_id;
+ unsigned int target_id;
int state;
int sid; /* session id */
iscsi_dev_to_session(_stgt->dev.parent)
struct iscsi_cls_host {
- struct list_head sessions;
atomic_t nr_scans;
struct mutex mutex;
- struct workqueue_struct *scan_workq;
- char scan_workq_name[KOBJ_NAME_LEN];
};
extern void iscsi_host_for_each_session(struct Scsi_Host *shost,
void (*fn)(struct iscsi_cls_session *));
+struct iscsi_endpoint {
+ void *dd_data; /* LLD private data */
+ struct device dev;
+ uint64_t id;
+};
/*
* session and connection functions that can be used by HW iSCSI LLDs
extern void iscsi_unblock_session(struct iscsi_cls_session *session);
extern void iscsi_block_session(struct iscsi_cls_session *session);
extern int iscsi_scan_finished(struct Scsi_Host *shost, unsigned long time);
+extern struct iscsi_endpoint *iscsi_create_endpoint(int dd_size);
+extern void iscsi_destroy_endpoint(struct iscsi_endpoint *ep);
+extern struct iscsi_endpoint *iscsi_lookup_endpoint(u64 handle);
#endif