diff options
Diffstat (limited to 'include/scsi/scsi_transport_iscsi.h')
| -rw-r--r-- | include/scsi/scsi_transport_iscsi.h | 47 |
1 files changed, 44 insertions, 3 deletions
diff --git a/include/scsi/scsi_transport_iscsi.h b/include/scsi/scsi_transport_iscsi.h index bf8f52965675..5994bcc1b017 100644 --- a/include/scsi/scsi_transport_iscsi.h +++ b/include/scsi/scsi_transport_iscsi.h @@ -37,6 +37,8 @@ struct iscsi_cls_conn; struct iscsi_conn; struct iscsi_task; struct sockaddr; +struct iscsi_iface; +struct bsg_job; /** * struct iscsi_transport - iSCSI Transport template @@ -84,9 +86,7 @@ struct iscsi_transport { struct module *owner; char *name; unsigned int caps; - /* 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 iscsi_endpoint *ep, uint16_t cmds_max, uint16_t qdepth, uint32_t sn); @@ -137,6 +137,13 @@ struct iscsi_transport { 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); + int (*set_iface_param) (struct Scsi_Host *shost, void *data, + uint32_t len); + int (*get_iface_param) (struct iscsi_iface *iface, + enum iscsi_param_type param_type, + int param, char *buf); + mode_t (*attr_is_visible)(int param_type, int param); + int (*bsg_request)(struct bsg_job *job); }; /* @@ -150,6 +157,8 @@ extern int iscsi_unregister_transport(struct iscsi_transport *tt); */ extern void iscsi_conn_error_event(struct iscsi_cls_conn *conn, enum iscsi_err error); +extern void iscsi_conn_login_event(struct iscsi_cls_conn *conn, + enum iscsi_conn_state state); extern int iscsi_recv_pdu(struct iscsi_cls_conn *conn, struct iscsi_hdr *hdr, char *data, uint32_t data_size); @@ -171,6 +180,9 @@ struct iscsi_cls_conn { #define iscsi_dev_to_conn(_dev) \ container_of(_dev, struct iscsi_cls_conn, dev) +#define transport_class_to_conn(_cdev) \ + iscsi_dev_to_conn(_cdev->parent) + #define iscsi_conn_to_session(_conn) \ iscsi_dev_to_session(_conn->dev.parent) @@ -197,6 +209,7 @@ struct iscsi_cls_session { struct delayed_work recovery_work; unsigned int target_id; + bool ida_used; int state; int sid; /* session id */ @@ -207,6 +220,9 @@ struct iscsi_cls_session { #define iscsi_dev_to_session(_dev) \ container_of(_dev, struct iscsi_cls_session, dev) +#define transport_class_to_session(_cdev) \ + iscsi_dev_to_session(_cdev->parent) + #define iscsi_session_to_shost(_session) \ dev_to_shost(_session->dev.parent) @@ -216,8 +232,12 @@ struct iscsi_cls_session { struct iscsi_cls_host { atomic_t nr_scans; struct mutex mutex; + struct request_queue *bsg_q; }; +#define iscsi_job_to_shost(_job) \ + dev_to_shost(_job->dev) + extern void iscsi_host_for_each_session(struct Scsi_Host *shost, void (*fn)(struct iscsi_cls_session *)); @@ -228,6 +248,20 @@ struct iscsi_endpoint { struct iscsi_cls_conn *conn; }; +struct iscsi_iface { + struct device dev; + struct iscsi_transport *transport; + uint32_t iface_type; /* IPv4 or IPv6 */ + uint32_t iface_num; /* iface number, 0 - n */ + void *dd_data; /* LLD private data */ +}; + +#define iscsi_dev_to_iface(_dev) \ + container_of(_dev, struct iscsi_iface, dev) + +#define iscsi_iface_to_shost(_iface) \ + dev_to_shost(_iface->dev.parent) + /* * session and connection functions that can be used by HW iSCSI LLDs */ @@ -238,6 +272,7 @@ struct iscsi_endpoint { dev_printk(prefix, &(_cls_conn)->dev, fmt, ##a) extern int iscsi_session_chkready(struct iscsi_cls_session *session); +extern int iscsi_is_session_online(struct iscsi_cls_session *session); extern struct iscsi_cls_session *iscsi_alloc_session(struct Scsi_Host *shost, struct iscsi_transport *transport, int dd_size); extern int iscsi_add_session(struct iscsi_cls_session *session, @@ -261,5 +296,11 @@ 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); extern int iscsi_block_scsi_eh(struct scsi_cmnd *cmd); +extern struct iscsi_iface *iscsi_create_iface(struct Scsi_Host *shost, + struct iscsi_transport *t, + uint32_t iface_type, + uint32_t iface_num, int dd_size); +extern void iscsi_destroy_iface(struct iscsi_iface *iface); +extern struct iscsi_iface *iscsi_lookup_iface(int handle); #endif |