diff options
Diffstat (limited to 'include/scsi/scsi_transport_iscsi.h')
| -rw-r--r-- | include/scsi/scsi_transport_iscsi.h | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/include/scsi/scsi_transport_iscsi.h b/include/scsi/scsi_transport_iscsi.h index 9fcce7cd3673..e1f210a173a5 100644 --- a/include/scsi/scsi_transport_iscsi.h +++ b/include/scsi/scsi_transport_iscsi.h @@ -37,6 +37,7 @@ struct iscsi_cls_conn; struct iscsi_conn; struct iscsi_task; struct sockaddr; +struct iscsi_iface; /** * struct iscsi_transport - iSCSI Transport template @@ -87,6 +88,8 @@ struct iscsi_transport { /* LLD sets this to indicate what values it can export to sysfs */ uint64_t param_mask; uint64_t host_param_mask; + uint64_t iface_param_mask; + struct iscsi_cls_session *(*create_session) (struct iscsi_endpoint *ep, uint16_t cmds_max, uint16_t qdepth, uint32_t sn); @@ -138,6 +141,9 @@ struct iscsi_transport { 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, char *data, int count); + int (*get_iface_param) (struct iscsi_iface *iface, + enum iscsi_param_type param_type, + int param, char *buf); }; /* @@ -229,6 +235,20 @@ 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 */ @@ -262,5 +282,11 @@ 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 |