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-rw-r--r--include/scsi/scsi_transport_iscsi.h26
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