[SCSI] iscsi: add iscsi host helpers
This finishes the host/session unbinding, by adding some helpers
to add and remove hosts and the session they manage.
Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
diff --git a/include/scsi/libiscsi.h b/include/scsi/libiscsi.h
index 8a6271c..9a26d71 100644
--- a/include/scsi/libiscsi.h
+++ b/include/scsi/libiscsi.h
@@ -32,6 +32,7 @@
#include <scsi/iscsi_if.h>
struct scsi_transport_template;
+struct scsi_host_template;
struct scsi_device;
struct Scsi_Host;
struct scsi_cmnd;
@@ -41,6 +42,7 @@
struct iscsi_cls_conn;
struct iscsi_session;
struct iscsi_nopin;
+struct device;
/* #define DEBUG_SCSI */
#ifdef DEBUG_SCSI
@@ -311,6 +313,8 @@
char local_address[ISCSI_ADDRESS_BUF_LEN];
};
+#define iscsi_host_priv(_shost) \
+ (shost_priv(_shost) + sizeof(struct iscsi_host))
/*
* scsi host template
*/
@@ -330,8 +334,11 @@
int buflen);
extern int iscsi_host_get_param(struct Scsi_Host *shost,
enum iscsi_host_param param, char *buf);
-extern void iscsi_host_setup(struct Scsi_Host *shost, uint16_t qdepth);
-extern void iscsi_host_teardown(struct Scsi_Host *shost);
+extern int iscsi_host_add(struct Scsi_Host *shost, struct device *pdev);
+extern struct Scsi_Host *iscsi_host_alloc(struct scsi_host_template *sht,
+ int dd_data_size, uint16_t qdepth);
+extern void iscsi_host_remove(struct Scsi_Host *shost);
+extern void iscsi_host_free(struct Scsi_Host *shost);
/*
* session management
diff --git a/include/scsi/scsi_transport_iscsi.h b/include/scsi/scsi_transport_iscsi.h
index 702eda2..761f62d 100644
--- a/include/scsi/scsi_transport_iscsi.h
+++ b/include/scsi/scsi_transport_iscsi.h
@@ -207,6 +207,10 @@
char scan_workq_name[KOBJ_NAME_LEN];
};
+extern void iscsi_host_for_each_session(struct Scsi_Host *shost,
+ void (*fn)(struct iscsi_cls_session *));
+
+
/*
* session and connection functions that can be used by HW iSCSI LLDs
*/
