isci: Redesign device suspension, abort, cleanup.

This commit changes the means by which outstanding I/Os are handled
for cleanup.
The likelihood is that this commit will be broken into smaller pieces,
however that will be a later revision.  Among the changes:

- All completion structures have been removed from the tmf and
abort paths.
- Now using one completed I/O list, with the I/O completed in host bit being
used to select error or normal callback paths.

Signed-off-by: Jeff Skirvin <jeffrey.d.skirvin@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
diff --git a/drivers/scsi/isci/remote_node_context.h b/drivers/scsi/isci/remote_node_context.h
index 5ddf88b..2870af1 100644
--- a/drivers/scsi/isci/remote_node_context.h
+++ b/drivers/scsi/isci/remote_node_context.h
@@ -211,7 +211,9 @@
 						    scics_sds_remote_node_context_callback cb_fn,
 						    void *cb_p);
 enum sci_status sci_remote_node_context_start_task(struct sci_remote_node_context *sci_rnc,
-							struct isci_request *ireq);
+						   struct isci_request *ireq,
+						   scics_sds_remote_node_context_callback cb_fn,
+						   void *cb_p);
 enum sci_status sci_remote_node_context_start_io(struct sci_remote_node_context *sci_rnc,
 						      struct isci_request *ireq);
 int sci_remote_node_context_is_safe_to_abort(