IB/ipath: add calls to new 7220 code and enable in build

This patch adds the initialization calls into the new 7220 HCA files,
changes the Makefile to compile and link the new files, and code to
handle send DMA.

Signed-off-by: Dave Olson <dave.olson@qlogic.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>

drivers/infiniband/hw/ipath/ipath_kernel.h

@@ -871,7 +871,8 @@ struct sk_buff *ipath_alloc_skb(struct ipath_devdata *dd, gfp_t);
 extern int ipath_diag_inuse;
 
 irqreturn_t ipath_intr(int irq, void *devid);
-int ipath_decode_err(char *buf, size_t blen, ipath_err_t err);
+int ipath_decode_err(struct ipath_devdata *dd, char *buf, size_t blen,
+		     ipath_err_t err);
 #if __IPATH_INFO || __IPATH_DBG
 extern const char *ipath_ibcstatus_str[];
 #endif
@@ -1026,6 +1027,7 @@ void ipath_set_led_override(struct ipath_devdata *dd, unsigned int val);
 /* send dma routines */
 int setup_sdma(struct ipath_devdata *);
 void teardown_sdma(struct ipath_devdata *);
+void ipath_restart_sdma(struct ipath_devdata *);
 void ipath_sdma_intr(struct ipath_devdata *);
 int ipath_sdma_verbs_send(struct ipath_devdata *, struct ipath_sge_state *,
 			  u32, struct ipath_verbs_txreq *);