libcxgb: export ppm release and tagmask set api

Export cxgbi_ppm_release() to release
ppod manager and cxgbi_tagmask_set() to
set tag mask, they are used by cxgb3i, cxgb4i
and cxgbit.

Signed-off-by: Varun Prakash <varun@chelsio.com>
Reviewed-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/scsi/cxgbi/cxgb3i/cxgb3i.c

@@ -1234,6 +1234,7 @@ static int cxgb3i_ddp_init(struct cxgbi_device *cdev)
 	}
 
 	ppmax = (uinfo.ulimit - uinfo.llimit + 1) >> PPOD_SIZE_SHIFT;
+	tagmask = cxgbi_tagmask_set(ppmax);
 
 	pr_info("T3 %s: 0x%x~0x%x, 0x%x, tagmask 0x%x -> 0x%x.\n",
 		ndev->name, uinfo.llimit, uinfo.ulimit, ppmax, uinfo.tagmask,

drivers/scsi/cxgbi/libcxgbi.c

@@ -121,6 +121,7 @@ static inline void cxgbi_device_destroy(struct cxgbi_device *cdev)
 		"cdev 0x%p, p# %u.\n", cdev, cdev->nports);
 	cxgbi_hbas_remove(cdev);
 	cxgbi_device_portmap_cleanup(cdev);
+	cxgbi_ppm_release(cdev->cdev2ppm(cdev));
 	if (cdev->pmap.max_connect)
 		cxgbi_free_big_mem(cdev->pmap.port_csk);
 	kfree(cdev);