PERFORCE change 128545 for review

[Kip Macy]

http://perforce.freebsd.org/chv.cgi?CH=128545

Change 128545 by kmacy at kmacy:storage:toestack on 2007/11/03 04:18:12

	implement vtop sgl mapping

Affected files ...

.. //depot/projects/toestack/sys/dev/cxgb/sys/mvec.h#7 edit

Differences ...

==== //depot/projects/toestack/sys/dev/cxgb/sys/mvec.h#7 (text+ko) ====

@@ -147,8 +147,13 @@
 int busdma_map_sg_vec(struct mbuf **m, struct mbuf **mp, bus_dma_segment_t *segs, int count);
 static __inline int busdma_map_sgl(bus_dma_segment_t *vsegs, bus_dma_segment_t *segs, int count) 
 {
-	panic("BEEEWM!!!");
-	
+	while (count--) {
+		segs->ds_addr = pmap_kextract((vm_offset_t)vsegs->ds_addr);
+		segs->ds_len = vsegs->ds_len;
+		segs++;
+		vsegs++;
+	}
+	return (0);
 }
 
 struct mbuf *mi_collapse_mbuf(struct mbuf_iovec *mi, struct mbuf *m);