svn commit: r195006 - in head/sys/dev/cxgb: . sys

[Navdeep Parhar]

Author: np
Date: Thu Jun 25 21:50:15 2009
New Revision: 195006
URL: http://svn.freebsd.org/changeset/base/195006

Log:
  mvec routines should have no knowledge of the SG engine.
  
  Reviewed by:	kmacy
  Approved by:	gnn (mentor)

Modified:
  head/sys/dev/cxgb/cxgb_sge.c
  head/sys/dev/cxgb/sys/mvec.h
  head/sys/dev/cxgb/sys/uipc_mvec.c

Modified: head/sys/dev/cxgb/cxgb_sge.c
==============================================================================
--- head/sys/dev/cxgb/cxgb_sge.c	Thu Jun 25 20:59:37 2009	(r195005)
+++ head/sys/dev/cxgb/cxgb_sge.c	Thu Jun 25 21:50:15 2009	(r195006)
@@ -1152,17 +1152,18 @@ busdma_map_mbufs(struct mbuf **m, struct
 {
 	struct mbuf *m0;
 	int err, pktlen, pass = 0;
+	bus_dma_tag_t tag = txq->entry_tag;
 
 retry:
 	err = 0;
 	m0 = *m;
 	pktlen = m0->m_pkthdr.len;
 #if defined(__i386__) || defined(__amd64__)
-	if (busdma_map_sg_collapse(txq, txsd->map, m, segs, nsegs) == 0) {
+	if (busdma_map_sg_collapse(tag, txsd->map, m, segs, nsegs) == 0) {
 		goto done;
 	} else
 #endif
-		err = bus_dmamap_load_mbuf_sg(txq->entry_tag, txsd->map, m0, segs, nsegs, 0);
+		err = bus_dmamap_load_mbuf_sg(tag, txsd->map, m0, segs, nsegs, 0);
 
 	if (err == 0) {
 		goto done;
@@ -1189,7 +1190,7 @@ retry:
 	}
 done:
 #if !defined(__i386__) && !defined(__amd64__)
-	bus_dmamap_sync(txq->entry_tag, txsd->map, BUS_DMASYNC_PREWRITE);
+	bus_dmamap_sync(tag, txsd->map, BUS_DMASYNC_PREWRITE);
 #endif	
 	txsd->flags |= TX_SW_DESC_MAPPED;
 
@@ -1412,11 +1413,12 @@ t3_encap(struct sge_qset *qs, struct mbu
 		tso_info = V_LSO_MSS(m0->m_pkthdr.tso_segsz);
 #endif
 	if (m0->m_nextpkt != NULL) {
-		busdma_map_sg_vec(txq, txsd->map, m0, segs, &nsegs);
+		busdma_map_sg_vec(txq->entry_tag, txsd->map, m0, segs, &nsegs);
 		ndesc = 1;
 		mlen = 0;
 	} else {
- 		if ((err = busdma_map_sg_collapse(txq, txsd->map, &m0, segs, &nsegs))) {
+		if ((err = busdma_map_sg_collapse(txq->entry_tag, txsd->map,
+		    &m0, segs, &nsegs))) {
 			if (cxgb_debug)
 				printf("failed ... err=%d\n", err);
 			return (err);

Modified: head/sys/dev/cxgb/sys/mvec.h
==============================================================================
--- head/sys/dev/cxgb/sys/mvec.h	Thu Jun 25 20:59:37 2009	(r195005)
+++ head/sys/dev/cxgb/sys/mvec.h	Thu Jun 25 21:50:15 2009	(r195006)
@@ -43,7 +43,7 @@
 #define m_ulp_mode	m_pkthdr.tso_segsz	/* upper level protocol	*/
 
 static __inline void
-busdma_map_mbuf_fast(struct sge_txq *txq, bus_dmamap_t map,
+busdma_map_mbuf_fast(bus_dma_tag_t tag, bus_dmamap_t map,
     struct mbuf *m, bus_dma_segment_t *seg)
 {
 #if defined(__i386__) || defined(__amd64__)
@@ -52,14 +52,13 @@ busdma_map_mbuf_fast(struct sge_txq *txq
 #else
 	int nsegstmp;
 
-	bus_dmamap_load_mbuf_sg(txq->entry_tag, map, m, seg,
-		    &nsegstmp, 0);
+	bus_dmamap_load_mbuf_sg(tag, map, m, seg, &nsegstmp, 0);
 #endif
 }
 
-int busdma_map_sg_collapse(struct sge_txq *txq, bus_dmamap_t map,
+int busdma_map_sg_collapse(bus_dma_tag_t tag, bus_dmamap_t map,
     struct mbuf **m, bus_dma_segment_t *segs, int *nsegs);
-void busdma_map_sg_vec(struct sge_txq *txq, bus_dmamap_t map,
+void busdma_map_sg_vec(bus_dma_tag_t tag, bus_dmamap_t map,
     struct mbuf *m, bus_dma_segment_t *segs, int *nsegs);
 static __inline int
 busdma_map_sgl(bus_dma_segment_t *vsegs, bus_dma_segment_t *segs, int count) 

Modified: head/sys/dev/cxgb/sys/uipc_mvec.c
==============================================================================
--- head/sys/dev/cxgb/sys/uipc_mvec.c	Thu Jun 25 20:59:37 2009	(r195005)
+++ head/sys/dev/cxgb/sys/uipc_mvec.c	Thu Jun 25 21:50:15 2009	(r195006)
@@ -59,7 +59,7 @@ __FBSDID("$FreeBSD$");
 #endif
 
 int
-busdma_map_sg_collapse(struct sge_txq *txq, bus_dmamap_t map,
+busdma_map_sg_collapse(bus_dma_tag_t tag, bus_dmamap_t map,
 	struct mbuf **m, bus_dma_segment_t *segs, int *nsegs)
 {
 	struct mbuf *n = *m;
@@ -73,7 +73,7 @@ retry:
 	psegs = segs;
 	seg_count = 0;
 	if (n->m_next == NULL) {
-		busdma_map_mbuf_fast(txq, map, n, segs);
+		busdma_map_mbuf_fast(tag, map, n, segs);
 		*nsegs = 1;
 		return (0);
 	}
@@ -84,14 +84,13 @@ retry:
 		 */
 		if (__predict_true(n->m_len != 0)) {
 			seg_count++;
-			busdma_map_mbuf_fast(txq, map, n, psegs);
+			busdma_map_mbuf_fast(tag, map, n, psegs);
 			psegs++;
 		}
 		n = n->m_next;
 	}
 #else
-	err = bus_dmamap_load_mbuf_sg(txq->entry_tag, map, *m, segs,
-		    &seg_count, 0);
+	err = bus_dmamap_load_mbuf_sg(tag, map, *m, segs, &seg_count, 0);
 #endif	
 	if (seg_count == 0) {
 		if (cxgb_debug)
@@ -122,11 +121,11 @@ err_out:	
 }
 
 void
-busdma_map_sg_vec(struct sge_txq *txq, bus_dmamap_t map,
+busdma_map_sg_vec(bus_dma_tag_t tag, bus_dmamap_t map,
     struct mbuf *m, bus_dma_segment_t *segs, int *nsegs)
 {
 
 	for (*nsegs = 0; m != NULL ; segs++, *nsegs += 1, m = m->m_nextpkt)
-		busdma_map_mbuf_fast(txq, map, m, segs);
+		busdma_map_mbuf_fast(tag, map, m, segs);
 }