Author: sephe
Date: Mon May 23 06:52:42 2016
New Revision: 300479
URL: https://svnweb.freebsd.org/changeset/base/300479

Log:
  hyperv/hn: Use hyperv busdma(9) helper.
  
  MFC after:    1 week
  Sponsored by: Microsoft OSTC
  Differential Revision:        https://reviews.freebsd.org/D6444

Modified:
  head/sys/dev/hyperv/netvsc/hv_netvsc_drv_freebsd.c

Modified: head/sys/dev/hyperv/netvsc/hv_netvsc_drv_freebsd.c
==============================================================================
--- head/sys/dev/hyperv/netvsc/hv_netvsc_drv_freebsd.c  Mon May 23 06:35:11 
2016        (r300478)
+++ head/sys/dev/hyperv/netvsc/hv_netvsc_drv_freebsd.c  Mon May 23 06:52:42 
2016        (r300479)
@@ -113,6 +113,7 @@ __FBSDID("$FreeBSD$");
 #include <machine/in_cksum.h>
 
 #include <dev/hyperv/include/hyperv.h>
+#include <dev/hyperv/include/hyperv_busdma.h>
 #include "hv_net_vsc.h"
 #include "hv_rndis.h"
 #include "hv_rndis_filter.h"
@@ -2171,18 +2172,6 @@ hn_check_iplen(const struct mbuf *m, int
 }
 
 static void
-hn_dma_map_paddr(void *arg, bus_dma_segment_t *segs, int nseg, int error)
-{
-       bus_addr_t *paddr = arg;
-
-       if (error)
-               return;
-
-       KASSERT(nseg == 1, ("too many segments %d!", nseg));
-       *paddr = segs->ds_addr;
-}
-
-static void
 hn_create_rx_data(struct hn_softc *sc, int ring_cnt)
 {
        struct sysctl_oid_list *child;
@@ -2472,7 +2461,7 @@ hn_create_tx_ring(struct hn_softc *sc, i
                error = bus_dmamap_load(txr->hn_tx_rndis_dtag,
                    txd->rndis_msg_dmap,
                    txd->rndis_msg, HN_RNDIS_MSG_LEN,
-                   hn_dma_map_paddr, &txd->rndis_msg_paddr,
+                   hyperv_dma_map_paddr, &txd->rndis_msg_paddr,
                    BUS_DMA_NOWAIT);
                if (error) {
                        device_printf(sc->hn_dev,
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