Author: marius
Date: Sat Mar 12 20:36:52 2011
New Revision: 219577
URL: http://svn.freebsd.org/changeset/base/219577
Log:
Allocate the DMA memory shared between the host and the controller as
coherent.
Approved by: gibbs
MFC after: 2 weeks
Modified:
head/sys/dev/aic7xxx/aic79xx.c
head/sys/dev/aic7xxx/aic7xxx.c
Modified: head/sys/dev/aic7xxx/aic79xx.c
==============================================================================
--- head/sys/dev/aic7xxx/aic79xx.c Sat Mar 12 19:37:35 2011
(r219576)
+++ head/sys/dev/aic7xxx/aic79xx.c Sat Mar 12 20:36:52 2011
(r219577)
@@ -6099,7 +6099,8 @@ ahd_alloc_scbs(struct ahd_softc *ahd)
/* Allocate the next batch of hardware SCBs */
if (aic_dmamem_alloc(ahd, scb_data->hscb_dmat,
(void **)&hscb_map->vaddr,
- BUS_DMA_NOWAIT, &hscb_map->dmamap) != 0) {
+ BUS_DMA_NOWAIT | BUS_DMA_COHERENT,
+ &hscb_map->dmamap) != 0) {
free(hscb_map, M_DEVBUF);
return (0);
}
@@ -6132,7 +6133,8 @@ ahd_alloc_scbs(struct ahd_softc *ahd)
/* Allocate the next batch of S/G lists */
if (aic_dmamem_alloc(ahd, scb_data->sg_dmat,
(void **)&sg_map->vaddr,
- BUS_DMA_NOWAIT, &sg_map->dmamap) != 0) {
+ BUS_DMA_NOWAIT | BUS_DMA_COHERENT,
+ &sg_map->dmamap) != 0) {
free(sg_map, M_DEVBUF);
return (0);
}
@@ -6397,7 +6399,7 @@ ahd_init(struct ahd_softc *ahd)
/* Allocation of driver data */
if (aic_dmamem_alloc(ahd, ahd->shared_data_dmat,
(void **)&ahd->shared_data_map.vaddr,
- BUS_DMA_NOWAIT,
+ BUS_DMA_NOWAIT | BUS_DMA_COHERENT,
&ahd->shared_data_map.dmamap) != 0) {
return (ENOMEM);
}
Modified: head/sys/dev/aic7xxx/aic7xxx.c
==============================================================================
--- head/sys/dev/aic7xxx/aic7xxx.c Sat Mar 12 19:37:35 2011
(r219576)
+++ head/sys/dev/aic7xxx/aic7xxx.c Sat Mar 12 20:36:52 2011
(r219577)
@@ -4381,7 +4381,8 @@ ahc_init_scbdata(struct ahc_softc *ahc)
/* Allocation for our hscbs */
if (aic_dmamem_alloc(ahc, scb_data->hscb_dmat,
(void **)&scb_data->hscbs,
- BUS_DMA_NOWAIT, &scb_data->hscb_dmamap) != 0) {
+ BUS_DMA_NOWAIT | BUS_DMA_COHERENT,
+ &scb_data->hscb_dmamap) != 0) {
goto error_exit;
}
@@ -4549,7 +4550,8 @@ ahc_alloc_scbs(struct ahc_softc *ahc)
/* Allocate S/G space for the next batch of SCBS */
if (aic_dmamem_alloc(ahc, scb_data->sg_dmat,
(void **)&sg_map->sg_vaddr,
- BUS_DMA_NOWAIT, &sg_map->sg_dmamap) != 0) {
+ BUS_DMA_NOWAIT | BUS_DMA_COHERENT,
+ &sg_map->sg_dmamap) != 0) {
free(sg_map, M_DEVBUF);
return (0);
}
@@ -4941,7 +4943,8 @@ ahc_init(struct ahc_softc *ahc)
/* Allocation of driver data */
if (aic_dmamem_alloc(ahc, ahc->shared_data_dmat,
(void **)&ahc->qoutfifo,
- BUS_DMA_NOWAIT, &ahc->shared_data_dmamap) != 0) {
+ BUS_DMA_NOWAIT | BUS_DMA_COHERENT,
+ &ahc->shared_data_dmamap) != 0) {
return (ENOMEM);
}
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