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authorHannes Reinecke <hare@suse.de>2006-01-12 12:05:46 +0100
committerJames Bottomley <jejb@mulgrave.(none)>2006-01-12 12:00:34 -0600
commit66a0683e4620f087e41e79d4d2be6c5a06bb206b (patch)
tree09f5b125da1bda61a582212f6ca1b2265f5b34f5 /drivers/scsi/aic7xxx/aic79xx_inline.h
parent5e46631b04382ef14255467288052f29cb77daeb (diff)
[SCSI] aic79xx: Use struct map_node
Use struct map_node instead of separate variables. Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Diffstat (limited to 'drivers/scsi/aic7xxx/aic79xx_inline.h')
-rw-r--r--drivers/scsi/aic7xxx/aic79xx_inline.h34
1 files changed, 24 insertions, 10 deletions
diff --git a/drivers/scsi/aic7xxx/aic79xx_inline.h b/drivers/scsi/aic7xxx/aic79xx_inline.h
index d80bc5161fb1..2b7ff989f3d1 100644
--- a/drivers/scsi/aic7xxx/aic79xx_inline.h
+++ b/drivers/scsi/aic7xxx/aic79xx_inline.h
@@ -37,7 +37,7 @@
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGES.
*
- * $Id: //depot/aic7xxx/aic7xxx/aic79xx_inline.h#51 $
+ * $Id: //depot/aic7xxx/aic7xxx/aic79xx_inline.h#58 $
*
* $FreeBSD$
*/
@@ -522,12 +522,21 @@ do { \
static __inline uint16_t
ahd_inw(struct ahd_softc *ahd, u_int port)
{
+ /*
+ * Read high byte first as some registers increment
+ * or have other side effects when the low byte is
+ * read.
+ */
return ((ahd_inb(ahd, port+1) << 8) | ahd_inb(ahd, port));
}
static __inline void
ahd_outw(struct ahd_softc *ahd, u_int port, u_int value)
{
+ /*
+ * Write low byte first to accomodate registers
+ * such as PRGMCNT where the order maters.
+ */
ahd_outb(ahd, port, value & 0xFF);
ahd_outb(ahd, port+1, (value >> 8) & 0xFF);
}
@@ -684,7 +693,7 @@ ahd_inb_scbram(struct ahd_softc *ahd, u_int offset)
* Razor #528
*/
value = ahd_inb(ahd, offset);
- if ((ahd->flags & AHD_PCIX_SCBRAM_RD_BUG) != 0)
+ if ((ahd->bugs & AHD_PCIX_SCBRAM_RD_BUG) != 0)
ahd_inb(ahd, MODE_PTR);
return (value);
}
@@ -727,7 +736,8 @@ ahd_lookup_scb(struct ahd_softc *ahd, u_int tag)
static __inline void
ahd_swap_with_next_hscb(struct ahd_softc *ahd, struct scb *scb)
{
- struct hardware_scb *q_hscb;
+ struct hardware_scb *q_hscb;
+ struct map_node *q_hscb_map;
uint32_t saved_hscb_busaddr;
/*
@@ -743,6 +753,7 @@ ahd_swap_with_next_hscb(struct ahd_softc *ahd, struct scb *scb)
* locate the correct SCB by SCB_TAG.
*/
q_hscb = ahd->next_queued_hscb;
+ q_hscb_map = ahd->next_queued_hscb_map;
saved_hscb_busaddr = q_hscb->hscb_busaddr;
memcpy(q_hscb, scb->hscb, sizeof(*scb->hscb));
q_hscb->hscb_busaddr = saved_hscb_busaddr;
@@ -750,7 +761,9 @@ ahd_swap_with_next_hscb(struct ahd_softc *ahd, struct scb *scb)
/* Now swap HSCB pointers. */
ahd->next_queued_hscb = scb->hscb;
+ ahd->next_queued_hscb_map = scb->hscb_map;
scb->hscb = q_hscb;
+ scb->hscb_map = q_hscb_map;
/* Now define the mapping from tag to SCB in the scbindex */
ahd->scb_data.scbindex[SCB_GET_TAG(scb)] = scb;
@@ -824,8 +837,9 @@ static __inline int ahd_intr(struct ahd_softc *ahd);
static __inline void
ahd_sync_qoutfifo(struct ahd_softc *ahd, int op)
{
- ahd_dmamap_sync(ahd, ahd->shared_data_dmat, ahd->shared_data_dmamap,
- /*offset*/0, /*len*/AHC_SCB_MAX * sizeof(uint16_t), op);
+ ahd_dmamap_sync(ahd, ahd->shared_data_dmat, ahd->shared_data_map.dmamap,
+ /*offset*/0,
+ /*len*/AHD_SCB_MAX * sizeof(uint16_t), op);
}
static __inline void
@@ -834,7 +848,7 @@ ahd_sync_tqinfifo(struct ahd_softc *ahd, int op)
#ifdef AHD_TARGET_MODE
if ((ahd->flags & AHD_TARGETROLE) != 0) {
ahd_dmamap_sync(ahd, ahd->shared_data_dmat,
- ahd->shared_data_dmamap,
+ ahd->shared_data_map.dmamap,
ahd_targetcmd_offset(ahd, 0),
sizeof(struct target_cmd) * AHD_TMODE_CMDS,
op);
@@ -854,9 +868,9 @@ ahd_check_cmdcmpltqueues(struct ahd_softc *ahd)
u_int retval;
retval = 0;
- ahd_dmamap_sync(ahd, ahd->shared_data_dmat, ahd->shared_data_dmamap,
- /*offset*/ahd->qoutfifonext, /*len*/2,
- BUS_DMASYNC_POSTREAD);
+ ahd_dmamap_sync(ahd, ahd->shared_data_dmat, ahd->shared_data_map.dmamap,
+ /*offset*/ahd->qoutfifonext * sizeof(*ahd->qoutfifo),
+ /*len*/sizeof(*ahd->qoutfifo), BUS_DMASYNC_POSTREAD);
if ((ahd->qoutfifo[ahd->qoutfifonext]
& QOUTFIFO_ENTRY_VALID_LE) == ahd->qoutfifonext_valid_tag)
retval |= AHD_RUN_QOUTFIFO;
@@ -864,7 +878,7 @@ ahd_check_cmdcmpltqueues(struct ahd_softc *ahd)
if ((ahd->flags & AHD_TARGETROLE) != 0
&& (ahd->flags & AHD_TQINFIFO_BLOCKED) == 0) {
ahd_dmamap_sync(ahd, ahd->shared_data_dmat,
- ahd->shared_data_dmamap,
+ ahd->shared_data_map.dmamap,
ahd_targetcmd_offset(ahd, ahd->tqinfifofnext),
/*len*/sizeof(struct target_cmd),
BUS_DMASYNC_POSTREAD);