diff options
Diffstat (limited to 'drivers/scsi/aic7xxx/aic79xx_inline.h')
| -rw-r--r-- | drivers/scsi/aic7xxx/aic79xx_inline.h | 38 |
1 files changed, 26 insertions, 12 deletions
diff --git a/drivers/scsi/aic7xxx/aic79xx_inline.h b/drivers/scsi/aic7xxx/aic79xx_inline.h index d80bc5161fb14..91c4f7f484b12 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(struct ahd_completion), 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); @@ -854,17 +868,17 @@ 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); - if ((ahd->qoutfifo[ahd->qoutfifonext] - & QOUTFIFO_ENTRY_VALID_LE) == ahd->qoutfifonext_valid_tag) + 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].valid_tag + == ahd->qoutfifonext_valid_tag) retval |= AHD_RUN_QOUTFIFO; #ifdef AHD_TARGET_MODE 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); |