diff options
Diffstat (limited to 'drivers/scsi/aic7xxx/aic7xxx_osm.c')
-rw-r--r-- | drivers/scsi/aic7xxx/aic7xxx_osm.c | 23 |
1 files changed, 6 insertions, 17 deletions
diff --git a/drivers/scsi/aic7xxx/aic7xxx_osm.c b/drivers/scsi/aic7xxx/aic7xxx_osm.c index d2c9bf3..8836011 100644 --- a/drivers/scsi/aic7xxx/aic7xxx_osm.c +++ b/drivers/scsi/aic7xxx/aic7xxx_osm.c @@ -812,6 +812,7 @@ struct scsi_host_template aic7xxx_driver_template = { .slave_configure = ahc_linux_slave_configure, .target_alloc = ahc_linux_target_alloc, .target_destroy = ahc_linux_target_destroy, + .use_blk_tags = 1, }; /**************************** Tasklet Handler *********************************/ @@ -1334,13 +1335,9 @@ ahc_platform_set_tags(struct ahc_softc *ahc, struct scsi_device *sdev, } switch ((dev->flags & (AHC_DEV_Q_BASIC|AHC_DEV_Q_TAGGED))) { case AHC_DEV_Q_BASIC: - scsi_set_tag_type(sdev, MSG_SIMPLE_TAG); - scsi_activate_tcq(sdev, dev->openings + dev->active); - break; case AHC_DEV_Q_TAGGED: - scsi_set_tag_type(sdev, MSG_ORDERED_TAG); - scsi_activate_tcq(sdev, dev->openings + dev->active); - break; + scsi_change_queue_depth(sdev, + dev->openings + dev->active); default: /* * We allow the OS to queue 2 untagged transactions to @@ -1348,7 +1345,7 @@ ahc_platform_set_tags(struct ahc_softc *ahc, struct scsi_device *sdev, * serially on the controller/device. This should * remove some latency. */ - scsi_deactivate_tcq(sdev, 2); + scsi_change_queue_depth(sdev, 2); break; } } @@ -1447,7 +1444,7 @@ ahc_linux_run_command(struct ahc_softc *ahc, struct ahc_linux_device *dev, * we are storing a full busy target *lun* * table in SCB space. */ - if (!blk_rq_tagged(cmd->request) + if (!(cmd->flags & SCMD_TAGGED) && (ahc->features & AHC_SCB_BTT) == 0) { int target_offset; @@ -1501,15 +1498,7 @@ ahc_linux_run_command(struct ahc_softc *ahc, struct ahc_linux_device *dev, } if ((dev->flags & (AHC_DEV_Q_TAGGED|AHC_DEV_Q_BASIC)) != 0) { - int msg_bytes; - uint8_t tag_msgs[2]; - - msg_bytes = scsi_populate_tag_msg(cmd, tag_msgs); - if (msg_bytes && tag_msgs[0] != MSG_SIMPLE_TASK) { - hscb->control |= tag_msgs[0]; - if (tag_msgs[0] == MSG_ORDERED_TASK) - dev->commands_since_idle_or_otag = 0; - } else if (dev->commands_since_idle_or_otag == AHC_OTAG_THRESH + if (dev->commands_since_idle_or_otag == AHC_OTAG_THRESH && (dev->flags & AHC_DEV_Q_TAGGED) != 0) { hscb->control |= MSG_ORDERED_TASK; dev->commands_since_idle_or_otag = 0; |