diff options
Diffstat (limited to 'drivers/scsi/aic7xxx/aic79xx_osm.c')
| -rw-r--r-- | drivers/scsi/aic7xxx/aic79xx_osm.c | 45 |
1 files changed, 40 insertions, 5 deletions
diff --git a/drivers/scsi/aic7xxx/aic79xx_osm.c b/drivers/scsi/aic7xxx/aic79xx_osm.c index f8e60486167d..9bfcca5ede08 100644 --- a/drivers/scsi/aic7xxx/aic79xx_osm.c +++ b/drivers/scsi/aic7xxx/aic79xx_osm.c @@ -293,7 +293,7 @@ static uint32_t aic79xx_seltime; * force all outstanding transactions to be serviced prior to a new * transaction. */ -uint32_t aic79xx_periodic_otag; +static uint32_t aic79xx_periodic_otag; /* Some storage boxes are using an LSI chip which has a bug making it * impossible to use aic79xx Rev B chip in 320 speeds. The following @@ -773,6 +773,7 @@ struct scsi_host_template aic79xx_driver_template = { #endif .can_queue = AHD_MAX_QUEUE, .this_id = -1, + .max_sectors = 8192, .cmd_per_lun = 2, .use_clustering = ENABLE_CLUSTERING, .slave_alloc = ahd_linux_slave_alloc, @@ -1813,9 +1814,9 @@ ahd_linux_handle_scsi_status(struct ahd_softc *ahd, u_int sense_offset; if (scb->flags & SCB_SENSE) { - sense_size = MIN(sizeof(struct scsi_sense_data) + sense_size = min(sizeof(struct scsi_sense_data) - ahd_get_sense_residual(scb), - sizeof(cmd->sense_buffer)); + (u_long)sizeof(cmd->sense_buffer)); sense_offset = 0; } else { /* @@ -1824,7 +1825,8 @@ ahd_linux_handle_scsi_status(struct ahd_softc *ahd, */ siu = (struct scsi_status_iu_header *) scb->sense_data; - sense_size = MIN(scsi_4btoul(siu->sense_length), + sense_size = min_t(size_t, + scsi_4btoul(siu->sense_length), sizeof(cmd->sense_buffer)); sense_offset = SIU_SENSE_OFFSET(siu); } @@ -2634,8 +2636,22 @@ static void ahd_linux_set_pcomp_en(struct scsi_target *starget, int pcomp) pcomp ? "Enable" : "Disable"); #endif - if (pcomp) + if (pcomp) { + uint8_t precomp; + + if (ahd->unit < ARRAY_SIZE(aic79xx_iocell_info)) { + struct ahd_linux_iocell_opts *iocell_opts; + + iocell_opts = &aic79xx_iocell_info[ahd->unit]; + precomp = iocell_opts->precomp; + } else { + precomp = AIC79XX_DEFAULT_PRECOMP; + } ppr_options |= MSG_EXT_PPR_PCOMP_EN; + AHD_SET_PRECOMP(ahd, precomp); + } else { + AHD_SET_PRECOMP(ahd, 0); + } ahd_compile_devinfo(&devinfo, shost->this_id, starget->id, 0, starget->channel + 'A', ROLE_INITIATOR); @@ -2678,7 +2694,25 @@ static void ahd_linux_set_hold_mcs(struct scsi_target *starget, int hold) ahd_unlock(ahd, &flags); } +static void ahd_linux_get_signalling(struct Scsi_Host *shost) +{ + struct ahd_softc *ahd = *(struct ahd_softc **)shost->hostdata; + unsigned long flags; + u8 mode; + + ahd_lock(ahd, &flags); + ahd_pause(ahd); + mode = ahd_inb(ahd, SBLKCTL); + ahd_unpause(ahd); + ahd_unlock(ahd, &flags); + if (mode & ENAB40) + spi_signalling(shost) = SPI_SIGNAL_LVD; + else if (mode & ENAB20) + spi_signalling(shost) = SPI_SIGNAL_SE; + else + spi_signalling(shost) = SPI_SIGNAL_UNKNOWN; +} static struct spi_function_template ahd_linux_transport_functions = { .set_offset = ahd_linux_set_offset, @@ -2703,6 +2737,7 @@ static struct spi_function_template ahd_linux_transport_functions = { .show_pcomp_en = 1, .set_hold_mcs = ahd_linux_set_hold_mcs, .show_hold_mcs = 1, + .get_signalling = ahd_linux_get_signalling, }; static int __init |