diff options
| author | Hannes Reinecke <hare@suse.de> | 2006-03-08 12:59:35 +0100 |
|---|---|---|
| committer | James Bottomley <jejb@mulgrave.il.steeleye.com> | 2006-03-12 16:06:28 +0100 |
| commit | 986a25f96accc8272059ae8b3eb63055f58cadb0 (patch) | |
| tree | 2db6f56e1a1a22556bde60d5bc00caaa4c34ec6a /drivers/scsi/aic7xxx/aic79xx_osm.c | |
| parent | [SCSI] aic79xx: Invalid Sequencer interrupt occured (diff) | |
| download | linux-986a25f96accc8272059ae8b3eb63055f58cadb0.tar.xz linux-986a25f96accc8272059ae8b3eb63055f58cadb0.zip | |
[SCSI] aic79xx: use BIOS settings
This patch fixes the aic79xx driver to properly respond to BIOS
settings.
Signed-off-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Diffstat (limited to 'drivers/scsi/aic7xxx/aic79xx_osm.c')
| -rw-r--r-- | drivers/scsi/aic7xxx/aic79xx_osm.c | 35 |
1 files changed, 28 insertions, 7 deletions
diff --git a/drivers/scsi/aic7xxx/aic79xx_osm.c b/drivers/scsi/aic7xxx/aic79xx_osm.c index 00d48a0fb7e1..0fbd1ec58340 100644 --- a/drivers/scsi/aic7xxx/aic79xx_osm.c +++ b/drivers/scsi/aic7xxx/aic79xx_osm.c @@ -481,6 +481,7 @@ ahd_linux_target_alloc(struct scsi_target *starget) { struct ahd_softc *ahd = *((struct ahd_softc **)dev_to_shost(&starget->dev)->hostdata); + struct seeprom_config *sc = ahd->seep_config; unsigned long flags; struct scsi_target **ahd_targp = ahd_linux_target_in_softc(starget); struct ahd_linux_target *targ = scsi_transport_target_data(starget); @@ -496,18 +497,38 @@ ahd_linux_target_alloc(struct scsi_target *starget) *ahd_targp = starget; memset(targ, 0, sizeof(*targ)); + if (sc) { + int flags = sc->device_flags[starget->id]; + + tinfo = ahd_fetch_transinfo(ahd, 'A', ahd->our_id, + starget->id, &tstate); + + if ((flags & CFPACKETIZED) == 0) { + /* Do not negotiate packetized transfers */ + spi_rd_strm(starget) = 0; + spi_pcomp_en(starget) = 0; + spi_rti(starget) = 0; + spi_wr_flow(starget) = 0; + spi_hold_mcs(starget) = 0; + } else { + if ((ahd->features & AHD_RTI) == 0) + spi_rti(starget) = 0; + } + + if ((flags & CFQAS) == 0) + spi_qas(starget) = 0; + + /* Transinfo values have been set to BIOS settings */ + spi_max_width(starget) = (flags & CFWIDEB) ? 1 : 0; + spi_min_period(starget) = tinfo->user.period; + spi_max_offset(starget) = tinfo->user.offset; + } + tinfo = ahd_fetch_transinfo(ahd, channel, ahd->our_id, starget->id, &tstate); ahd_compile_devinfo(&devinfo, ahd->our_id, starget->id, CAM_LUN_WILDCARD, channel, ROLE_INITIATOR); - spi_min_period(starget) = AHD_SYNCRATE_MAX; /* We can do U320 */ - if ((ahd->bugs & AHD_PACED_NEGTABLE_BUG) != 0) - spi_max_offset(starget) = MAX_OFFSET_PACED_BUG; - else - spi_max_offset(starget) = MAX_OFFSET_PACED; - spi_max_width(starget) = ahd->features & AHD_WIDE; - ahd_set_syncrate(ahd, &devinfo, 0, 0, 0, AHD_TRANS_GOAL, /*paused*/FALSE); ahd_set_width(ahd, &devinfo, MSG_EXT_WDTR_BUS_8_BIT, |