diff options
| -rw-r--r-- | drivers/scsi/aic7xxx/aic79xx_osm.c | 10 | ||||
| -rw-r--r-- | drivers/scsi/scsi_transport_spi.c | 18 | ||||
| -rw-r--r-- | include/scsi/scsi_transport_spi.h | 4 |
3 files changed, 21 insertions, 11 deletions
diff --git a/drivers/scsi/aic7xxx/aic79xx_osm.c b/drivers/scsi/aic7xxx/aic79xx_osm.c index 0f829b3b8ab7..75b23317bd26 100644 --- a/drivers/scsi/aic7xxx/aic79xx_osm.c +++ b/drivers/scsi/aic7xxx/aic79xx_osm.c @@ -627,19 +627,15 @@ ahd_linux_target_alloc(struct scsi_target *starget) 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; + /* don't negotiate packetized (IU) transfers */ + spi_max_iu(starget) = 0; } else { if ((ahd->features & AHD_RTI) == 0) spi_rti(starget) = 0; } if ((flags & CFQAS) == 0) - spi_qas(starget) = 0; + spi_max_qas(starget) = 0; /* Transinfo values have been set to BIOS settings */ spi_max_width(starget) = (flags & CFWIDEB) ? 1 : 0; diff --git a/drivers/scsi/scsi_transport_spi.c b/drivers/scsi/scsi_transport_spi.c index f49f55c6bfc8..654a34fb04cb 100644 --- a/drivers/scsi/scsi_transport_spi.c +++ b/drivers/scsi/scsi_transport_spi.c @@ -234,8 +234,10 @@ static int spi_setup_transport_attrs(struct transport_container *tc, spi_width(starget) = 0; /* narrow */ spi_max_width(starget) = 1; spi_iu(starget) = 0; /* no IU */ + spi_max_iu(starget) = 1; spi_dt(starget) = 0; /* ST */ spi_qas(starget) = 0; + spi_max_qas(starget) = 1; spi_wr_flow(starget) = 0; spi_rd_strm(starget) = 0; spi_rti(starget) = 0; @@ -360,9 +362,9 @@ static DEVICE_ATTR(field, S_IRUGO, \ /* The Parallel SCSI Tranport Attributes: */ spi_transport_max_attr(offset, "%d\n"); spi_transport_max_attr(width, "%d\n"); -spi_transport_rd_attr(iu, "%d\n"); +spi_transport_max_attr(iu, "%d\n"); spi_transport_rd_attr(dt, "%d\n"); -spi_transport_rd_attr(qas, "%d\n"); +spi_transport_max_attr(qas, "%d\n"); spi_transport_rd_attr(wr_flow, "%d\n"); spi_transport_rd_attr(rd_strm, "%d\n"); spi_transport_rd_attr(rti, "%d\n"); @@ -874,13 +876,13 @@ spi_dv_device_internal(struct scsi_device *sdev, u8 *buffer) /* try QAS requests; this should be harmless to set if the * target supports it */ - if (scsi_device_qas(sdev)) { + if (scsi_device_qas(sdev) && spi_max_qas(starget)) { DV_SET(qas, 1); } else { DV_SET(qas, 0); } - if (scsi_device_ius(sdev) && min_period < 9) { + if (scsi_device_ius(sdev) && spi_max_iu(starget) && min_period < 9) { /* This u320 (or u640). Set IU transfers */ DV_SET(iu, 1); /* Then set the optional parameters */ @@ -1412,12 +1414,18 @@ static mode_t target_attribute_is_visible(struct kobject *kobj, else if (attr == &dev_attr_iu.attr && spi_support_ius(starget)) return TARGET_ATTRIBUTE_HELPER(iu); + else if (attr == &dev_attr_max_iu.attr && + spi_support_ius(starget)) + return TARGET_ATTRIBUTE_HELPER(iu); else if (attr == &dev_attr_dt.attr && spi_support_dt(starget)) return TARGET_ATTRIBUTE_HELPER(dt); else if (attr == &dev_attr_qas.attr && spi_support_qas(starget)) return TARGET_ATTRIBUTE_HELPER(qas); + else if (attr == &dev_attr_max_qas.attr && + spi_support_qas(starget)) + return TARGET_ATTRIBUTE_HELPER(qas); else if (attr == &dev_attr_wr_flow.attr && spi_support_ius(starget)) return TARGET_ATTRIBUTE_HELPER(wr_flow); @@ -1447,8 +1455,10 @@ static struct attribute *target_attributes[] = { &dev_attr_width.attr, &dev_attr_max_width.attr, &dev_attr_iu.attr, + &dev_attr_max_iu.attr, &dev_attr_dt.attr, &dev_attr_qas.attr, + &dev_attr_max_qas.attr, &dev_attr_wr_flow.attr, &dev_attr_rd_strm.attr, &dev_attr_rti.attr, diff --git a/include/scsi/scsi_transport_spi.h b/include/scsi/scsi_transport_spi.h index 286e9628ed8b..7497a383b1a4 100644 --- a/include/scsi/scsi_transport_spi.h +++ b/include/scsi/scsi_transport_spi.h @@ -36,8 +36,10 @@ struct spi_transport_attrs { unsigned int width:1; /* 0 - narrow, 1 - wide */ unsigned int max_width:1; unsigned int iu:1; /* Information Units enabled */ + unsigned int max_iu:1; unsigned int dt:1; /* DT clocking enabled */ unsigned int qas:1; /* Quick Arbitration and Selection enabled */ + unsigned int max_qas:1; unsigned int wr_flow:1; /* Write Flow control enabled */ unsigned int rd_strm:1; /* Read streaming enabled */ unsigned int rti:1; /* Retain Training Information */ @@ -77,8 +79,10 @@ struct spi_host_attrs { #define spi_width(x) (((struct spi_transport_attrs *)&(x)->starget_data)->width) #define spi_max_width(x) (((struct spi_transport_attrs *)&(x)->starget_data)->max_width) #define spi_iu(x) (((struct spi_transport_attrs *)&(x)->starget_data)->iu) +#define spi_max_iu(x) (((struct spi_transport_attrs *)&(x)->starget_data)->max_iu) #define spi_dt(x) (((struct spi_transport_attrs *)&(x)->starget_data)->dt) #define spi_qas(x) (((struct spi_transport_attrs *)&(x)->starget_data)->qas) +#define spi_max_qas(x) (((struct spi_transport_attrs *)&(x)->starget_data)->max_qas) #define spi_wr_flow(x) (((struct spi_transport_attrs *)&(x)->starget_data)->wr_flow) #define spi_rd_strm(x) (((struct spi_transport_attrs *)&(x)->starget_data)->rd_strm) #define spi_rti(x) (((struct spi_transport_attrs *)&(x)->starget_data)->rti) |