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negotiation features (DT, ULTRA2, ULTRA, FAST). The offsets where not properly updated when the DT entry was added and so the driver could attempt to negotiate a speed faster than that supported by the target device or even requested by the user via SCSI-Select settings. * o Update the target mode incoming command queue kernel index value ever 128 commands instead of 32. This means that the kernel will always try to keep its index (as seen on the card - the kernel may actually have cleared more space) 128 commands ahead of where the sequencer is adding entries. o Use the HS_MAILBOX register instead of the KERNEL_TQINPOS location in SRAM to indicate the kernel's target queue possition on Ultra2 cards. This avoids the "pause bug" on these cards and also turns out to be much more efficient. o When enabling or disabling a particular target id for target mode, make sure that the taret id in the SCSIID register does not reference an ID that is not to receive target selections. This is only an issue on chips that support the multiple target id feature where the value in SCSIID will still affect selection behavior regardless of the values in the target id bit field registers. o Remove some target mode debugging printfs. o Make sure that the sense length reported in ATIO commands is always zero. This driver does not, yet, report HBA generated sense information for accepted commands. o Honor the CAM_TIME_INFINITY and CAM_TIME_DEFAULT values for the CCB timeout field. o Make the driver compile with AHC_DEBUG again. * Noticed by: Andrew Gallatin<gallatin@cs.duke.edu> |
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