SIL_DEV_CONFIG(9) sata_sil Internals SIL_DEV_CONFIG(9)NAME
sil_dev_config - Apply device/host-specific errata fixups
SYNOPSIS
void sil_dev_config(struct ata_device * dev);
ARGUMENTS
dev
Device to be examined
DESCRIPTION
After the IDENTIFY [PACKET] DEVICE step is complete, and a device is known to be present, this function is called. We apply two errata
fixups which are specific to Silicon Image, a Seagate and a Maxtor fixup.
For certain Seagate devices, we must limit the maximum sectors to under 8K.
For certain Maxtor devices, we must not program the drive beyond udma5.
Both fixups are unfairly pessimistic. As soon as I get more information on these errata, I will create a more exhaustive list, and apply
the fixups to only the specific devices/hosts/firmwares that need it.
20040111 - Seagate drives affected by the Mod15Write bug are blacklisted The Maxtor quirk is in the blacklist, but I'm keeping the original
pessimistic fix for the following reasons... - There seems to be less info on it, only one device gleaned off the Windows driver, maybe
only one is affected. More info would be greatly appreciated. - But then again UDMA5 is hardly anything to complain about
AUTHOR
Jeff Garzik
Author.
COPYRIGHT Kernel Hackers Manual 3.10 June 2014 SIL_DEV_CONFIG(9)
Check Out this Related Man Page
Image::ExifTool::Fixup(3) User Contributed Perl Documentation Image::ExifTool::Fixup(3)NAME
Image::ExifTool::Fixup - Utility to handle pointer fixups
SYNOPSIS
use Image::ExifTool::Fixup;
$fixup = new Image::ExifTool::Fixup;
# add a new fixup to a pointer at the specified offset in data
$fixup->AddFixup($offset);
# add a new Fixup object to the tree
$fixup->AddFixup($subFixup);
$fixup->{Start} += $shift1; # shift pointer offsets and values
$fixup->{Shift} += $shift2; # shift pointer values only
# recursively apply fixups to the specified data
$fixup->ApplyFixups($data);
$fixup->Dump(); # dump debugging information
DESCRIPTION
This module contains the code to keep track of pointers in memory and to shift these pointers as required. It is used by ExifTool to
maintain the pointers in image file directories (IFD's).
NOTES
Keeps track of pointers with different byte ordering, and relies on Image::ExifTool::GetByteOrder() to determine the current byte ordering
when adding new pointers to a fixup.
Maintains a hierarchical list of fixups so that the whole hierarchy can be shifted by a simple shift at the base. Hierarchy is collapsed
to a linear list when ApplyFixups() is called.
AUTHOR
Copyright 2003-2010, Phil Harvey (phil at owl.phy.queensu.ca)
This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself.
SEE ALSO Image::ExifTool(3pm)perl v5.12.1 2010-01-04 Image::ExifTool::Fixup(3)
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