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freebsd-dev/sys/dev/ata
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Alexander Motin c7dd7de64d According to ATA specifications, when ATAPI master is the only device, it 
should respond with all zeroes to any access to slave registers. Test with
PATA devices confirmed such behavior. Unluckily, Intel SATA controllers in
legacy emulation mode behave differently, not making any difference between
ATA and ATAPI devices. It causes false positive slave device detection and,
as result, command timeouts.

To workaround this problem, mask result of legacy-emulated soft-reset with
the device presence information received from the SATA-specific registers.
2011-04-21 20:56:34 +00:00
..
chipsets According to ATA specifications, when ATAPI master is the only device, it 2011-04-21 20:56:34 +00:00
ata_if.m Make ata_getrev() an optional method by implementing ata_null_getrev(). 2010-01-20 14:29:55 +00:00
ata-all.c Use periodic status polling added at r214671 only in ATA_CAM mode. Legacy 2011-04-21 09:02:19 +00:00
ata-all.h Implement automatic SCSI sense fetching for ata(4) in ATA_CAM mode. 2011-04-12 09:55:24 +00:00
ata-card.c Minor formatting nits. 2010-07-04 05:58:17 +00:00
ata-cbus.c Add type specific suspend/resume ata channel functions. Add checks to avoid 2009-03-09 20:48:57 +00:00
ata-disk.c Add the disk ident and a human-meaningful description (here, the disk model 2011-02-26 14:58:54 +00:00
ata-disk.h Add experimental support for SATA Port Multipliers 2008-04-10 13:05:05 +00:00
ata-dma.c - Allocate the DMA memory used for the work area as coherent as at least 2011-03-06 12:54:00 +00:00
ata-isa.c Add type specific suspend/resume ata channel functions. Add checks to avoid 2009-03-09 20:48:57 +00:00
ata-lowlevel.c Make PATA-like soft-reset in ata(4) more strict in checking disk signature. 2011-04-21 07:26:14 +00:00
ata-pci.c Set of legacy mode SATA enchancements: 2010-10-18 11:30:13 +00:00
ata-pci.h - Fix mapping of the last two SATA ports on 6-port Intel controllers. 2011-04-21 11:44:16 +00:00
ata-queue.c Mark ATA channel as idle on timeout in non-ATA_CAM mode. 2010-04-26 11:58:15 +00:00
ata-raid-ddf.h Add basic support for DDF, often found on Adaptec HostRAID controllers. 2009-02-20 06:10:12 +00:00
ata-raid.c Use last 16 bytes of serial number in metadata instead of first ones, 2010-03-26 10:18:19 +00:00
ata-raid.h Add basic support for DDF, often found on Adaptec HostRAID controllers. 2009-02-20 06:10:12 +00:00
ata-sata.c Even if we are skipping SATA hard reset - set power management bits in 2010-11-18 11:58:17 +00:00
atapi-cam.c Fix possible use after free. 2010-06-05 08:58:03 +00:00
atapi-cd.c Specify the capability and media bits of the capabilities page in 2009-12-13 18:26:19 +00:00
atapi-cd.h Specify the capability and media bits of the capabilities page in 2009-12-13 18:26:19 +00:00
atapi-fd.c MFp4: 2009-12-06 00:10:13 +00:00
atapi-fd.h Add experimental support for SATA Port Multipliers 2008-04-10 13:05:05 +00:00
atapi-tape.c MFp4: 2009-12-06 00:10:13 +00:00
atapi-tape.h Add experimental support for SATA Port Multipliers 2008-04-10 13:05:05 +00:00