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* libata: add support for READ/WRITE LONGMark Lord2007-04-28
| | | | | | | | | | | | | | | | | | The READ/WRITE LONG commands are theoretically obsolete, but the majority of drives in existance still implement them. The WRITE_LONG and WRITE_LONG_ONCE commands are of particular interest for fault injection testing -- eg. creating "media errors" at specific locations on a disk. The fussy bit is that these commands require a non-standard sector size, usually 520 bytes instead of 512. This patch adds support to libata for READ/WRITE LONG commands issued via SG_IO/ATA_16. Signed-off-by: Mark Lord <mlord@pobox.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* Add notation that the Asus W5F laptop has a short cable instead of 80-wire.Robin H\. Johnson2007-04-28
| | | | | | | | | | The Asus W5F laptop uses a short cable instead of the 80-wire style, and thus needs to be in the ich_laptop special cases for correct detection and support of UDMA/100 for the hard drive. I noticed this because I have the W5F laptop, and was tracing apparent slowness. Signed-off-by: Robin H. Johnson <robbat2@gentoo.org> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* pata_optidma: rework for cable detect and to remove post_set_mode()Alan Cox2007-04-28
| | | | | | | | | | A lot of noise because I had to rename the optidma_set_mode() method to avoid confusion with the new ->set_mode() method that was added. Cable detect side is pretty trivial. Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* pata_winbond: restore cable methodAlan Cox2007-04-28
| | | | | | Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* pata_sl82c105: restore cable detect methodAlan Cox2007-04-28
| | | | | | Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* pata_netcell: re-remove all the crudAlan Cox2007-04-28
| | | | | | Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* pata_qdI: restore cable detectAlan Cox2007-04-28
| | | | | | Signed-off-by: Alan Cox <number6@the-village.bc.nu> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* pata_ali: remove all the crap again and switch to cable_detect methodAlan Cox2007-04-28
| | | | | | Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* sata_nv: don't read shadow registers when in ADMA modeRobert Hancock2007-04-28
| | | | | | | | | | | | | | | Reading from the ATA shadow registers while we are in ADMA mode may cause undefined behavior. Don't read the ATA status register when completing commands for this reason, it shouldn't be needed as the controller will notify us if the command failed. Also, don't allow commands with result taskfile requested to execute in ADMA mode, since that requires accessing the shadow registers. We also still need to override tf_read since libata will read the result taskfile on a command failure, and we need to go into port register mode before allowing this. Signed-off-by: Robert Hancock <hancockr@shaw.ca> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* pcmcia - spot slave decode flaws (for testing)Alan2007-04-28
| | | | | | | | | | | | | | | | It tries to spot when the slave is a mirror of the master and to fix up problems that causes. I've got two confirmations so far that this plus the "can fail set_xfer" patch work for folks who had problems before. Also if you are unfortunate enough to be running something like HAL then it'll automount the same disk twice for you and corrupt it without the fix (aint that nice...) Tested (successfully) by Komuro <komurojun-mbn@nifty.com>. Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* git-libata-all-ipr-fixAndrew Morton2007-04-28
| | | | | | | | | | drivers/scsi/ipr.c: In function '__ipr_eh_dev_reset': drivers/scsi/ipr.c:3865: warning: passing argument 4 of 'ata_do_eh' from incompatible pointer type Cc: Tejun Heo <htejun@gmail.com> Cc: Jeff Garzik <jeff@garzik.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* libata: hardreset on SERR_INTERNALTejun Heo2007-04-28
| | | | | | | | | | | There was a rare report where SB600 reported SERR_INTERNAL and SRST couldn't get it out of the failure mode. Hardreset on SERR_INTERNAL. As the problem is intermittent, whether this fixes the problem or not hasn't been verified yet, but hardresetting the channel on internal error is a good idea anyway. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* sata_promise: decode and report error reasonsMikael Pettersson2007-04-28
| | | | | | | | | This patch adds much needed error reason decoding and reporting to sata_promise. It's simplistic but should log all relevant error info the controller provides. Signed-off-by: Mikael Pettersson <mikpe@it.uu.se> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* sata_promise: separate SATA and PATA opsMikael Pettersson2007-04-28
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch changes sata_promise so that the PATA ports on TX2plus chips are bound to the pdc_pata_ops structure. This means that operations called from the SATA ops structures don't need any SATA-vs-PATA tests any more. Instead, operations that depend on a port being SATA or PATA are separated into different procedures. * pdc_cable_type() is split into a PATA version and a SATA version * pdc_error_handler() is split into a PATA version and a SATA version, that both call a common version after setting up the `hardreset' function pointer * pdc_old_check_atapi_dma() is now only used for SATAI ports, so is renamed to pdc_old_sata_check_atapi_dma() and simplified * pdc_sata_scr_{read,write}() are now only used for SATA ports, so their is-not-SATA tests are removed * pdc_port_start() is split into three procedures: a wrapper which performs the ->ops adjustment on TX2plus PATA ports, a procedure with the common code, and a procedure with the SATA-specific code (this bit might be cleaned up by Tejun's new init model) Tested on 20619, 20575, and 20775 chips. Signed-off-by: Mikael Pettersson <mikpe@it.uu.se> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* sata_promise: add missing cable_detect hooksMikael Pettersson2007-04-28
| | | | | | | | | | The recent change which moved cable detection from pdc_pre_reset() to the new ->cable_detect hook only added the hook for SATAII chips, leaving SATAI chips and the 20619 without the hook. Fixed by this patch. Signed-off-by: Mikael Pettersson <mikpe@it.uu.se> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* libata/IDE: remove combined mode quirkJeff Garzik2007-04-28
| | | | | | | | | | | | | | | | | | | | | Both old-IDE and libata should be able handle all controllers and devices found using normal resource reservation methods. This eliminates the awful, low-performing split-driver configuration where old-IDE drove the PATA portion of a PCI device, in PIO-only mode, and libata drove the SATA portion of the /same/ PCI device, in DMA mode. Typically vendors would ship SATA hard drive / PATA optical configuration, which would lend itself to slow (PIO-only) CD-ROM performance. For Intel users running in combined mode, it is now wholly dependent on your driver choice (potentially link order, if you compile both drivers in) whether old-IDE or libata will drive your hardware. In either case, you will get full performance from both SATA and PATA ports now, without having to pass a kernel command line parameter. Signed-off-by: Jeff Garzik <jeff@garzik.org>
* [libata] turn on !IORDY filterJeff Garzik2007-04-28
| | | | | | | | | The previous commit erroneously noted that the !IORDY filter was turned on. No true, that change was split out into this commit. Originally authored and signed-off-by Alan Cox. Signed-off-by: Jeff Garzik <jeff@garzik.org>
* [libata] sata_mv: support ->cable_detectJeff Garzik2007-04-28
| | | | Signed-off-by: Jeff Garzik <jeff@garzik.org>
* libata: Change prototype of mode_filter to remove ata_port*Alan Cox2007-04-28
| | | | | | | | | | | With Tejun having added adev->ap some time ago we can get rid of the almost unused port being passed to mode filters. And while we are doing filters, lets turn on the !IORDY filter as well. Signed-off-by: Alan Cox <alan@redhat.com> With some hand massaging from Signed-off-by: Jeff Garzik <jeff@garzik.org>
* sata_sil: First step to removing ->post_set_modeAlan Cox2007-04-28
| | | | | | | | | | | | Now that we have ata_do_set_mode() available for drivers to use we don't actually need ->post_set_mode() as the driver can wrap set_mode nicely and do stuff before or after (eg PCMCIA needs before), so we can kill off a method in all the structs While I was at it I added kernel-doc to the function involved. Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* libata-core: Fix the iordy methodsAlan Cox2007-04-28
| | | | | | | | | This alone isn't sufficient to save the universe from prehistoric disks and controllers but it is a first important step. Split off a separate function to provide a mode filter when controller iordy is not available. Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* pata: expose set_mode method so it can be wrappedAlan2007-04-28
| | | | | | | | | | | | This splits set_mode into do_set_mode and the wrapper so that a driver can call the standard method inside its own. This in theory also obsoletes ->post_set_mode(). Signed-off-by: Alan Cox <alan@redhat.com> Cc: Jeff Garzik <jeff@garzik.org> Cc: Tejun Heo <htejun@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* pata_hpt37x: Updates from drivers/ide workAlan Cox2007-04-28
| | | | | | | | | | Drag pata_hpt37x kicking and screaming in the direction of drivers/ide/pci/hpt366.c and all the work that Sergei has been doing there. Plenty left to be done but this is a good snapshot for folks to work on and to review Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* [libata] More PATA driver ->cable_detect supportJeff Garzik2007-04-28
| | | | | | | Roll-up of ->cable_detect feature addition patches, authored and signed-off-by Alan Cox. Signed-off-by: Jeff Garzik <jeff@garzik.org>
* pata_hpt366: support ->cable_detectAlan Cox2007-04-28
| | | | | Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* pata_efar: support ->cable_detectAlan Cox2007-04-28
| | | | | Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* pata_atiixp: support ->cable_detectAlan Cox2007-04-28
| | | | | Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* pata_radisys: support cable_detectAlan Cox2007-04-28
| | | | | Signed-off-by: Alan Cox <number6@the-village.bc.nu> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* pata_sc1200: restore cable typeAlan Cox2007-04-28
| | | | | Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* pata_rz1000: support cable_detectAlan Cox2007-04-28
| | | | | Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* pata_platform: Add cable_detect methodAlan Cox2007-04-28
| | | | | Signed-off-by: Alan Cox <number6@the-village.bc.nu> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* sata_promise: Switch to cable method, clean up some bits as a resultAlan Cox2007-04-28
| | | | | Signed-off-by: Alan Cox <number6@the-village.bc.nu> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* libata-core: fix comments on cable typeAlan Cox2007-04-28
| | | | | Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* libata: Restore Kconfig updated experimental levels and correctAlan Cox2007-04-28
| | | | | Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* pata_cmd640: Multiple updatesAlan Cox2007-04-28
| | | | | | | | | | Fix suspend/resume support Write 0x5B to 0 not 0x5C The former is important as we must kill the FIFO on a resume Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* pata_via: Use cable_detect methodAlan Cox2007-04-28
| | | | | | | | We end up shifting a few bits of logic around in this driver but the basic change is the same. Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* pata_sis: Clean up using cable_detect methodsAlan Cox2007-04-28
| | | | | | | | | | | | | | | This changeset revolves around the fact that all the SiS controllers have the same enable bits, but differing cable detection methods. Previously that meant each type had its own error_handler methods. Instead we can now implement different ->cable_detect methods and share a single error_handler which does the filtering by enable bits. In addition we had some auto const arrays that should be static const. I'm not sure if gcc already treats them intelligently but adding the static will make sure. Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* pata_marvell: Cable and reset fixesAlan Cox2007-04-28
| | | | | | | | | There are two changes here. Firstly we switch to a cable detect method, secondly the old code forgot to call ata_std_prereset() but somehow managed to work anyway. Fix the missing call. Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* pata_it8213: Cable detectAlan Cox2007-04-28
| | | | | | | Another not-quite PIIX, another cable type conversion Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* [libata] Update several PATA drivers for new ->cable_detect hookJeff Garzik2007-04-28
| | | | | | | All patches authored and signed-off-by Alan Cox, sent on Mar 7, 2007. I merely combined them all into a single patch. Signed-off-by: Jeff Garzik <jeff@garzik.org>
* Support for Marvell 7042 ChipMorrison, Tom2007-04-28
| | | | | | | | | Added Support for Marvell 7042 Chip - 7042 has same capabilities & behavior as 6042. Signed-off-by: Thomas A. Morrison <tmorrison@empirix.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* pata_cmd640: CMD640 PCI supportAlan Cox2007-04-28
| | | | | | | | Support for the PCI CMD640 (not VLB) Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* libata: cable detection fixesAlan Cox2007-04-28
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 2.6.21-rc has horrible problems with libata and PATA cable types (and thus speeds). This occurs because Tejun fixed a pile of other bugs and we now do cable detect enforcement for drive side detection properly. Unfortunately we don't do the process around cable detection right. Tejun identified the problem and pointed to the right Annex in the spec, this patch implements the rest of the needed changes. We add a ->cable_detect() method called after the identify sequence which allows a host to do host side detection at this point should it wish, or to modify the results of the drive side identify. This separate ->cable_detect method also cleans up a lot of code because many drivers have their own error_handler methods which really just set the cable type. If there is no ->cable_detect method the cable type is left alone so a driver setting it earlier (eg because it has the SATA flags set or because it uses the old error_handler approach) will still do the right thing (or at least the same thing) as before. This patch simply adds the cable_detect method and helpers it doesn't use them but other follow up patches will (ie Adrian please don't submit patches to unexport them ;)) Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* libata: handle ata_pci_device_do_resume() failure while resumingDmitriy Monakhov2007-04-28
| | | | | | | | | | Since commit:553c4aa630af7bc885e056d0436e4eb7f238579b ata_pci_device_do_resume() can return error code, all callers was updated except this one. Signed-off-by: Monakhov Dmitriy <dmonakhov@openvz.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* libata: warn if speed limited due to 40-wire cableRobert Hancock2007-04-28
| | | | | | | | | | | Warn the user if a drive's transfer rate is limited because of a 40-wire cable detection. Signed-off-by: Robert Hancock <hancockr@shaw.ca> Cc: Jeff Garzik <jeff@garzik.org> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* RESEND: libata: check cdb len per dev instead of per hostMark Lord2007-04-28
| | | | | | | | | | | | Resending, with s/printk/DPRINTK/ as pointed out by Alan. Fix libata to perform CDB len validation per device rather than per host. This way, validation still works when we have a mix of 12-byte and 16-byte devices on a common host interface. Signed-off-by: Mark Lord <mlord@pobox.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* libata: dev_config does not need ap and adev passingAlan2007-04-28
| | | | | | | | | | It used to be impossible to get from ata_device to ata_port but that is no longer true. Various methods have been cleaned up over time but dev_config still takes both and most users don't need both anyway. Tidy this one up Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* [libata] sata_mv: clean up DMA boundary issues, turn on 64-bit DMAJeff Garzik2007-04-28
| | | | | | | | | | | | | | | The chips covered by sata_mv have a 32-bit DMA boundary they must not cross, not a 64K boundary. We are merely limited to a 64K maximum segment size. Therefore, the DMA scatter/gather table fill code can be greatly simplified, and we need not cut in half the S/G table size as reported to the SCSI layer. Also, the driver forget to turn on 64-bit DMA at the PCI layer. All other data structures (both hardware and software) have been prepped for 64-bit PCI DMA. It was simply never turned on. <fingers crossed> let's see if it still works... Signed-off-by: Jeff Garzik <jeff@garzik.org>
* [libata] export sata_print_link_status()Jeff Garzik2007-04-28
| | | | | | | To be used in sata_mv's exception handling code, and overall is a generally useful function. Signed-off-by: Jeff Garzik <jeff@garzik.org>
* [libata] sata_mv: remove extra bracesJeff Garzik2007-04-28
| | | | Signed-off-by: Jeff Garzik <jeff@garzik.org>
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